SEC Info  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Exelon Corp., et al. – ‘10-Q’ for 9/30/22 – ‘EX-101.PRE’

On:  Thursday, 11/3/22, at 5:06pm ET   ·   For:  9/30/22   ·   Accession #:  1109357-22-113   ·   File #s:  0-16844, 1-01072, 1-01405, 1-01839, 1-01910, 1-03559, 1-16169, 1-31403

Previous ‘10-Q’:  ‘10-Q’ on 8/3/22 for 6/30/22   ·   Next:  ‘10-Q’ on 5/3/23 for 3/31/23   ·   Latest:  ‘10-Q’ on 5/2/24 for 3/31/24   ·   4 References:   

Find Words in Filings emoji
 
  in    Show  and   Hints

  As Of               Filer                 Filing    For·On·As Docs:Size

11/03/22  Exelon Corp.                      10-Q        9/30/22  131:41M
          Baltimore Gas & Electric Co.
          Commonwealth Edison Co.
          Pepco Holdings LLC
          Peco Energy Co.
          Potomac Electric Power Co.
          Atlantic City Electric Co.
          Delmarva Power & Light Co./DE

Quarterly Report   —   Form 10-Q

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML  12.12M 
 2: EX-31.1     Certification Filed by Christopher M. Crane for     HTML     42K 
                Exelon Corporation                                               
11: EX-31.10    Certification Filed by Phillip S. Barnett for       HTML     42K 
                Pepco Holdings LLC                                               
12: EX-31.11    Certification Filed by J. Tyler Anthony for         HTML     42K 
                Potomac Electric Power Company                                   
13: EX-31.12    Certification Filed by Phillip S. Barnett for       HTML     42K 
                Potomac Electric Power Company                                   
14: EX-31.13    Certification Filed by J. Tyler Anthony for         HTML     42K 
                Delmarva Power & Light Company                                   
15: EX-31.14    Certification Filed by Phillip S. Barnett for       HTML     42K 
                Delmarva Power & Light Company                                   
16: EX-31.15    Certification Filed by J. Tyler Anthony for         HTML     42K 
                Atlantic City Electric Company                                   
17: EX-31.16    Certification Filed by Phillip S. Barnett for       HTML     42K 
                Atlantic City Electric Company                                   
 3: EX-31.2     Certification Filed by Jeanne M. Jones for Exelon   HTML     42K 
                Corporation                                                      
 4: EX-31.3     Certification Filed by Gil C. Quiniones for         HTML     42K 
                Commonwealth Edison Company                                      
 5: EX-31.4     Certification Filed by Elisabeth J. Graham for      HTML     42K 
                Commonwealth Edison Company                                      
 6: EX-31.5     Certification Filed by Michael A. Innocenzo for     HTML     42K 
                Peco Energy Company                                              
 7: EX-31.6     Certification Filed by Robert J. Stefani for Peco   HTML     42K 
                Energy Company                                                   
 8: EX-31.7     Certification Filed by Carim V. Khouzami for        HTML     42K 
                Baltimore Gas and Electric Company                               
 9: EX-31.8     Certification Filed by David M. Vahos for           HTML     42K 
                Baltimore Gas and Electric Company                               
10: EX-31.9     Certification Filed by J. Tyler Anthony for Pepco   HTML     42K 
                Holdings LLC                                                     
18: EX-32.1     Certification Filed by Christopher M. Crane for     HTML     38K 
                Exelon Corporation                                               
27: EX-32.10    Certification Filed by Phillip S. Barnett for       HTML     38K 
                Pepco Holdings LLC                                               
28: EX-32.11    Certification Filed by J. Tyler Anthony for         HTML     38K 
                Potomac Electric Power Company                                   
29: EX-32.12    Certification Filed by Phillip S. Barnett for       HTML     38K 
                Potomac Electric Power Company                                   
30: EX-32.13    Certification Filed by J. Tyler Anthony for         HTML     38K 
                Delmarva Power & Light Company                                   
31: EX-32.14    Certification Filed by Phillip S. Barnett for       HTML     38K 
                Delmarva Power & Light Company                                   
32: EX-32.15    Certification Filed by J. Tyler Anthony for         HTML     38K 
                Atlantic City Electric Company                                   
33: EX-32.16    Certification Filed by Phillip S. Barnett for       HTML     38K 
                Atlantic City Electric Company                                   
19: EX-32.2     Certification Filed by Jeanne M. Jones for Exelon   HTML     38K 
                Corporation                                                      
20: EX-32.3     Certification Filed by Gil C. Quiniones for         HTML     38K 
                Commonwealth Edison Company                                      
21: EX-32.4     Certification Filed by Elisabeth J. Graham for      HTML     38K 
                Commonwealth Edison Company                                      
22: EX-32.5     Certification Filed by Michael A. Innocenzo for     HTML     38K 
                Peco Energy Company                                              
23: EX-32.6     Certification Filed by Robert J. Stefani for Peco   HTML     38K 
                Energy Company                                                   
24: EX-32.7     Certification Filed by Carim V. Khouzami for        HTML     38K 
                Baltimore Gas and Electric Company                               
25: EX-32.8     Certification Filed by David M. Vahos for           HTML     38K 
                Baltimore Gas and Electric Company                               
26: EX-32.9     Certification Filed by J. Tyler Anthony for Pepco   HTML     38K 
                Holdings LLC                                                     
39: R1          Cover Page                                          HTML    134K 
40: R2          Consolidated Statements of Operations and           HTML    325K 
                Comprehensive Income (Unaudited)                                 
41: R3          Consolidated Statements of Cash Flows (Unaudited)   HTML    266K 
42: R4          Consolidated Balance Sheets (Unaudited)             HTML    410K 
43: R5          Consolidated Statements of Changes in Shareholders  HTML    298K 
                Equity (Unaudited)                                               
44: R6          Significant Accounting Policies (All Registrants)   HTML     58K 
45: R7          Discontinued Operations (Exelon)                    HTML    139K 
46: R8          Regulatory Matters (All Registrants)                HTML    147K 
47: R9          Revenue from Contracts with Customers (All          HTML    106K 
                Registrants)                                                     
48: R10         Segment Information (All Registrants)               HTML    745K 
49: R11         Accounts Receivable (All Registrants)               HTML    237K 
50: R12         Asset Impairments (Exelon and BGE)                  HTML     40K 
51: R13         Income Taxes (All Registrants)                      HTML    215K 
52: R14         Retirement Benefits (All Registrants)               HTML    181K 
53: R15         Derivative Financial Instruments (All Registrants)  HTML     60K 
54: R16         Debt and Credit Agreements (All Registrants)        HTML    119K 
55: R17         Fair Value of Financial Assets and Liabilities      HTML    527K 
                (All Registrants)                                                
56: R18         Commitments and Contingencies (All Registrants)     HTML    229K 
57: R19         Shareholders' Equity (Exelon)                       HTML     46K 
58: R20         Changes in Accumulated Other Comprehensive Income   HTML    109K 
                (Exelon)                                                         
59: R21         Supplemental Financial Information (All             HTML    389K 
                Registrants)                                                     
60: R22         Related Party Transactions (All Registrants)        HTML    243K 
61: R23         Significant Accounting Policies (Policies)          HTML     58K 
62: R24         Discontinued Operations (Tables)                    HTML    130K 
63: R25         Regulatory Matters (Tables)                         HTML    133K 
64: R26         Revenue from Contracts with Customers (Tables)      HTML    104K 
65: R27         Segment Information (Tables)                        HTML    741K 
66: R28         Accounts Receivable (Tables)                        HTML    241K 
67: R29         Income Taxes (Tables)                               HTML    206K 
68: R30         Retirement Benefits (Tables)                        HTML    119K 
69: R31         Debt and Credit Agreements (Tables)                 HTML    116K 
70: R32         Fair Value of Financial Assets and Liabilities      HTML    531K 
                (Tables)                                                         
71: R33         Commitments and Contingencies (Tables)              HTML    198K 
72: R34         Changes in Accumulated Other Comprehensive Income   HTML    111K 
                (Tables)                                                         
73: R35         Supplemental Financial Information (Tables)         HTML    395K 
74: R36         Related Party Transactions (Tables)                 HTML    244K 
75: R37         Significant Accounting Policies (Details)           HTML     64K 
76: R38         Discontinued Operations and Disposal Groups         HTML     71K 
                (Details)                                                        
77: R39         Discontinued Operations and Disposal Groups         HTML    105K 
                (Details) - Income Statement                                     
78: R40         Discontinued Operations and Disposal Groups         HTML    175K 
                (Details) - Balance Sheet                                        
79: R41         Discontinued Operations and Disposal Groups         HTML     73K 
                (Details) - Cash Flows                                           
80: R42         Regulatory Matters - Schedule of Completed Rate     HTML    217K 
                Cases (Details)                                                  
81: R43         Regulatory Matters - Schedule of Pending Rate       HTML     71K 
                Cases (Details)                                                  
82: R44         Regulatory Matters - Annual Electric Transmission   HTML     78K 
                Fillings (Details)                                               
83: R45         Regulatory Matters - Energy Efficiency Formula      HTML     54K 
                Rate (Details)                                                   
84: R46         Regulatory Matters - Capitalized Ratemaking Amount  HTML     55K 
                Not Recognized (Details)                                         
85: R47         Regulatory Matters - Narrative (Details)            HTML    104K 
86: R48         Revenue from Contracts with Customers - Change in   HTML     57K 
                Contract with Customer, Asset and Liability                      
                (Details)                                                        
87: R49         Revenue from Contract with Customer - Performance   HTML     95K 
                Obligations (Details)                                            
88: R50         Segment Information - Narrative (Details)           HTML     41K 
89: R51         Segment Information - Reconciliation to             HTML    297K 
                Consolidated Financial Statements (Details)                      
90: R52         Segment Information - Electric and Gas Revenue by   HTML    278K 
                Customer Class (Details)                                         
91: R53         Accounts Receivable - Allowance for Credit Losses   HTML    105K 
                Rollforward (Details)                                            
92: R54         Accounts Receivable - Unbilled Customer Revenue     HTML     54K 
                (Details)                                                        
93: R55         Accounts Receivable - Purchases and Sales of        HTML     59K 
                Accounts Receivable (Detail)                                     
94: R56         Asset Impairments - Narrative (Details)             HTML     42K 
95: R57         Income Taxes - Narrative (Details)                  HTML     88K 
96: R58         Income Taxes - Reconciliation to Effective Tax      HTML    129K 
                Rate (Details)                                                   
97: R59         Income Taxes - Unrecognized Tax Benefits (Details)  HTML     46K 
98: R60         Income Taxes - Allocation of Tax Benefits           HTML     53K 
                (Details)                                                        
99: R61         Retirement Benefits - Narrative (Details)           HTML     59K 
100: R62         Retirement Benefits - Calculation of Net Periodic   HTML     73K  
                Benefit Cost (Details)                                           
101: R63         Retirement Benefits - Allocated Portion of Pension  HTML     68K  
                and Postretirement Benefit Plan Costs (Details)                  
102: R64         Retirement Benefits - Defined Contribution Savings  HTML     58K  
                Plans (Details)                                                  
103: R65         Derivative Financial Instruments - Narrative        HTML    115K  
                (Details)                                                        
104: R66         Debt and Credit Agreements - Narrative (Details)    HTML    100K  
105: R67         Debt and Credit Agreements - Commercial Paper       HTML     62K  
                Borrowings (Details)                                             
106: R68         Debt and Credit Agreements - Summary of Revolving   HTML     64K  
                Credit Agreements (Details)                                      
107: R69         Debt and Credit Agreements - Issuance of Long-Term  HTML    101K  
                Debt (Details)                                                   
108: R70         Fair Value of Financial Assets and Liabilities -    HTML    111K  
                Fair Value of Financial Liabilities Recorded at                  
                Amortized Cost (Details)                                         
109: R71         Fair Value of Financial Assets and Liabilities -    HTML    336K  
                Fair Value Measurements of Assets and Liabilities,               
                Recurring and Nonrecurring (Details)                             
110: R72         Fair Value of Financial Assets and Liabilities -    HTML     88K  
                Fair Value Assets Liabilities Measured On                        
                Recurring Basis Unobservable Input Reconciliation                
                (Details)                                                        
111: R73         Fair Value of Financial Assets and Liabilities -    HTML     59K  
                Fair Value Inputs Assets Quantitative Information                
                (Details)                                                        
112: R74         Commitments and Contingencies - Narrative           HTML    104K  
                (Details)                                                        
113: R75         Commitments and Contingencies - Merger Commitment   HTML     58K  
                (Details)                                                        
114: R76         Commitments and Contingencies - Schedule of         HTML    149K  
                Commercial Commitments (Details)                                 
115: R77         Commitments and Contingencies - Schedule of         HTML     65K  
                Accruals for Environmental Matters (Details)                     
116: R78         Shareholder's Equity (Details)                      HTML     55K  
117: R79         Changes in Accumulated Other Comprehensive Income   HTML     96K  
                - Schedule of Changes in AOCI (Details)                          
118: R80         Changes in Accumulated Other Comprehensive Income   HTML     50K  
                - Income Taxes Allocated to Other Comprehensive                  
                Income (Loss) Components (Details)                               
119: R81         Supplemental Financial Information - Operations     HTML     62K  
                (Detail)                                                         
120: R82         Supplemental Financial Information - Taxes Other    HTML     65K  
                Than Income Taxes (Details)                                      
121: R83         Supplemental Financial Information - Cash Flow      HTML    164K  
                (Details)                                                        
122: R84         Supplemental Financial Information - Balance Sheet  HTML    103K  
                (Details)                                                        
123: R85         Related Party Transactions - Utility Registrants'   HTML     65K  
                expense with Generation (Details)                                
124: R86         Related Party Transactions - BSC and PHISCO         HTML     82K  
                Service Companies (Details)                                      
125: R87         Related Party Transactions - Current Receivables    HTML    185K  
                From/Payables To Affiliates (Details)                            
126: R88         Related Party Transactions - Long Term Debt to      HTML     57K  
                Financing Trusts (Details)                                       
129: XML         IDEA XML File -- Filing Summary                      XML    211K  
127: XML         XBRL Instance -- exc-20220930_htm                    XML  17.26M  
128: EXCEL       IDEA Workbook of Financial Reports                  XLSX    419K  
35: EX-101.CAL  XBRL Calculations -- exc-20220930_cal                XML    245K 
36: EX-101.DEF  XBRL Definitions -- exc-20220930_def                 XML   2.27M 
37: EX-101.LAB  XBRL Labels -- exc-20220930_lab                      XML   3.10M 
38: EX-101.PRE  XBRL Presentations -- exc-20220930_pre               XML   2.41M 
34: EX-101.SCH  XBRL Schema -- exc-20220930                          XSD    334K 
130: JSON        XBRL Instance as JSON Data -- MetaLinks              683±  1.10M  
131: ZIP         XBRL Zipped Folder -- 0001109357-22-000113-xbrl      Zip   1.56M  


‘EX-101.PRE’   —   XBRL Presentations — exc-20220930_pre


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- XBRL Document Created with Wdesk from Workiva -->
<!-- Copyright 2022 Workiva -->
<!-- r:8f4c795e-d3f1-4a66-851f-0b1fdea49470,g:5422122d-51b5-496c-be24-ac517c2810c1 -->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
<link:roleRef roleURI="http://www.exeloncorp.com/role/CoverPage" xlink:type="simple" xlink:href="exc-20220930.xsd#CoverPage"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/CoverPage" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_f232ca8b-1022-44f9-8193-c48680d005ab" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CoverAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_7a82029a-d55b-4ec8-9fa5-108cf63130de" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_f232ca8b-1022-44f9-8193-c48680d005ab" xlink:to="loc_us-gaap_StatementTable_7a82029a-d55b-4ec8-9fa5-108cf63130de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_8638091f-f4c6-4019-a339-a0a71206e96d" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_StatementGeographicalAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_7a82029a-d55b-4ec8-9fa5-108cf63130de" xlink:to="loc_srt_StatementGeographicalAxis_8638091f-f4c6-4019-a339-a0a71206e96d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_4ac6f9c8-4243-4d4f-8abd-b42d5292659e" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_SegmentGeographicalDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_StatementGeographicalAxis_8638091f-f4c6-4019-a339-a0a71206e96d" xlink:to="loc_srt_SegmentGeographicalDomain_4ac6f9c8-4243-4d4f-8abd-b42d5292659e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_stpr_DC_3a6356ff-d7a2-4d7a-b10f-0bb2488c4493" xlink:href="https://xbrl.sec.gov/stpr/2022/stpr-2022.xsd#stpr_DC"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SegmentGeographicalDomain_4ac6f9c8-4243-4d4f-8abd-b42d5292659e" xlink:to="loc_stpr_DC_3a6356ff-d7a2-4d7a-b10f-0bb2488c4493" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_stpr_VA_fbd42b12-43c8-471e-9dc4-add9ae72d156" xlink:href="https://xbrl.sec.gov/stpr/2022/stpr-2022.xsd#stpr_VA"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SegmentGeographicalDomain_4ac6f9c8-4243-4d4f-8abd-b42d5292659e" xlink:to="loc_stpr_VA_fbd42b12-43c8-471e-9dc4-add9ae72d156" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_stpr_DE_65a40905-3807-4dca-9f1f-15e1fe3dfac8" xlink:href="https://xbrl.sec.gov/stpr/2022/stpr-2022.xsd#stpr_DE"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SegmentGeographicalDomain_4ac6f9c8-4243-4d4f-8abd-b42d5292659e" xlink:to="loc_stpr_DE_65a40905-3807-4dca-9f1f-15e1fe3dfac8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_77ff23e1-6d37-4115-81c1-86422a7a954c" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_7a82029a-d55b-4ec8-9fa5-108cf63130de" xlink:to="loc_dei_LegalEntityAxis_77ff23e1-6d37-4115-81c1-86422a7a954c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_56ed8447-08a8-4e49-8a30-b799ef70f241" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_77ff23e1-6d37-4115-81c1-86422a7a954c" xlink:to="loc_dei_EntityDomain_56ed8447-08a8-4e49-8a30-b799ef70f241" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_9d81b6fe-d738-4244-b280-e2d9c4366838" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_56ed8447-08a8-4e49-8a30-b799ef70f241" xlink:to="loc_exc_CommonwealthEdisonCoMember_9d81b6fe-d738-4244-b280-e2d9c4366838" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_65c589e9-992d-46fd-bbc4-41b810ea9f81" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_56ed8447-08a8-4e49-8a30-b799ef70f241" xlink:to="loc_exc_PecoEnergyCoMember_65c589e9-992d-46fd-bbc4-41b810ea9f81" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_52a28c36-17dd-450d-8cd2-dbb5b78d96c8" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_56ed8447-08a8-4e49-8a30-b799ef70f241" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_52a28c36-17dd-450d-8cd2-dbb5b78d96c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_454f2e1e-59da-4a5f-b932-adc8f51db8bf" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_56ed8447-08a8-4e49-8a30-b799ef70f241" xlink:to="loc_exc_PepcoHoldingsLLCMember_454f2e1e-59da-4a5f-b932-adc8f51db8bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_79bc613c-2667-4822-b2f1-0327c62c67aa" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_56ed8447-08a8-4e49-8a30-b799ef70f241" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_79bc613c-2667-4822-b2f1-0327c62c67aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_a5517197-5517-465a-a5f4-24b50a00604b" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_56ed8447-08a8-4e49-8a30-b799ef70f241" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_a5517197-5517-465a-a5f4-24b50a00604b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_553694e4-6e11-49e7-85f6-099bf9d4ac95" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_56ed8447-08a8-4e49-8a30-b799ef70f241" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_553694e4-6e11-49e7-85f6-099bf9d4ac95" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_7a82029a-d55b-4ec8-9fa5-108cf63130de" xlink:to="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_b96b652e-920c-4256-8eb9-54378e8e92a0" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentType"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_DocumentType_b96b652e-920c-4256-8eb9-54378e8e92a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport_8f956d80-cae9-4578-96ff-a3a2bee0b67c" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentQuarterlyReport"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_DocumentQuarterlyReport_8f956d80-cae9-4578-96ff-a3a2bee0b67c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_d4f01036-44b0-4d73-b2de-4a874639483d" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentPeriodEndDate"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_DocumentPeriodEndDate_d4f01036-44b0-4d73-b2de-4a874639483d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_aa679f01-60d5-4b3f-be66-af2c7c258efa" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentTransitionReport"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_DocumentTransitionReport_aa679f01-60d5-4b3f-be66-af2c7c258efa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_a490e71c-a913-48f4-9ae5-f13f8befa917" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityFileNumber"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_EntityFileNumber_a490e71c-a913-48f4-9ae5-f13f8befa917" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_2c4559bd-f04b-43be-9a6a-81cf7ea180e8" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityRegistrantName"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_EntityRegistrantName_2c4559bd-f04b-43be-9a6a-81cf7ea180e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_00f7d9bc-db59-4005-8cf4-bb005bdaba50" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityTaxIdentificationNumber"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_EntityTaxIdentificationNumber_00f7d9bc-db59-4005-8cf4-bb005bdaba50" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_2a8fb443-2a3c-41f6-b416-d64788f261da" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityIncorporationStateCountryCode"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_EntityIncorporationStateCountryCode_2a8fb443-2a3c-41f6-b416-d64788f261da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_a0c4eebb-3ff7-46eb-a194-85615509b6cd" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressAddressLine1"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_EntityAddressAddressLine1_a0c4eebb-3ff7-46eb-a194-85615509b6cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2_a5952443-d9f8-4e71-9b7f-e6d9817bf84a" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressAddressLine2"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_EntityAddressAddressLine2_a5952443-d9f8-4e71-9b7f-e6d9817bf84a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_369f98af-80da-4bce-a9c1-391db1a107d9" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressCityOrTown"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_EntityAddressCityOrTown_369f98af-80da-4bce-a9c1-391db1a107d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_2789487d-59bc-4b11-8ae0-7ac38fcffc46" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressStateOrProvince"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_EntityAddressStateOrProvince_2789487d-59bc-4b11-8ae0-7ac38fcffc46" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_9bbeae20-7bda-49d3-a4ae-734c7216de2e" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressPostalZipCode"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_EntityAddressPostalZipCode_9bbeae20-7bda-49d3-a4ae-734c7216de2e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_368d87f1-2d32-4089-94db-52f6671a65ff" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CityAreaCode"/>
<link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_CityAreaCode_368d87f1-2d32-4089-94db-52f6671a65ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_34eb5ef5-bd64-44d0-a906-3dd07a8e5116" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LocalPhoneNumber"/>
<link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_LocalPhoneNumber_34eb5ef5-bd64-44d0-a906-3dd07a8e5116" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_220f1c2c-167a-4724-8182-b774b848119f" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_Security12bTitle"/>
<link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_Security12bTitle_220f1c2c-167a-4724-8182-b774b848119f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_f31c906f-3162-4112-8b7a-a62a0531f08e" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_TradingSymbol"/>
<link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_TradingSymbol_f31c906f-3162-4112-8b7a-a62a0531f08e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_414bad7e-1312-454e-a7ef-d782af186713" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_SecurityExchangeName"/>
<link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_SecurityExchangeName_414bad7e-1312-454e-a7ef-d782af186713" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_e04efcba-8c9f-4c01-804c-03d6a52c7e64" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCurrentReportingStatus"/>
<link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_EntityCurrentReportingStatus_e04efcba-8c9f-4c01-804c-03d6a52c7e64" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_e32742ba-a43f-484f-8e56-9d2602936c37" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityInteractiveDataCurrent"/>
<link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_EntityInteractiveDataCurrent_e32742ba-a43f-484f-8e56-9d2602936c37" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_493c425d-40d9-4f24-950d-e415ca28fd3b" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityFilerCategory"/>
<link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_EntityFilerCategory_493c425d-40d9-4f24-950d-e415ca28fd3b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_09048bfa-e261-4d42-9ce8-3fa4b590a82e" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntitySmallBusiness"/>
<link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_EntitySmallBusiness_09048bfa-e261-4d42-9ce8-3fa4b590a82e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_6c5d6121-c630-44b3-a294-09bec2ad7653" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityEmergingGrowthCompany"/>
<link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_EntityEmergingGrowthCompany_6c5d6121-c630-44b3-a294-09bec2ad7653" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_c0bdd89d-88e1-4c56-b924-07a475be74a3" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityShellCompany"/>
<link:presentationArc order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_EntityShellCompany_c0bdd89d-88e1-4c56-b924-07a475be74a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_5a8f7c24-64f6-47d2-b8f9-e5ce081ca8ee" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCommonStockSharesOutstanding"/>
<link:presentationArc order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_5a8f7c24-64f6-47d2-b8f9-e5ce081ca8ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_5af2a949-2b7f-46d8-8137-6298bfa57dd2" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentFiscalYearFocus"/>
<link:presentationArc order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_DocumentFiscalYearFocus_5af2a949-2b7f-46d8-8137-6298bfa57dd2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_e9ff191e-8ff8-49ed-8ba3-8a3a434cfc85" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentFiscalPeriodFocus"/>
<link:presentationArc order="27" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_DocumentFiscalPeriodFocus_e9ff191e-8ff8-49ed-8ba3-8a3a434cfc85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_83a5fdac-c50a-4940-9f6f-dd441d25bb20" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CurrentFiscalYearEndDate"/>
<link:presentationArc order="28" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_CurrentFiscalYearEndDate_83a5fdac-c50a-4940-9f6f-dd441d25bb20" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_cbf894e0-41f6-462a-a810-eef9abd90038" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCentralIndexKey"/>
<link:presentationArc order="29" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_EntityCentralIndexKey_cbf894e0-41f6-462a-a810-eef9abd90038" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_89204285-4c2d-4971-b8ab-86e7bbe15c3a" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AmendmentFlag"/>
<link:presentationArc order="30" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c18e4635-8fc8-4f22-bc97-b56936c01b34" xlink:to="loc_dei_AmendmentFlag_89204285-4c2d-4971-b8ab-86e7bbe15c3a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/ConsolidatedStatementsofOperationsandComprehensiveIncomeUnaudited" xlink:type="simple" xlink:href="exc-20220930.xsd#ConsolidatedStatementsofOperationsandComprehensiveIncomeUnaudited"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/ConsolidatedStatementsofOperationsandComprehensiveIncomeUnaudited" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementAbstract_12721335-6066-4522-bbf0-24b8e3dcdf21" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_e631942f-7cfc-46e5-9f77-1ee424c4cfcb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_12721335-6066-4522-bbf0-24b8e3dcdf21" xlink:to="loc_us-gaap_StatementTable_e631942f-7cfc-46e5-9f77-1ee424c4cfcb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_76bf7982-0c3c-4236-a72d-f2164ce90e9b" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductOrServiceAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_e631942f-7cfc-46e5-9f77-1ee424c4cfcb" xlink:to="loc_srt_ProductOrServiceAxis_76bf7982-0c3c-4236-a72d-f2164ce90e9b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_5db0014c-8057-4d52-a3bc-bd31a7f961ee" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductsAndServicesDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductOrServiceAxis_76bf7982-0c3c-4236-a72d-f2164ce90e9b" xlink:to="loc_srt_ProductsAndServicesDomain_5db0014c-8057-4d52-a3bc-bd31a7f961ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyCommoditiesAndServiceMember_6ab36651-c268-4d5a-bb43-41e6d57e8bd3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EnergyCommoditiesAndServiceMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_5db0014c-8057-4d52-a3bc-bd31a7f961ee" xlink:to="loc_us-gaap_EnergyCommoditiesAndServiceMember_6ab36651-c268-4d5a-bb43-41e6d57e8bd3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesMember_fa9e8ec4-122e-44e7-8737-e12a621b4a05" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_5db0014c-8057-4d52-a3bc-bd31a7f961ee" xlink:to="loc_us-gaap_PublicUtilitiesMember_fa9e8ec4-122e-44e7-8737-e12a621b4a05" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ElectricityUsRegulatedMember_f9607599-bfe3-44e3-9365-32fcdeda4ab6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ElectricityUsRegulatedMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_5db0014c-8057-4d52-a3bc-bd31a7f961ee" xlink:to="loc_us-gaap_ElectricityUsRegulatedMember_f9607599-bfe3-44e3-9365-32fcdeda4ab6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NaturalGasUsRegulatedMember_9109ecc3-a380-4a1c-b047-c25aa4bac4e2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NaturalGasUsRegulatedMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_5db0014c-8057-4d52-a3bc-bd31a7f961ee" xlink:to="loc_us-gaap_NaturalGasUsRegulatedMember_9109ecc3-a380-4a1c-b047-c25aa4bac4e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_41dffac8-45cc-4d30-b81f-78e0acebd32e" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_e631942f-7cfc-46e5-9f77-1ee424c4cfcb" xlink:to="loc_dei_LegalEntityAxis_41dffac8-45cc-4d30-b81f-78e0acebd32e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_af20c47c-5cc8-46f0-8999-d516aa0bf3d4" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_41dffac8-45cc-4d30-b81f-78e0acebd32e" xlink:to="loc_dei_EntityDomain_af20c47c-5cc8-46f0-8999-d516aa0bf3d4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_01453ce0-b664-428a-9881-ad3e939fe522" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_af20c47c-5cc8-46f0-8999-d516aa0bf3d4" xlink:to="loc_exc_ExelonGenerationCoLLCMember_01453ce0-b664-428a-9881-ad3e939fe522" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_fa9bcd26-4b1e-4934-99ce-a1eb0e0d78fb" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_af20c47c-5cc8-46f0-8999-d516aa0bf3d4" xlink:to="loc_exc_CommonwealthEdisonCoMember_fa9bcd26-4b1e-4934-99ce-a1eb0e0d78fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_61b74c69-8e20-4a25-b9e1-2956d65771fb" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_af20c47c-5cc8-46f0-8999-d516aa0bf3d4" xlink:to="loc_exc_PecoEnergyCoMember_61b74c69-8e20-4a25-b9e1-2956d65771fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_d19c595e-6bf9-470c-9387-9394512e0131" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_af20c47c-5cc8-46f0-8999-d516aa0bf3d4" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_d19c595e-6bf9-470c-9387-9394512e0131" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_13ea8cb6-ebec-4144-97b4-46d7de26bd60" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_af20c47c-5cc8-46f0-8999-d516aa0bf3d4" xlink:to="loc_exc_PepcoHoldingsLLCMember_13ea8cb6-ebec-4144-97b4-46d7de26bd60" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_2e6eec75-fa5d-4fdf-83c2-75846d8cac0b" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_af20c47c-5cc8-46f0-8999-d516aa0bf3d4" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_2e6eec75-fa5d-4fdf-83c2-75846d8cac0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_34400d46-76f8-4b9c-95a9-4fd4cb82fc17" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_af20c47c-5cc8-46f0-8999-d516aa0bf3d4" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_34400d46-76f8-4b9c-95a9-4fd4cb82fc17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_dd44fd1b-7df9-4763-8848-4e1519ba8f60" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_af20c47c-5cc8-46f0-8999-d516aa0bf3d4" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_dd44fd1b-7df9-4763-8848-4e1519ba8f60" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_44f54313-860d-4e88-9d0f-b9ccdfe9d3a2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementEquityComponentsAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_e631942f-7cfc-46e5-9f77-1ee424c4cfcb" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_44f54313-860d-4e88-9d0f-b9ccdfe9d3a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_d5eb3cd9-6f00-4524-8fea-011b04f65216" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_44f54313-860d-4e88-9d0f-b9ccdfe9d3a2" xlink:to="loc_us-gaap_EquityComponentDomain_d5eb3cd9-6f00-4524-8fea-011b04f65216" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_dd107046-d452-467c-b3e3-99f9743c5060" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_d5eb3cd9-6f00-4524-8fea-011b04f65216" xlink:to="loc_us-gaap_CommonStockMember_dd107046-d452-467c-b3e3-99f9743c5060" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_e631942f-7cfc-46e5-9f77-1ee424c4cfcb" xlink:to="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_c787fc82-d341-42d5-b109-92f442f75ca5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenuesAbstract"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_RevenuesAbstract_c787fc82-d341-42d5-b109-92f442f75ca5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_a0ae5dc5-f0eb-45bc-97cf-dea0ab90d277" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_c787fc82-d341-42d5-b109-92f442f75ca5" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_a0ae5dc5-f0eb-45bc-97cf-dea0ab90d277" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_TrueupAdjustmentstoDecouplingMechanismsandFormulaRates_57f8d732-6cf7-4357-ab7d-d81728ee4171" xlink:href="exc-20220930.xsd#exc_TrueupAdjustmentstoDecouplingMechanismsandFormulaRates"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_c787fc82-d341-42d5-b109-92f442f75ca5" xlink:to="loc_exc_TrueupAdjustmentstoDecouplingMechanismsandFormulaRates_57f8d732-6cf7-4357-ab7d-d81728ee4171" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromRelatedParties_8ecdf36c-378a-4951-b350-758c8e8bda3a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromRelatedParties"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_c787fc82-d341-42d5-b109-92f442f75ca5" xlink:to="loc_us-gaap_RevenueFromRelatedParties_8ecdf36c-378a-4951-b350-758c8e8bda3a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_775d5a72-17bb-4619-83d7-537035a8e344" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Revenues"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_c787fc82-d341-42d5-b109-92f442f75ca5" xlink:to="loc_us-gaap_Revenues_775d5a72-17bb-4619-83d7-537035a8e344" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpensesAbstract_3f452872-b6d2-4719-b94f-aa350ad8db2d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostsAndExpensesAbstract"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_CostsAndExpensesAbstract_3f452872-b6d2-4719-b94f-aa350ad8db2d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostDirectMaterial_087bf624-095f-4e86-a55f-78293f875c17" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostDirectMaterial"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_3f452872-b6d2-4719-b94f-aa350ad8db2d" xlink:to="loc_us-gaap_CostDirectMaterial_087bf624-095f-4e86-a55f-78293f875c17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionAmountsOfTransaction_fab8f4f1-be70-4df1-9cdb-25136bf72389" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionAmountsOfTransaction"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_3f452872-b6d2-4719-b94f-aa350ad8db2d" xlink:to="loc_us-gaap_RelatedPartyTransactionAmountsOfTransaction_fab8f4f1-be70-4df1-9cdb-25136bf72389" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty_0f730953-d9a8-4b72-b55a-8d4b878882cb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_3f452872-b6d2-4719-b94f-aa350ad8db2d" xlink:to="loc_us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty_0f730953-d9a8-4b72-b55a-8d4b878882cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses_5529b3f2-3045-4295-a4a2-e11c8426751f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_3f452872-b6d2-4719-b94f-aa350ad8db2d" xlink:to="loc_us-gaap_UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses_5529b3f2-3045-4295-a4a2-e11c8426751f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_70133325-02ac-4bef-882a-ad4a7f96007a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_3f452872-b6d2-4719-b94f-aa350ad8db2d" xlink:to="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_70133325-02ac-4bef-882a-ad4a7f96007a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_eea1b2e5-6163-4ffb-a8a6-7f2b1c46662e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_3f452872-b6d2-4719-b94f-aa350ad8db2d" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_eea1b2e5-6163-4ffb-a8a6-7f2b1c46662e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxesExcludingIncomeAndExciseTaxes_1f68f8d0-d4ed-4ddd-985d-dad3e8ffb4f2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TaxesExcludingIncomeAndExciseTaxes"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_3f452872-b6d2-4719-b94f-aa350ad8db2d" xlink:to="loc_us-gaap_TaxesExcludingIncomeAndExciseTaxes_1f68f8d0-d4ed-4ddd-985d-dad3e8ffb4f2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_58385909-452f-4a1d-bcf8-6c14b58dc404" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostsAndExpenses"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_3f452872-b6d2-4719-b94f-aa350ad8db2d" xlink:to="loc_us-gaap_CostsAndExpenses_58385909-452f-4a1d-bcf8-6c14b58dc404" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfOtherAssets_a660e2d4-64d3-436c-bbd9-907ee5064691" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainLossOnSaleOfOtherAssets"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_GainLossOnSaleOfOtherAssets_a660e2d4-64d3-436c-bbd9-907ee5064691" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeconsolidationGainOrLossAmount_1904ee99-16b8-4ab7-a680-86840091c505" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeconsolidationGainOrLossAmount"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_DeconsolidationGainOrLossAmount_1904ee99-16b8-4ab7-a680-86840091c505" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_fc7bcb5f-d327-4909-bcba-bc9fb5217828" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingIncomeLoss"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_OperatingIncomeLoss_fc7bcb5f-d327-4909-bcba-bc9fb5217828" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract_fd3b1450-0029-4787-953e-341a193923b4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NonoperatingIncomeExpenseAbstract"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_NonoperatingIncomeExpenseAbstract_fd3b1450-0029-4787-953e-341a193923b4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseBorrowings_095509ef-ce1c-4666-a358-fb2f51850821" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestExpenseBorrowings"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_fd3b1450-0029-4787-953e-341a193923b4" xlink:to="loc_us-gaap_InterestExpenseBorrowings_095509ef-ce1c-4666-a358-fb2f51850821" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseRelatedParty_fe1daffa-8e5a-499e-baa3-a2c1b9dceea8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestExpenseRelatedParty"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_fd3b1450-0029-4787-953e-341a193923b4" xlink:to="loc_us-gaap_InterestExpenseRelatedParty_fe1daffa-8e5a-499e-baa3-a2c1b9dceea8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_58548f2d-843f-4833-9e8f-f588e8898223" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_fd3b1450-0029-4787-953e-341a193923b4" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_58548f2d-843f-4833-9e8f-f588e8898223" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_0bcd1fee-3d1b-4126-9b75-a8fbced0153c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NonoperatingIncomeExpense"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_fd3b1450-0029-4787-953e-341a193923b4" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_0bcd1fee-3d1b-4126-9b75-a8fbced0153c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f8030755-485c-4641-8bdd-3ad27779a165" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f8030755-485c-4641-8bdd-3ad27779a165" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_743d813a-ae21-4e10-a050-3665bd552d23" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_743d813a-ae21-4e10-a050-3665bd552d23" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_6b6cfe7d-0efa-4320-810a-ae1cc0f15b52" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_6b6cfe7d-0efa-4320-810a-ae1cc0f15b52" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_0465b98a-7a4e-4c82-9bee-02aa1f6c1830" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_0465b98a-7a4e-4c82-9bee-02aa1f6c1830" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_d7f5d41a-5f7f-41e4-b52c-d3db3607aba8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_d7f5d41a-5f7f-41e4-b52c-d3db3607aba8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_3cad81a8-c4c4-47a1-8617-c313d00491d8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfitLoss"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_ProfitLoss_3cad81a8-c4c4-47a1-8617-c313d00491d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_cbf0b143-0683-4f2b-b54a-f1d264760528" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_cbf0b143-0683-4f2b-b54a-f1d264760528" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_e397347c-209c-4580-8c3e-6acc8859f2f7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
<link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_e397347c-209c-4580-8c3e-6acc8859f2f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic_3774811d-8e37-446d-89bf-c6bf2bd78dc7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic"/>
<link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic_3774811d-8e37-446d-89bf-c6bf2bd78dc7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_6be7444d-94a1-4baa-a5a4-43ce1c5e2b57" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic"/>
<link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_6be7444d-94a1-4baa-a5a4-43ce1c5e2b57" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_a30331a1-dd51-4cc1-a2ca-9b87a6382573" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss"/>
<link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_NetIncomeLoss_a30331a1-dd51-4cc1-a2ca-9b87a6382573" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_29c554c2-7fb1-4a1c-a343-0891d2dcf84c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract"/>
<link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_29c554c2-7fb1-4a1c-a343-0891d2dcf84c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax_422d112b-7596-4b42-88f3-6453b99702b0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_29c554c2-7fb1-4a1c-a343-0891d2dcf84c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax_422d112b-7596-4b42-88f3-6453b99702b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax_9bfb8751-ae4b-49b6-a7d3-f1833b3931e1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_29c554c2-7fb1-4a1c-a343-0891d2dcf84c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax_9bfb8751-ae4b-49b6-a7d3-f1833b3931e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax_1c7aa8c8-3717-4b56-ac7a-5e937ffd53dc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_29c554c2-7fb1-4a1c-a343-0891d2dcf84c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax_1c7aa8c8-3717-4b56-ac7a-5e937ffd53dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_4bf0820c-5748-4fa3-8765-8900a22bffc1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_29c554c2-7fb1-4a1c-a343-0891d2dcf84c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_4bf0820c-5748-4fa3-8765-8900a22bffc1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherComprehensiveIncomeUnrealizedIncomeLossOnEquityInvestmentsArisingDuringPeriodNetOfTax_02507da1-731f-436e-99ea-467a1fdf487b" xlink:href="exc-20220930.xsd#exc_OtherComprehensiveIncomeUnrealizedIncomeLossOnEquityInvestmentsArisingDuringPeriodNetOfTax"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_29c554c2-7fb1-4a1c-a343-0891d2dcf84c" xlink:to="loc_exc_OtherComprehensiveIncomeUnrealizedIncomeLossOnEquityInvestmentsArisingDuringPeriodNetOfTax_02507da1-731f-436e-99ea-467a1fdf487b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_0559b71f-df2b-4931-a33a-20a311881319" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_29c554c2-7fb1-4a1c-a343-0891d2dcf84c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_0559b71f-df2b-4931-a33a-20a311881319" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_bb05b264-6e3b-4e90-8d40-c5c08e60b638" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_29c554c2-7fb1-4a1c-a343-0891d2dcf84c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_bb05b264-6e3b-4e90-8d40-c5c08e60b638" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_22839dee-cda3-43fa-a4c9-92a4242c7ab5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
<link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_22839dee-cda3-43fa-a4c9-92a4242c7ab5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_d101b6ac-7af9-4ea1-bc42-60af14682115" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
<link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_d101b6ac-7af9-4ea1-bc42-60af14682115" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_4ea92807-a498-4dd2-a9b6-353b69209d50" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
<link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_4ea92807-a498-4dd2-a9b6-353b69209d50" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_0411d53a-6627-4c13-976f-cf7ee3229ce5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
<link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_0411d53a-6627-4c13-976f-cf7ee3229ce5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_9ce40034-2e83-4ea0-aca5-27aeef041bea" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_0411d53a-6627-4c13-976f-cf7ee3229ce5" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_9ce40034-2e83-4ea0-aca5-27aeef041bea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_e3556051-cbdc-46e9-9235-b4205177bf92" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_0411d53a-6627-4c13-976f-cf7ee3229ce5" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_e3556051-cbdc-46e9-9235-b4205177bf92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ec59817f-043e-471c-827f-1a997f943372" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_0411d53a-6627-4c13-976f-cf7ee3229ce5" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ec59817f-043e-471c-827f-1a997f943372" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_5c8f7d89-bece-4d1c-80ea-fbc1faaf74c5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EarningsPerShareAbstract"/>
<link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_EarningsPerShareAbstract_5c8f7d89-bece-4d1c-80ea-fbc1faaf74c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_e2c53de3-dbc8-4451-8226-a532115e92f8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_5c8f7d89-bece-4d1c-80ea-fbc1faaf74c5" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_e2c53de3-dbc8-4451-8226-a532115e92f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_4edc6cf7-1745-478a-bb7b-b63479370812" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_5c8f7d89-bece-4d1c-80ea-fbc1faaf74c5" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_4edc6cf7-1745-478a-bb7b-b63479370812" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare_3d97131d-ab6d-445b-89bd-b62afbdd198d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_5c8f7d89-bece-4d1c-80ea-fbc1faaf74c5" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare_3d97131d-ab6d-445b-89bd-b62afbdd198d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare_1f9d6678-6600-4bd5-a459-8bf5eabacbd5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_5c8f7d89-bece-4d1c-80ea-fbc1faaf74c5" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare_1f9d6678-6600-4bd5-a459-8bf5eabacbd5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_0dafa500-21b9-4b56-bd9b-7626bbdc8a02" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
<link:presentationArc order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cf37e42a-3dc5-4212-bee4-e710f0906080" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_0dafa500-21b9-4b56-bd9b-7626bbdc8a02" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/ConsolidatedStatementsofCashFlowsUnaudited" xlink:type="simple" xlink:href="exc-20220930.xsd#ConsolidatedStatementsofCashFlowsUnaudited"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/ConsolidatedStatementsofCashFlowsUnaudited" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_33cb7377-6e50-42da-801c-a0a48deb6c18" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementOfCashFlowsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_7da5bbc0-a185-419e-be00-f38367979439" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_33cb7377-6e50-42da-801c-a0a48deb6c18" xlink:to="loc_us-gaap_StatementTable_7da5bbc0-a185-419e-be00-f38367979439" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_7fdcf049-c0ba-434e-83c7-e4ed2b8e1170" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_7da5bbc0-a185-419e-be00-f38367979439" xlink:to="loc_dei_LegalEntityAxis_7fdcf049-c0ba-434e-83c7-e4ed2b8e1170" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_ca67d349-5768-49ec-8295-b98623ace718" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_7fdcf049-c0ba-434e-83c7-e4ed2b8e1170" xlink:to="loc_dei_EntityDomain_ca67d349-5768-49ec-8295-b98623ace718" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_3c3aceb3-0acc-4bd2-8d12-2adecf92c099" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ca67d349-5768-49ec-8295-b98623ace718" xlink:to="loc_exc_CommonwealthEdisonCoMember_3c3aceb3-0acc-4bd2-8d12-2adecf92c099" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_fc2371c2-7dc9-46e1-887f-926a2c431e0a" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ca67d349-5768-49ec-8295-b98623ace718" xlink:to="loc_exc_PecoEnergyCoMember_fc2371c2-7dc9-46e1-887f-926a2c431e0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_d598899f-bfa4-491a-bb45-67a3c79f61c1" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ca67d349-5768-49ec-8295-b98623ace718" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_d598899f-bfa4-491a-bb45-67a3c79f61c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_b6b8e462-c291-4e0c-a1f7-e557e9ad2e8e" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ca67d349-5768-49ec-8295-b98623ace718" xlink:to="loc_exc_PepcoHoldingsLLCMember_b6b8e462-c291-4e0c-a1f7-e557e9ad2e8e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_64624e65-6af4-46e4-85f7-c87540bb9f33" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ca67d349-5768-49ec-8295-b98623ace718" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_64624e65-6af4-46e4-85f7-c87540bb9f33" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_6151bbb0-9bad-46cd-bee0-1116a87a7352" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ca67d349-5768-49ec-8295-b98623ace718" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_6151bbb0-9bad-46cd-bee0-1116a87a7352" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_8a0edc17-9775-462d-9f80-4c94335e76fb" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ca67d349-5768-49ec-8295-b98623ace718" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_8a0edc17-9775-462d-9f80-4c94335e76fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_87730575-3ea1-43b8-a91a-457310a952a9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_7da5bbc0-a185-419e-be00-f38367979439" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_87730575-3ea1-43b8-a91a-457310a952a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_e2d3f870-cdab-4a3f-9675-0455cff7d728" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_87730575-3ea1-43b8-a91a-457310a952a9" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_e2d3f870-cdab-4a3f-9675-0455cff7d728" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_d5d34334-8c4c-4666-8676-6f420ea9e79c" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_e2d3f870-cdab-4a3f-9675-0455cff7d728" xlink:to="loc_exc_ExelonGenerationCoLLCMember_d5d34334-8c4c-4666-8676-6f420ea9e79c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_f6c28973-6fdf-46fc-af17-77c7fe06626c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_7da5bbc0-a185-419e-be00-f38367979439" xlink:to="loc_us-gaap_StatementLineItems_f6c28973-6fdf-46fc-af17-77c7fe06626c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_c1a6b9a7-9c5f-476b-895d-018e577a1507" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_f6c28973-6fdf-46fc-af17-77c7fe06626c" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_c1a6b9a7-9c5f-476b-895d-018e577a1507" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_043f66da-ecba-4a25-8c15-3b3779abe59a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfitLoss"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_c1a6b9a7-9c5f-476b-895d-018e577a1507" xlink:to="loc_us-gaap_ProfitLoss_043f66da-ecba-4a25-8c15-3b3779abe59a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_d65012ae-dbf4-4863-aa2e-2c97a2d28fee" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_c1a6b9a7-9c5f-476b-895d-018e577a1507" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_d65012ae-dbf4-4863-aa2e-2c97a2d28fee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_d6e66cb4-d3d3-4519-b165-e4a3a435b31b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DepreciationAmortizationAndAccretionNet"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_d65012ae-dbf4-4863-aa2e-2c97a2d28fee" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_d6e66cb4-d3d3-4519-b165-e4a3a435b31b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_30c8d11b-6e5b-44a3-ac32-c7f47c49709f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_d65012ae-dbf4-4863-aa2e-2c97a2d28fee" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_30c8d11b-6e5b-44a3-ac32-c7f47c49709f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_c3703629-a091-42d8-a40c-ccd5319c6e72" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_d65012ae-dbf4-4863-aa2e-2c97a2d28fee" xlink:to="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_c3703629-a091-42d8-a40c-ccd5319c6e72" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_95f3fdcd-7686-4108-ab4b-5de2437ae9d5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_d65012ae-dbf4-4863-aa2e-2c97a2d28fee" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_95f3fdcd-7686-4108-ab4b-5de2437ae9d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_8acc9de1-18a6-4914-baff-56d4ca9a7131" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_UnrealizedGainLossOnDerivatives"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_d65012ae-dbf4-4863-aa2e-2c97a2d28fee" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_8acc9de1-18a6-4914-baff-56d4ca9a7131" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnInvestments_ebbc54f6-4e02-4426-90b9-ff9b906e0d03" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainLossOnInvestments"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_d65012ae-dbf4-4863-aa2e-2c97a2d28fee" xlink:to="loc_us-gaap_GainLossOnInvestments_ebbc54f6-4e02-4426-90b9-ff9b906e0d03" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_5ccc72c3-0f53-4ea6-b794-aa1f52f902b9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_d65012ae-dbf4-4863-aa2e-2c97a2d28fee" xlink:to="loc_us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_5ccc72c3-0f53-4ea6-b794-aa1f52f902b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_6db5ae84-2a3a-4d40-9eff-9d9a828dd9d6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNoncashIncomeExpense"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_d65012ae-dbf4-4863-aa2e-2c97a2d28fee" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_6db5ae84-2a3a-4d40-9eff-9d9a828dd9d6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_2c720dad-5d06-4ba4-b9d6-1a28cfcf67a8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_c1a6b9a7-9c5f-476b-895d-018e577a1507" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_2c720dad-5d06-4ba4-b9d6-1a28cfcf67a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_e235c929-bdae-486c-86e1-ae94b7e72965" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInReceivables"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_2c720dad-5d06-4ba4-b9d6-1a28cfcf67a8" xlink:to="loc_us-gaap_IncreaseDecreaseInReceivables_e235c929-bdae-486c-86e1-ae94b7e72965" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ChangeinReceivablesFromPayablesToAffiliatesNet_c849c840-84d8-4ea7-b212-1b0bf23f01cb" xlink:href="exc-20220930.xsd#exc_ChangeinReceivablesFromPayablesToAffiliatesNet"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_2c720dad-5d06-4ba4-b9d6-1a28cfcf67a8" xlink:to="loc_exc_ChangeinReceivablesFromPayablesToAffiliatesNet_c849c840-84d8-4ea7-b212-1b0bf23f01cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_298d1939-d6f2-436c-999c-752886484946" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInInventories"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_2c720dad-5d06-4ba4-b9d6-1a28cfcf67a8" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_298d1939-d6f2-436c-999c-752886484946" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_b3cf0841-536f-4f1d-a1bf-04de5ab3c3ae" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_2c720dad-5d06-4ba4-b9d6-1a28cfcf67a8" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_b3cf0841-536f-4f1d-a1bf-04de5ab3c3ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ChangesInOptionPremiumsCollectedReceived_7ab46691-b9b2-40c9-805b-d574cbefee8a" xlink:href="exc-20220930.xsd#exc_ChangesInOptionPremiumsCollectedReceived"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_2c720dad-5d06-4ba4-b9d6-1a28cfcf67a8" xlink:to="loc_exc_ChangesInOptionPremiumsCollectedReceived_7ab46691-b9b2-40c9-805b-d574cbefee8a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseCashCollateralFromCounterparties_8a7661fa-7a8a-49cb-9c66-a4d8778e4147" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseCashCollateralFromCounterparties"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_2c720dad-5d06-4ba4-b9d6-1a28cfcf67a8" xlink:to="loc_us-gaap_IncreaseDecreaseCashCollateralFromCounterparties_8a7661fa-7a8a-49cb-9c66-a4d8778e4147" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_fe5b2f7e-5d68-4312-831a-924f41a8a43f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_2c720dad-5d06-4ba4-b9d6-1a28cfcf67a8" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_fe5b2f7e-5d68-4312-831a-924f41a8a43f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInRegulatoryAssetsAndLiabilities_7a467ad3-cb75-4599-a33b-63c6217777d5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInRegulatoryAssetsAndLiabilities"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_2c720dad-5d06-4ba4-b9d6-1a28cfcf67a8" xlink:to="loc_us-gaap_IncreaseDecreaseInRegulatoryAssetsAndLiabilities_7a467ad3-cb75-4599-a33b-63c6217777d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitContributions_67f02280-fee4-444e-981d-727e34686f1a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributions"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_2c720dad-5d06-4ba4-b9d6-1a28cfcf67a8" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitContributions_67f02280-fee4-444e-981d-727e34686f1a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_d0a07941-85a2-40df-9bd7-eb659bf77b98" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_2c720dad-5d06-4ba4-b9d6-1a28cfcf67a8" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_d0a07941-85a2-40df-9bd7-eb659bf77b98" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a4f55ae5-5ac7-4d93-904a-bece4a94f42a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_c1a6b9a7-9c5f-476b-895d-018e577a1507" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_a4f55ae5-5ac7-4d93-904a-bece4a94f42a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_8d37c0aa-6614-4c5a-a56d-2c24e9d4ae62" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_f6c28973-6fdf-46fc-af17-77c7fe06626c" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_8d37c0aa-6614-4c5a-a56d-2c24e9d4ae62" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_65ed4d90-6e11-4cc4-84b2-452a9c963399" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_8d37c0aa-6614-4c5a-a56d-2c24e9d4ae62" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_65ed4d90-6e11-4cc4-84b2-452a9c963399" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseDueFromAffiliates_549ba9e8-fef2-46c8-ad95-a8b790738131" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseDueFromAffiliates"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_8d37c0aa-6614-4c5a-a56d-2c24e9d4ae62" xlink:to="loc_us-gaap_IncreaseDecreaseDueFromAffiliates_549ba9e8-fef2-46c8-ad95-a8b790738131" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_995071f5-afe9-44a1-ba44-5cc483403242" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_8d37c0aa-6614-4c5a-a56d-2c24e9d4ae62" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_995071f5-afe9-44a1-ba44-5cc483403242" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireOtherInvestments_fd09c3b9-4381-4322-afc7-ccb6e90a4a64" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquireOtherInvestments"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_8d37c0aa-6614-4c5a-a56d-2c24e9d4ae62" xlink:to="loc_us-gaap_PaymentsToAcquireOtherInvestments_fd09c3b9-4381-4322-afc7-ccb6e90a4a64" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables_977bf4da-f4b7-42b9-afcb-2917a4cbc973" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_8d37c0aa-6614-4c5a-a56d-2c24e9d4ae62" xlink:to="loc_us-gaap_ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables_977bf4da-f4b7-42b9-afcb-2917a4cbc973" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyHeldForSale_9f0c98eb-4526-4c22-8612-06940f4e2e76" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromSaleOfPropertyHeldForSale"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_8d37c0aa-6614-4c5a-a56d-2c24e9d4ae62" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyHeldForSale_9f0c98eb-4526-4c22-8612-06940f4e2e76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_95b7f644-d95b-4936-9d51-fa7682e2912f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_8d37c0aa-6614-4c5a-a56d-2c24e9d4ae62" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_95b7f644-d95b-4936-9d51-fa7682e2912f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_380b7b28-d79a-4d36-9ef1-3388b526761b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_8d37c0aa-6614-4c5a-a56d-2c24e9d4ae62" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_380b7b28-d79a-4d36-9ef1-3388b526761b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_a6112d0d-10b5-43ee-b868-f42be876715d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_f6c28973-6fdf-46fc-af17-77c7fe06626c" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_a6112d0d-10b5-43ee-b868-f42be876715d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess_c283e723-ec94-4da9-a04b-9f469b6bd43c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_a6112d0d-10b5-43ee-b868-f42be876715d" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess_c283e723-ec94-4da9-a04b-9f469b6bd43c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths_946b9c14-7d0f-423d-9103-773d178db87b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_a6112d0d-10b5-43ee-b868-f42be876715d" xlink:to="loc_us-gaap_ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths_946b9c14-7d0f-423d-9103-773d178db87b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths_5c5923c7-a7da-4138-835e-15a60aece1f1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_a6112d0d-10b5-43ee-b868-f42be876715d" xlink:to="loc_us-gaap_RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths_5c5923c7-a7da-4138-835e-15a60aece1f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_06854494-4eb3-49ef-91e9-9b77b3264168" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_a6112d0d-10b5-43ee-b868-f42be876715d" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_06854494-4eb3-49ef-91e9-9b77b3264168" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_ed7b045f-4c62-4635-b83e-c461ad2976e0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_a6112d0d-10b5-43ee-b868-f42be876715d" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_ed7b045f-4c62-4635-b83e-c461ad2976e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_2fa6e133-3895-428d-b05b-ca0a7d51ae81" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_a6112d0d-10b5-43ee-b868-f42be876715d" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_2fa6e133-3895-428d-b05b-ca0a7d51ae81" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDueToAffiliatesCurrent_a5f606f8-ca15-4894-baea-543e147ba414" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInDueToAffiliatesCurrent"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_a6112d0d-10b5-43ee-b868-f42be876715d" xlink:to="loc_us-gaap_IncreaseDecreaseInDueToAffiliatesCurrent_a5f606f8-ca15-4894-baea-543e147ba414" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDistributionsToAffiliates_fbcd35c1-7d14-423a-abc8-270ae98db9e3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsOfDistributionsToAffiliates"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_a6112d0d-10b5-43ee-b868-f42be876715d" xlink:to="loc_us-gaap_PaymentsOfDistributionsToAffiliates_fbcd35c1-7d14-423a-abc8-270ae98db9e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromContributionsFromAffiliates_6cfc8703-d6b9-4b84-a602-ded5858a8097" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromContributionsFromAffiliates"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_a6112d0d-10b5-43ee-b868-f42be876715d" xlink:to="loc_us-gaap_ProceedsFromContributionsFromAffiliates_6cfc8703-d6b9-4b84-a602-ded5858a8097" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_b03e5a94-630d-4785-a3d4-94bbd2e2e22e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_a6112d0d-10b5-43ee-b868-f42be876715d" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_b03e5a94-630d-4785-a3d4-94bbd2e2e22e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_8332f0dd-258a-4813-a2dc-15ac3c86722e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_a6112d0d-10b5-43ee-b868-f42be876715d" xlink:to="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_8332f0dd-258a-4813-a2dc-15ac3c86722e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromContributionsFromParent_0bc58662-64b3-4d80-9592-66597bb9403c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromContributionsFromParent"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_a6112d0d-10b5-43ee-b868-f42be876715d" xlink:to="loc_us-gaap_ProceedsFromContributionsFromParent_0bc58662-64b3-4d80-9592-66597bb9403c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockPlans_fea0b2ee-adb8-4dc9-89b1-f6cd0884c151" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromStockPlans"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_a6112d0d-10b5-43ee-b868-f42be876715d" xlink:to="loc_us-gaap_ProceedsFromStockPlans_fea0b2ee-adb8-4dc9-89b1-f6cd0884c151" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_TransferOfCashRestrictedCashAndCashEquivalentsToConstellation_ef014262-741e-473e-b18b-257d4cbef3c7" xlink:href="exc-20220930.xsd#exc_TransferOfCashRestrictedCashAndCashEquivalentsToConstellation"/>
<link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_a6112d0d-10b5-43ee-b868-f42be876715d" xlink:to="loc_exc_TransferOfCashRestrictedCashAndCashEquivalentsToConstellation_ef014262-741e-473e-b18b-257d4cbef3c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_b72684da-2b07-4a5d-9ec3-652b691c5af7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
<link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_a6112d0d-10b5-43ee-b868-f42be876715d" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_b72684da-2b07-4a5d-9ec3-652b691c5af7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ee086d5e-6567-4a0c-8a55-fb14b41dc5cf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_a6112d0d-10b5-43ee-b868-f42be876715d" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ee086d5e-6567-4a0c-8a55-fb14b41dc5cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_3e2b6791-3a12-4fd8-a3e1-23cd30875c24" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_f6c28973-6fdf-46fc-af17-77c7fe06626c" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_3e2b6791-3a12-4fd8-a3e1-23cd30875c24" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_6022b701-a29d-4e43-af57-57dba7ba4ce6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_f6c28973-6fdf-46fc-af17-77c7fe06626c" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_6022b701-a29d-4e43-af57-57dba7ba4ce6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_c80bba06-b51f-4046-b514-83f6c7fa4184" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_f6c28973-6fdf-46fc-af17-77c7fe06626c" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_c80bba06-b51f-4046-b514-83f6c7fa4184" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_0a725bb4-7912-4eb8-857b-bdaf135c120f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SupplementalCashFlowInformationAbstract"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_f6c28973-6fdf-46fc-af17-77c7fe06626c" xlink:to="loc_us-gaap_SupplementalCashFlowInformationAbstract_0a725bb4-7912-4eb8-857b-bdaf135c120f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ChangeinCapitalExpendituresIncurredButNotYetPaid_f6b0edef-cee5-4f13-ad99-2f383f22ea13" xlink:href="exc-20220930.xsd#exc_ChangeinCapitalExpendituresIncurredButNotYetPaid"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_0a725bb4-7912-4eb8-857b-bdaf135c120f" xlink:to="loc_exc_ChangeinCapitalExpendituresIncurredButNotYetPaid_f6b0edef-cee5-4f13-ad99-2f383f22ea13" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalDeferredPurchasePrice_6a79127c-98af-467c-8d7e-5f95cb042021" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SupplementalDeferredPurchasePrice"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_0a725bb4-7912-4eb8-857b-bdaf135c120f" xlink:to="loc_us-gaap_SupplementalDeferredPurchasePrice_6a79127c-98af-467c-8d7e-5f95cb042021" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsIncurredAssetRetirementObligationIncurred_400c1fa8-0aa6-4362-85cc-50f01deca417" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostsIncurredAssetRetirementObligationIncurred"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_0a725bb4-7912-4eb8-857b-bdaf135c120f" xlink:to="loc_us-gaap_CostsIncurredAssetRetirementObligationIncurred_400c1fa8-0aa6-4362-85cc-50f01deca417" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/ConsolidatedBalanceSheetsUnaudited" xlink:type="simple" xlink:href="exc-20220930.xsd#ConsolidatedBalanceSheetsUnaudited"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/ConsolidatedBalanceSheetsUnaudited" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_7ef1a3c3-eae9-4bb4-8ee9-73191d847fae" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementOfFinancialPositionAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_34dae7eb-4803-404d-9793-2d886ef36f61" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_7ef1a3c3-eae9-4bb4-8ee9-73191d847fae" xlink:to="loc_us-gaap_StatementTable_34dae7eb-4803-404d-9793-2d886ef36f61" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_46eef8e0-5c0e-4573-bd33-1388aa3d4053" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_34dae7eb-4803-404d-9793-2d886ef36f61" xlink:to="loc_dei_LegalEntityAxis_46eef8e0-5c0e-4573-bd33-1388aa3d4053" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_1c85bb0b-e401-42db-90b5-f52edc54be62" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_46eef8e0-5c0e-4573-bd33-1388aa3d4053" xlink:to="loc_dei_EntityDomain_1c85bb0b-e401-42db-90b5-f52edc54be62" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_deb8cab8-a937-4cec-a913-3b03fd90bc7e" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1c85bb0b-e401-42db-90b5-f52edc54be62" xlink:to="loc_exc_CommonwealthEdisonCoMember_deb8cab8-a937-4cec-a913-3b03fd90bc7e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_79b9d296-6478-4c95-9c58-bbf1176fdf0c" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1c85bb0b-e401-42db-90b5-f52edc54be62" xlink:to="loc_exc_PecoEnergyCoMember_79b9d296-6478-4c95-9c58-bbf1176fdf0c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_05625296-ec87-426c-b453-45c2ac534a45" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1c85bb0b-e401-42db-90b5-f52edc54be62" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_05625296-ec87-426c-b453-45c2ac534a45" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_7296ae6a-613b-4f9c-9dbd-f250af8e2e74" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1c85bb0b-e401-42db-90b5-f52edc54be62" xlink:to="loc_exc_PepcoHoldingsLLCMember_7296ae6a-613b-4f9c-9dbd-f250af8e2e74" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_3bd72a62-aa38-4011-a82b-328e08b4b290" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1c85bb0b-e401-42db-90b5-f52edc54be62" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_3bd72a62-aa38-4011-a82b-328e08b4b290" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_c601671b-df40-41fb-999b-59d3de07dda2" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1c85bb0b-e401-42db-90b5-f52edc54be62" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_c601671b-df40-41fb-999b-59d3de07dda2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_dd27131e-7a59-4d56-9563-ec9e47366caa" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1c85bb0b-e401-42db-90b5-f52edc54be62" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_dd27131e-7a59-4d56-9563-ec9e47366caa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_fbb95fca-e49b-4b30-8803-d6037a818de5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_34dae7eb-4803-404d-9793-2d886ef36f61" xlink:to="loc_us-gaap_StatementLineItems_fbb95fca-e49b-4b30-8803-d6037a818de5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_b39449da-5156-4fc9-b8ef-182f64bb3e21" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsAbstract"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fbb95fca-e49b-4b30-8803-d6037a818de5" xlink:to="loc_us-gaap_AssetsAbstract_b39449da-5156-4fc9-b8ef-182f64bb3e21" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_beb666f5-63ac-42e2-8d17-528b81ff7bcd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsCurrentAbstract"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_b39449da-5156-4fc9-b8ef-182f64bb3e21" xlink:to="loc_us-gaap_AssetsCurrentAbstract_beb666f5-63ac-42e2-8d17-528b81ff7bcd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_2df5cf8f-09d5-4abf-8831-08af0f7eeff0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_beb666f5-63ac-42e2-8d17-528b81ff7bcd" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_2df5cf8f-09d5-4abf-8831-08af0f7eeff0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_ad14e440-74b7-4a17-aa2b-0ba9fb9c88e5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_beb666f5-63ac-42e2-8d17-528b81ff7bcd" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_ad14e440-74b7-4a17-aa2b-0ba9fb9c88e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrentAbstract_35a440f9-5650-45c7-b516-d0c00395ecdf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableNetCurrentAbstract"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_beb666f5-63ac-42e2-8d17-528b81ff7bcd" xlink:to="loc_us-gaap_AccountsReceivableNetCurrentAbstract_35a440f9-5650-45c7-b516-d0c00395ecdf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_df48d8f6-0800-4d28-a958-8a1fc2222b4a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableGrossCurrent"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_35a440f9-5650-45c7-b516-d0c00395ecdf" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_df48d8f6-0800-4d28-a958-8a1fc2222b4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_951626cd-b4c4-4038-9abb-7da7a96391f1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_35a440f9-5650-45c7-b516-d0c00395ecdf" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_951626cd-b4c4-4038-9abb-7da7a96391f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_971c46a5-24be-4e1c-8e06-3a6afa5e956b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableNetCurrent"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_35a440f9-5650-45c7-b516-d0c00395ecdf" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_971c46a5-24be-4e1c-8e06-3a6afa5e956b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivablesGrossCurrent_f1d66e80-e229-409e-a712-ea7d3bf686c2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherReceivablesGrossCurrent"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_35a440f9-5650-45c7-b516-d0c00395ecdf" xlink:to="loc_us-gaap_OtherReceivablesGrossCurrent_f1d66e80-e229-409e-a712-ea7d3bf686c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent_ab7cb074-7413-4e50-9b38-e7836ed05e36" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_35a440f9-5650-45c7-b516-d0c00395ecdf" xlink:to="loc_us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent_ab7cb074-7413-4e50-9b38-e7836ed05e36" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivablesNetCurrent_6c900730-646f-4103-9d13-7a7c5640b4d9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherReceivablesNetCurrent"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_35a440f9-5650-45c7-b516-d0c00395ecdf" xlink:to="loc_us-gaap_OtherReceivablesNetCurrent_6c900730-646f-4103-9d13-7a7c5640b4d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_19ca2a81-420a-405f-b237-071b5e8b3457" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableRelatedPartiesCurrent"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_beb666f5-63ac-42e2-8d17-528b81ff7bcd" xlink:to="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_19ca2a81-420a-405f-b237-071b5e8b3457" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueFromAffiliateCurrent_f16e907f-18c3-49cd-bc3a-1a58227f5540" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DueFromAffiliateCurrent"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_beb666f5-63ac-42e2-8d17-528b81ff7bcd" xlink:to="loc_us-gaap_DueFromAffiliateCurrent_f16e907f-18c3-49cd-bc3a-1a58227f5540" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNetAbstract_49079135-139f-47ce-a1db-b4d149984726" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryNetAbstract"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_beb666f5-63ac-42e2-8d17-528b81ff7bcd" xlink:to="loc_us-gaap_InventoryNetAbstract_49079135-139f-47ce-a1db-b4d149984726" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyRelatedInventoryNaturalGasInStorage_4a587ccf-6d5b-4371-8b1c-b09fa68402f5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EnergyRelatedInventoryNaturalGasInStorage"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryNetAbstract_49079135-139f-47ce-a1db-b4d149984726" xlink:to="loc_us-gaap_EnergyRelatedInventoryNaturalGasInStorage_4a587ccf-6d5b-4371-8b1c-b09fa68402f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_2e08a92d-085b-45cb-bf03-b2505aa033bf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryNetAbstract_49079135-139f-47ce-a1db-b4d149984726" xlink:to="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_2e08a92d-085b-45cb-bf03-b2505aa033bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_0caa4ed6-3267-4a03-b81e-7d7e672a8d44" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryNet"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryNetAbstract_49079135-139f-47ce-a1db-b4d149984726" xlink:to="loc_us-gaap_InventoryNet_0caa4ed6-3267-4a03-b81e-7d7e672a8d44" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidTaxes_ee71b352-4811-4753-ad87-63b5244f3a86" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PrepaidTaxes"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_beb666f5-63ac-42e2-8d17-528b81ff7bcd" xlink:to="loc_us-gaap_PrepaidTaxes_ee71b352-4811-4753-ad87-63b5244f3a86" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetsCurrent_28f295ca-1411-40e7-95ad-3ca476f6608a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatoryAssetsCurrent"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_beb666f5-63ac-42e2-8d17-528b81ff7bcd" xlink:to="loc_us-gaap_RegulatoryAssetsCurrent_28f295ca-1411-40e7-95ad-3ca476f6608a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RenewableEnergyCreditsCurrent_2efe12b5-f24e-4599-bf60-7ce92dafc994" xlink:href="exc-20220930.xsd#exc_RenewableEnergyCreditsCurrent"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_beb666f5-63ac-42e2-8d17-528b81ff7bcd" xlink:to="loc_exc_RenewableEnergyCreditsCurrent_2efe12b5-f24e-4599-bf60-7ce92dafc994" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_8dbbaa99-683b-4ef6-90d7-071fa815cd1f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAssetsCurrent"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_beb666f5-63ac-42e2-8d17-528b81ff7bcd" xlink:to="loc_us-gaap_OtherAssetsCurrent_8dbbaa99-683b-4ef6-90d7-071fa815cd1f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_4aaad826-1547-45b8-8e2e-eb740f3c0977" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_beb666f5-63ac-42e2-8d17-528b81ff7bcd" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_4aaad826-1547-45b8-8e2e-eb740f3c0977" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_2e6e643e-626a-4a62-998a-c25afd2be3dc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsCurrent"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_beb666f5-63ac-42e2-8d17-528b81ff7bcd" xlink:to="loc_us-gaap_AssetsCurrent_2e6e643e-626a-4a62-998a-c25afd2be3dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_dccf9b30-f189-4b5c-a148-87bb68e17248" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_b39449da-5156-4fc9-b8ef-182f64bb3e21" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_dccf9b30-f189-4b5c-a148-87bb68e17248" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_1a10c532-5633-42ad-bd98-f4335b0075d3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_b39449da-5156-4fc9-b8ef-182f64bb3e21" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_1a10c532-5633-42ad-bd98-f4335b0075d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrentAbstract_3ef322d3-d1bb-46f2-a8c3-d73920eb2981" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAssetsNoncurrentAbstract"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_b39449da-5156-4fc9-b8ef-182f64bb3e21" xlink:to="loc_us-gaap_OtherAssetsNoncurrentAbstract_3ef322d3-d1bb-46f2-a8c3-d73920eb2981" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetsNoncurrent_5eeae805-c468-40ef-8fb4-08cd145cf263" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatoryAssetsNoncurrent"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_3ef322d3-d1bb-46f2-a8c3-d73920eb2981" xlink:to="loc_us-gaap_RegulatoryAssetsNoncurrent_5eeae805-c468-40ef-8fb4-08cd145cf263" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_22178060-3402-433e-b8ce-488902f6c103" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Goodwill"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_3ef322d3-d1bb-46f2-a8c3-d73920eb2981" xlink:to="loc_us-gaap_Goodwill_22178060-3402-433e-b8ce-488902f6c103" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableRelatedPartiesNoncurrent_67e7c2ff-cf4a-4554-8831-1ec36b5ab558" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableRelatedPartiesNoncurrent"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_3ef322d3-d1bb-46f2-a8c3-d73920eb2981" xlink:to="loc_us-gaap_AccountsReceivableRelatedPartiesNoncurrent_67e7c2ff-cf4a-4554-8831-1ec36b5ab558" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NontradeReceivablesNoncurrent_ba58833f-c4b7-4ecc-a0fd-05e528e8af85" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NontradeReceivablesNoncurrent"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_3ef322d3-d1bb-46f2-a8c3-d73920eb2981" xlink:to="loc_us-gaap_NontradeReceivablesNoncurrent_ba58833f-c4b7-4ecc-a0fd-05e528e8af85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermInvestments_f80a3500-4ba5-46df-9956-74b7b9598e0b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermInvestments"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_3ef322d3-d1bb-46f2-a8c3-d73920eb2981" xlink:to="loc_us-gaap_LongTermInvestments_f80a3500-4ba5-46df-9956-74b7b9598e0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_a11ce477-26fd-4228-ac46-2c85035ed0a8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_3ef322d3-d1bb-46f2-a8c3-d73920eb2981" xlink:to="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_a11ce477-26fd-4228-ac46-2c85035ed0a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_9282be82-3df9-49eb-a2ca-5c4459add4c7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_3ef322d3-d1bb-46f2-a8c3-d73920eb2981" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_9282be82-3df9-49eb-a2ca-5c4459add4c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_695d5d89-a9df-41de-b7ee-0e17d614a8ec" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAssetsNoncurrent"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_3ef322d3-d1bb-46f2-a8c3-d73920eb2981" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_695d5d89-a9df-41de-b7ee-0e17d614a8ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_446230f1-1ef1-4121-98c8-736e568e8955" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_3ef322d3-d1bb-46f2-a8c3-d73920eb2981" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_446230f1-1ef1-4121-98c8-736e568e8955" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCostsAndOtherAssets_d01e9e56-5c2c-41ac-9151-5eef42a945c8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredCostsAndOtherAssets"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_3ef322d3-d1bb-46f2-a8c3-d73920eb2981" xlink:to="loc_us-gaap_DeferredCostsAndOtherAssets_d01e9e56-5c2c-41ac-9151-5eef42a945c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_0d5e0220-ea87-4076-8891-9faf17dea0d8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Assets"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_b39449da-5156-4fc9-b8ef-182f64bb3e21" xlink:to="loc_us-gaap_Assets_0d5e0220-ea87-4076-8891-9faf17dea0d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7ca4ae3-5c75-4164-85a4-02e3fe567fa6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fbb95fca-e49b-4b30-8803-d6037a818de5" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7ca4ae3-5c75-4164-85a4-02e3fe567fa6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_5cb49408-7e13-4b5f-b5ee-57763f8e3b05" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7ca4ae3-5c75-4164-85a4-02e3fe567fa6" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_5cb49408-7e13-4b5f-b5ee-57763f8e3b05" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_f6a9927d-9d31-4ed5-9e2b-56885b504757" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortTermBorrowings"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_5cb49408-7e13-4b5f-b5ee-57763f8e3b05" xlink:to="loc_us-gaap_ShortTermBorrowings_f6a9927d-9d31-4ed5-9e2b-56885b504757" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_1064de21-e87e-4b7c-b74a-016bd132c8ca" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_5cb49408-7e13-4b5f-b5ee-57763f8e3b05" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_1064de21-e87e-4b7c-b74a-016bd132c8ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_82e278b8-dd12-44ee-8e81-a2d56264a2ab" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsPayableCurrent"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_5cb49408-7e13-4b5f-b5ee-57763f8e3b05" xlink:to="loc_us-gaap_AccountsPayableCurrent_82e278b8-dd12-44ee-8e81-a2d56264a2ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_4f6742b3-d71a-4256-9452-ef1070814373" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_5cb49408-7e13-4b5f-b5ee-57763f8e3b05" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_4f6742b3-d71a-4256-9452-ef1070814373" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_dca81949-9f2b-46c2-b757-96c19ccd7670" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsPayableRelatedPartiesCurrent"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_5cb49408-7e13-4b5f-b5ee-57763f8e3b05" xlink:to="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_dca81949-9f2b-46c2-b757-96c19ccd7670" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueToAffiliateCurrent_77a8cbd9-f344-4798-8c80-dacd1147fdab" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DueToAffiliateCurrent"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_5cb49408-7e13-4b5f-b5ee-57763f8e3b05" xlink:to="loc_us-gaap_DueToAffiliateCurrent_77a8cbd9-f344-4798-8c80-dacd1147fdab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerRefundLiabilityCurrent_8b2f377a-f436-41fb-b03d-7fcaf2276f40" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerRefundLiabilityCurrent"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_5cb49408-7e13-4b5f-b5ee-57763f8e3b05" xlink:to="loc_us-gaap_ContractWithCustomerRefundLiabilityCurrent_8b2f377a-f436-41fb-b03d-7fcaf2276f40" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityCurrent_90725dc4-4755-47ac-ad8e-782d47e0ab0b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatoryLiabilityCurrent"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_5cb49408-7e13-4b5f-b5ee-57763f8e3b05" xlink:to="loc_us-gaap_RegulatoryLiabilityCurrent_90725dc4-4755-47ac-ad8e-782d47e0ab0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_841794b0-bc99-4c90-8915-cfabbe07bc3c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeLiabilitiesCurrent"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_5cb49408-7e13-4b5f-b5ee-57763f8e3b05" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_841794b0-bc99-4c90-8915-cfabbe07bc3c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyMarketingContractLiabilitiesCurrent_de9c6eef-9efc-4818-80aa-a28494a3fafc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EnergyMarketingContractLiabilitiesCurrent"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_5cb49408-7e13-4b5f-b5ee-57763f8e3b05" xlink:to="loc_us-gaap_EnergyMarketingContractLiabilitiesCurrent_de9c6eef-9efc-4818-80aa-a28494a3fafc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligation_a7477668-9283-4dfa-970d-65777e2e1e6e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractualObligation"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_5cb49408-7e13-4b5f-b5ee-57763f8e3b05" xlink:to="loc_us-gaap_ContractualObligation_a7477668-9283-4dfa-970d-65777e2e1e6e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_PayablesToCustomers_b0e858e9-0ad2-48c2-b1fc-c851c31d99fc" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_PayablesToCustomers"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_5cb49408-7e13-4b5f-b5ee-57763f8e3b05" xlink:to="loc_srt_PayablesToCustomers_b0e858e9-0ad2-48c2-b1fc-c851c31d99fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilities_7d03e261-3dc5-4dab-90c0-13ff7c81451d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedLiabilitiesAndOtherLiabilities"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_5cb49408-7e13-4b5f-b5ee-57763f8e3b05" xlink:to="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilities_7d03e261-3dc5-4dab-90c0-13ff7c81451d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_49dc7af1-9491-4e0e-a5c0-0d083cf6df8d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherLiabilitiesCurrent"/>
<link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_5cb49408-7e13-4b5f-b5ee-57763f8e3b05" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_49dc7af1-9491-4e0e-a5c0-0d083cf6df8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_d2cffb72-82e9-406b-98d1-03677dd51f9d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
<link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_5cb49408-7e13-4b5f-b5ee-57763f8e3b05" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_d2cffb72-82e9-406b-98d1-03677dd51f9d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_5f48f4b3-524d-41b7-8b84-227d2b436e3f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesCurrent"/>
<link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_5cb49408-7e13-4b5f-b5ee-57763f8e3b05" xlink:to="loc_us-gaap_LiabilitiesCurrent_5f48f4b3-524d-41b7-8b84-227d2b436e3f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_27f6599b-20e6-433c-a71d-8214b541d503" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtNoncurrent"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7ca4ae3-5c75-4164-85a4-02e3fe567fa6" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_27f6599b-20e6-433c-a71d-8214b541d503" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueToAffiliateNoncurrent_c0509dd2-9cbd-416a-8bd6-9de4745b7c7e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DueToAffiliateNoncurrent"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7ca4ae3-5c75-4164-85a4-02e3fe567fa6" xlink:to="loc_us-gaap_DueToAffiliateNoncurrent_c0509dd2-9cbd-416a-8bd6-9de4745b7c7e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_9686145c-f6d1-4d13-ba3b-13e8cd23684e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherLiabilitiesNoncurrentAbstract"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7ca4ae3-5c75-4164-85a4-02e3fe567fa6" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_9686145c-f6d1-4d13-ba3b-13e8cd23684e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent_9eb126bc-d682-4200-a92e-fc1b5a9988e4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_9686145c-f6d1-4d13-ba3b-13e8cd23684e" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent_9eb126bc-d682-4200-a92e-fc1b5a9988e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityNoncurrent_43763aeb-11e8-42d5-9d1c-67138dd4df6a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatoryLiabilityNoncurrent"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_9686145c-f6d1-4d13-ba3b-13e8cd23684e" xlink:to="loc_us-gaap_RegulatoryLiabilityNoncurrent_43763aeb-11e8-42d5-9d1c-67138dd4df6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationsNoncurrent_c44af98d-da6d-461f-b900-a8d18dee1dfd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetRetirementObligationsNoncurrent"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_9686145c-f6d1-4d13-ba3b-13e8cd23684e" xlink:to="loc_us-gaap_AssetRetirementObligationsNoncurrent_c44af98d-da6d-461f-b900-a8d18dee1dfd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_f801bb7f-037f-434a-aac0-800cbdd94cd3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_9686145c-f6d1-4d13-ba3b-13e8cd23684e" xlink:to="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_f801bb7f-037f-434a-aac0-800cbdd94cd3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent_144c0411-e21d-4c45-8471-7c27e909413b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_9686145c-f6d1-4d13-ba3b-13e8cd23684e" xlink:to="loc_us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent_144c0411-e21d-4c45-8471-7c27e909413b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_49b0d7a8-c0ee-4312-ae82-9e5a12ff10cb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeLiabilitiesNoncurrent"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_9686145c-f6d1-4d13-ba3b-13e8cd23684e" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_49b0d7a8-c0ee-4312-ae82-9e5a12ff10cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyMarketingContractLiabilitiesNoncurrent_f5d6a0bd-8c92-4659-9120-178e6cfcc13a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EnergyMarketingContractLiabilitiesNoncurrent"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_9686145c-f6d1-4d13-ba3b-13e8cd23684e" xlink:to="loc_us-gaap_EnergyMarketingContractLiabilitiesNoncurrent_f5d6a0bd-8c92-4659-9120-178e6cfcc13a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_58d43a6a-2af8-49e1-bee6-7c601a5f3bb8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_9686145c-f6d1-4d13-ba3b-13e8cd23684e" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_58d43a6a-2af8-49e1-bee6-7c601a5f3bb8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_4b5f23a1-c91f-46af-8dd6-5f76e5bbd6a2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_9686145c-f6d1-4d13-ba3b-13e8cd23684e" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_4b5f23a1-c91f-46af-8dd6-5f76e5bbd6a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCreditsAndOtherLiabilities_eee9bc85-6101-4571-bf75-b1589bb2152c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredCreditsAndOtherLiabilities"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_9686145c-f6d1-4d13-ba3b-13e8cd23684e" xlink:to="loc_us-gaap_DeferredCreditsAndOtherLiabilities_eee9bc85-6101-4571-bf75-b1589bb2152c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_a3e87ad3-64c0-4e64-8c70-83cc8b23f00d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Liabilities"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7ca4ae3-5c75-4164-85a4-02e3fe567fa6" xlink:to="loc_us-gaap_Liabilities_a3e87ad3-64c0-4e64-8c70-83cc8b23f00d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_5e692f64-e209-4a76-86c4-2f3e73adda0c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommitmentsAndContingencies"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7ca4ae3-5c75-4164-85a4-02e3fe567fa6" xlink:to="loc_us-gaap_CommitmentsAndContingencies_5e692f64-e209-4a76-86c4-2f3e73adda0c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityAbstract_d4f169aa-1de2-4403-adfe-18ff9692e521" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityAbstract"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7ca4ae3-5c75-4164-85a4-02e3fe567fa6" xlink:to="loc_us-gaap_StockholdersEquityAbstract_d4f169aa-1de2-4403-adfe-18ff9692e521" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockNoParValue_f881dec0-3a0b-42d6-9f76-63b66c2c44bc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockNoParValue"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_d4f169aa-1de2-4403-adfe-18ff9692e521" xlink:to="loc_us-gaap_CommonStockNoParValue_f881dec0-3a0b-42d6-9f76-63b66c2c44bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_63d952d0-e3f0-4b52-9919-d923a5e69af0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesAuthorized"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_d4f169aa-1de2-4403-adfe-18ff9692e521" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_63d952d0-e3f0-4b52-9919-d923a5e69af0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_88b67421-99a0-409d-9c68-0bb5798130ab" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesOutstanding"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_d4f169aa-1de2-4403-adfe-18ff9692e521" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_88b67421-99a0-409d-9c68-0bb5798130ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_97f7ea35-1f5c-4d15-9d72-31f8f1079d99" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockValue"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_d4f169aa-1de2-4403-adfe-18ff9692e521" xlink:to="loc_us-gaap_CommonStockValue_97f7ea35-1f5c-4d15-9d72-31f8f1079d99" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockShares_9f8c1ac9-e7b9-4c79-92dd-08fa600281e6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TreasuryStockShares"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_d4f169aa-1de2-4403-adfe-18ff9692e521" xlink:to="loc_us-gaap_TreasuryStockShares_9f8c1ac9-e7b9-4c79-92dd-08fa600281e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_5e33d5ec-65b6-4b1a-8ef2-21ee0ca6e096" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TreasuryStockValue"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_d4f169aa-1de2-4403-adfe-18ff9692e521" xlink:to="loc_us-gaap_TreasuryStockValue_5e33d5ec-65b6-4b1a-8ef2-21ee0ca6e096" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_6bd58277-20f5-4dc5-af4f-04ef4ac707e1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_d4f169aa-1de2-4403-adfe-18ff9692e521" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_6bd58277-20f5-4dc5-af4f-04ef4ac707e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_24e60951-2d1d-4472-afc6-4ecbc9f34bad" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdditionalPaidInCapital"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_d4f169aa-1de2-4403-adfe-18ff9692e521" xlink:to="loc_us-gaap_AdditionalPaidInCapital_24e60951-2d1d-4472-afc6-4ecbc9f34bad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_40880143-451e-4c34-9e7e-bc602851a937" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_d4f169aa-1de2-4403-adfe-18ff9692e521" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_40880143-451e-4c34-9e7e-bc602851a937" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_1fadfc05-3051-479f-bf25-56c00ac9171b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_d4f169aa-1de2-4403-adfe-18ff9692e521" xlink:to="loc_us-gaap_StockholdersEquity_1fadfc05-3051-479f-bf25-56c00ac9171b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_MembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_c80abcb7-06e6-4df0-9a18-10eaeb54e887" xlink:href="exc-20220930.xsd#exc_MembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7ca4ae3-5c75-4164-85a4-02e3fe567fa6" xlink:to="loc_exc_MembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_c80abcb7-06e6-4df0-9a18-10eaeb54e887" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MembersEquityAbstract_51e6e812-144e-483f-8606-a206dcb6f487" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MembersEquityAbstract"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_MembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_c80abcb7-06e6-4df0-9a18-10eaeb54e887" xlink:to="loc_us-gaap_MembersEquityAbstract_51e6e812-144e-483f-8606-a206dcb6f487" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MembersCapital_36fe34a4-4a87-4c84-b08b-55b1de9fc171" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MembersCapital"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MembersEquityAbstract_51e6e812-144e-483f-8606-a206dcb6f487" xlink:to="loc_us-gaap_MembersCapital_36fe34a4-4a87-4c84-b08b-55b1de9fc171" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MembersEquity_3dee3022-f379-4e26-a5fa-3ffb4ecd623e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MembersEquity"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MembersEquityAbstract_51e6e812-144e-483f-8606-a206dcb6f487" xlink:to="loc_us-gaap_MembersEquity_3dee3022-f379-4e26-a5fa-3ffb4ecd623e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_18a1e164-000c-4f78-a622-1291781be5cf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MinorityInterest"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7ca4ae3-5c75-4164-85a4-02e3fe567fa6" xlink:to="loc_us-gaap_MinorityInterest_18a1e164-000c-4f78-a622-1291781be5cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_9870338b-18f7-43d7-a56d-2ecdba58f055" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7ca4ae3-5c75-4164-85a4-02e3fe567fa6" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_9870338b-18f7-43d7-a56d-2ecdba58f055" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_97f9d548-5804-455a-86db-b35f29ccd099" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7ca4ae3-5c75-4164-85a4-02e3fe567fa6" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_97f9d548-5804-455a-86db-b35f29ccd099" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/ConsolidatedStatementsofChangesinShareholdersEquityUnaudited" xlink:type="simple" xlink:href="exc-20220930.xsd#ConsolidatedStatementsofChangesinShareholdersEquityUnaudited"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/ConsolidatedStatementsofChangesinShareholdersEquityUnaudited" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_1dc79b39-e908-4537-91fa-77cf2b0362c7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementOfStockholdersEquityAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_124c0c21-c727-4b2a-86f2-8bbefcbbc446" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract_1dc79b39-e908-4537-91fa-77cf2b0362c7" xlink:to="loc_us-gaap_StatementTable_124c0c21-c727-4b2a-86f2-8bbefcbbc446" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_098c450a-5526-4287-a4af-58da2c44fd2c" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_124c0c21-c727-4b2a-86f2-8bbefcbbc446" xlink:to="loc_dei_LegalEntityAxis_098c450a-5526-4287-a4af-58da2c44fd2c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_0574c852-9170-4c89-b211-26a475d8f3b9" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_098c450a-5526-4287-a4af-58da2c44fd2c" xlink:to="loc_dei_EntityDomain_0574c852-9170-4c89-b211-26a475d8f3b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_8ee6dced-03cf-4469-85db-ccfde557dd87" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0574c852-9170-4c89-b211-26a475d8f3b9" xlink:to="loc_exc_CommonwealthEdisonCoMember_8ee6dced-03cf-4469-85db-ccfde557dd87" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_0c893f67-d3ff-47f0-8981-5ac3e718325a" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0574c852-9170-4c89-b211-26a475d8f3b9" xlink:to="loc_exc_PecoEnergyCoMember_0c893f67-d3ff-47f0-8981-5ac3e718325a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_5b508f78-0a79-4da5-b810-3cc4a49195b1" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0574c852-9170-4c89-b211-26a475d8f3b9" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_5b508f78-0a79-4da5-b810-3cc4a49195b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_f3c42d25-d0cd-4f66-a034-0ff4bb6e28ab" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0574c852-9170-4c89-b211-26a475d8f3b9" xlink:to="loc_exc_PepcoHoldingsLLCMember_f3c42d25-d0cd-4f66-a034-0ff4bb6e28ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_698b7cb2-d9e2-4a04-bd12-d416ce87f5b2" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0574c852-9170-4c89-b211-26a475d8f3b9" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_698b7cb2-d9e2-4a04-bd12-d416ce87f5b2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_50f9ad7a-4691-4db8-8ac7-e3ded38d435a" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0574c852-9170-4c89-b211-26a475d8f3b9" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_50f9ad7a-4691-4db8-8ac7-e3ded38d435a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_e9c4fdf3-8698-42bc-a113-51f494cec0ba" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0574c852-9170-4c89-b211-26a475d8f3b9" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_e9c4fdf3-8698-42bc-a113-51f494cec0ba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PEPCOHoldingsIncMember_1a9cd948-8671-4d11-a411-4b3b28ed7bff" xlink:href="exc-20220930.xsd#exc_PEPCOHoldingsIncMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0574c852-9170-4c89-b211-26a475d8f3b9" xlink:to="loc_exc_PEPCOHoldingsIncMember_1a9cd948-8671-4d11-a411-4b3b28ed7bff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_793ee793-e9d6-4948-9443-4255137f4d24" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementEquityComponentsAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_124c0c21-c727-4b2a-86f2-8bbefcbbc446" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_793ee793-e9d6-4948-9443-4255137f4d24" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_c7fbe13a-62d3-43b0-94c9-3cd974d0f667" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_793ee793-e9d6-4948-9443-4255137f4d24" xlink:to="loc_us-gaap_EquityComponentDomain_c7fbe13a-62d3-43b0-94c9-3cd974d0f667" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_1798b1d6-8980-4325-9307-3380783f3738" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_c7fbe13a-62d3-43b0-94c9-3cd974d0f667" xlink:to="loc_us-gaap_CommonStockMember_1798b1d6-8980-4325-9307-3380783f3738" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockMember_6dde9278-b532-4516-adfb-ddcc7d5b7e37" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TreasuryStockMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_c7fbe13a-62d3-43b0-94c9-3cd974d0f667" xlink:to="loc_us-gaap_TreasuryStockMember_6dde9278-b532-4516-adfb-ddcc7d5b7e37" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_d6c61d3d-5e01-462b-b964-27f1f180e565" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_c7fbe13a-62d3-43b0-94c9-3cd974d0f667" xlink:to="loc_us-gaap_RetainedEarningsMember_d6c61d3d-5e01-462b-b964-27f1f180e565" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_4e2dad78-296f-483a-b798-e5fc90ff3c73" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_c7fbe13a-62d3-43b0-94c9-3cd974d0f667" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_4e2dad78-296f-483a-b798-e5fc90ff3c73" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_e13f8959-ed68-44f2-bbc1-d9c33830f757" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NoncontrollingInterestMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_c7fbe13a-62d3-43b0-94c9-3cd974d0f667" xlink:to="loc_us-gaap_NoncontrollingInterestMember_e13f8959-ed68-44f2-bbc1-d9c33830f757" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAdditionalCapitalMember_1d653df5-c108-420a-8030-2b849df18f5f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAdditionalCapitalMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_c7fbe13a-62d3-43b0-94c9-3cd974d0f667" xlink:to="loc_us-gaap_OtherAdditionalCapitalMember_1d653df5-c108-420a-8030-2b849df18f5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_MembershipInterestMember_4ddcb81e-d1a5-4a62-be7c-54301e9bd69f" xlink:href="exc-20220930.xsd#exc_MembershipInterestMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_c7fbe13a-62d3-43b0-94c9-3cd974d0f667" xlink:to="loc_exc_MembershipInterestMember_4ddcb81e-d1a5-4a62-be7c-54301e9bd69f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsUnappropriatedMember_502f84d8-8742-40ab-802b-f005ff2636ed" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsUnappropriatedMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_c7fbe13a-62d3-43b0-94c9-3cd974d0f667" xlink:to="loc_us-gaap_RetainedEarningsUnappropriatedMember_502f84d8-8742-40ab-802b-f005ff2636ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAppropriatedMember_665f6d01-796c-4bdc-9652-ed22e52afcf2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsAppropriatedMember"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_c7fbe13a-62d3-43b0-94c9-3cd974d0f667" xlink:to="loc_us-gaap_RetainedEarningsAppropriatedMember_665f6d01-796c-4bdc-9652-ed22e52afcf2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RestatementAxis_013dfd62-0a37-4d1a-b630-83da1caaa66f" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_124c0c21-c727-4b2a-86f2-8bbefcbbc446" xlink:to="loc_srt_RestatementAxis_013dfd62-0a37-4d1a-b630-83da1caaa66f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain_f1a3cb66-4b00-4f11-ac93-92408e006897" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RestatementAxis_013dfd62-0a37-4d1a-b630-83da1caaa66f" xlink:to="loc_srt_RestatementDomain_f1a3cb66-4b00-4f11-ac93-92408e006897" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RevisionOfPriorPeriodErrorCorrectionAdjustmentMember_235f1035-9c24-4795-9f50-c531efeb403c" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RevisionOfPriorPeriodErrorCorrectionAdjustmentMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RestatementDomain_f1a3cb66-4b00-4f11-ac93-92408e006897" xlink:to="loc_srt_RevisionOfPriorPeriodErrorCorrectionAdjustmentMember_235f1035-9c24-4795-9f50-c531efeb403c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_e82d07a1-2db4-4412-a71d-5d23e798da4d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_124c0c21-c727-4b2a-86f2-8bbefcbbc446" xlink:to="loc_us-gaap_StatementLineItems_e82d07a1-2db4-4412-a71d-5d23e798da4d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_e82d07a1-2db4-4412-a71d-5d23e798da4d" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssued_36c414ee-9dac-42f8-872a-3c71d688ecb3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharesIssued"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_SharesIssued_36c414ee-9dac-42f8-872a-3c71d688ecb3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_ed2ad693-8a54-4e9d-9000-238455afc9a5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_ed2ad693-8a54-4e9d-9000-238455afc9a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_90de4666-7a17-41db-8dc2-6e6a37877afc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_StockholdersEquity_90de4666-7a17-41db-8dc2-6e6a37877afc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LimitedLiabilityCompanyLlcMembersEquityIncludingPortionAttributableToNoncontrollingInterest_f211fea0-efc5-452d-a6fd-5950d2701106" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LimitedLiabilityCompanyLlcMembersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_LimitedLiabilityCompanyLlcMembersEquityIncludingPortionAttributableToNoncontrollingInterest_f211fea0-efc5-452d-a6fd-5950d2701106" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_4276f084-119c-4d81-8f64-9ac15c6000b2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfitLoss"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_ProfitLoss_4276f084-119c-4d81-8f64-9ac15c6000b2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross_81fecbda-54a3-4f07-9694-0f9910e5796c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross_81fecbda-54a3-4f07-9694-0f9910e5796c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross_5419b63a-97f2-4ada-b863-70a283ddf391" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross_5419b63a-97f2-4ada-b863-70a283ddf391" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_83d460a7-ce3a-4291-9c03-875095d1c0a6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_83d460a7-ce3a-4291-9c03-875095d1c0a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_dcd86a2d-8476-4caa-8072-550ec1b628ef" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_dcd86a2d-8476-4caa-8072-550ec1b628ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_545a669c-2d20-412c-932a-ff142b9ce0c7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_545a669c-2d20-412c-932a-ff142b9ce0c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_b5389108-8aab-489f-b74f-b31244466a99" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_b5389108-8aab-489f-b74f-b31244466a99" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestPeriodIncreaseDecrease_df32b55c-c0f4-402b-b58c-8ed768ee0a62" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MinorityInterestPeriodIncreaseDecrease"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_MinorityInterestPeriodIncreaseDecrease_df32b55c-c0f4-402b-b58c-8ed768ee0a62" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_392a73e5-8038-4d7c-8716-18101ac10a42" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_392a73e5-8038-4d7c-8716-18101ac10a42" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DeferredTaxLiabilityAdjustmentNoncontrollingInterest_2b8e98a3-5f90-4f75-b5e9-40ccec096657" xlink:href="exc-20220930.xsd#exc_DeferredTaxLiabilityAdjustmentNoncontrollingInterest"/>
<link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_exc_DeferredTaxLiabilityAdjustmentNoncontrollingInterest_2b8e98a3-5f90-4f75-b5e9-40ccec096657" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest_3cc95d3e-7786-4bd8-9f6b-03b230cfd3e2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest"/>
<link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest_3cc95d3e-7786-4bd8-9f6b-03b230cfd3e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DistributionOfConstellation_0a21802e-3fe6-43a3-bf08-e7caed15d77a" xlink:href="exc-20220930.xsd#exc_DistributionOfConstellation"/>
<link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_exc_DistributionOfConstellation_0a21802e-3fe6-43a3-bf08-e7caed15d77a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_20296c8c-9b03-4a89-9631-8f8f9c73f304" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
<link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_20296c8c-9b03-4a89-9631-8f8f9c73f304" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStockCash_155e2e30-56d2-4ae1-acfa-7fc61148ba4e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DividendsCommonStockCash"/>
<link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_DividendsCommonStockCash_155e2e30-56d2-4ae1-acfa-7fc61148ba4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_ec54fb27-310c-4d34-8d57-0a533b87a935" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
<link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_ec54fb27-310c-4d34-8d57-0a533b87a935" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DistributionMadeToLimitedLiabilityCompanyLLCMemberCashDistributionsDeclared_da4c45e7-b1e3-4066-8fc7-9c781367c837" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DistributionMadeToLimitedLiabilityCompanyLLCMemberCashDistributionsDeclared"/>
<link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_DistributionMadeToLimitedLiabilityCompanyLLCMemberCashDistributionsDeclared_da4c45e7-b1e3-4066-8fc7-9c781367c837" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_3e5ceefe-fff7-4745-8a28-299e4a94613f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalOther"/>
<link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_3e5ceefe-fff7-4745-8a28-299e4a94613f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssued_b8af337e-4643-4ace-96ec-ee9fbc2a5508" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharesIssued"/>
<link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_SharesIssued_b8af337e-4643-4ace-96ec-ee9fbc2a5508" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4fdd13d6-fed4-498f-8d14-69e41027fb8f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
<link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4fdd13d6-fed4-498f-8d14-69e41027fb8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_04c64ed4-53d5-4af0-ac21-e1d03f4bf2a7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity"/>
<link:presentationArc order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_StockholdersEquity_04c64ed4-53d5-4af0-ac21-e1d03f4bf2a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LimitedLiabilityCompanyLlcMembersEquityIncludingPortionAttributableToNoncontrollingInterest_9447c8cc-a668-42f3-baf2-b29611359d4d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LimitedLiabilityCompanyLlcMembersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
<link:presentationArc order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_24d18b95-df4a-4493-a986-440713f43827" xlink:to="loc_us-gaap_LimitedLiabilityCompanyLlcMembersEquityIncludingPortionAttributableToNoncontrollingInterest_9447c8cc-a668-42f3-baf2-b29611359d4d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/SignificantAccountingPoliciesAllRegistrants" xlink:type="simple" xlink:href="exc-20220930.xsd#SignificantAccountingPoliciesAllRegistrants"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/SignificantAccountingPoliciesAllRegistrants" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_9c2451c8-d6ae-495d-a239-28a0c30f5c46" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountingPoliciesAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_2847ccae-d449-4e5e-8592-baa538d1d49e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_9c2451c8-d6ae-495d-a239-28a0c30f5c46" xlink:to="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_2847ccae-d449-4e5e-8592-baa538d1d49e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/DiscontinuedOperationsExelon" xlink:type="simple" xlink:href="exc-20220930.xsd#DiscontinuedOperationsExelon"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/DiscontinuedOperationsExelon" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_56a5e3a3-5e72-4fbd-9169-30f0a94e5fcb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_aedf3416-bb8e-4dd1-b0ae-7b1039d0624d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_56a5e3a3-5e72-4fbd-9169-30f0a94e5fcb" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_aedf3416-bb8e-4dd1-b0ae-7b1039d0624d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RegulatoryMattersAllRegistrants" xlink:type="simple" xlink:href="exc-20220930.xsd#RegulatoryMattersAllRegistrants"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RegulatoryMattersAllRegistrants" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedOperationsAbstract_18abe6bf-f7a1-4f24-a47a-ab1b0e14a55e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatedOperationsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesDisclosureTextBlock_c7f5461e-d72d-42fc-bf95-25325e66087d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesDisclosureTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_18abe6bf-f7a1-4f24-a47a-ab1b0e14a55e" xlink:to="loc_us-gaap_PublicUtilitiesDisclosureTextBlock_c7f5461e-d72d-42fc-bf95-25325e66087d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RevenuefromContractswithCustomersAllRegistrants" xlink:type="simple" xlink:href="exc-20220930.xsd#RevenuefromContractswithCustomersAllRegistrants"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RevenuefromContractswithCustomersAllRegistrants" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_12fa6fa0-a201-41fa-9bf4-e1c5524c3515" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerTextBlock_268415d7-da7b-4029-ada9-e7e6064b2fd1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_12fa6fa0-a201-41fa-9bf4-e1c5524c3515" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerTextBlock_268415d7-da7b-4029-ada9-e7e6064b2fd1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/SegmentInformationAllRegistrants" xlink:type="simple" xlink:href="exc-20220930.xsd#SegmentInformationAllRegistrants"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/SegmentInformationAllRegistrants" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_f4b4aabf-1536-4302-a311-282ae70366ba" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentReportingAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock_d4c08d8e-67af-4f57-b805-18e637f87939" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentReportingDisclosureTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_f4b4aabf-1536-4302-a311-282ae70366ba" xlink:to="loc_us-gaap_SegmentReportingDisclosureTextBlock_d4c08d8e-67af-4f57-b805-18e637f87939" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/AccountsReceivableAllRegistrants" xlink:type="simple" xlink:href="exc-20220930.xsd#AccountsReceivableAllRegistrants"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/AccountsReceivableAllRegistrants" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditLossAbstract_7cc4a11c-38bc-407e-b93c-c7241f0b93a2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CreditLossAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_cb88144c-bc2b-43d9-af72-e8d0b3e8f5d2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditLossAbstract_7cc4a11c-38bc-407e-b93c-c7241f0b93a2" xlink:to="loc_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_cb88144c-bc2b-43d9-af72-e8d0b3e8f5d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/AssetImpairmentsExelonandBGE" xlink:type="simple" xlink:href="exc-20220930.xsd#AssetImpairmentsExelonandBGE"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/AssetImpairmentsExelonandBGE" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOrDisposalOfTangibleAssetsDisclosureAbstract_0ecc1576-0130-4cbb-ab65-fd8a0138f896" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ImpairmentOrDisposalOfTangibleAssetsDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentChargesTextBlock_430e3bb1-68ea-48da-8d93-8547884e88de" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetImpairmentChargesTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ImpairmentOrDisposalOfTangibleAssetsDisclosureAbstract_0ecc1576-0130-4cbb-ab65-fd8a0138f896" xlink:to="loc_us-gaap_AssetImpairmentChargesTextBlock_430e3bb1-68ea-48da-8d93-8547884e88de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/IncomeTaxesAllRegistrants" xlink:type="simple" xlink:href="exc-20220930.xsd#IncomeTaxesAllRegistrants"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/IncomeTaxesAllRegistrants" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_74d92838-ac98-4696-b0d6-50d8151adff5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_0bd6789b-7112-4b18-a216-6a91fa78e2eb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxDisclosureTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_74d92838-ac98-4696-b0d6-50d8151adff5" xlink:to="loc_us-gaap_IncomeTaxDisclosureTextBlock_0bd6789b-7112-4b18-a216-6a91fa78e2eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RetirementBenefitsAllRegistrants" xlink:type="simple" xlink:href="exc-20220930.xsd#RetirementBenefitsAllRegistrants"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RetirementBenefitsAllRegistrants" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_f359e59b-bf7d-493d-bc46-a2eb283d82aa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_b3893fda-2ef8-470b-8a06-ffba8a62a7b1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_f359e59b-bf7d-493d-bc46-a2eb283d82aa" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_b3893fda-2ef8-470b-8a06-ffba8a62a7b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/DerivativeFinancialInstrumentsAllRegistrants" xlink:type="simple" xlink:href="exc-20220930.xsd#DerivativeFinancialInstrumentsAllRegistrants"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/DerivativeFinancialInstrumentsAllRegistrants" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_afd3973b-52b4-46fd-96ab-d00416f8b4c8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_db2f3039-de41-41c3-bfc7-fd2a5e4dbc88" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_afd3973b-52b4-46fd-96ab-d00416f8b4c8" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_db2f3039-de41-41c3-bfc7-fd2a5e4dbc88" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/DebtandCreditAgreementsAllRegistrants" xlink:type="simple" xlink:href="exc-20220930.xsd#DebtandCreditAgreementsAllRegistrants"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/DebtandCreditAgreementsAllRegistrants" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_ac56592f-36f7-4f8f-b04f-9eb133c1b645" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureTextBlock_660fdcae-ad4d-4454-af89-af5347236d7f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtDisclosureTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_ac56592f-36f7-4f8f-b04f-9eb133c1b645" xlink:to="loc_us-gaap_DebtDisclosureTextBlock_660fdcae-ad4d-4454-af89-af5347236d7f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/FairValueofFinancialAssetsandLiabilitiesAllRegistrants" xlink:type="simple" xlink:href="exc-20220930.xsd#FairValueofFinancialAssetsandLiabilitiesAllRegistrants"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/FairValueofFinancialAssetsandLiabilitiesAllRegistrants" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_94004bb7-e1f9-451d-9210-624b46fec140" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueDisclosuresAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_90288ffb-1c2f-4172-b5f9-f40e6455fbf8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueDisclosuresTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_94004bb7-e1f9-451d-9210-624b46fec140" xlink:to="loc_us-gaap_FairValueDisclosuresTextBlock_90288ffb-1c2f-4172-b5f9-f40e6455fbf8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/CommitmentsandContingenciesAllRegistrants" xlink:type="simple" xlink:href="exc-20220930.xsd#CommitmentsandContingenciesAllRegistrants"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/CommitmentsandContingenciesAllRegistrants" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_1b205f74-576a-405c-b87f-693886237f84" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_8fffaf34-1714-4a92-9045-a8910068a043" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_1b205f74-576a-405c-b87f-693886237f84" xlink:to="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_8fffaf34-1714-4a92-9045-a8910068a043" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/ShareholdersEquityExelon" xlink:type="simple" xlink:href="exc-20220930.xsd#ShareholdersEquityExelon"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/ShareholdersEquityExelon" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityAbstract_8808bd44-6b4b-4d75-bac1-90b1519d0789" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_b58fd149-eeb3-476b-a28d-db4dcd66a21f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_8808bd44-6b4b-4d75-bac1-90b1519d0789" xlink:to="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_b58fd149-eeb3-476b-a28d-db4dcd66a21f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/ChangesinAccumulatedOtherComprehensiveIncomeExelon" xlink:type="simple" xlink:href="exc-20220930.xsd#ChangesinAccumulatedOtherComprehensiveIncomeExelon"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/ChangesinAccumulatedOtherComprehensiveIncomeExelon" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_exc_ChangesinAccumulatedOtherComprehensiveIncomeAbstract_5fe83654-79f2-4a3e-a903-4f6a518a3b57" xlink:href="exc-20220930.xsd#exc_ChangesinAccumulatedOtherComprehensiveIncomeAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AccumulatedOtherComprehensiveIncomeLossTextBlock_6bd16deb-c989-475a-b158-b00a24ad2312" xlink:href="exc-20220930.xsd#exc_AccumulatedOtherComprehensiveIncomeLossTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ChangesinAccumulatedOtherComprehensiveIncomeAbstract_5fe83654-79f2-4a3e-a903-4f6a518a3b57" xlink:to="loc_exc_AccumulatedOtherComprehensiveIncomeLossTextBlock_6bd16deb-c989-475a-b158-b00a24ad2312" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/SupplementalFinancialInformationAllRegistrants" xlink:type="simple" xlink:href="exc-20220930.xsd#SupplementalFinancialInformationAllRegistrants"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/SupplementalFinancialInformationAllRegistrants" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalFinancialInformationAbstract_bf40d281-5397-49d2-b22a-c1ccadbf63cb" xlink:href="exc-20220930.xsd#exc_SupplementalFinancialInformationAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalFinancialInformationDisclosureTextBlock_c5aec0c4-13de-4702-a667-bb250dff6742" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdditionalFinancialInformationDisclosureTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalFinancialInformationAbstract_bf40d281-5397-49d2-b22a-c1ccadbf63cb" xlink:to="loc_us-gaap_AdditionalFinancialInformationDisclosureTextBlock_c5aec0c4-13de-4702-a667-bb250dff6742" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RelatedPartyTransactionsAllRegistrants" xlink:type="simple" xlink:href="exc-20220930.xsd#RelatedPartyTransactionsAllRegistrants"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RelatedPartyTransactionsAllRegistrants" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_862feda7-c6d9-4677-b2a7-b855cdab0954" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_6199d032-3d41-4dca-9708-b467d76b677d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_862feda7-c6d9-4677-b2a7-b855cdab0954" xlink:to="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_6199d032-3d41-4dca-9708-b467d76b677d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/SubsequentEventsExelonPHIPepcoDPLandACE" xlink:type="simple" xlink:href="exc-20220930.xsd#SubsequentEventsExelonPHIPepcoDPLandACE"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/SubsequentEventsExelonPHIPepcoDPLandACE" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventsAbstract_1da61d4c-332b-4a87-a001-ef6bbc426dd3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTable_2b2e0362-168c-49a9-aa64-bf219c62825f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventsAbstract_1da61d4c-332b-4a87-a001-ef6bbc426dd3" xlink:to="loc_us-gaap_SubsequentEventTable_2b2e0362-168c-49a9-aa64-bf219c62825f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_490b6ca8-aa82-4c3d-8f6b-aa1907c9bc53" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_2b2e0362-168c-49a9-aa64-bf219c62825f" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_490b6ca8-aa82-4c3d-8f6b-aa1907c9bc53" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_285804eb-3038-4fdb-ba39-eb0f720d9835" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_490b6ca8-aa82-4c3d-8f6b-aa1907c9bc53" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_285804eb-3038-4fdb-ba39-eb0f720d9835" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_f3f432f5-2b72-4587-887c-bdfca36b2d89" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_2b2e0362-168c-49a9-aa64-bf219c62825f" xlink:to="loc_us-gaap_SubsequentEventLineItems_f3f432f5-2b72-4587-887c-bdfca36b2d89" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventsTextBlock_527b6461-fed7-4ee2-b9a4-1598fa84ea4e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventsTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_f3f432f5-2b72-4587-887c-bdfca36b2d89" xlink:to="loc_us-gaap_SubsequentEventsTextBlock_527b6461-fed7-4ee2-b9a4-1598fa84ea4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/SignificantAccountingPoliciesPolicies" xlink:type="simple" xlink:href="exc-20220930.xsd#SignificantAccountingPoliciesPolicies"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/SignificantAccountingPoliciesPolicies" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_92e5a214-d7f6-453a-bf25-c5e18503a8bc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountingPoliciesAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_b0aa76d3-ee0d-48f0-b9f6-ac085f6ee057" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_92e5a214-d7f6-453a-bf25-c5e18503a8bc" xlink:to="loc_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_b0aa76d3-ee0d-48f0-b9f6-ac085f6ee057" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/DiscontinuedOperationsTables" xlink:type="simple" xlink:href="exc-20220930.xsd#DiscontinuedOperationsTables"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/DiscontinuedOperationsTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_3c3ca75a-f81e-4044-87ce-5f538d208984" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_b06f96a8-5ae2-46eb-a691-b79db6e87ee6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_3c3ca75a-f81e-4044-87ce-5f538d208984" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_b06f96a8-5ae2-46eb-a691-b79db6e87ee6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_19b0f391-3bbb-44b8-996f-68e805951302" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_b06f96a8-5ae2-46eb-a691-b79db6e87ee6" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_19b0f391-3bbb-44b8-996f-68e805951302" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_b770833d-d25a-4530-9666-62ecbf72fb91" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_19b0f391-3bbb-44b8-996f-68e805951302" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_b770833d-d25a-4530-9666-62ecbf72fb91" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_433a7d40-56c5-46c5-b280-c46be8c7d52a" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_b770833d-d25a-4530-9666-62ecbf72fb91" xlink:to="loc_exc_ExelonGenerationCoLLCMember_433a7d40-56c5-46c5-b280-c46be8c7d52a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_85168c58-4bd1-48a8-82fb-99acd6072d3c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_b06f96a8-5ae2-46eb-a691-b79db6e87ee6" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_85168c58-4bd1-48a8-82fb-99acd6072d3c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DiscontinuedOperationsIncomeStatementTableTextBlock_ff6f775a-abd0-41d9-be07-ae156c1f27bb" xlink:href="exc-20220930.xsd#exc_DiscontinuedOperationsIncomeStatementTableTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_85168c58-4bd1-48a8-82fb-99acd6072d3c" xlink:to="loc_exc_DiscontinuedOperationsIncomeStatementTableTextBlock_ff6f775a-abd0-41d9-be07-ae156c1f27bb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DiscontinuedOperationsBalanceSheetTableTextBlock_d65a597c-2e8a-4898-bdb2-a0a09363db07" xlink:href="exc-20220930.xsd#exc_DiscontinuedOperationsBalanceSheetTableTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_85168c58-4bd1-48a8-82fb-99acd6072d3c" xlink:to="loc_exc_DiscontinuedOperationsBalanceSheetTableTextBlock_d65a597c-2e8a-4898-bdb2-a0a09363db07" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DiscontinuedOperationsCashFlowsTableTextBlock_7be2f582-468a-4950-9bc1-b4070356b0ca" xlink:href="exc-20220930.xsd#exc_DiscontinuedOperationsCashFlowsTableTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_85168c58-4bd1-48a8-82fb-99acd6072d3c" xlink:to="loc_exc_DiscontinuedOperationsCashFlowsTableTextBlock_7be2f582-468a-4950-9bc1-b4070356b0ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RegulatoryMattersTables" xlink:type="simple" xlink:href="exc-20220930.xsd#RegulatoryMattersTables"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RegulatoryMattersTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedOperationsAbstract_8fce39c2-e7a1-4dde-adbd-1e34da7c9a97" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatedOperationsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesDistributionRateCasesTableTextBlock_9ccd912e-3dfc-42e8-a8f2-0272ad11cc1e" xlink:href="exc-20220930.xsd#exc_PublicUtilitiesDistributionRateCasesTableTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_8fce39c2-e7a1-4dde-adbd-1e34da7c9a97" xlink:to="loc_exc_PublicUtilitiesDistributionRateCasesTableTextBlock_9ccd912e-3dfc-42e8-a8f2-0272ad11cc1e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesTransmissionRateFilingsTableTextBlock_0a5f9ef6-aa16-44c2-96c5-1ab3ad6a5258" xlink:href="exc-20220930.xsd#exc_PublicUtilitiesTransmissionRateFilingsTableTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_8fce39c2-e7a1-4dde-adbd-1e34da7c9a97" xlink:to="loc_exc_PublicUtilitiesTransmissionRateFilingsTableTextBlock_0a5f9ef6-aa16-44c2-96c5-1ab3ad6a5258" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesEnergyEfficiencyRevenueTableTextBlock_3631e0b9-4e39-4d28-8a84-9db0917116de" xlink:href="exc-20220930.xsd#exc_PublicUtilitiesEnergyEfficiencyRevenueTableTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_8fce39c2-e7a1-4dde-adbd-1e34da7c9a97" xlink:to="loc_exc_PublicUtilitiesEnergyEfficiencyRevenueTableTextBlock_3631e0b9-4e39-4d28-8a84-9db0917116de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock_b4012e16-71ea-4c4a-a001-ba182e45fac5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_8fce39c2-e7a1-4dde-adbd-1e34da7c9a97" xlink:to="loc_us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock_b4012e16-71ea-4c4a-a001-ba182e45fac5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RevenuefromContractswithCustomersTables" xlink:type="simple" xlink:href="exc-20220930.xsd#RevenuefromContractswithCustomersTables"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RevenuefromContractswithCustomersTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_be777cf2-8f9a-46d5-b0cf-8b37258c8980" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ChangeinContractwithCustomerAssetandLiabilityTable_967a8fcc-f5d2-48da-9207-9c9d968975d0" xlink:href="exc-20220930.xsd#exc_ChangeinContractwithCustomerAssetandLiabilityTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_be777cf2-8f9a-46d5-b0cf-8b37258c8980" xlink:to="loc_exc_ChangeinContractwithCustomerAssetandLiabilityTable_967a8fcc-f5d2-48da-9207-9c9d968975d0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ContractTypeAxis_e1296b43-23eb-41da-99e7-15e2df16f28e" xlink:href="exc-20220930.xsd#exc_ContractTypeAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ChangeinContractwithCustomerAssetandLiabilityTable_967a8fcc-f5d2-48da-9207-9c9d968975d0" xlink:to="loc_exc_ContractTypeAxis_e1296b43-23eb-41da-99e7-15e2df16f28e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ContractTypeDomain_22c28c8f-fd9c-4768-9907-1eff950e8283" xlink:href="exc-20220930.xsd#exc_ContractTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ContractTypeAxis_e1296b43-23eb-41da-99e7-15e2df16f28e" xlink:to="loc_exc_ContractTypeDomain_22c28c8f-fd9c-4768-9907-1eff950e8283" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ContractLiabilitiesMember_d786ea47-1704-413e-8664-84ac984b6c29" xlink:href="exc-20220930.xsd#exc_ContractLiabilitiesMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ContractTypeDomain_22c28c8f-fd9c-4768-9907-1eff950e8283" xlink:to="loc_exc_ContractLiabilitiesMember_d786ea47-1704-413e-8664-84ac984b6c29" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ContractWithCustomersLineItems_31231b80-b4ee-4aed-918a-ddee3c7143a8" xlink:href="exc-20220930.xsd#exc_ContractWithCustomersLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ChangeinContractwithCustomerAssetandLiabilityTable_967a8fcc-f5d2-48da-9207-9c9d968975d0" xlink:to="loc_exc_ContractWithCustomersLineItems_31231b80-b4ee-4aed-918a-ddee3c7143a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_60145a3b-8d53-4073-a55f-e63ad5a63d63" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ContractWithCustomersLineItems_31231b80-b4ee-4aed-918a-ddee3c7143a8" xlink:to="loc_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_60145a3b-8d53-4073-a55f-e63ad5a63d63" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock_109b011e-5a7f-47a9-a2a7-0f41be0698f7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ContractWithCustomersLineItems_31231b80-b4ee-4aed-918a-ddee3c7143a8" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock_109b011e-5a7f-47a9-a2a7-0f41be0698f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/SegmentInformationTables" xlink:type="simple" xlink:href="exc-20220930.xsd#SegmentInformationTables"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/SegmentInformationTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_ce5232fa-c08a-4e73-b2c2-6fd65db1385e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentReportingAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_2dcfd037-abe3-4d39-a6a8-777cb3d73515" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_ce5232fa-c08a-4e73-b2c2-6fd65db1385e" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_2dcfd037-abe3-4d39-a6a8-777cb3d73515" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PeriodAxis_e53ad2ef-9cef-43ad-a188-150a7dc170b2" xlink:href="exc-20220930.xsd#exc_PeriodAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_2dcfd037-abe3-4d39-a6a8-777cb3d73515" xlink:to="loc_exc_PeriodAxis_e53ad2ef-9cef-43ad-a188-150a7dc170b2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PeriodDomain_b2a7f5a9-e7dc-4128-ba72-977f374a551e" xlink:href="exc-20220930.xsd#exc_PeriodDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodAxis_e53ad2ef-9cef-43ad-a188-150a7dc170b2" xlink:to="loc_exc_PeriodDomain_b2a7f5a9-e7dc-4128-ba72-977f374a551e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_YearToDateMember_cfe30cf4-338e-41b3-83f5-4e8841525761" xlink:href="exc-20220930.xsd#exc_YearToDateMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_b2a7f5a9-e7dc-4128-ba72-977f374a551e" xlink:to="loc_exc_YearToDateMember_cfe30cf4-338e-41b3-83f5-4e8841525761" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SegmentTablesLineItems_ebb1ddcc-9a9c-46a3-ab48-5e9fe64b1e1a" xlink:href="exc-20220930.xsd#exc_SegmentTablesLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_2dcfd037-abe3-4d39-a6a8-777cb3d73515" xlink:to="loc_exc_SegmentTablesLineItems_ebb1ddcc-9a9c-46a3-ab48-5e9fe64b1e1a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_bd6f0669-7fca-42a1-9712-50303f3dd055" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SegmentTablesLineItems_ebb1ddcc-9a9c-46a3-ab48-5e9fe64b1e1a" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_bd6f0669-7fca-42a1-9712-50303f3dd055" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock_73856a4c-a526-4ca2-b547-f4cf8b785651" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SegmentTablesLineItems_ebb1ddcc-9a9c-46a3-ab48-5e9fe64b1e1a" xlink:to="loc_us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock_73856a4c-a526-4ca2-b547-f4cf8b785651" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/AccountsReceivableTables" xlink:type="simple" xlink:href="exc-20220930.xsd#AccountsReceivableTables"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/AccountsReceivableTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract_06c86a23-aa87-4716-88b4-9c7c3098f6e6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock_ae3da006-b6e0-41d7-bd5c-ac05d23262b3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract_06c86a23-aa87-4716-88b4-9c7c3098f6e6" xlink:to="loc_us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock_ae3da006-b6e0-41d7-bd5c-ac05d23262b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_9ca601b1-9ca8-4932-8861-4ad704c6d1a6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract_06c86a23-aa87-4716-88b4-9c7c3098f6e6" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_9ca601b1-9ca8-4932-8861-4ad704c6d1a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PurchasesOfAccountsReceivableTableTextBlock_77f4ff04-183a-4d80-a761-cb443afb126f" xlink:href="exc-20220930.xsd#exc_PurchasesOfAccountsReceivableTableTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract_06c86a23-aa87-4716-88b4-9c7c3098f6e6" xlink:to="loc_exc_PurchasesOfAccountsReceivableTableTextBlock_77f4ff04-183a-4d80-a761-cb443afb126f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/AssetImpairmentsTables" xlink:type="simple" xlink:href="exc-20220930.xsd#AssetImpairmentsTables"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/AssetImpairmentsTables" xlink:type="extended"/>
<link:roleRef roleURI="http://www.exeloncorp.com/role/IncomeTaxesTables" xlink:type="simple" xlink:href="exc-20220930.xsd#IncomeTaxesTables"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/IncomeTaxesTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_4d3b5a86-cd8c-467d-9845-2db68beb8297" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_8f3db12a-d23f-43ba-b8b9-95c3c6a79a28" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_4d3b5a86-cd8c-467d-9845-2db68beb8297" xlink:to="loc_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_8f3db12a-d23f-43ba-b8b9-95c3c6a79a28" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_8bf6a237-9aa3-4789-a177-5e61743ea29d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_4d3b5a86-cd8c-467d-9845-2db68beb8297" xlink:to="loc_us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_8bf6a237-9aa3-4789-a177-5e61743ea29d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AllocationOfTaxBenefitsTableTextBlock_17bed4ad-5273-4120-b257-ee4732ef3fda" xlink:href="exc-20220930.xsd#exc_AllocationOfTaxBenefitsTableTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_4d3b5a86-cd8c-467d-9845-2db68beb8297" xlink:to="loc_exc_AllocationOfTaxBenefitsTableTextBlock_17bed4ad-5273-4120-b257-ee4732ef3fda" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RetirementBenefitsTables" xlink:type="simple" xlink:href="exc-20220930.xsd#RetirementBenefitsTables"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RetirementBenefitsTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_4c893999-2893-4b86-a4b2-b689dd8f7e81" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_8f457e25-4ff4-4912-a571-9400fd738fd1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfNetBenefitCostsTableTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_4c893999-2893-4b86-a4b2-b689dd8f7e81" xlink:to="loc_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_8f457e25-4ff4-4912-a571-9400fd738fd1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock_3f882037-c7a1-41a8-a4a1-4678746b2e66" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_4c893999-2893-4b86-a4b2-b689dd8f7e81" xlink:to="loc_us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock_3f882037-c7a1-41a8-a4a1-4678746b2e66" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanDisclosuresTableTextBlock_ee2f40dc-8f17-4655-8cbf-d3f67227ad42" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedContributionPlanDisclosuresTableTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_4c893999-2893-4b86-a4b2-b689dd8f7e81" xlink:to="loc_us-gaap_DefinedContributionPlanDisclosuresTableTextBlock_ee2f40dc-8f17-4655-8cbf-d3f67227ad42" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/DebtandCreditAgreementsTables" xlink:type="simple" xlink:href="exc-20220930.xsd#DebtandCreditAgreementsTables"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/DebtandCreditAgreementsTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_ca92bef9-3a28-46e5-9260-9788140b8a88" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShortTermDebtTable_260e401e-a9dc-4772-92b4-a178e0afddfe" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShortTermDebtTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_ca92bef9-3a28-46e5-9260-9788140b8a88" xlink:to="loc_us-gaap_ScheduleOfShortTermDebtTable_260e401e-a9dc-4772-92b4-a178e0afddfe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_853ef50d-5016-432f-83ec-7be069dabec4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentLineItems"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_260e401e-a9dc-4772-92b4-a178e0afddfe" xlink:to="loc_us-gaap_DebtInstrumentLineItems_853ef50d-5016-432f-83ec-7be069dabec4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShortTermDebtTextBlock_5995b450-bfba-46c0-a92d-43a6e40bf50d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShortTermDebtTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_853ef50d-5016-432f-83ec-7be069dabec4" xlink:to="loc_us-gaap_ScheduleOfShortTermDebtTextBlock_5995b450-bfba-46c0-a92d-43a6e40bf50d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock_23a98fe8-30ad-4911-ac00-f6bf45f3eb47" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_853ef50d-5016-432f-83ec-7be069dabec4" xlink:to="loc_us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock_23a98fe8-30ad-4911-ac00-f6bf45f3eb47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_f4020b97-bc53-4ead-9ac8-05e34423f5af" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfDebtInstrumentsTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_853ef50d-5016-432f-83ec-7be069dabec4" xlink:to="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_f4020b97-bc53-4ead-9ac8-05e34423f5af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/FairValueofFinancialAssetsandLiabilitiesTables" xlink:type="simple" xlink:href="exc-20220930.xsd#FairValueofFinancialAssetsandLiabilitiesTables"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/FairValueofFinancialAssetsandLiabilitiesTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_43a87db2-ba46-42f6-be85-9c7d560f91f0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueDisclosuresAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock_d9abec0d-8643-4ed1-94fb-9b69ff821223" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByBalanceSheetGroupingTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_43a87db2-ba46-42f6-be85-9c7d560f91f0" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock_d9abec0d-8643-4ed1-94fb-9b69ff821223" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_29295515-1e13-41c6-bfd1-829b0f03d535" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_43a87db2-ba46-42f6-be85-9c7d560f91f0" xlink:to="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_29295515-1e13-41c6-bfd1-829b0f03d535" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_2852344b-5821-4d2a-ae98-bd2aae790ad9" xlink:href="exc-20220930.xsd#exc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_43a87db2-ba46-42f6-be85-9c7d560f91f0" xlink:to="loc_exc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_2852344b-5821-4d2a-ae98-bd2aae790ad9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsTextBlock_7379dff3-eb52-488b-a431-b810c6a41a43" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsTextBlock"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_43a87db2-ba46-42f6-be85-9c7d560f91f0" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsTextBlock_7379dff3-eb52-488b-a431-b810c6a41a43" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock_f6b7c6b7-cf4a-4b65-b309-dc9cd403f741" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_43a87db2-ba46-42f6-be85-9c7d560f91f0" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock_f6b7c6b7-cf4a-4b65-b309-dc9cd403f741" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/CommitmentsandContingenciesTables" xlink:type="simple" xlink:href="exc-20220930.xsd#CommitmentsandContingenciesTables"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/CommitmentsandContingenciesTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_a9c21d89-8bc2-4b20-8648-105ff027f58d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentTextBlock_1960191f-5908-4a74-b2ce-1c53387f4592" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermPurchaseCommitmentTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_a9c21d89-8bc2-4b20-8648-105ff027f58d" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentTextBlock_1960191f-5908-4a74-b2ce-1c53387f4592" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsTableTextBlock_2786d9ce-638d-4838-8772-484fb3f11b26" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCommitmentsTableTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_a9c21d89-8bc2-4b20-8648-105ff027f58d" xlink:to="loc_us-gaap_OtherCommitmentsTableTextBlock_2786d9ce-638d-4838-8772-484fb3f11b26" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock_f9c37d5f-b363-4ee2-86ee-1a87548e79f5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_a9c21d89-8bc2-4b20-8648-105ff027f58d" xlink:to="loc_us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock_f9c37d5f-b363-4ee2-86ee-1a87548e79f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/ChangesinAccumulatedOtherComprehensiveIncomeTables" xlink:type="simple" xlink:href="exc-20220930.xsd#ChangesinAccumulatedOtherComprehensiveIncomeTables"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/ChangesinAccumulatedOtherComprehensiveIncomeTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_exc_ChangesinAccumulatedOtherComprehensiveIncomeAbstract_ea690441-8a32-42ce-afb8-b9e8c26cb555" xlink:href="exc-20220930.xsd#exc_ChangesinAccumulatedOtherComprehensiveIncomeAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_678b5ebe-d28b-4df8-9e17-fcddb7ec136a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ChangesinAccumulatedOtherComprehensiveIncomeAbstract_ea690441-8a32-42ce-afb8-b9e8c26cb555" xlink:to="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_678b5ebe-d28b-4df8-9e17-fcddb7ec136a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ScheduleOfOtherComprehensiveIncomeLossTaxTableTextBlock_910d3ae3-19b2-4fb0-b249-5b007d97b9e8" xlink:href="exc-20220930.xsd#exc_ScheduleOfOtherComprehensiveIncomeLossTaxTableTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ChangesinAccumulatedOtherComprehensiveIncomeAbstract_ea690441-8a32-42ce-afb8-b9e8c26cb555" xlink:to="loc_exc_ScheduleOfOtherComprehensiveIncomeLossTaxTableTextBlock_910d3ae3-19b2-4fb0-b249-5b007d97b9e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/SupplementalFinancialInformationTables" xlink:type="simple" xlink:href="exc-20220930.xsd#SupplementalFinancialInformationTables"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/SupplementalFinancialInformationTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalFinancialInformationAbstract_a403a2c7-c421-4c47-8200-afe9d2f8836e" xlink:href="exc-20220930.xsd#exc_SupplementalFinancialInformationAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ScheduleOfTaxesExcludingIncomeAndExciseTaxesTableTextBlock_d2234487-b909-4f5e-a76b-1daaef3b8dfb" xlink:href="exc-20220930.xsd#exc_ScheduleOfTaxesExcludingIncomeAndExciseTaxesTableTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalFinancialInformationAbstract_a403a2c7-c421-4c47-8200-afe9d2f8836e" xlink:to="loc_exc_ScheduleOfTaxesExcludingIncomeAndExciseTaxesTableTextBlock_d2234487-b909-4f5e-a76b-1daaef3b8dfb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfOtherNonoperatingIncomeByComponentTextBlock_848eb13c-5d80-4bc8-8133-c101d4148e6f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfOtherNonoperatingIncomeByComponentTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalFinancialInformationAbstract_a403a2c7-c421-4c47-8200-afe9d2f8836e" xlink:to="loc_us-gaap_ScheduleOfOtherNonoperatingIncomeByComponentTextBlock_848eb13c-5d80-4bc8-8133-c101d4148e6f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowSupplementalDisclosuresTextBlock_d6fb46d5-9669-453a-bbdb-00935bca2405" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashFlowSupplementalDisclosuresTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalFinancialInformationAbstract_a403a2c7-c421-4c47-8200-afe9d2f8836e" xlink:to="loc_us-gaap_CashFlowSupplementalDisclosuresTextBlock_d6fb46d5-9669-453a-bbdb-00935bca2405" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_dcc881b9-d45b-485e-83a4-8043e7223895" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SupplementalBalanceSheetDisclosuresTextBlock"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalFinancialInformationAbstract_a403a2c7-c421-4c47-8200-afe9d2f8836e" xlink:to="loc_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_dcc881b9-d45b-485e-83a4-8043e7223895" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RelatedPartyTransactionsTables" xlink:type="simple" xlink:href="exc-20220930.xsd#RelatedPartyTransactionsTables"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RelatedPartyTransactionsTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_08e22a96-dc98-432e-b46a-a9a44f050111" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_5d895351-a18f-4d0f-9b14-25203b206158" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_08e22a96-dc98-432e-b46a-a9a44f050111" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_5d895351-a18f-4d0f-9b14-25203b206158" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RelatedPartyTransactionsBSCandPHISCOServiceCompaniesTableTextBlock_6bf8ab48-660e-43af-bf14-84b0de484752" xlink:href="exc-20220930.xsd#exc_RelatedPartyTransactionsBSCandPHISCOServiceCompaniesTableTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_08e22a96-dc98-432e-b46a-a9a44f050111" xlink:to="loc_exc_RelatedPartyTransactionsBSCandPHISCOServiceCompaniesTableTextBlock_6bf8ab48-660e-43af-bf14-84b0de484752" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RelatedPartyTransactionsCurrentReceivablesFromPayablesToAffiliatesTableTextBlock_e501a1ed-28f7-44d5-9cfa-2e867a5534e8" xlink:href="exc-20220930.xsd#exc_RelatedPartyTransactionsCurrentReceivablesFromPayablesToAffiliatesTableTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_08e22a96-dc98-432e-b46a-a9a44f050111" xlink:to="loc_exc_RelatedPartyTransactionsCurrentReceivablesFromPayablesToAffiliatesTableTextBlock_e501a1ed-28f7-44d5-9cfa-2e867a5534e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RelatedPartyTransactionsNoncurrentReceivablesfromPayablestoaffiliatesTableTextBlock_110b95de-8c85-428f-a79f-4ff37d33b147" xlink:href="exc-20220930.xsd#exc_RelatedPartyTransactionsNoncurrentReceivablesfromPayablestoaffiliatesTableTextBlock"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_08e22a96-dc98-432e-b46a-a9a44f050111" xlink:to="loc_exc_RelatedPartyTransactionsNoncurrentReceivablesfromPayablestoaffiliatesTableTextBlock_110b95de-8c85-428f-a79f-4ff37d33b147" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RelatedPartyTransactionsLongTermDebttoFinancingTrustsTableTextBlock_811eef75-44a8-467d-8aea-7a78d25ea1be" xlink:href="exc-20220930.xsd#exc_RelatedPartyTransactionsLongTermDebttoFinancingTrustsTableTextBlock"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_08e22a96-dc98-432e-b46a-a9a44f050111" xlink:to="loc_exc_RelatedPartyTransactionsLongTermDebttoFinancingTrustsTableTextBlock_811eef75-44a8-467d-8aea-7a78d25ea1be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/SignificantAccountingPoliciesDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#SignificantAccountingPoliciesDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/SignificantAccountingPoliciesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_eefeb391-b057-4609-a24b-b6954d315430" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountingPoliciesAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_e5cf5a83-402d-4c84-af36-b710a48d45ff" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eefeb391-b057-4609-a24b-b6954d315430" xlink:to="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_e5cf5a83-402d-4c84-af36-b710a48d45ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis_84171c62-a981-4ea1-bbf8-d5422adb65ca" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_e5cf5a83-402d-4c84-af36-b710a48d45ff" xlink:to="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis_84171c62-a981-4ea1-bbf8-d5422adb65ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsForErrorCorrectionDomain_54f4dc39-f5a9-4af3-b12a-cc768ae8e45a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentsForErrorCorrectionDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis_84171c62-a981-4ea1-bbf8-d5422adb65ca" xlink:to="loc_us-gaap_AdjustmentsForErrorCorrectionDomain_54f4dc39-f5a9-4af3-b12a-cc768ae8e45a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_77247f40-2977-49b1-9fa6-25675d4325cc" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsForErrorCorrectionDomain_54f4dc39-f5a9-4af3-b12a-cc768ae8e45a" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_77247f40-2977-49b1-9fa6-25675d4325cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_f18af29f-1589-4ba3-b346-dd7999e68c32" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsForErrorCorrectionDomain_54f4dc39-f5a9-4af3-b12a-cc768ae8e45a" xlink:to="loc_exc_PepcoHoldingsLLCMember_f18af29f-1589-4ba3-b346-dd7999e68c32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_dcb4d3b7-bce3-44c6-ac3e-1aec3e82f1a0" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_e5cf5a83-402d-4c84-af36-b710a48d45ff" xlink:to="loc_dei_LegalEntityAxis_dcb4d3b7-bce3-44c6-ac3e-1aec3e82f1a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_46ff0fb4-a329-4214-81b4-24688d7bd60e" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_dcb4d3b7-bce3-44c6-ac3e-1aec3e82f1a0" xlink:to="loc_dei_EntityDomain_46ff0fb4-a329-4214-81b4-24688d7bd60e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_5fe60a88-b23a-4a5e-b91a-d0cfc2487789" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_46ff0fb4-a329-4214-81b4-24688d7bd60e" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_5fe60a88-b23a-4a5e-b91a-d0cfc2487789" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_10d52991-30b5-44d8-97f1-a972c5d560f0" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_46ff0fb4-a329-4214-81b4-24688d7bd60e" xlink:to="loc_exc_PepcoHoldingsLLCMember_10d52991-30b5-44d8-97f1-a972c5d560f0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_99ce78d1-ca8f-4a3f-bd01-74ef84583ad8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_e5cf5a83-402d-4c84-af36-b710a48d45ff" xlink:to="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_99ce78d1-ca8f-4a3f-bd01-74ef84583ad8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f8d788a7-566f-431b-80c3-3e9e208edab0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_99ce78d1-ca8f-4a3f-bd01-74ef84583ad8" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f8d788a7-566f-431b-80c3-3e9e208edab0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilities_f62bc185-f76c-4c5a-bbe4-d7afcaec11bb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatoryLiabilities"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_99ce78d1-ca8f-4a3f-bd01-74ef84583ad8" xlink:to="loc_us-gaap_RegulatoryLiabilities_f62bc185-f76c-4c5a-bbe4-d7afcaec11bb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent_5e4e591f-b4e1-4d4d-b856-69a30b098c09" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_99ce78d1-ca8f-4a3f-bd01-74ef84583ad8" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent_5e4e591f-b4e1-4d4d-b856-69a30b098c09" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_a76c3f63-43d6-4f5d-be40-8a0bffed1b5f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfitLoss"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_99ce78d1-ca8f-4a3f-bd01-74ef84583ad8" xlink:to="loc_us-gaap_ProfitLoss_a76c3f63-43d6-4f5d-be40-8a0bffed1b5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/DiscontinuedOperationsandDisposalGroupsDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#DiscontinuedOperationsandDisposalGroupsDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/DiscontinuedOperationsandDisposalGroupsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_740d026d-1f8d-4f40-ae8c-07b77e185473" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_307e0557-c2a8-4b16-9464-979f70f680b4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_740d026d-1f8d-4f40-ae8c-07b77e185473" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_307e0557-c2a8-4b16-9464-979f70f680b4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_eebfd473-b330-421f-9a6b-494b470b62a8" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_307e0557-c2a8-4b16-9464-979f70f680b4" xlink:to="loc_srt_ConsolidationItemsAxis_eebfd473-b330-421f-9a6b-494b470b62a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_98b53298-3310-4c69-92ec-0341dd6fbc7d" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_eebfd473-b330-421f-9a6b-494b470b62a8" xlink:to="loc_srt_ConsolidationItemsDomain_98b53298-3310-4c69-92ec-0341dd6fbc7d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_7fa307bc-052f-4766-8719-146951bd9260" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CorporateNonSegmentMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_98b53298-3310-4c69-92ec-0341dd6fbc7d" xlink:to="loc_us-gaap_CorporateNonSegmentMember_7fa307bc-052f-4766-8719-146951bd9260" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_39c31cde-07d8-4312-b6b3-124b4ad0d275" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_307e0557-c2a8-4b16-9464-979f70f680b4" xlink:to="loc_us-gaap_DebtInstrumentAxis_39c31cde-07d8-4312-b6b3-124b4ad0d275" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_475071c9-326b-45d3-ae0b-656a4c1f8417" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_39c31cde-07d8-4312-b6b3-124b4ad0d275" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_475071c9-326b-45d3-ae0b-656a4c1f8417" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ShortTermDebtSOFRplus075Jan2023Member_dc761e6b-105b-4c19-a72a-4a15785af592" xlink:href="exc-20220930.xsd#exc_ShortTermDebtSOFRplus075Jan2023Member"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_475071c9-326b-45d3-ae0b-656a4c1f8417" xlink:to="loc_exc_ShortTermDebtSOFRplus075Jan2023Member_dc761e6b-105b-4c19-a72a-4a15785af592" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SMBCTermLoanJuly2023Member_d9c074e9-e729-43da-bd46-2d6969c85bdb" xlink:href="exc-20220930.xsd#exc_SMBCTermLoanJuly2023Member"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_475071c9-326b-45d3-ae0b-656a4c1f8417" xlink:to="loc_exc_SMBCTermLoanJuly2023Member_d9c074e9-e729-43da-bd46-2d6969c85bdb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_USBTermLoanJuly2023Member_f6ef5dd2-c331-4e26-90ed-7714684659cc" xlink:href="exc-20220930.xsd#exc_USBTermLoanJuly2023Member"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_475071c9-326b-45d3-ae0b-656a4c1f8417" xlink:to="loc_exc_USBTermLoanJuly2023Member_f6ef5dd2-c331-4e26-90ed-7714684659cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PNCTermLoanJuly2023Member_67d65dc8-a4c4-45f4-9b5f-23b57ab93688" xlink:href="exc-20220930.xsd#exc_PNCTermLoanJuly2023Member"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_475071c9-326b-45d3-ae0b-656a4c1f8417" xlink:to="loc_exc_PNCTermLoanJuly2023Member_67d65dc8-a4c4-45f4-9b5f-23b57ab93688" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_bce0ab66-d334-468a-9228-fd70eb2f0381" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_307e0557-c2a8-4b16-9464-979f70f680b4" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_bce0ab66-d334-468a-9228-fd70eb2f0381" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_34f1e416-39d7-4640-b876-83cc6ead3224" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_bce0ab66-d334-468a-9228-fd70eb2f0381" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_34f1e416-39d7-4640-b876-83cc6ead3224" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableToBanksMember_f37a1037-79c8-4a05-97fb-8f2e9006a2b3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NotesPayableToBanksMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_34f1e416-39d7-4640-b876-83cc6ead3224" xlink:to="loc_us-gaap_NotesPayableToBanksMember_f37a1037-79c8-4a05-97fb-8f2e9006a2b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_2261f511-ee33-439e-b906-81ebd35683af" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_307e0557-c2a8-4b16-9464-979f70f680b4" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_2261f511-ee33-439e-b906-81ebd35683af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_a15955f3-4563-4605-9119-560b5bc2b501" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_2261f511-ee33-439e-b906-81ebd35683af" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_a15955f3-4563-4605-9119-560b5bc2b501" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_c67e75e5-ad8f-42bd-bdce-fc0518a863cc" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_a15955f3-4563-4605-9119-560b5bc2b501" xlink:to="loc_exc_ExelonGenerationCoLLCMember_c67e75e5-ad8f-42bd-bdce-fc0518a863cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_e7124c45-e607-49aa-bda3-7f4610687181" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_307e0557-c2a8-4b16-9464-979f70f680b4" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_e7124c45-e607-49aa-bda3-7f4610687181" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_6490aa1c-5539-469a-85cc-59c7adf237a0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesIssued"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_e7124c45-e607-49aa-bda3-7f4610687181" xlink:to="loc_us-gaap_CommonStockSharesIssued_6490aa1c-5539-469a-85cc-59c7adf237a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBankLoansAndNotesPayable_82786595-0c27-4763-bdd1-e79d9e77c9a0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortTermBankLoansAndNotesPayable"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_e7124c45-e607-49aa-bda3-7f4610687181" xlink:to="loc_us-gaap_ShortTermBankLoansAndNotesPayable_82786595-0c27-4763-bdd1-e79d9e77c9a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_7a776692-1e45-40d7-b8ea-97c0fc4b9b88" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentFaceAmount"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_e7124c45-e607-49aa-bda3-7f4610687181" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_7a776692-1e45-40d7-b8ea-97c0fc4b9b88" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SeparationCashPayment_e288178a-79ed-42c0-8416-3f4490434af9" xlink:href="exc-20220930.xsd#exc_SeparationCashPayment"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_e7124c45-e607-49aa-bda3-7f4610687181" xlink:to="loc_exc_SeparationCashPayment_e288178a-79ed-42c0-8416-3f4490434af9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleAndCollectionOfNotesReceivable_78cc60ac-46e4-4e25-a5d3-8d7bc8363c8c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromSaleAndCollectionOfNotesReceivable"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_e7124c45-e607-49aa-bda3-7f4610687181" xlink:to="loc_us-gaap_ProceedsFromSaleAndCollectionOfNotesReceivable_78cc60ac-46e4-4e25-a5d3-8d7bc8363c8c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsNet_23713734-cfa9-47c7-8a2b-20996cad2cbf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsNet"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_e7124c45-e607-49aa-bda3-7f4610687181" xlink:to="loc_us-gaap_AssetsNet_23713734-cfa9-47c7-8a2b-20996cad2cbf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIntraEntityAmountsDiscontinuedOperationAfterDisposalExpense_f8c090f6-e967-4bb6-b328-f8cf960c8714" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DiscontinuedOperationIntraEntityAmountsDiscontinuedOperationAfterDisposalExpense"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_e7124c45-e607-49aa-bda3-7f4610687181" xlink:to="loc_us-gaap_DiscontinuedOperationIntraEntityAmountsDiscontinuedOperationAfterDisposalExpense_f8c090f6-e967-4bb6-b328-f8cf960c8714" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/DiscontinuedOperationsandDisposalGroupsDetailsIncomeStatement" xlink:type="simple" xlink:href="exc-20220930.xsd#DiscontinuedOperationsandDisposalGroupsDetailsIncomeStatement"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/DiscontinuedOperationsandDisposalGroupsDetailsIncomeStatement" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_63184b32-0615-4d30-b787-3e43331499d9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_74b77c2d-aff5-48b1-bd6c-194eae0a9a63" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_63184b32-0615-4d30-b787-3e43331499d9" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_74b77c2d-aff5-48b1-bd6c-194eae0a9a63" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_37da7f36-08d8-4e02-876f-b94ffcbd27fe" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_74b77c2d-aff5-48b1-bd6c-194eae0a9a63" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_37da7f36-08d8-4e02-876f-b94ffcbd27fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_7f3356ce-4fde-41f2-8728-c269f9b08e12" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_37da7f36-08d8-4e02-876f-b94ffcbd27fe" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_7f3356ce-4fde-41f2-8728-c269f9b08e12" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_a3fb7918-b433-40ca-905e-10060e08b166" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_7f3356ce-4fde-41f2-8728-c269f9b08e12" xlink:to="loc_exc_ExelonGenerationCoLLCMember_a3fb7918-b433-40ca-905e-10060e08b166" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_f48997e2-595f-4598-ae15-ea0f3d294755" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_74b77c2d-aff5-48b1-bd6c-194eae0a9a63" xlink:to="loc_srt_ConsolidationItemsAxis_f48997e2-595f-4598-ae15-ea0f3d294755" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_9de85011-6a2d-4e45-b7b0-971be1444e49" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_f48997e2-595f-4598-ae15-ea0f3d294755" xlink:to="loc_srt_ConsolidationItemsDomain_9de85011-6a2d-4e45-b7b0-971be1444e49" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_a3be45bd-4d50-43d7-bdb5-24e4418e4a39" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CorporateNonSegmentMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_9de85011-6a2d-4e45-b7b0-971be1444e49" xlink:to="loc_us-gaap_CorporateNonSegmentMember_a3be45bd-4d50-43d7-bdb5-24e4418e4a39" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_74b77c2d-aff5-48b1-bd6c-194eae0a9a63" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_c9c26bc4-a596-4812-9483-6054dddb877b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_c9c26bc4-a596-4812-9483-6054dddb877b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromRelatedParties_20427c05-92f3-4cca-809f-7949187a1e56" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromRelatedParties"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_us-gaap_RevenueFromRelatedParties_20427c05-92f3-4cca-809f-7949187a1e56" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_4aa362f3-c477-4897-8c89-630f101ccfb0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_4aa362f3-c477-4897-8c89-630f101ccfb0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostDirectMaterial_fca0bba0-d171-4068-985e-dcfb4c8f0cf9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostDirectMaterial"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_us-gaap_CostDirectMaterial_fca0bba0-d171-4068-985e-dcfb4c8f0cf9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses_1257d29b-f498-4198-81ab-c3bef532b98f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_us-gaap_UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses_1257d29b-f498-4198-81ab-c3bef532b98f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_ee6e27ce-84ec-402b-8d66-3dd80dcc274a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_ee6e27ce-84ec-402b-8d66-3dd80dcc274a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxesExcludingIncomeAndExciseTaxes_8951ba0e-29a6-426f-9b1e-07aae23c71a9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TaxesExcludingIncomeAndExciseTaxes"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_us-gaap_TaxesExcludingIncomeAndExciseTaxes_8951ba0e-29a6-426f-9b1e-07aae23c71a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_2c83516d-4a75-4761-adb3-b80910ba9c8d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostsAndExpenses"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_us-gaap_CostsAndExpenses_2c83516d-4a75-4761-adb3-b80910ba9c8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_880b50a7-5769-461b-8178-46074145dd05" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainLossOnDispositionOfAssets1"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_880b50a7-5769-461b-8178-46074145dd05" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_a617c81c-c707-44eb-bae0-8b1304b9e105" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_a617c81c-c707-44eb-bae0-8b1304b9e105" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_bf9b00ab-7c59-4ad7-a871-bdd8136f2bc9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_bf9b00ab-7c59-4ad7-a871-bdd8136f2bc9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_54cacf06-2566-415d-a3cf-5c73cab02a6c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_54cacf06-2566-415d-a3cf-5c73cab02a6c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_c0947369-5eba-47d6-9adf-49d738c13ebb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NonoperatingIncomeExpense"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_c0947369-5eba-47d6-9adf-49d738c13ebb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_baf9bc73-7f8c-4597-8a03-bb611e9ea87e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax"/>
<link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_baf9bc73-7f8c-4597-8a03-bb611e9ea87e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_28070d21-edd1-4a6f-a690-b95d0fcec69e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
<link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_28070d21-edd1-4a6f-a690-b95d0fcec69e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_0db1a5d6-61e4-4977-bb3e-d537f88057cc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions"/>
<link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_0db1a5d6-61e4-4977-bb3e-d537f88057cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_a27fedda-dc65-47a6-a306-bc8f39188615" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax"/>
<link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_a27fedda-dc65-47a6-a306-bc8f39188615" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_6428a636-fb0c-41f5-9645-1bf8a6ab210d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
<link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_6428a636-fb0c-41f5-9645-1bf8a6ab210d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_14d2c0d4-13a8-43d8-84f7-36f3563cf33d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic"/>
<link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_us-gaap_NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_14d2c0d4-13a8-43d8-84f7-36f3563cf33d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_TotalTransactionAndTransitionCostsIncurredRelatedToTheSeparation_47113ae9-00d8-4b58-9348-229dc3ceb521" xlink:href="exc-20220930.xsd#exc_TotalTransactionAndTransitionCostsIncurredRelatedToTheSeparation"/>
<link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_exc_TotalTransactionAndTransitionCostsIncurredRelatedToTheSeparation_47113ae9-00d8-4b58-9348-229dc3ceb521" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_TransitionCostsRelatingToTheSeparationIncludedInDiscontinuedOperations_152d01d6-dce5-45ad-bef5-ee90b6c8ce9e" xlink:href="exc-20220930.xsd#exc_TransitionCostsRelatingToTheSeparationIncludedInDiscontinuedOperations"/>
<link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_exc_TransitionCostsRelatingToTheSeparationIncludedInDiscontinuedOperations_152d01d6-dce5-45ad-bef5-ee90b6c8ce9e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_TotalTransactionCostsRelatingToTheSeparation_b87069c9-a8d0-4dcb-9f62-7175d01fadfc" xlink:href="exc-20220930.xsd#exc_TotalTransactionCostsRelatingToTheSeparation"/>
<link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c040f831-912c-4fa1-a25f-2b64cc20eadd" xlink:to="loc_exc_TotalTransactionCostsRelatingToTheSeparation_b87069c9-a8d0-4dcb-9f62-7175d01fadfc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/DiscontinuedOperationsandDisposalGroupsDetailsBalanceSheet" xlink:type="simple" xlink:href="exc-20220930.xsd#DiscontinuedOperationsandDisposalGroupsDetailsBalanceSheet"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/DiscontinuedOperationsandDisposalGroupsDetailsBalanceSheet" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_7682013b-4aee-45b1-829b-721632e87450" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_54fc0323-9713-48cb-85b3-af453865d25c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_7682013b-4aee-45b1-829b-721632e87450" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_54fc0323-9713-48cb-85b3-af453865d25c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_66404d79-b055-4042-b89e-15b26e4e95e0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_54fc0323-9713-48cb-85b3-af453865d25c" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_66404d79-b055-4042-b89e-15b26e4e95e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_f3d7fb22-5be2-4dfd-9abe-50cb924df4fb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_66404d79-b055-4042-b89e-15b26e4e95e0" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_f3d7fb22-5be2-4dfd-9abe-50cb924df4fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_e8c0ae65-35ab-48e7-9f6b-4ca8bb7d07eb" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_f3d7fb22-5be2-4dfd-9abe-50cb924df4fb" xlink:to="loc_exc_ExelonGenerationCoLLCMember_e8c0ae65-35ab-48e7-9f6b-4ca8bb7d07eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_54fc0323-9713-48cb-85b3-af453865d25c" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_cec2a377-c9f4-4082-ad0e-316e1e04b764" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_cec2a377-c9f4-4082-ad0e-316e1e04b764" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_d983d4f7-278e-42e2-8014-2051c8cfecb5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_d983d4f7-278e-42e2-8014-2051c8cfecb5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_db125029-cca0-474d-b74f-ac2282a9bde7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableGrossCurrent"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_db125029-cca0-474d-b74f-ac2282a9bde7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_db0f3e71-4770-47ff-955f-0e7a060d2ca5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_db0f3e71-4770-47ff-955f-0e7a060d2ca5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_b2cc96c5-4099-4a71-bc36-5fbd42cf41d0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_b2cc96c5-4099-4a71-bc36-5fbd42cf41d0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivablesGrossCurrent_ea1fb5bc-5e8e-496e-bba4-66520a58b51f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherReceivablesGrossCurrent"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_OtherReceivablesGrossCurrent_ea1fb5bc-5e8e-496e-bba4-66520a58b51f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent_e3f88af6-aaa6-4db4-b035-82917e9b5655" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent_e3f88af6-aaa6-4db4-b035-82917e9b5655" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivablesNetCurrent_e4549095-a5c3-490c-b295-68f22962515e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherReceivablesNetCurrent"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_OtherReceivablesNetCurrent_e4549095-a5c3-490c-b295-68f22962515e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsCurrent_7d34e84d-deb0-47cd-a9d5-5b1c8e07c405" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeAssetsCurrent"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_DerivativeAssetsCurrent_7d34e84d-deb0-47cd-a9d5-5b1c8e07c405" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyRelatedInventoryNaturalGasInStorage_a5590461-5668-4403-b3f2-8634aa464a41" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EnergyRelatedInventoryNaturalGasInStorage"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_EnergyRelatedInventoryNaturalGasInStorage_a5590461-5668-4403-b3f2-8634aa464a41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_b2cad8a2-5aea-4b26-9223-189e5e876bb8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_b2cad8a2-5aea-4b26-9223-189e5e876bb8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RenewableEnergyCreditsCurrent_e64e8c42-b20f-4f12-bbf3-645a4b87ac10" xlink:href="exc-20220930.xsd#exc_RenewableEnergyCreditsCurrent"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_exc_RenewableEnergyCreditsCurrent_e64e8c42-b20f-4f12-bbf3-645a4b87ac10" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DisposalGroupIncludingDiscontinuedOperationsAssetsCurrentAssetsHeldForSale_6eaa3e45-1bf5-449c-affe-c2f2870a1e11" xlink:href="exc-20220930.xsd#exc_DisposalGroupIncludingDiscontinuedOperationsAssetsCurrentAssetsHeldForSale"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_exc_DisposalGroupIncludingDiscontinuedOperationsAssetsCurrentAssetsHeldForSale_6eaa3e45-1bf5-449c-affe-c2f2870a1e11" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_de6859bc-57b9-4560-8a14-d8a7b2eec0bf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets"/>
<link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_de6859bc-57b9-4560-8a14-d8a7b2eec0bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_cc959e10-282f-473a-9e0e-4a405c3ec9f4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
<link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_cc959e10-282f-473a-9e0e-4a405c3ec9f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_764f2c40-df2b-4076-b1bf-8bb66227b997" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
<link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_764f2c40-df2b-4076-b1bf-8bb66227b997" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent_a025b784-81b4-4f32-a674-68ff367b6a5b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent"/>
<link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent_a025b784-81b4-4f32-a674-68ff367b6a5b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DecommissioningFundInvestments_8c93d396-b5d8-479b-8424-e6af08df5fdf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DecommissioningFundInvestments"/>
<link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_DecommissioningFundInvestments_8c93d396-b5d8-479b-8424-e6af08df5fdf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermInvestments_7bf0fd68-1629-49b1-bb89-95cb3881ff84" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermInvestments"/>
<link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_LongTermInvestments_7bf0fd68-1629-49b1-bb89-95cb3881ff84" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsNoncurrent_1487eb29-b97a-47a0-af9b-88010e31e68d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeAssetsNoncurrent"/>
<link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_DerivativeAssetsNoncurrent_1487eb29-b97a-47a0-af9b-88010e31e68d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_a9d07ce5-cbdd-476f-9635-df8bc7659aad" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAssetsNoncurrent"/>
<link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_a9d07ce5-cbdd-476f-9635-df8bc7659aad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_c45a2783-4884-4e91-a286-a0276efc3d5c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets"/>
<link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_c45a2783-4884-4e91-a286-a0276efc3d5c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_f4992053-199a-40b0-ba81-4c78568793ca" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Assets"/>
<link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_Assets_f4992053-199a-40b0-ba81-4c78568793ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_48b65220-4005-4576-b547-001edbb9b719" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortTermBorrowings"/>
<link:presentationArc order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_ShortTermBorrowings_48b65220-4005-4576-b547-001edbb9b719" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_161bc36a-df2c-41f2-8c55-b4227df7dc93" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
<link:presentationArc order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_161bc36a-df2c-41f2-8c55-b4227df7dc93" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_2d193546-aee0-4274-9c4c-a5f327d0b861" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent"/>
<link:presentationArc order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_2d193546-aee0-4274-9c4c-a5f327d0b861" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent_9fe2429d-657f-4141-aad0-ac2e34f78e7b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent"/>
<link:presentationArc order="27" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent_9fe2429d-657f-4141-aad0-ac2e34f78e7b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_f2fced95-03a9-4d55-afc8-2fb24c7314c9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeLiabilitiesCurrent"/>
<link:presentationArc order="28" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_f2fced95-03a9-4d55-afc8-2fb24c7314c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyMarketingAccountsPayable_826ae92c-0c7a-45b3-b4ec-595c39aac473" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EnergyMarketingAccountsPayable"/>
<link:presentationArc order="29" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_EnergyMarketingAccountsPayable_826ae92c-0c7a-45b3-b4ec-595c39aac473" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DisposalGroupIncludingDiscontinuedOperationsAssetsCurrentLiabilitiesHeldForSale_c1b45b79-23f8-4ffe-a770-47ab1664338d" xlink:href="exc-20220930.xsd#exc_DisposalGroupIncludingDiscontinuedOperationsAssetsCurrentLiabilitiesHeldForSale"/>
<link:presentationArc order="30" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_exc_DisposalGroupIncludingDiscontinuedOperationsAssetsCurrentLiabilitiesHeldForSale_c1b45b79-23f8-4ffe-a770-47ab1664338d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities_fd485927-166b-48a0-a956-0b9563607fed" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities"/>
<link:presentationArc order="31" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities_fd485927-166b-48a0-a956-0b9563607fed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_5fb9cb79-7e35-45bc-92f5-a1ac00724885" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
<link:presentationArc order="32" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_5fb9cb79-7e35-45bc-92f5-a1ac00724885" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_203b10b6-d81c-4bec-9992-213ac5991000" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtNoncurrent"/>
<link:presentationArc order="33" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_203b10b6-d81c-4bec-9992-213ac5991000" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent_b54403b2-dd68-45bb-b8ed-b4a64abb34a8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent"/>
<link:presentationArc order="34" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent_b54403b2-dd68-45bb-b8ed-b4a64abb34a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationsNoncurrent_352643a5-723e-479a-ab0d-73ee450cc090" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetRetirementObligationsNoncurrent"/>
<link:presentationArc order="35" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_AssetRetirementObligationsNoncurrent_352643a5-723e-479a-ab0d-73ee450cc090" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPensionPlanBenefitObligationNoncurrent_ea65dc4b-3267-4b08-a5a2-948d7d83bd6e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPensionPlanBenefitObligationNoncurrent"/>
<link:presentationArc order="36" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPensionPlanBenefitObligationNoncurrent_ea65dc4b-3267-4b08-a5a2-948d7d83bd6e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPostretirementPlanBenefitObligationNoncurrent_560b448f-9147-4672-8b6c-01f38c3f9c0d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPostretirementPlanBenefitObligationNoncurrent"/>
<link:presentationArc order="37" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPostretirementPlanBenefitObligationNoncurrent_560b448f-9147-4672-8b6c-01f38c3f9c0d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SpentNuclearFuelObligationNoncurrent_374d66f5-1c2c-4d10-b1f3-401dc451c793" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SpentNuclearFuelObligationNoncurrent"/>
<link:presentationArc order="38" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_SpentNuclearFuelObligationNoncurrent_374d66f5-1c2c-4d10-b1f3-401dc451c793" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_62a90087-32d1-49f4-a6a8-22cb2f4e7975" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeLiabilitiesNoncurrent"/>
<link:presentationArc order="39" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_62a90087-32d1-49f4-a6a8-22cb2f4e7975" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_a112f23a-b3ea-48fe-b787-5143dc7b286f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
<link:presentationArc order="40" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_a112f23a-b3ea-48fe-b787-5143dc7b286f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_f6252a94-9f44-4ba3-940d-796c0ffc14c4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities"/>
<link:presentationArc order="41" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_f6252a94-9f44-4ba3-940d-796c0ffc14c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_cb5a8112-34b8-4448-b5a2-24ed2217289e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Liabilities"/>
<link:presentationArc order="42" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_f88b724f-5b20-479e-9926-5903a4974deb" xlink:to="loc_us-gaap_Liabilities_cb5a8112-34b8-4448-b5a2-24ed2217289e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/DiscontinuedOperationsandDisposalGroupsDetailsCashFlows" xlink:type="simple" xlink:href="exc-20220930.xsd#DiscontinuedOperationsandDisposalGroupsDetailsCashFlows"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/DiscontinuedOperationsandDisposalGroupsDetailsCashFlows" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_18099a1b-6736-423b-85a8-df7c4391911a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_e7efa232-2eb7-4e8b-b7a2-af103a96d848" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_18099a1b-6736-423b-85a8-df7c4391911a" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_e7efa232-2eb7-4e8b-b7a2-af103a96d848" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_84732e1a-69f8-4ad4-9dcc-cffeae486e47" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_e7efa232-2eb7-4e8b-b7a2-af103a96d848" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_84732e1a-69f8-4ad4-9dcc-cffeae486e47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_57cbaa8c-2189-4e70-84ea-507e8689f1b1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_84732e1a-69f8-4ad4-9dcc-cffeae486e47" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_57cbaa8c-2189-4e70-84ea-507e8689f1b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_dccbea8f-4faf-4593-8aff-f174021bb8a0" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_57cbaa8c-2189-4e70-84ea-507e8689f1b1" xlink:to="loc_exc_ExelonGenerationCoLLCMember_dccbea8f-4faf-4593-8aff-f174021bb8a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5f71f357-5249-4626-ae39-226977c29167" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_e7efa232-2eb7-4e8b-b7a2-af103a96d848" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5f71f357-5249-4626-ae39-226977c29167" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_05ac45fa-f93f-456a-940d-eb0b342ed30b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DepreciationAmortizationAndAccretionNet"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5f71f357-5249-4626-ae39-226977c29167" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_05ac45fa-f93f-456a-940d-eb0b342ed30b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_72c7fcd5-6ba8-4549-8cb7-05b145e6c3ab" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetImpairmentCharges"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5f71f357-5249-4626-ae39-226977c29167" xlink:to="loc_us-gaap_AssetImpairmentCharges_72c7fcd5-6ba8-4549-8cb7-05b145e6c3ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_979210e5-50ff-49c4-ad20-d26cb34fe49b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5f71f357-5249-4626-ae39-226977c29167" xlink:to="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_979210e5-50ff-49c4-ad20-d26cb34fe49b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_a70b1046-e1a8-4c8f-b71d-a7fc084dc312" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5f71f357-5249-4626-ae39-226977c29167" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_a70b1046-e1a8-4c8f-b71d-a7fc084dc312" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_d729b83e-6f67-437c-bbd5-45c6cd5b0abb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_UnrealizedGainLossOnDerivatives"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5f71f357-5249-4626-ae39-226977c29167" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_d729b83e-6f67-437c-bbd5-45c6cd5b0abb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnInvestments_23e15368-e760-4e80-b4b4-5d09c9c988ff" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainLossOnInvestments"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5f71f357-5249-4626-ae39-226977c29167" xlink:to="loc_us-gaap_GainLossOnInvestments_23e15368-e760-4e80-b4b4-5d09c9c988ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_671c1244-887e-4b92-8af7-8f0df0fa1ca5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5f71f357-5249-4626-ae39-226977c29167" xlink:to="loc_us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_671c1244-887e-4b92-8af7-8f0df0fa1ca5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_747a3147-41cf-46ec-a373-4c3bf9160bab" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNoncashIncomeExpense"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5f71f357-5249-4626-ae39-226977c29167" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_747a3147-41cf-46ec-a373-4c3bf9160bab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_e063938d-8ed1-47d7-ab0f-3c1463511c78" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5f71f357-5249-4626-ae39-226977c29167" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_e063938d-8ed1-47d7-ab0f-3c1463511c78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables_1e98d41f-2131-4beb-baf1-1060a95f2b5f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5f71f357-5249-4626-ae39-226977c29167" xlink:to="loc_us-gaap_ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables_1e98d41f-2131-4beb-baf1-1060a95f2b5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ChangeinCapitalExpendituresIncurredButNotYetPaid_3945aab2-e533-467c-bf0c-e1eaf5d349be" xlink:href="exc-20220930.xsd#exc_ChangeinCapitalExpendituresIncurredButNotYetPaid"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5f71f357-5249-4626-ae39-226977c29167" xlink:to="loc_exc_ChangeinCapitalExpendituresIncurredButNotYetPaid_3945aab2-e533-467c-bf0c-e1eaf5d349be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalDeferredPurchasePrice_348d2173-4f50-4c4c-9f51-0002d22f5de2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SupplementalDeferredPurchasePrice"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5f71f357-5249-4626-ae39-226977c29167" xlink:to="loc_us-gaap_SupplementalDeferredPurchasePrice_348d2173-4f50-4c4c-9f51-0002d22f5de2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsIncurredAssetRetirementObligationIncurred_01563bd9-0547-4883-8bbe-5d5fc9a2a640" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostsIncurredAssetRetirementObligationIncurred"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5f71f357-5249-4626-ae39-226977c29167" xlink:to="loc_us-gaap_CostsIncurredAssetRetirementObligationIncurred_01563bd9-0547-4883-8bbe-5d5fc9a2a640" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RegulatoryMattersScheduleofCompletedRateCasesDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#RegulatoryMattersScheduleofCompletedRateCasesDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RegulatoryMattersScheduleofCompletedRateCasesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedOperationsAbstract_9ecdb9e2-a7b1-4123-b115-bc5611bd02e0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatedOperationsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RegulatoryMattersCompletedRateCasesTable_a8977e37-023c-45e6-874a-e008ce36b25f" xlink:href="exc-20220930.xsd#exc_RegulatoryMattersCompletedRateCasesTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_9ecdb9e2-a7b1-4123-b115-bc5611bd02e0" xlink:to="loc_exc_RegulatoryMattersCompletedRateCasesTable_a8977e37-023c-45e6-874a-e008ce36b25f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_47f18446-4db6-4ff9-9f86-a19ab9b32c45" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesTable_a8977e37-023c-45e6-874a-e008ce36b25f" xlink:to="loc_dei_LegalEntityAxis_47f18446-4db6-4ff9-9f86-a19ab9b32c45" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_bc8e3883-c87e-440a-bb7a-aaf78f5fdad5" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_47f18446-4db6-4ff9-9f86-a19ab9b32c45" xlink:to="loc_dei_EntityDomain_bc8e3883-c87e-440a-bb7a-aaf78f5fdad5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_64ad47f0-a4e9-401e-bd9e-ef7b073d5488" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_bc8e3883-c87e-440a-bb7a-aaf78f5fdad5" xlink:to="loc_exc_CommonwealthEdisonCoMember_64ad47f0-a4e9-401e-bd9e-ef7b073d5488" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_8422b77c-e1fa-452c-93da-130ccba1bbc0" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_bc8e3883-c87e-440a-bb7a-aaf78f5fdad5" xlink:to="loc_exc_PecoEnergyCoMember_8422b77c-e1fa-452c-93da-130ccba1bbc0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_2e08a151-3818-4083-95c1-9239b64775e7" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_bc8e3883-c87e-440a-bb7a-aaf78f5fdad5" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_2e08a151-3818-4083-95c1-9239b64775e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_ac1d2426-cf14-41ce-a09c-d3d5dd031c4c" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_bc8e3883-c87e-440a-bb7a-aaf78f5fdad5" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_ac1d2426-cf14-41ce-a09c-d3d5dd031c4c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_574d8bd1-baef-4464-a72d-41c7aab1206d" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_bc8e3883-c87e-440a-bb7a-aaf78f5fdad5" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_574d8bd1-baef-4464-a72d-41c7aab1206d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_8f9398eb-b14d-428a-94ba-b1ddab76dbf5" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_bc8e3883-c87e-440a-bb7a-aaf78f5fdad5" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_8f9398eb-b14d-428a-94ba-b1ddab76dbf5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_0eb01289-7251-4fbd-84a3-c33ac148b87a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRegulatoryProceedingAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesTable_a8977e37-023c-45e6-874a-e008ce36b25f" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_0eb01289-7251-4fbd-84a3-c33ac148b87a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_2f1ff06f-c274-4e61-ab8e-7be47c49760a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRegulatoryProceedingDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_0eb01289-7251-4fbd-84a3-c33ac148b87a" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_2f1ff06f-c274-4e61-ab8e-7be47c49760a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Maryland2020ElectricDistributionBaseRateCaseMember_ba78e4e1-a709-4303-b315-bb7ccd66bfad" xlink:href="exc-20220930.xsd#exc_Maryland2020ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_2f1ff06f-c274-4e61-ab8e-7be47c49760a" xlink:to="loc_exc_Maryland2020ElectricDistributionBaseRateCaseMember_ba78e4e1-a709-4303-b315-bb7ccd66bfad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Maryland2020GasDistributionBaseRateCaseMember_c0594a61-e374-47b8-9324-3dfc86d2b646" xlink:href="exc-20220930.xsd#exc_Maryland2020GasDistributionBaseRateCaseMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_2f1ff06f-c274-4e61-ab8e-7be47c49760a" xlink:to="loc_exc_Maryland2020GasDistributionBaseRateCaseMember_c0594a61-e374-47b8-9324-3dfc86d2b646" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DistrictofColumbia2019ElectricDistributionBaseRateCaseMember_9bbc685c-abed-498a-aa26-f1924f4a779f" xlink:href="exc-20220930.xsd#exc_DistrictofColumbia2019ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_2f1ff06f-c274-4e61-ab8e-7be47c49760a" xlink:to="loc_exc_DistrictofColumbia2019ElectricDistributionBaseRateCaseMember_9bbc685c-abed-498a-aa26-f1924f4a779f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_NewJersey2020ElectricDistributionBaseRateCaseMember_879805e7-b291-4d8d-9d9b-cd762fa6ca45" xlink:href="exc-20220930.xsd#exc_NewJersey2020ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_2f1ff06f-c274-4e61-ab8e-7be47c49760a" xlink:to="loc_exc_NewJersey2020ElectricDistributionBaseRateCaseMember_879805e7-b291-4d8d-9d9b-cd762fa6ca45" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Illinois2021ElectricDistributionBaseRateCaseMember_677262c1-5ddf-473c-9dda-a1fa8522a314" xlink:href="exc-20220930.xsd#exc_Illinois2021ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_2f1ff06f-c274-4e61-ab8e-7be47c49760a" xlink:to="loc_exc_Illinois2021ElectricDistributionBaseRateCaseMember_677262c1-5ddf-473c-9dda-a1fa8522a314" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Illinois2021ElectricDistributionBaseRateCase2020ReconciliationMember_9851953b-4887-4f83-b0c2-24144a7e07ee" xlink:href="exc-20220930.xsd#exc_Illinois2021ElectricDistributionBaseRateCase2020ReconciliationMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_2f1ff06f-c274-4e61-ab8e-7be47c49760a" xlink:to="loc_exc_Illinois2021ElectricDistributionBaseRateCase2020ReconciliationMember_9851953b-4887-4f83-b0c2-24144a7e07ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Maryland2021ElectricDistributionBaseRateCaseMember_5f089b12-5590-4f2f-8dbb-0bb258d976d3" xlink:href="exc-20220930.xsd#exc_Maryland2021ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_2f1ff06f-c274-4e61-ab8e-7be47c49760a" xlink:to="loc_exc_Maryland2021ElectricDistributionBaseRateCaseMember_5f089b12-5590-4f2f-8dbb-0bb258d976d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Pennsylvania2021ElectricDistributionBaseRateCaseMember_db3017c5-a45f-47ae-86de-1caecdddff3f" xlink:href="exc-20220930.xsd#exc_Pennsylvania2021ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_2f1ff06f-c274-4e61-ab8e-7be47c49760a" xlink:to="loc_exc_Pennsylvania2021ElectricDistributionBaseRateCaseMember_db3017c5-a45f-47ae-86de-1caecdddff3f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Pennsylvania2022NaturalGasDistributionBaseRateCaseMember_4caf8186-be2c-4e1c-b02c-fbde1353c831" xlink:href="exc-20220930.xsd#exc_Pennsylvania2022NaturalGasDistributionBaseRateCaseMember"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_2f1ff06f-c274-4e61-ab8e-7be47c49760a" xlink:to="loc_exc_Pennsylvania2022NaturalGasDistributionBaseRateCaseMember_4caf8186-be2c-4e1c-b02c-fbde1353c831" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Delaware2022NaturalGasDistributionBaseRateCaseMember_3769176b-f841-40f7-a1b6-037f9917316d" xlink:href="exc-20220930.xsd#exc_Delaware2022NaturalGasDistributionBaseRateCaseMember"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_2f1ff06f-c274-4e61-ab8e-7be47c49760a" xlink:to="loc_exc_Delaware2022NaturalGasDistributionBaseRateCaseMember_3769176b-f841-40f7-a1b6-037f9917316d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ComEd2022EnergyEfficiencyFormulaRateDomain_97b2a969-e43d-4052-a7e6-3b8c7e69c498" xlink:href="exc-20220930.xsd#exc_ComEd2022EnergyEfficiencyFormulaRateDomain"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_2f1ff06f-c274-4e61-ab8e-7be47c49760a" xlink:to="loc_exc_ComEd2022EnergyEfficiencyFormulaRateDomain_97b2a969-e43d-4052-a7e6-3b8c7e69c498" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseOffsetsAxis_7670c077-dc10-43a8-a1e5-0f1e492c23de" xlink:href="exc-20220930.xsd#exc_PublicUtilitiesApprovedRateIncreaseDecreaseOffsetsAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesTable_a8977e37-023c-45e6-874a-e008ce36b25f" xlink:to="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseOffsetsAxis_7670c077-dc10-43a8-a1e5-0f1e492c23de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseOffsetsDomain_63240049-4d96-4373-a47c-6fe8c2be3d83" xlink:href="exc-20220930.xsd#exc_PublicUtilitiesApprovedRateIncreaseDecreaseOffsetsDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseOffsetsAxis_7670c077-dc10-43a8-a1e5-0f1e492c23de" xlink:to="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseOffsetsDomain_63240049-4d96-4373-a47c-6fe8c2be3d83" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OffsetsMember_ef2ffecc-baec-4d56-9f94-b611f0370607" xlink:href="exc-20220930.xsd#exc_OffsetsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseOffsetsDomain_63240049-4d96-4373-a47c-6fe8c2be3d83" xlink:to="loc_exc_OffsetsMember_ef2ffecc-baec-4d56-9f94-b611f0370607" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseTaxBenefitsAxis_998566bb-a476-4129-b304-553d40000078" xlink:href="exc-20220930.xsd#exc_PublicUtilitiesApprovedRateIncreaseDecreaseTaxBenefitsAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesTable_a8977e37-023c-45e6-874a-e008ce36b25f" xlink:to="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseTaxBenefitsAxis_998566bb-a476-4129-b304-553d40000078" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseTaxBenefitsDomain_a3d01c36-d73b-4a3e-986a-d0d79ea4b01d" xlink:href="exc-20220930.xsd#exc_PublicUtilitiesApprovedRateIncreaseDecreaseTaxBenefitsDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseTaxBenefitsAxis_998566bb-a476-4129-b304-553d40000078" xlink:to="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseTaxBenefitsDomain_a3d01c36-d73b-4a3e-986a-d0d79ea4b01d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_TaxBenefitsMember_a4f2c29d-21cb-4cbc-934f-ac23bfc70064" xlink:href="exc-20220930.xsd#exc_TaxBenefitsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseTaxBenefitsDomain_a3d01c36-d73b-4a3e-986a-d0d79ea4b01d" xlink:to="loc_exc_TaxBenefitsMember_a4f2c29d-21cb-4cbc-934f-ac23bfc70064" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PenaltyAxis_856bf25a-355e-413e-a1d8-236b5a1917cb" xlink:href="exc-20220930.xsd#exc_PenaltyAxis"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesTable_a8977e37-023c-45e6-874a-e008ce36b25f" xlink:to="loc_exc_PenaltyAxis_856bf25a-355e-413e-a1d8-236b5a1917cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PenaltyDomain_0241c0d1-ab0e-47ac-97fa-4e217c842e7d" xlink:href="exc-20220930.xsd#exc_PenaltyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PenaltyAxis_856bf25a-355e-413e-a1d8-236b5a1917cb" xlink:to="loc_exc_PenaltyDomain_0241c0d1-ab0e-47ac-97fa-4e217c842e7d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PerformanceMetricsPenaltyMember_280e2672-14d7-4a97-8288-63c867ac6046" xlink:href="exc-20220930.xsd#exc_PerformanceMetricsPenaltyMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PenaltyDomain_0241c0d1-ab0e-47ac-97fa-4e217c842e7d" xlink:to="loc_exc_PerformanceMetricsPenaltyMember_280e2672-14d7-4a97-8288-63c867ac6046" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PeriodAxis_ec966f75-83b3-465c-b858-d8ee0397360b" xlink:href="exc-20220930.xsd#exc_PeriodAxis"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesTable_a8977e37-023c-45e6-874a-e008ce36b25f" xlink:to="loc_exc_PeriodAxis_ec966f75-83b3-465c-b858-d8ee0397360b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PeriodDomain_3f063c44-5149-4f58-8da7-95bf4a6cfe0f" xlink:href="exc-20220930.xsd#exc_PeriodDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodAxis_ec966f75-83b3-465c-b858-d8ee0397360b" xlink:to="loc_exc_PeriodDomain_3f063c44-5149-4f58-8da7-95bf4a6cfe0f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2020Member_5b88b924-e284-48de-8fa8-b7f2878db9ed" xlink:href="exc-20220930.xsd#exc_A2020Member"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_3f063c44-5149-4f58-8da7-95bf4a6cfe0f" xlink:to="loc_exc_A2020Member_5b88b924-e284-48de-8fa8-b7f2878db9ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2021Member_ac80891e-2542-4ba7-982f-26bbe15a0b90" xlink:href="exc-20220930.xsd#exc_A2021Member"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_3f063c44-5149-4f58-8da7-95bf4a6cfe0f" xlink:to="loc_exc_A2021Member_ac80891e-2542-4ba7-982f-26bbe15a0b90" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2022Member_9bb8e346-3529-4663-a262-895325b0f32c" xlink:href="exc-20220930.xsd#exc_A2022Member"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_3f063c44-5149-4f58-8da7-95bf4a6cfe0f" xlink:to="loc_exc_A2022Member_9bb8e346-3529-4663-a262-895325b0f32c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2023Member_c5754e4d-b89e-49ff-9912-88a7ae4d467a" xlink:href="exc-20220930.xsd#exc_A2023Member"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_3f063c44-5149-4f58-8da7-95bf4a6cfe0f" xlink:to="loc_exc_A2023Member_c5754e4d-b89e-49ff-9912-88a7ae4d467a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2024Member_8591d6f7-cc21-4fbc-bb15-21c0e1c32d08" xlink:href="exc-20220930.xsd#exc_A2024Member"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_3f063c44-5149-4f58-8da7-95bf4a6cfe0f" xlink:to="loc_exc_A2024Member_8591d6f7-cc21-4fbc-bb15-21c0e1c32d08" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RegulatoryMattersCompletedRateCasesLineItems_f065bc47-2d15-4134-a317-404196bb622a" xlink:href="exc-20220930.xsd#exc_RegulatoryMattersCompletedRateCasesLineItems"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesTable_a8977e37-023c-45e6-874a-e008ce36b25f" xlink:to="loc_exc_RegulatoryMattersCompletedRateCasesLineItems_f065bc47-2d15-4134-a317-404196bb622a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount_5e79f85d-1bd1-44dd-a937-aec453d1f343" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesLineItems_f065bc47-2d15-4134-a317-404196bb622a" xlink:to="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount_5e79f85d-1bd1-44dd-a937-aec453d1f343" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount_17fb31ec-de22-4494-be17-b3de744238dc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesLineItems_f065bc47-2d15-4134-a317-404196bb622a" xlink:to="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount_17fb31ec-de22-4494-be17-b3de744238dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount_5e6d5a6e-540c-4ba0-9ee0-9be4c3002ce0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesLineItems_f065bc47-2d15-4134-a317-404196bb622a" xlink:to="loc_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount_5e6d5a6e-540c-4ba0-9ee0-9be4c3002ce0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage_728ff0e2-e268-4664-8c18-4b8e0aa297c4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesLineItems_f065bc47-2d15-4134-a317-404196bb622a" xlink:to="loc_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage_728ff0e2-e268-4664-8c18-4b8e0aa297c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreasePriorYearAnnualReconciliation_99ece9db-5a19-4826-9a71-0de406bf5765" xlink:href="exc-20220930.xsd#exc_PublicUtilitiesRequestedRateIncreaseDecreasePriorYearAnnualReconciliation"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesLineItems_f065bc47-2d15-4134-a317-404196bb622a" xlink:to="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreasePriorYearAnnualReconciliation_99ece9db-5a19-4826-9a71-0de406bf5765" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage_1a5e91cb-9309-4796-a374-22e0969500ad" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesLineItems_f065bc47-2d15-4134-a317-404196bb622a" xlink:to="loc_us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage_1a5e91cb-9309-4796-a374-22e0969500ad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BasispointsforComEdsRevenueRequirement_c6e4c9c5-ea4d-422e-ace5-6699a05775b7" xlink:href="exc-20220930.xsd#exc_BasispointsforComEdsRevenueRequirement"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesLineItems_f065bc47-2d15-4134-a317-404196bb622a" xlink:to="loc_exc_BasispointsforComEdsRevenueRequirement_c6e4c9c5-ea4d-422e-ace5-6699a05775b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreasePercentage_7bc94a51-967c-41a6-b03b-aba269b5ee79" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesApprovedRateIncreaseDecreasePercentage"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesLineItems_f065bc47-2d15-4134-a317-404196bb622a" xlink:to="loc_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreasePercentage_7bc94a51-967c-41a6-b03b-aba269b5ee79" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RegulatoryMattersScheduleofPendingRateCasesDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#RegulatoryMattersScheduleofPendingRateCasesDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RegulatoryMattersScheduleofPendingRateCasesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedOperationsAbstract_d666c2dc-7b4d-44a2-8d27-dd3f715d6525" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatedOperationsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RegulatoryMattersPendingRateCasesTable_93b2e5cd-6a1e-4dbc-9072-2d1223bdc13b" xlink:href="exc-20220930.xsd#exc_RegulatoryMattersPendingRateCasesTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_d666c2dc-7b4d-44a2-8d27-dd3f715d6525" xlink:to="loc_exc_RegulatoryMattersPendingRateCasesTable_93b2e5cd-6a1e-4dbc-9072-2d1223bdc13b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_8eba6e9b-83ad-4555-be18-854d0e535762" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesTable_93b2e5cd-6a1e-4dbc-9072-2d1223bdc13b" xlink:to="loc_dei_LegalEntityAxis_8eba6e9b-83ad-4555-be18-854d0e535762" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_5c421b1e-00e0-4aae-84a9-bdfa15a3a1c2" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_8eba6e9b-83ad-4555-be18-854d0e535762" xlink:to="loc_dei_EntityDomain_5c421b1e-00e0-4aae-84a9-bdfa15a3a1c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_627f26be-51f9-4b00-9fe4-5527d9f2b058" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_5c421b1e-00e0-4aae-84a9-bdfa15a3a1c2" xlink:to="loc_exc_CommonwealthEdisonCoMember_627f26be-51f9-4b00-9fe4-5527d9f2b058" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_15ab0732-9d74-4a47-b45e-80ab7d9a4eb6" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_5c421b1e-00e0-4aae-84a9-bdfa15a3a1c2" xlink:to="loc_exc_PecoEnergyCoMember_15ab0732-9d74-4a47-b45e-80ab7d9a4eb6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_eb35f1a6-af52-4701-b6ad-48f41d866085" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_5c421b1e-00e0-4aae-84a9-bdfa15a3a1c2" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_eb35f1a6-af52-4701-b6ad-48f41d866085" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_5243388a-bfd8-4da5-86ff-5baa0e639c29" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRegulatoryProceedingAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesTable_93b2e5cd-6a1e-4dbc-9072-2d1223bdc13b" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_5243388a-bfd8-4da5-86ff-5baa0e639c29" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_f4347dbd-3cf9-4a12-a692-c84577a0be97" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRegulatoryProceedingDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_5243388a-bfd8-4da5-86ff-5baa0e639c29" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_f4347dbd-3cf9-4a12-a692-c84577a0be97" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Illinois2022ElectricDistributionBaseRateCaseMember_5ef5e332-0d4c-4ae9-9e1c-7bdaee1ce25b" xlink:href="exc-20220930.xsd#exc_Illinois2022ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_f4347dbd-3cf9-4a12-a692-c84577a0be97" xlink:to="loc_exc_Illinois2022ElectricDistributionBaseRateCaseMember_5ef5e332-0d4c-4ae9-9e1c-7bdaee1ce25b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Maryland2022ElectricDistributionBaseRateCaseMember_05e9c22b-680b-4ef8-932f-ca587b9b54d6" xlink:href="exc-20220930.xsd#exc_Maryland2022ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_f4347dbd-3cf9-4a12-a692-c84577a0be97" xlink:to="loc_exc_Maryland2022ElectricDistributionBaseRateCaseMember_05e9c22b-680b-4ef8-932f-ca587b9b54d6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PenaltyAxis_96a2e741-124a-4e20-9002-48c657252a7c" xlink:href="exc-20220930.xsd#exc_PenaltyAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesTable_93b2e5cd-6a1e-4dbc-9072-2d1223bdc13b" xlink:to="loc_exc_PenaltyAxis_96a2e741-124a-4e20-9002-48c657252a7c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PenaltyDomain_403f0412-3c31-47e5-9730-6951ec7135cb" xlink:href="exc-20220930.xsd#exc_PenaltyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PenaltyAxis_96a2e741-124a-4e20-9002-48c657252a7c" xlink:to="loc_exc_PenaltyDomain_403f0412-3c31-47e5-9730-6951ec7135cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PerformanceMetricsPenaltyMember_37322b7a-4b9f-47f4-8c08-aaedde265c78" xlink:href="exc-20220930.xsd#exc_PerformanceMetricsPenaltyMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PenaltyDomain_403f0412-3c31-47e5-9730-6951ec7135cb" xlink:to="loc_exc_PerformanceMetricsPenaltyMember_37322b7a-4b9f-47f4-8c08-aaedde265c78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_890be398-3154-491a-bca1-70e1f7a81c97" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesTable_93b2e5cd-6a1e-4dbc-9072-2d1223bdc13b" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_890be398-3154-491a-bca1-70e1f7a81c97" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_6e639e0d-1e87-4948-9177-a1d07574c74e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_890be398-3154-491a-bca1-70e1f7a81c97" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_6e639e0d-1e87-4948-9177-a1d07574c74e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_04b6be35-dc6e-47f9-9c2c-d6b0b07797a6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_6e639e0d-1e87-4948-9177-a1d07574c74e" xlink:to="loc_us-gaap_SubsequentEventMember_04b6be35-dc6e-47f9-9c2c-d6b0b07797a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PeriodAxis_872ec734-ad4c-4e1b-9b06-81f160590b01" xlink:href="exc-20220930.xsd#exc_PeriodAxis"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesTable_93b2e5cd-6a1e-4dbc-9072-2d1223bdc13b" xlink:to="loc_exc_PeriodAxis_872ec734-ad4c-4e1b-9b06-81f160590b01" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PeriodDomain_bba1aa85-a4ad-45e2-ae83-7ce73c802d47" xlink:href="exc-20220930.xsd#exc_PeriodDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodAxis_872ec734-ad4c-4e1b-9b06-81f160590b01" xlink:to="loc_exc_PeriodDomain_bba1aa85-a4ad-45e2-ae83-7ce73c802d47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2023Member_c47495fb-9f1b-4ab3-94e1-f3a515286ed2" xlink:href="exc-20220930.xsd#exc_A2023Member"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_bba1aa85-a4ad-45e2-ae83-7ce73c802d47" xlink:to="loc_exc_A2023Member_c47495fb-9f1b-4ab3-94e1-f3a515286ed2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2021Member_39a38ed7-105e-44c5-a78e-ddca87fa991f" xlink:href="exc-20220930.xsd#exc_A2021Member"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_bba1aa85-a4ad-45e2-ae83-7ce73c802d47" xlink:to="loc_exc_A2021Member_39a38ed7-105e-44c5-a78e-ddca87fa991f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2024Member_1b3c118b-9bb3-4ab6-843f-169e73145f73" xlink:href="exc-20220930.xsd#exc_A2024Member"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_bba1aa85-a4ad-45e2-ae83-7ce73c802d47" xlink:to="loc_exc_A2024Member_1b3c118b-9bb3-4ab6-843f-169e73145f73" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2025Member_23d56933-dc02-466c-bbeb-28f047eff2e4" xlink:href="exc-20220930.xsd#exc_A2025Member"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_bba1aa85-a4ad-45e2-ae83-7ce73c802d47" xlink:to="loc_exc_A2025Member_23d56933-dc02-466c-bbeb-28f047eff2e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RegulatoryMattersPendingRateCasesLineItems_8e2f424f-0c5d-4e06-80d2-abff4e4f2105" xlink:href="exc-20220930.xsd#exc_RegulatoryMattersPendingRateCasesLineItems"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesTable_93b2e5cd-6a1e-4dbc-9072-2d1223bdc13b" xlink:to="loc_exc_RegulatoryMattersPendingRateCasesLineItems_8e2f424f-0c5d-4e06-80d2-abff4e4f2105" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount_baac35e5-d186-421e-b561-6070ace56d66" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesLineItems_8e2f424f-0c5d-4e06-80d2-abff4e4f2105" xlink:to="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount_baac35e5-d186-421e-b561-6070ace56d66" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount_8b17773a-76c6-42e0-88d1-18fb435481c2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesLineItems_8e2f424f-0c5d-4e06-80d2-abff4e4f2105" xlink:to="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount_8b17773a-76c6-42e0-88d1-18fb435481c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedReturnOnEquityPercentage_0bb2c05b-a663-4e0a-970d-5ae83442e5f5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRequestedReturnOnEquityPercentage"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesLineItems_8e2f424f-0c5d-4e06-80d2-abff4e4f2105" xlink:to="loc_us-gaap_PublicUtilitiesRequestedReturnOnEquityPercentage_0bb2c05b-a663-4e0a-970d-5ae83442e5f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreaseInitialRevenueRequirementAmount_35bfa66b-4e34-48c6-b6c9-7d249b2e98ff" xlink:href="exc-20220930.xsd#exc_PublicUtilitiesRequestedRateIncreaseDecreaseInitialRevenueRequirementAmount"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesLineItems_8e2f424f-0c5d-4e06-80d2-abff4e4f2105" xlink:to="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreaseInitialRevenueRequirementAmount_35bfa66b-4e34-48c6-b6c9-7d249b2e98ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreasePriorYearAnnualReconciliation_369e31be-bba6-4cd4-a780-f6cc5921d9db" xlink:href="exc-20220930.xsd#exc_PublicUtilitiesRequestedRateIncreaseDecreasePriorYearAnnualReconciliation"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesLineItems_8e2f424f-0c5d-4e06-80d2-abff4e4f2105" xlink:to="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreasePriorYearAnnualReconciliation_369e31be-bba6-4cd4-a780-f6cc5921d9db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage_21112ba7-8166-4f9b-875c-068d69030943" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesLineItems_8e2f424f-0c5d-4e06-80d2-abff4e4f2105" xlink:to="loc_us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage_21112ba7-8166-4f9b-875c-068d69030943" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BasispointsforComEdsRevenueRequirement_0d4f3ee8-d550-4eae-972c-85a291ee799a" xlink:href="exc-20220930.xsd#exc_BasispointsforComEdsRevenueRequirement"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesLineItems_8e2f424f-0c5d-4e06-80d2-abff4e4f2105" xlink:to="loc_exc_BasispointsforComEdsRevenueRequirement_0d4f3ee8-d550-4eae-972c-85a291ee799a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreaseTaxBenefits_2b2df073-e024-4944-91fe-a263e49af67d" xlink:href="exc-20220930.xsd#exc_PublicUtilitiesRequestedRateIncreaseDecreaseTaxBenefits"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesLineItems_8e2f424f-0c5d-4e06-80d2-abff4e4f2105" xlink:to="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreaseTaxBenefits_2b2df073-e024-4944-91fe-a263e49af67d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RegulatoryMattersAnnualElectricTransmissionFillingsDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#RegulatoryMattersAnnualElectricTransmissionFillingsDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RegulatoryMattersAnnualElectricTransmissionFillingsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedOperationsAbstract_5ceef6b4-df1d-4edf-953b-a65e2e56e679" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatedOperationsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesGeneralDisclosuresTable_732b7d34-c980-4f3d-8b20-ccc31757dfa0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesGeneralDisclosuresTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_5ceef6b4-df1d-4edf-953b-a65e2e56e679" xlink:to="loc_us-gaap_PublicUtilitiesGeneralDisclosuresTable_732b7d34-c980-4f3d-8b20-ccc31757dfa0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_dbf27b30-af64-4ca3-bab3-2642cc3823a9" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesGeneralDisclosuresTable_732b7d34-c980-4f3d-8b20-ccc31757dfa0" xlink:to="loc_dei_LegalEntityAxis_dbf27b30-af64-4ca3-bab3-2642cc3823a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_e1eda09a-0628-48d6-8a3b-abc0f3142ea8" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_dbf27b30-af64-4ca3-bab3-2642cc3823a9" xlink:to="loc_dei_EntityDomain_e1eda09a-0628-48d6-8a3b-abc0f3142ea8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_cb4a9b8a-ac7e-4296-b367-9235aecbccd2" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e1eda09a-0628-48d6-8a3b-abc0f3142ea8" xlink:to="loc_exc_CommonwealthEdisonCoMember_cb4a9b8a-ac7e-4296-b367-9235aecbccd2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_bc02a7d8-c746-43e8-8e4f-65877fac7d1d" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e1eda09a-0628-48d6-8a3b-abc0f3142ea8" xlink:to="loc_exc_PecoEnergyCoMember_bc02a7d8-c746-43e8-8e4f-65877fac7d1d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_8c445feb-e530-41e1-8d58-76b0d967c957" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e1eda09a-0628-48d6-8a3b-abc0f3142ea8" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_8c445feb-e530-41e1-8d58-76b0d967c957" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_47a00811-96c6-4427-ae70-a8067a91a50f" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e1eda09a-0628-48d6-8a3b-abc0f3142ea8" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_47a00811-96c6-4427-ae70-a8067a91a50f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_0209a4fe-8fae-4294-a71e-53fecfb9afb5" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e1eda09a-0628-48d6-8a3b-abc0f3142ea8" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_0209a4fe-8fae-4294-a71e-53fecfb9afb5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_beeb6be6-b3b1-4639-946c-41931d710e21" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e1eda09a-0628-48d6-8a3b-abc0f3142ea8" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_beeb6be6-b3b1-4639-946c-41931d710e21" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_22927993-7ddc-49f2-84ed-da63b81725e4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRegulatoryProceedingAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesGeneralDisclosuresTable_732b7d34-c980-4f3d-8b20-ccc31757dfa0" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_22927993-7ddc-49f2-84ed-da63b81725e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_feb43855-804c-450a-8594-174e43bb059e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRegulatoryProceedingDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_22927993-7ddc-49f2-84ed-da63b81725e4" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_feb43855-804c-450a-8594-174e43bb059e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2022TransmissionFormulaRateAnnualUpdateDomain_a9b2ef5d-79ab-4f88-a40d-6d9e99b60ac7" xlink:href="exc-20220930.xsd#exc_A2022TransmissionFormulaRateAnnualUpdateDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_feb43855-804c-450a-8594-174e43bb059e" xlink:to="loc_exc_A2022TransmissionFormulaRateAnnualUpdateDomain_a9b2ef5d-79ab-4f88-a40d-6d9e99b60ac7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2022TransmissionFormulaRateRevenueReductionMember_a7b244dc-adb4-4101-a4b1-6861a6e2bd0a" xlink:href="exc-20220930.xsd#exc_A2022TransmissionFormulaRateRevenueReductionMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_feb43855-804c-450a-8594-174e43bb059e" xlink:to="loc_exc_A2022TransmissionFormulaRateRevenueReductionMember_a7b244dc-adb4-4101-a4b1-6861a6e2bd0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems_3f553b86-3357-41e8-bf7b-35dfc4d09323" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesGeneralDisclosuresLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesGeneralDisclosuresTable_732b7d34-c980-4f3d-8b20-ccc31757dfa0" xlink:to="loc_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems_3f553b86-3357-41e8-bf7b-35dfc4d09323" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount_3d505edd-a6b2-41d0-b985-f8c5fa0b471b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems_3f553b86-3357-41e8-bf7b-35dfc4d09323" xlink:to="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount_3d505edd-a6b2-41d0-b985-f8c5fa0b471b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Revenue_1dacc5c0-14c8-4a07-a5ab-ff9a7002a170" xlink:href="exc-20220930.xsd#exc_Revenue"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems_3f553b86-3357-41e8-bf7b-35dfc4d09323" xlink:to="loc_exc_Revenue_1dacc5c0-14c8-4a07-a5ab-ff9a7002a170" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount_7036cce1-8a02-4425-bda3-c76f10bf9908" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems_3f553b86-3357-41e8-bf7b-35dfc4d09323" xlink:to="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount_7036cce1-8a02-4425-bda3-c76f10bf9908" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage_a97f85c6-676e-4418-a15c-f75d0d8ad77d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems_3f553b86-3357-41e8-bf7b-35dfc4d09323" xlink:to="loc_us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage_a97f85c6-676e-4418-a15c-f75d0d8ad77d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage_1fd8b28c-0499-4fb2-976c-05fbee6c9bcd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems_3f553b86-3357-41e8-bf7b-35dfc4d09323" xlink:to="loc_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage_1fd8b28c-0499-4fb2-976c-05fbee6c9bcd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CaponEquityComponentofRateofReturnonCommonEquityinFederalEnergyRegulatoryCommitteeComplaint_f973c715-246e-4d9d-a8f0-4c7cd11c3686" xlink:href="exc-20220930.xsd#exc_CaponEquityComponentofRateofReturnonCommonEquityinFederalEnergyRegulatoryCommitteeComplaint"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems_3f553b86-3357-41e8-bf7b-35dfc4d09323" xlink:to="loc_exc_CaponEquityComponentofRateofReturnonCommonEquityinFederalEnergyRegulatoryCommitteeComplaint_f973c715-246e-4d9d-a8f0-4c7cd11c3686" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BasisPointsForTransmissionFormulaRate_aed236cc-0b4f-4c79-8c7f-4181b9a1dbe0" xlink:href="exc-20220930.xsd#exc_BasisPointsForTransmissionFormulaRate"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems_3f553b86-3357-41e8-bf7b-35dfc4d09323" xlink:to="loc_exc_BasisPointsForTransmissionFormulaRate_aed236cc-0b4f-4c79-8c7f-4181b9a1dbe0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RegulatoryMattersEnergyEfficiencyFormulaRateDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#RegulatoryMattersEnergyEfficiencyFormulaRateDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RegulatoryMattersEnergyEfficiencyFormulaRateDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedOperationsAbstract_eba871df-6fd4-4167-b58e-44d38a026a0a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatedOperationsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesTable_00d0c966-c06c-45cf-a00f-e7b050f39b19" xlink:href="exc-20220930.xsd#exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_eba871df-6fd4-4167-b58e-44d38a026a0a" xlink:to="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesTable_00d0c966-c06c-45cf-a00f-e7b050f39b19" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_afe55804-91e5-4214-895c-92f88e7a5463" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRegulatoryProceedingAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesTable_00d0c966-c06c-45cf-a00f-e7b050f39b19" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_afe55804-91e5-4214-895c-92f88e7a5463" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_d9958bba-c270-421a-82ed-db080dff254c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRegulatoryProceedingDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_afe55804-91e5-4214-895c-92f88e7a5463" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_d9958bba-c270-421a-82ed-db080dff254c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ComEd2022EnergyEfficiencyFormulaRateDomain_55060277-4ff2-4fa3-ad8a-3e5b3503d7c0" xlink:href="exc-20220930.xsd#exc_ComEd2022EnergyEfficiencyFormulaRateDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_d9958bba-c270-421a-82ed-db080dff254c" xlink:to="loc_exc_ComEd2022EnergyEfficiencyFormulaRateDomain_55060277-4ff2-4fa3-ad8a-3e5b3503d7c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_011bc11f-7ca8-4cca-88fe-f89b25cfdb66" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesTable_00d0c966-c06c-45cf-a00f-e7b050f39b19" xlink:to="loc_dei_LegalEntityAxis_011bc11f-7ca8-4cca-88fe-f89b25cfdb66" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_3ad2a83b-d0fc-447f-b98f-d5186b6a9128" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_011bc11f-7ca8-4cca-88fe-f89b25cfdb66" xlink:to="loc_dei_EntityDomain_3ad2a83b-d0fc-447f-b98f-d5186b6a9128" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_a9a16fc2-7386-4d48-ac96-f7477e222519" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3ad2a83b-d0fc-447f-b98f-d5186b6a9128" xlink:to="loc_exc_CommonwealthEdisonCoMember_a9a16fc2-7386-4d48-ac96-f7477e222519" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PeriodAxis_7420a0ca-131f-4c41-9643-66e406486392" xlink:href="exc-20220930.xsd#exc_PeriodAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesTable_00d0c966-c06c-45cf-a00f-e7b050f39b19" xlink:to="loc_exc_PeriodAxis_7420a0ca-131f-4c41-9643-66e406486392" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PeriodDomain_be29e555-e1b9-40e0-bc72-11d92d3c6313" xlink:href="exc-20220930.xsd#exc_PeriodDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodAxis_7420a0ca-131f-4c41-9643-66e406486392" xlink:to="loc_exc_PeriodDomain_be29e555-e1b9-40e0-bc72-11d92d3c6313" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2021Member_3fb64b78-edce-42d9-ac2d-e92fe6756e22" xlink:href="exc-20220930.xsd#exc_A2021Member"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_be29e555-e1b9-40e0-bc72-11d92d3c6313" xlink:to="loc_exc_A2021Member_3fb64b78-edce-42d9-ac2d-e92fe6756e22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesLineItems_3727a1ad-4ac4-4902-82eb-e8f894c8100e" xlink:href="exc-20220930.xsd#exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesLineItems"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesTable_00d0c966-c06c-45cf-a00f-e7b050f39b19" xlink:to="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesLineItems_3727a1ad-4ac4-4902-82eb-e8f894c8100e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount_b0f759ff-f257-44f7-94f7-ebbc9a2bd2e3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesLineItems_3727a1ad-4ac4-4902-82eb-e8f894c8100e" xlink:to="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount_b0f759ff-f257-44f7-94f7-ebbc9a2bd2e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreasePriorYearAnnualReconciliation_154bf286-e489-4460-9aa5-b2b2c9f55bbc" xlink:href="exc-20220930.xsd#exc_PublicUtilitiesRequestedRateIncreaseDecreasePriorYearAnnualReconciliation"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesLineItems_3727a1ad-4ac4-4902-82eb-e8f894c8100e" xlink:to="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreasePriorYearAnnualReconciliation_154bf286-e489-4460-9aa5-b2b2c9f55bbc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount_480c377f-e52a-49a1-94c9-5513fbba3f3a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesLineItems_3727a1ad-4ac4-4902-82eb-e8f894c8100e" xlink:to="loc_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount_480c377f-e52a-49a1-94c9-5513fbba3f3a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage_28c04a1c-5c66-4371-9c10-f58d9af5b347" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesLineItems_3727a1ad-4ac4-4902-82eb-e8f894c8100e" xlink:to="loc_us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage_28c04a1c-5c66-4371-9c10-f58d9af5b347" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BasispointsforComEdsRevenueRequirement_e159e905-f8e5-4b89-b913-ab032511c3de" xlink:href="exc-20220930.xsd#exc_BasispointsforComEdsRevenueRequirement"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesLineItems_3727a1ad-4ac4-4902-82eb-e8f894c8100e" xlink:to="loc_exc_BasispointsforComEdsRevenueRequirement_e159e905-f8e5-4b89-b913-ab032511c3de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage_b9141575-cfc2-4966-9b39-78803b986c2c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesLineItems_3727a1ad-4ac4-4902-82eb-e8f894c8100e" xlink:to="loc_us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage_b9141575-cfc2-4966-9b39-78803b986c2c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage_39a9f3cf-bc68-4ec1-bd44-50d6a1a22ae1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesLineItems_3727a1ad-4ac4-4902-82eb-e8f894c8100e" xlink:to="loc_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage_39a9f3cf-bc68-4ec1-bd44-50d6a1a22ae1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RegulatoryMattersCapitalizedRatemakingAmountNotRecognizedDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#RegulatoryMattersCapitalizedRatemakingAmountNotRecognizedDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RegulatoryMattersCapitalizedRatemakingAmountNotRecognizedDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedOperationsAbstract_5a684bf1-6e0a-43db-9009-52dc650a8e68" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatedOperationsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilityPropertyPlantAndEquipmentTable_800a18d2-8031-4f27-a5e0-92246ed566b0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilityPropertyPlantAndEquipmentTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_5a684bf1-6e0a-43db-9009-52dc650a8e68" xlink:to="loc_us-gaap_PublicUtilityPropertyPlantAndEquipmentTable_800a18d2-8031-4f27-a5e0-92246ed566b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_c3fe7ea2-9d10-411d-98d6-2c4188ab7293" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilityPropertyPlantAndEquipmentTable_800a18d2-8031-4f27-a5e0-92246ed566b0" xlink:to="loc_dei_LegalEntityAxis_c3fe7ea2-9d10-411d-98d6-2c4188ab7293" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_6880cf30-1840-478e-9b6c-fcdeac811bd5" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_c3fe7ea2-9d10-411d-98d6-2c4188ab7293" xlink:to="loc_dei_EntityDomain_6880cf30-1840-478e-9b6c-fcdeac811bd5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_c768adcc-b037-40cb-aa24-9116c440b121" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6880cf30-1840-478e-9b6c-fcdeac811bd5" xlink:to="loc_exc_CommonwealthEdisonCoMember_c768adcc-b037-40cb-aa24-9116c440b121" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_c29e22bd-3925-4c77-91aa-c73ba16c187b" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6880cf30-1840-478e-9b6c-fcdeac811bd5" xlink:to="loc_exc_PecoEnergyCoMember_c29e22bd-3925-4c77-91aa-c73ba16c187b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_86e5bda7-72ea-4857-8ca6-fea1e506c4af" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6880cf30-1840-478e-9b6c-fcdeac811bd5" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_86e5bda7-72ea-4857-8ca6-fea1e506c4af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_1ba0b67c-f39d-49e7-8296-b4eed0b6aa8d" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6880cf30-1840-478e-9b6c-fcdeac811bd5" xlink:to="loc_exc_PepcoHoldingsLLCMember_1ba0b67c-f39d-49e7-8296-b4eed0b6aa8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_692c1f4e-8984-4951-846b-c2fa23e4cda4" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6880cf30-1840-478e-9b6c-fcdeac811bd5" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_692c1f4e-8984-4951-846b-c2fa23e4cda4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_b926456a-8f25-4434-aaab-d18e56bf6289" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6880cf30-1840-478e-9b6c-fcdeac811bd5" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_b926456a-8f25-4434-aaab-d18e56bf6289" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_25b017d0-b80a-45b7-9f43-a496ca5e8aa7" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6880cf30-1840-478e-9b6c-fcdeac811bd5" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_25b017d0-b80a-45b7-9f43-a496ca5e8aa7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilityPropertyPlantAndEquipmentLineItems_8136a86f-345a-4214-858f-b20306ca22ce" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilityPropertyPlantAndEquipmentLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilityPropertyPlantAndEquipmentTable_800a18d2-8031-4f27-a5e0-92246ed566b0" xlink:to="loc_us-gaap_PublicUtilityPropertyPlantAndEquipmentLineItems_8136a86f-345a-4214-858f-b20306ca22ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesAmountOfAllowanceForEarningsOnEquityCapitalizedForRateMakingPurposes_81f20d93-5342-4468-a046-d80dffb99e6a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesAmountOfAllowanceForEarningsOnEquityCapitalizedForRateMakingPurposes"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilityPropertyPlantAndEquipmentLineItems_8136a86f-345a-4214-858f-b20306ca22ce" xlink:to="loc_us-gaap_PublicUtilitiesAmountOfAllowanceForEarningsOnEquityCapitalizedForRateMakingPurposes_81f20d93-5342-4468-a046-d80dffb99e6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RegulatoryMattersNarrativeDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#RegulatoryMattersNarrativeDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RegulatoryMattersNarrativeDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedOperationsAbstract_08c97d0a-b6d8-471b-b813-c7b86acb9a0a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatedOperationsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RegulatoryMattersAdditionalNarrativeInformationTable_6d99b696-7c8f-40c5-b8a5-059cc18b9cb2" xlink:href="exc-20220930.xsd#exc_RegulatoryMattersAdditionalNarrativeInformationTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_08c97d0a-b6d8-471b-b813-c7b86acb9a0a" xlink:to="loc_exc_RegulatoryMattersAdditionalNarrativeInformationTable_6d99b696-7c8f-40c5-b8a5-059cc18b9cb2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_a19e493e-3578-4354-b62f-d9d564d5b92d" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationTable_6d99b696-7c8f-40c5-b8a5-059cc18b9cb2" xlink:to="loc_dei_LegalEntityAxis_a19e493e-3578-4354-b62f-d9d564d5b92d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_f3eea34d-2d6c-4ff3-8d5b-fd42b8681bae" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_a19e493e-3578-4354-b62f-d9d564d5b92d" xlink:to="loc_dei_EntityDomain_f3eea34d-2d6c-4ff3-8d5b-fd42b8681bae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_05a83d9b-9951-4eed-9962-c5d40dd57897" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f3eea34d-2d6c-4ff3-8d5b-fd42b8681bae" xlink:to="loc_exc_CommonwealthEdisonCoMember_05a83d9b-9951-4eed-9962-c5d40dd57897" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_737cdfc8-85d6-41f0-804b-72a5c8f70b2f" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f3eea34d-2d6c-4ff3-8d5b-fd42b8681bae" xlink:to="loc_exc_PecoEnergyCoMember_737cdfc8-85d6-41f0-804b-72a5c8f70b2f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_1dc59483-2ccf-4fea-a0e8-0175b7b9b187" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f3eea34d-2d6c-4ff3-8d5b-fd42b8681bae" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_1dc59483-2ccf-4fea-a0e8-0175b7b9b187" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_d723a923-799b-43f5-b143-0243ab9cf0ae" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f3eea34d-2d6c-4ff3-8d5b-fd42b8681bae" xlink:to="loc_exc_PepcoHoldingsLLCMember_d723a923-799b-43f5-b143-0243ab9cf0ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_3d1047f5-6f1c-495f-8115-78768fa1c134" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f3eea34d-2d6c-4ff3-8d5b-fd42b8681bae" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_3d1047f5-6f1c-495f-8115-78768fa1c134" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_09b9ac02-05c5-47db-9a3d-8eb562bb80a8" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f3eea34d-2d6c-4ff3-8d5b-fd42b8681bae" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_09b9ac02-05c5-47db-9a3d-8eb562bb80a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_fbf76b31-3d1b-4cbc-918a-e4f59abcc480" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f3eea34d-2d6c-4ff3-8d5b-fd42b8681bae" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_fbf76b31-3d1b-4cbc-918a-e4f59abcc480" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetAxis_41815a83-1fe3-45fd-858a-9400e48cb913" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatoryAssetAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationTable_6d99b696-7c8f-40c5-b8a5-059cc18b9cb2" xlink:to="loc_us-gaap_RegulatoryAssetAxis_41815a83-1fe3-45fd-858a-9400e48cb913" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetDomain_a12f7baf-286d-4cad-81d4-8ef6abdbc6a4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatoryAssetDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetAxis_41815a83-1fe3-45fd-858a-9400e48cb913" xlink:to="loc_us-gaap_RegulatoryAssetDomain_a12f7baf-286d-4cad-81d4-8ef6abdbc6a4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxChargesMember_4e2e23fb-3e5e-41c1-9416-bf6b58a041ed" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxChargesMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_a12f7baf-286d-4cad-81d4-8ef6abdbc6a4" xlink:to="loc_us-gaap_DeferredIncomeTaxChargesMember_4e2e23fb-3e5e-41c1-9416-bf6b58a041ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ElectricEnergyAndNaturalGasCostsMember_93c33844-b0f8-4d5a-a075-9396cade01c3" xlink:href="exc-20220930.xsd#exc_ElectricEnergyAndNaturalGasCostsMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_a12f7baf-286d-4cad-81d4-8ef6abdbc6a4" xlink:to="loc_exc_ElectricEnergyAndNaturalGasCostsMember_93c33844-b0f8-4d5a-a075-9396cade01c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EnergyEfficiencyAndDemandResponseProgramsMember_23515688-cdce-447a-b1b7-beb2ce3bae25" xlink:href="exc-20220930.xsd#exc_EnergyEfficiencyAndDemandResponseProgramsMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_a12f7baf-286d-4cad-81d4-8ef6abdbc6a4" xlink:to="loc_exc_EnergyEfficiencyAndDemandResponseProgramsMember_23515688-cdce-447a-b1b7-beb2ce3bae25" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CarbonMitigationCreditRiderMember_7c451ea9-7b70-4983-9e8b-96ebb111fefd" xlink:href="exc-20220930.xsd#exc_CarbonMitigationCreditRiderMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_a12f7baf-286d-4cad-81d4-8ef6abdbc6a4" xlink:to="loc_exc_CarbonMitigationCreditRiderMember_7c451ea9-7b70-4983-9e8b-96ebb111fefd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DCPLUGChargeMember_a59bfb14-99b9-40c4-8445-105b29badf54" xlink:href="exc-20220930.xsd#exc_DCPLUGChargeMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_a12f7baf-286d-4cad-81d4-8ef6abdbc6a4" xlink:to="loc_exc_DCPLUGChargeMember_a59bfb14-99b9-40c4-8445-105b29badf54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_UnderRecoveredRevenueDecouplingMember_0a649b17-62e3-4784-b83c-e6e80d27d8ea" xlink:href="exc-20220930.xsd#exc_UnderRecoveredRevenueDecouplingMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_a12f7baf-286d-4cad-81d4-8ef6abdbc6a4" xlink:to="loc_exc_UnderRecoveredRevenueDecouplingMember_0a649b17-62e3-4784-b83c-e6e80d27d8ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ElectricDistributionFormulaRateAnnualReconciliationsMember_35c68c56-5157-44e2-bac1-d4903cd76fef" xlink:href="exc-20220930.xsd#exc_ElectricDistributionFormulaRateAnnualReconciliationsMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_a12f7baf-286d-4cad-81d4-8ef6abdbc6a4" xlink:to="loc_exc_ElectricDistributionFormulaRateAnnualReconciliationsMember_35c68c56-5157-44e2-bac1-d4903cd76fef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EnergyEfficiencyCostsMember_d1dcda0f-956d-4927-81d9-4f7970ece6ac" xlink:href="exc-20220930.xsd#exc_EnergyEfficiencyCostsMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_a12f7baf-286d-4cad-81d4-8ef6abdbc6a4" xlink:to="loc_exc_EnergyEfficiencyCostsMember_d1dcda0f-956d-4927-81d9-4f7970ece6ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalRestorationCostsMember_24597cf5-7828-4e16-86ab-b4e392157d75" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EnvironmentalRestorationCostsMember"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_a12f7baf-286d-4cad-81d4-8ef6abdbc6a4" xlink:to="loc_us-gaap_EnvironmentalRestorationCostsMember_24597cf5-7828-4e16-86ab-b4e392157d75" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RenewableEnergyProgramMember_5df298b9-f6e0-4904-acfd-548e5f8ea120" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RenewableEnergyProgramMember"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_a12f7baf-286d-4cad-81d4-8ef6abdbc6a4" xlink:to="loc_us-gaap_RenewableEnergyProgramMember_5df298b9-f6e0-4904-acfd-548e5f8ea120" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ElectricTransmissionFormulaRateAnnualReconciliationsMember_f751a4a4-120c-4945-8f4d-bb7c820291c4" xlink:href="exc-20220930.xsd#exc_ElectricTransmissionFormulaRateAnnualReconciliationsMember"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_a12f7baf-286d-4cad-81d4-8ef6abdbc6a4" xlink:to="loc_exc_ElectricTransmissionFormulaRateAnnualReconciliationsMember_f751a4a4-120c-4945-8f4d-bb7c820291c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherRegulatoryAssetsLiabilitiesMember_cd878abb-b3f0-4dc0-b949-40780c398a3e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherRegulatoryAssetsLiabilitiesMember"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_a12f7baf-286d-4cad-81d4-8ef6abdbc6a4" xlink:to="loc_us-gaap_OtherRegulatoryAssetsLiabilitiesMember_cd878abb-b3f0-4dc0-b949-40780c398a3e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityAxis_db5c359e-640b-46d7-b1db-c35be0b27917" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatoryLiabilityAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationTable_6d99b696-7c8f-40c5-b8a5-059cc18b9cb2" xlink:to="loc_us-gaap_RegulatoryLiabilityAxis_db5c359e-640b-46d7-b1db-c35be0b27917" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityDomain_14c1c7a2-9e47-4ab9-95e1-42d8b2a6575f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatoryLiabilityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryLiabilityAxis_db5c359e-640b-46d7-b1db-c35be0b27917" xlink:to="loc_us-gaap_RegulatoryLiabilityDomain_14c1c7a2-9e47-4ab9-95e1-42d8b2a6575f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_NuclearDecommissioningMember_32bbe56a-7032-4eea-9a6a-7726b4c6d32d" xlink:href="exc-20220930.xsd#exc_NuclearDecommissioningMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryLiabilityDomain_14c1c7a2-9e47-4ab9-95e1-42d8b2a6575f" xlink:to="loc_exc_NuclearDecommissioningMember_32bbe56a-7032-4eea-9a6a-7726b4c6d32d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ElectricEnergyAndNaturalGasCostsMember_d004194b-7de0-400f-b76f-8a3a4d265653" xlink:href="exc-20220930.xsd#exc_ElectricEnergyAndNaturalGasCostsMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryLiabilityDomain_14c1c7a2-9e47-4ab9-95e1-42d8b2a6575f" xlink:to="loc_exc_ElectricEnergyAndNaturalGasCostsMember_d004194b-7de0-400f-b76f-8a3a4d265653" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxChargesMember_cf4c735f-e8cf-4c9b-97b0-406ca7658426" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxChargesMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryLiabilityDomain_14c1c7a2-9e47-4ab9-95e1-42d8b2a6575f" xlink:to="loc_us-gaap_DeferredIncomeTaxChargesMember_cf4c735f-e8cf-4c9b-97b0-406ca7658426" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherRegulatoryAssetsLiabilitiesMember_e472cdda-8d2c-4435-a09c-b5041e24cde4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherRegulatoryAssetsLiabilitiesMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryLiabilityDomain_14c1c7a2-9e47-4ab9-95e1-42d8b2a6575f" xlink:to="loc_us-gaap_OtherRegulatoryAssetsLiabilitiesMember_e472cdda-8d2c-4435-a09c-b5041e24cde4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ElectricTransmissionFormulaRateAnnualReconciliationsMember_c4f7ce56-ab61-4541-8b7c-727525474808" xlink:href="exc-20220930.xsd#exc_ElectricTransmissionFormulaRateAnnualReconciliationsMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryLiabilityDomain_14c1c7a2-9e47-4ab9-95e1-42d8b2a6575f" xlink:to="loc_exc_ElectricTransmissionFormulaRateAnnualReconciliationsMember_c4f7ce56-ab61-4541-8b7c-727525474808" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DistrictofColumbia2019ElectricDistributionBaseRateCaseMember_c7ecff5a-b0c3-45c2-adda-356a80c6752f" xlink:href="exc-20220930.xsd#exc_DistrictofColumbia2019ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryLiabilityDomain_14c1c7a2-9e47-4ab9-95e1-42d8b2a6575f" xlink:to="loc_exc_DistrictofColumbia2019ElectricDistributionBaseRateCaseMember_c7ecff5a-b0c3-45c2-adda-356a80c6752f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RenewablePortfolioStandardsCostsMember_ddd487e5-21bb-41ce-838b-f09d7b8993c8" xlink:href="exc-20220930.xsd#exc_RenewablePortfolioStandardsCostsMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryLiabilityDomain_14c1c7a2-9e47-4ab9-95e1-42d8b2a6575f" xlink:to="loc_exc_RenewablePortfolioStandardsCostsMember_ddd487e5-21bb-41ce-838b-f09d7b8993c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RemovalCostsMember_eeb6b874-5cb5-49f8-8310-5a316a0b2a05" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RemovalCostsMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryLiabilityDomain_14c1c7a2-9e47-4ab9-95e1-42d8b2a6575f" xlink:to="loc_us-gaap_RemovalCostsMember_eeb6b874-5cb5-49f8-8310-5a316a0b2a05" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ElectricEnergyCostsMember_06c2d965-ce80-421d-b7dd-1b30f784b4df" xlink:href="exc-20220930.xsd#exc_ElectricEnergyCostsMember"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryLiabilityDomain_14c1c7a2-9e47-4ab9-95e1-42d8b2a6575f" xlink:to="loc_exc_ElectricEnergyCostsMember_06c2d965-ce80-421d-b7dd-1b30f784b4df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OverRecoveredRevenueDecouplingMember_d4c9f582-6fa3-4566-aafc-cad80bc539fc" xlink:href="exc-20220930.xsd#exc_OverRecoveredRevenueDecouplingMember"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryLiabilityDomain_14c1c7a2-9e47-4ab9-95e1-42d8b2a6575f" xlink:to="loc_exc_OverRecoveredRevenueDecouplingMember_d4c9f582-6fa3-4566-aafc-cad80bc539fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByLiabilityClassAxis_71cba78f-e95e-40ad-935f-d00abe048f35" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByLiabilityClassAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationTable_6d99b696-7c8f-40c5-b8a5-059cc18b9cb2" xlink:to="loc_us-gaap_FairValueByLiabilityClassAxis_71cba78f-e95e-40ad-935f-d00abe048f35" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_0984e04b-e43b-447c-aa12-07f142f50ba8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_71cba78f-e95e-40ad-935f-d00abe048f35" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_0984e04b-e43b-447c-aa12-07f142f50ba8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCurrentLiabilitiesMember_9dac52ab-19c7-4694-96d7-e31e09348f85" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCurrentLiabilitiesMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_0984e04b-e43b-447c-aa12-07f142f50ba8" xlink:to="loc_us-gaap_OtherCurrentLiabilitiesMember_9dac52ab-19c7-4694-96d7-e31e09348f85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncurrentLiabilitiesMember_028d805b-5fc2-4c5d-8a28-5ab0e6a31cfc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNoncurrentLiabilitiesMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_0984e04b-e43b-447c-aa12-07f142f50ba8" xlink:to="loc_us-gaap_OtherNoncurrentLiabilitiesMember_028d805b-5fc2-4c5d-8a28-5ab0e6a31cfc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAgencyAxis_9f3f95ed-52fe-43e9-b3b2-2e0d0da8df8e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatoryAgencyAxis"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationTable_6d99b696-7c8f-40c5-b8a5-059cc18b9cb2" xlink:to="loc_us-gaap_RegulatoryAgencyAxis_9f3f95ed-52fe-43e9-b3b2-2e0d0da8df8e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAgencyDomain_e03836f4-d59b-49f2-a3a6-434be803beb6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatoryAgencyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAgencyAxis_9f3f95ed-52fe-43e9-b3b2-2e0d0da8df8e" xlink:to="loc_us-gaap_RegulatoryAgencyDomain_e03836f4-d59b-49f2-a3a6-434be803beb6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalRestorationCostsMember_a9643c13-b6a0-459d-8ed8-cb7cde6aff65" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EnvironmentalRestorationCostsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAgencyDomain_e03836f4-d59b-49f2-a3a6-434be803beb6" xlink:to="loc_us-gaap_EnvironmentalRestorationCostsMember_a9643c13-b6a0-459d-8ed8-cb7cde6aff65" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_68bc90e8-6c9a-4189-a4ee-29fe53102a32" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRegulatoryProceedingAxis"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationTable_6d99b696-7c8f-40c5-b8a5-059cc18b9cb2" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_68bc90e8-6c9a-4189-a4ee-29fe53102a32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_462547bc-d1d0-4482-be03-df2855a45d31" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRegulatoryProceedingDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_68bc90e8-6c9a-4189-a4ee-29fe53102a32" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_462547bc-d1d0-4482-be03-df2855a45d31" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Illinois2021ElectricDistributionBaseRateCaseMember_dfc66309-b59a-4eb9-b8b6-26a4c008bbe1" xlink:href="exc-20220930.xsd#exc_Illinois2021ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_462547bc-d1d0-4482-be03-df2855a45d31" xlink:to="loc_exc_Illinois2021ElectricDistributionBaseRateCaseMember_dfc66309-b59a-4eb9-b8b6-26a4c008bbe1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Illinois2023ElectricDistributionBaseRateCaseMember_2b6bc3a9-af31-4f9d-9bdf-60ed9c8501f5" xlink:href="exc-20220930.xsd#exc_Illinois2023ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_462547bc-d1d0-4482-be03-df2855a45d31" xlink:to="loc_exc_Illinois2023ElectricDistributionBaseRateCaseMember_2b6bc3a9-af31-4f9d-9bdf-60ed9c8501f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RegulatoryMattersAdditionalNarrativeInformationLineItems_b258b420-4618-466e-b540-12ae509b9b27" xlink:href="exc-20220930.xsd#exc_RegulatoryMattersAdditionalNarrativeInformationLineItems"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationTable_6d99b696-7c8f-40c5-b8a5-059cc18b9cb2" xlink:to="loc_exc_RegulatoryMattersAdditionalNarrativeInformationLineItems_b258b420-4618-466e-b540-12ae509b9b27" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ContractTerminationLiability_b4634d98-4960-4c69-8869-2d920a129ce8" xlink:href="exc-20220930.xsd#exc_ContractTerminationLiability"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationLineItems_b258b420-4618-466e-b540-12ae509b9b27" xlink:to="loc_exc_ContractTerminationLiability_b4634d98-4960-4c69-8869-2d920a129ce8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherRegulatoryAssets_182ac568-fb71-454f-a855-a3a3c7c4d3a0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOtherRegulatoryAssets"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationLineItems_b258b420-4618-466e-b540-12ae509b9b27" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherRegulatoryAssets_182ac568-fb71-454f-a855-a3a3c7c4d3a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInRegulatoryLiabilities_73448b0d-6613-4c16-8412-f7a62f054e4b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInRegulatoryLiabilities"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationLineItems_b258b420-4618-466e-b540-12ae509b9b27" xlink:to="loc_us-gaap_IncreaseDecreaseInRegulatoryLiabilities_73448b0d-6613-4c16-8412-f7a62f054e4b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssets_5fb7aeec-a595-456d-a7cc-c57379ed4265" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatoryAssets"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationLineItems_b258b420-4618-466e-b540-12ae509b9b27" xlink:to="loc_us-gaap_RegulatoryAssets_5fb7aeec-a595-456d-a7cc-c57379ed4265" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BeneficialElectrificationPlannedExpenditure_3d42a50b-f399-46b1-a106-55daf723dce1" xlink:href="exc-20220930.xsd#exc_BeneficialElectrificationPlannedExpenditure"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationLineItems_b258b420-4618-466e-b540-12ae509b9b27" xlink:to="loc_exc_BeneficialElectrificationPlannedExpenditure_3d42a50b-f399-46b1-a106-55daf723dce1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnContractTermination_af2ee5fe-2673-4ef1-922e-b55b85dcab80" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainLossOnContractTermination"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationLineItems_b258b420-4618-466e-b540-12ae509b9b27" xlink:to="loc_us-gaap_GainLossOnContractTermination_af2ee5fe-2673-4ef1-922e-b55b85dcab80" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_MaximumIncreaseOfRevenueRequirement_18396f5c-3e19-4927-9f9d-39bea131f6a8" xlink:href="exc-20220930.xsd#exc_MaximumIncreaseOfRevenueRequirement"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationLineItems_b258b420-4618-466e-b540-12ae509b9b27" xlink:to="loc_exc_MaximumIncreaseOfRevenueRequirement_18396f5c-3e19-4927-9f9d-39bea131f6a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RevenuefromContractswithCustomersChangeinContractwithCustomerAssetandLiabilityDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#RevenuefromContractswithCustomersChangeinContractwithCustomerAssetandLiabilityDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RevenuefromContractswithCustomersChangeinContractwithCustomerAssetandLiabilityDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_c7411d86-c5b7-485b-963e-ae2b710d1dfa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ChangeinContractwithCustomerAssetandLiabilityTable_3ee2d82c-a3df-4c6a-9565-2fce5cc35d06" xlink:href="exc-20220930.xsd#exc_ChangeinContractwithCustomerAssetandLiabilityTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_c7411d86-c5b7-485b-963e-ae2b710d1dfa" xlink:to="loc_exc_ChangeinContractwithCustomerAssetandLiabilityTable_3ee2d82c-a3df-4c6a-9565-2fce5cc35d06" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_084b65e1-39ea-4a86-afec-3454c1142e0f" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ChangeinContractwithCustomerAssetandLiabilityTable_3ee2d82c-a3df-4c6a-9565-2fce5cc35d06" xlink:to="loc_dei_LegalEntityAxis_084b65e1-39ea-4a86-afec-3454c1142e0f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_8c5b320b-199f-43c7-b07a-f46ba52227fc" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_084b65e1-39ea-4a86-afec-3454c1142e0f" xlink:to="loc_dei_EntityDomain_8c5b320b-199f-43c7-b07a-f46ba52227fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_67e214eb-406e-4199-a221-42294fed87fc" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_8c5b320b-199f-43c7-b07a-f46ba52227fc" xlink:to="loc_exc_PepcoHoldingsLLCMember_67e214eb-406e-4199-a221-42294fed87fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_72cb1fab-b510-456a-9e4b-318e76cfa839" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_8c5b320b-199f-43c7-b07a-f46ba52227fc" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_72cb1fab-b510-456a-9e4b-318e76cfa839" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_e123fc64-977c-4f02-a7a6-7a64ddcad375" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_8c5b320b-199f-43c7-b07a-f46ba52227fc" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_e123fc64-977c-4f02-a7a6-7a64ddcad375" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_3ed143c1-cdd3-468a-b5bb-9754a6dd7668" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_8c5b320b-199f-43c7-b07a-f46ba52227fc" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_3ed143c1-cdd3-468a-b5bb-9754a6dd7668" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ChangeInContractWithCustomerAssetAndLiabilityLineItems_c6235a35-6fbe-420b-a1b3-7fa17e63c62b" xlink:href="exc-20220930.xsd#exc_ChangeInContractWithCustomerAssetAndLiabilityLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ChangeinContractwithCustomerAssetandLiabilityTable_3ee2d82c-a3df-4c6a-9565-2fce5cc35d06" xlink:to="loc_exc_ChangeInContractWithCustomerAssetAndLiabilityLineItems_c6235a35-6fbe-420b-a1b3-7fa17e63c62b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MovementInDeferredRevenueRollForward_a7ec36eb-37af-42c2-a7e8-aa090891fba7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MovementInDeferredRevenueRollForward"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ChangeInContractWithCustomerAssetAndLiabilityLineItems_c6235a35-6fbe-420b-a1b3-7fa17e63c62b" xlink:to="loc_us-gaap_MovementInDeferredRevenueRollForward_a7ec36eb-37af-42c2-a7e8-aa090891fba7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_c3019742-24cf-454b-b76c-590ce8e4303c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInDeferredRevenueRollForward_a7ec36eb-37af-42c2-a7e8-aa090891fba7" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_c3019742-24cf-454b-b76c-590ce8e4303c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_888aea1a-1f86-417d-8182-7bc115b55f4a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInDeferredRevenueRollForward_a7ec36eb-37af-42c2-a7e8-aa090891fba7" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_888aea1a-1f86-417d-8182-7bc115b55f4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RevenuefromContractwithCustomerPerformanceObligationsDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#RevenuefromContractwithCustomerPerformanceObligationsDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RevenuefromContractwithCustomerPerformanceObligationsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_2dd919ec-db25-44a3-b7f8-5985384cd070" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_46115e5d-d2e0-4204-b18f-1a79a68c769e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_2dd919ec-db25-44a3-b7f8-5985384cd070" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_46115e5d-d2e0-4204-b18f-1a79a68c769e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_2cc56463-3dca-4ee4-ae36-c204a7a7aded" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_46115e5d-d2e0-4204-b18f-1a79a68c769e" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_2cc56463-3dca-4ee4-ae36-c204a7a7aded" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_f4182535-3ca8-46a8-a570-860408ebaaa7" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_46115e5d-d2e0-4204-b18f-1a79a68c769e" xlink:to="loc_dei_LegalEntityAxis_f4182535-3ca8-46a8-a570-860408ebaaa7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_6bc704e4-d97f-4ff2-92d3-4f2774702aeb" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_f4182535-3ca8-46a8-a570-860408ebaaa7" xlink:to="loc_dei_EntityDomain_6bc704e4-d97f-4ff2-92d3-4f2774702aeb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_9b5a3015-ba3b-4b0c-aad2-4d1a664a31b8" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6bc704e4-d97f-4ff2-92d3-4f2774702aeb" xlink:to="loc_exc_PepcoHoldingsLLCMember_9b5a3015-ba3b-4b0c-aad2-4d1a664a31b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_095544c3-1ae7-4495-b8f8-4f36b0d4ae9b" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6bc704e4-d97f-4ff2-92d3-4f2774702aeb" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_095544c3-1ae7-4495-b8f8-4f36b0d4ae9b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_5353c8d5-0977-41d5-90fd-9b5c14d550b4" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6bc704e4-d97f-4ff2-92d3-4f2774702aeb" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_5353c8d5-0977-41d5-90fd-9b5c14d550b4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_93b2e481-06d4-4adb-bed1-6eb81070caf4" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6bc704e4-d97f-4ff2-92d3-4f2774702aeb" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_93b2e481-06d4-4adb-bed1-6eb81070caf4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_57135ec2-87eb-49c8-b708-e843c31a07c8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_46115e5d-d2e0-4204-b18f-1a79a68c769e" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_57135ec2-87eb-49c8-b708-e843c31a07c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_270504cf-96e2-486f-ac81-d4be6242e184" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_57135ec2-87eb-49c8-b708-e843c31a07c8" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_270504cf-96e2-486f-ac81-d4be6242e184" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_00dd0b43-412c-45ed-ba00-fe7fe9876007" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_57135ec2-87eb-49c8-b708-e843c31a07c8" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_00dd0b43-412c-45ed-ba00-fe7fe9876007" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RevenuefromContractwithCustomerPerformanceObligationsDetails_1" xlink:type="simple" xlink:href="exc-20220930.xsd#RevenuefromContractwithCustomerPerformanceObligationsDetails_1"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RevenuefromContractwithCustomerPerformanceObligationsDetails_1" xlink:type="extended"/>
<link:roleRef roleURI="http://www.exeloncorp.com/role/SegmentInformationNarrativeDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#SegmentInformationNarrativeDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/SegmentInformationNarrativeDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_6871832f-7672-4efb-85b9-b5aa8c4bcc17" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentReportingAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_74d4925d-5f1c-435c-b769-0e87a98d4229" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_6871832f-7672-4efb-85b9-b5aa8c4bcc17" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_74d4925d-5f1c-435c-b769-0e87a98d4229" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_995c7140-1834-441e-983b-a7d865521867" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_74d4925d-5f1c-435c-b769-0e87a98d4229" xlink:to="loc_dei_LegalEntityAxis_995c7140-1834-441e-983b-a7d865521867" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_03caca17-cab3-4999-8866-30985ab308e7" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_995c7140-1834-441e-983b-a7d865521867" xlink:to="loc_dei_EntityDomain_03caca17-cab3-4999-8866-30985ab308e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_f7f42638-dac2-4bf1-b7f7-2dbd8513d924" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_03caca17-cab3-4999-8866-30985ab308e7" xlink:to="loc_exc_PepcoHoldingsLLCMember_f7f42638-dac2-4bf1-b7f7-2dbd8513d924" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_9604d55b-c10d-43a4-a1fd-d80508a9b82f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentReportingInformationLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_74d4925d-5f1c-435c-b769-0e87a98d4229" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_9604d55b-c10d-43a4-a1fd-d80508a9b82f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_a99b654a-614d-45c4-8e68-554236288aec" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NumberOfReportableSegments"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_9604d55b-c10d-43a4-a1fd-d80508a9b82f" xlink:to="loc_us-gaap_NumberOfReportableSegments_a99b654a-614d-45c4-8e68-554236288aec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/SegmentInformationReconciliationtoConsolidatedFinancialStatementsDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#SegmentInformationReconciliationtoConsolidatedFinancialStatementsDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/SegmentInformationReconciliationtoConsolidatedFinancialStatementsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_fad19d54-bd55-4dff-a69a-89fd2f9e7eb3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentReportingAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_73f2c686-1628-4081-9f42-8754695bc7b5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_fad19d54-bd55-4dff-a69a-89fd2f9e7eb3" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_73f2c686-1628-4081-9f42-8754695bc7b5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_7a7f6398-cce5-4e15-bbaa-6abc227920f5" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductOrServiceAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_73f2c686-1628-4081-9f42-8754695bc7b5" xlink:to="loc_srt_ProductOrServiceAxis_7a7f6398-cce5-4e15-bbaa-6abc227920f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_02f4a0e0-311e-48a4-94d9-0f3510b16a7c" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductsAndServicesDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductOrServiceAxis_7a7f6398-cce5-4e15-bbaa-6abc227920f5" xlink:to="loc_srt_ProductsAndServicesDomain_02f4a0e0-311e-48a4-94d9-0f3510b16a7c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ElectricityGenerationMember_8d99595a-5cca-44f6-8936-39d12e34b2e3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ElectricityGenerationMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_02f4a0e0-311e-48a4-94d9-0f3510b16a7c" xlink:to="loc_us-gaap_ElectricityGenerationMember_8d99595a-5cca-44f6-8936-39d12e34b2e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OilAndGasPurchasedMember_2765f9d3-3c7e-4754-ba4e-a21fe34d282f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OilAndGasPurchasedMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_02f4a0e0-311e-48a4-94d9-0f3510b16a7c" xlink:to="loc_us-gaap_OilAndGasPurchasedMember_2765f9d3-3c7e-4754-ba4e-a21fe34d282f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductAndServiceOtherMember_b306267c-654c-439c-965b-8985293be67c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProductAndServiceOtherMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_02f4a0e0-311e-48a4-94d9-0f3510b16a7c" xlink:to="loc_us-gaap_ProductAndServiceOtherMember_b306267c-654c-439c-965b-8985293be67c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ElectricityUsRegulatedMember_b9bde967-05c8-4a1e-b6eb-97086cf5d50f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ElectricityUsRegulatedMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_02f4a0e0-311e-48a4-94d9-0f3510b16a7c" xlink:to="loc_us-gaap_ElectricityUsRegulatedMember_b9bde967-05c8-4a1e-b6eb-97086cf5d50f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NaturalGasUsRegulatedMember_cb577ea0-51bb-4546-b8d7-003551b4124a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NaturalGasUsRegulatedMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_02f4a0e0-311e-48a4-94d9-0f3510b16a7c" xlink:to="loc_us-gaap_NaturalGasUsRegulatedMember_cb577ea0-51bb-4546-b8d7-003551b4124a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServiceOtherMember_90c9d062-e1ad-47cc-b64d-ca7b3dd6d996" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ServiceOtherMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_02f4a0e0-311e-48a4-94d9-0f3510b16a7c" xlink:to="loc_us-gaap_ServiceOtherMember_90c9d062-e1ad-47cc-b64d-ca7b3dd6d996" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_289f7088-5419-4df2-878d-cfcb4f087d40" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_73f2c686-1628-4081-9f42-8754695bc7b5" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_289f7088-5419-4df2-878d-cfcb4f087d40" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_04376891-751a-4094-b4a8-abfd9533346f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_289f7088-5419-4df2-878d-cfcb4f087d40" xlink:to="loc_us-gaap_SegmentDomain_04376891-751a-4094-b4a8-abfd9533346f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_efc8b8f6-b6c4-4159-9244-9247e3a1643d" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_04376891-751a-4094-b4a8-abfd9533346f" xlink:to="loc_exc_CommonwealthEdisonCoMember_efc8b8f6-b6c4-4159-9244-9247e3a1643d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_982a4710-a3cb-4b4b-9117-4d72ee8aca97" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_04376891-751a-4094-b4a8-abfd9533346f" xlink:to="loc_exc_PecoEnergyCoMember_982a4710-a3cb-4b4b-9117-4d72ee8aca97" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_50a944f9-9c86-4a04-b436-e5d8fc1eebe4" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_04376891-751a-4094-b4a8-abfd9533346f" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_50a944f9-9c86-4a04-b436-e5d8fc1eebe4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_7052393c-f3c0-4476-bb79-24c2763e8db9" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_04376891-751a-4094-b4a8-abfd9533346f" xlink:to="loc_exc_PepcoHoldingsLLCMember_7052393c-f3c0-4476-bb79-24c2763e8db9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_e06139d4-7113-4787-a6a4-645c6c55b086" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_04376891-751a-4094-b4a8-abfd9533346f" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_e06139d4-7113-4787-a6a4-645c6c55b086" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_1de6919b-e53e-42ff-aba8-c72c526054d3" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_04376891-751a-4094-b4a8-abfd9533346f" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_1de6919b-e53e-42ff-aba8-c72c526054d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_e1ecd1fa-099b-44af-8cb5-0cef4e7f7442" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_04376891-751a-4094-b4a8-abfd9533346f" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_e1ecd1fa-099b-44af-8cb5-0cef4e7f7442" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateAndOtherMember_70ada7ca-2a39-4b74-9470-9150af9cbbe1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CorporateAndOtherMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_04376891-751a-4094-b4a8-abfd9533346f" xlink:to="loc_us-gaap_CorporateAndOtherMember_70ada7ca-2a39-4b74-9470-9150af9cbbe1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_8559ffc7-00a8-4d90-aa71-d865e094a5bc" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_73f2c686-1628-4081-9f42-8754695bc7b5" xlink:to="loc_srt_ConsolidationItemsAxis_8559ffc7-00a8-4d90-aa71-d865e094a5bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_be3e5b05-6f5c-43b4-a73e-4ab68095493e" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_8559ffc7-00a8-4d90-aa71-d865e094a5bc" xlink:to="loc_srt_ConsolidationItemsDomain_be3e5b05-6f5c-43b4-a73e-4ab68095493e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_9205a8bc-08bd-4765-b951-46a1e04c561c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingSegmentsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_be3e5b05-6f5c-43b4-a73e-4ab68095493e" xlink:to="loc_us-gaap_OperatingSegmentsMember_9205a8bc-08bd-4765-b951-46a1e04c561c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_fe928bae-2868-4285-8a0b-ace1205c808e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CorporateNonSegmentMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_be3e5b05-6f5c-43b4-a73e-4ab68095493e" xlink:to="loc_us-gaap_CorporateNonSegmentMember_fe928bae-2868-4285-8a0b-ace1205c808e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntersegmentEliminationMember_9af0d540-e2b3-4a39-abbc-5bb3e46e5c3c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IntersegmentEliminationMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_be3e5b05-6f5c-43b4-a73e-4ab68095493e" xlink:to="loc_us-gaap_IntersegmentEliminationMember_9af0d540-e2b3-4a39-abbc-5bb3e46e5c3c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_4db5145f-21de-499c-ae90-ed1d6934c50b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_73f2c686-1628-4081-9f42-8754695bc7b5" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_4db5145f-21de-499c-ae90-ed1d6934c50b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_c1d2b0bc-5d14-499f-bf46-3be7501993c4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_4db5145f-21de-499c-ae90-ed1d6934c50b" xlink:to="loc_us-gaap_RelatedPartyDomain_c1d2b0bc-5d14-499f-bf46-3be7501993c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoAffiliateMember_9e4f5733-d13d-4554-a970-5696098c5261" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoAffiliateMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_c1d2b0bc-5d14-499f-bf46-3be7501993c4" xlink:to="loc_exc_CommonwealthEdisonCoAffiliateMember_9e4f5733-d13d-4554-a970-5696098c5261" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoAffiliateMember_953830b3-3a56-4984-b586-da55c5a2da44" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoAffiliateMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_c1d2b0bc-5d14-499f-bf46-3be7501993c4" xlink:to="loc_exc_PecoEnergyCoAffiliateMember_953830b3-3a56-4984-b586-da55c5a2da44" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyAffiliateMember_fd716c7f-364a-4887-8ae9-18147a9c9655" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyAffiliateMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_c1d2b0bc-5d14-499f-bf46-3be7501993c4" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyAffiliateMember_fd716c7f-364a-4887-8ae9-18147a9c9655" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyAffiliateMember_5cdbdeb9-f06b-4bf8-b763-e7b839ce2cb4" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyAffiliateMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_c1d2b0bc-5d14-499f-bf46-3be7501993c4" xlink:to="loc_exc_PotomacElectricPowerCompanyAffiliateMember_5cdbdeb9-f06b-4bf8-b763-e7b839ce2cb4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyAffiliateMember_43ebfa4e-b8c4-474a-a3a2-219ddad4001e" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyAffiliateMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_c1d2b0bc-5d14-499f-bf46-3be7501993c4" xlink:to="loc_exc_DelmarvaPowerandLightCompanyAffiliateMember_43ebfa4e-b8c4-474a-a3a2-219ddad4001e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyAffiliateMember_10c92465-6a6e-475c-bc4c-4d7bbf0f0ef6" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyAffiliateMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_c1d2b0bc-5d14-499f-bf46-3be7501993c4" xlink:to="loc_exc_AtlanticCityElectricCompanyAffiliateMember_10c92465-6a6e-475c-bc4c-4d7bbf0f0ef6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_923a4faf-4483-4435-955f-08040b82a878" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_73f2c686-1628-4081-9f42-8754695bc7b5" xlink:to="loc_dei_LegalEntityAxis_923a4faf-4483-4435-955f-08040b82a878" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_e39b0a8e-0884-4eb8-a280-99cf12a57f38" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_923a4faf-4483-4435-955f-08040b82a878" xlink:to="loc_dei_EntityDomain_e39b0a8e-0884-4eb8-a280-99cf12a57f38" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_0678b6e2-2258-43a9-859e-e0a18851c892" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e39b0a8e-0884-4eb8-a280-99cf12a57f38" xlink:to="loc_exc_PepcoHoldingsLLCMember_0678b6e2-2258-43a9-859e-e0a18851c892" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_fc32c750-8ac3-4d73-bc1b-8c801eef7e74" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementOperatingActivitiesSegmentAxis"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_73f2c686-1628-4081-9f42-8754695bc7b5" xlink:to="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_fc32c750-8ac3-4d73-bc1b-8c801eef7e74" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentOperatingActivitiesDomain_90f7496e-db4b-4b3d-804e-3da8b167702c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentOperatingActivitiesDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_fc32c750-8ac3-4d73-bc1b-8c801eef7e74" xlink:to="loc_us-gaap_SegmentOperatingActivitiesDomain_90f7496e-db4b-4b3d-804e-3da8b167702c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentContinuingOperationsMember_d6b2551c-a3b4-4950-aee1-fac5b75fcd32" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentContinuingOperationsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentOperatingActivitiesDomain_90f7496e-db4b-4b3d-804e-3da8b167702c" xlink:to="loc_us-gaap_SegmentContinuingOperationsMember_d6b2551c-a3b4-4950-aee1-fac5b75fcd32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_2378314e-b0a7-4332-beae-e172259d26ed" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentReportingInformationLineItems"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_73f2c686-1628-4081-9f42-8754695bc7b5" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_2378314e-b0a7-4332-beae-e172259d26ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_adaa52b4-f1cb-4ffe-9cdc-f18e1ecec5ac" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_2378314e-b0a7-4332-beae-e172259d26ed" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_adaa52b4-f1cb-4ffe-9cdc-f18e1ecec5ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncome_eabdc71b-432c-446f-bae4-24eed69f0267" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherOperatingIncome"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_2378314e-b0a7-4332-beae-e172259d26ed" xlink:to="loc_us-gaap_OtherOperatingIncome_eabdc71b-432c-446f-bae4-24eed69f0267" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_0edd0df0-354b-4b59-acd6-6e2d7babb512" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Revenues"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_2378314e-b0a7-4332-beae-e172259d26ed" xlink:to="loc_us-gaap_Revenues_0edd0df0-354b-4b59-acd6-6e2d7babb512" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromRelatedParties_95f8d936-823b-49f6-a98b-5d5be3533470" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromRelatedParties"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_2378314e-b0a7-4332-beae-e172259d26ed" xlink:to="loc_us-gaap_RevenueFromRelatedParties_95f8d936-823b-49f6-a98b-5d5be3533470" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_ca2dfb41-85ab-4dda-8870-b08ce4857f75" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_2378314e-b0a7-4332-beae-e172259d26ed" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_ca2dfb41-85ab-4dda-8870-b08ce4857f75" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_0a67f2ec-acb5-45d3-b48d-f9c3d2eeb143" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingExpenses"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_2378314e-b0a7-4332-beae-e172259d26ed" xlink:to="loc_us-gaap_OperatingExpenses_0a67f2ec-acb5-45d3-b48d-f9c3d2eeb143" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRevenueExpenseNet_6e5008be-eee3-4b3a-aacb-869139463ba9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestRevenueExpenseNet"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_2378314e-b0a7-4332-beae-e172259d26ed" xlink:to="loc_us-gaap_InterestRevenueExpenseNet_6e5008be-eee3-4b3a-aacb-869139463ba9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f3f7b97b-693b-43d7-9c2d-aa9ec0b6adc2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_2378314e-b0a7-4332-beae-e172259d26ed" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f3f7b97b-693b-43d7-9c2d-aa9ec0b6adc2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_f0d203b7-3bc0-4a2e-9c8c-49c09715257e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_2378314e-b0a7-4332-beae-e172259d26ed" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_f0d203b7-3bc0-4a2e-9c8c-49c09715257e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_d6a9cc27-5239-4982-8027-4ada3614103d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfitLoss"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_2378314e-b0a7-4332-beae-e172259d26ed" xlink:to="loc_us-gaap_ProfitLoss_d6a9cc27-5239-4982-8027-4ada3614103d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_74e3c959-6f38-4df9-a257-6dcd381a2151" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_2378314e-b0a7-4332-beae-e172259d26ed" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_74e3c959-6f38-4df9-a257-6dcd381a2151" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_5726825b-a784-4b6e-b052-864000b97d8b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Assets"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_2378314e-b0a7-4332-beae-e172259d26ed" xlink:to="loc_us-gaap_Assets_5726825b-a784-4b6e-b052-864000b97d8b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_c6486d7a-84f4-41e3-b532-e7183569ce75" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_2378314e-b0a7-4332-beae-e172259d26ed" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_c6486d7a-84f4-41e3-b532-e7183569ce75" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/SegmentInformationElectricandGasRevenuebyCustomerClassDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#SegmentInformationElectricandGasRevenuebyCustomerClassDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/SegmentInformationElectricandGasRevenuebyCustomerClassDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_ab06ec44-fc47-4984-9b6d-2ef11f959a5f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentReportingAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_950db28c-3d72-4e49-a93a-ed61993a0160" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_ab06ec44-fc47-4984-9b6d-2ef11f959a5f" xlink:to="loc_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_950db28c-3d72-4e49-a93a-ed61993a0160" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_05e06a7d-34d0-4b20-af93-4c17f7403b5d" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductOrServiceAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_950db28c-3d72-4e49-a93a-ed61993a0160" xlink:to="loc_srt_ProductOrServiceAxis_05e06a7d-34d0-4b20-af93-4c17f7403b5d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_06638230-3a8b-4dc8-a23d-7adebf4d004d" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductsAndServicesDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductOrServiceAxis_05e06a7d-34d0-4b20-af93-4c17f7403b5d" xlink:to="loc_srt_ProductsAndServicesDomain_06638230-3a8b-4dc8-a23d-7adebf4d004d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ElectricityUsRegulatedMember_29b150c6-7db0-487e-9097-4d2b686c5e46" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ElectricityUsRegulatedMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_06638230-3a8b-4dc8-a23d-7adebf4d004d" xlink:to="loc_us-gaap_ElectricityUsRegulatedMember_29b150c6-7db0-487e-9097-4d2b686c5e46" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NaturalGasUsRegulatedMember_28e43eb5-65cb-406a-8fe6-3d4c9d801947" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NaturalGasUsRegulatedMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_06638230-3a8b-4dc8-a23d-7adebf4d004d" xlink:to="loc_us-gaap_NaturalGasUsRegulatedMember_28e43eb5-65cb-406a-8fe6-3d4c9d801947" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AlternativeRevenueProgramsMember_ce750f9d-34e1-448e-978b-2d1cef9bd8af" xlink:href="exc-20220930.xsd#exc_AlternativeRevenueProgramsMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_06638230-3a8b-4dc8-a23d-7adebf4d004d" xlink:to="loc_exc_AlternativeRevenueProgramsMember_ce750f9d-34e1-448e-978b-2d1cef9bd8af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_f05cd7c1-6008-4bcd-9d64-20889ccd8c92" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_950db28c-3d72-4e49-a93a-ed61993a0160" xlink:to="loc_dei_LegalEntityAxis_f05cd7c1-6008-4bcd-9d64-20889ccd8c92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_3ca70577-fcc7-4651-8334-5533b78ec7bc" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_f05cd7c1-6008-4bcd-9d64-20889ccd8c92" xlink:to="loc_dei_EntityDomain_3ca70577-fcc7-4651-8334-5533b78ec7bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_4720045c-13d2-4bea-97c7-68a9c84f1fea" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3ca70577-fcc7-4651-8334-5533b78ec7bc" xlink:to="loc_exc_CommonwealthEdisonCoMember_4720045c-13d2-4bea-97c7-68a9c84f1fea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_5e43a04f-434b-486a-a55a-574bd02b4d47" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3ca70577-fcc7-4651-8334-5533b78ec7bc" xlink:to="loc_exc_PecoEnergyCoMember_5e43a04f-434b-486a-a55a-574bd02b4d47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_4813bf61-73f7-49f9-aedb-a7bbd671977e" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3ca70577-fcc7-4651-8334-5533b78ec7bc" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_4813bf61-73f7-49f9-aedb-a7bbd671977e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_658182f8-f39f-4ced-94d8-7a3e46a55eea" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3ca70577-fcc7-4651-8334-5533b78ec7bc" xlink:to="loc_exc_PepcoHoldingsLLCMember_658182f8-f39f-4ced-94d8-7a3e46a55eea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_1d73e548-dfad-4413-93e5-ff3d874c049f" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3ca70577-fcc7-4651-8334-5533b78ec7bc" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_1d73e548-dfad-4413-93e5-ff3d874c049f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_38d7a5d4-304f-4d60-8e9e-7efda31eb188" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3ca70577-fcc7-4651-8334-5533b78ec7bc" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_38d7a5d4-304f-4d60-8e9e-7efda31eb188" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_1649ebb0-1f0d-42ba-bd30-666e263363a5" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3ca70577-fcc7-4651-8334-5533b78ec7bc" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_1649ebb0-1f0d-42ba-bd30-666e263363a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCoAffiliateMember_d9701327-60aa-46d2-a92c-e7c039933299" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCoAffiliateMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3ca70577-fcc7-4651-8334-5533b78ec7bc" xlink:to="loc_exc_AtlanticCityElectricCoAffiliateMember_d9701327-60aa-46d2-a92c-e7c039933299" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_8a074dad-ed44-4cf9-af91-c2a9c0883e32" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_950db28c-3d72-4e49-a93a-ed61993a0160" xlink:to="loc_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_8a074dad-ed44-4cf9-af91-c2a9c0883e32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedAndUnregulatedOperationDomain_30e099d9-caff-410f-9fe0-0855cdb9fbce" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatedAndUnregulatedOperationDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_8a074dad-ed44-4cf9-af91-c2a9c0883e32" xlink:to="loc_us-gaap_RegulatedAndUnregulatedOperationDomain_30e099d9-caff-410f-9fe0-0855cdb9fbce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedOperationMember_1ce3d629-5c48-4df3-9449-4aca9ed5a3e1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatedOperationMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedAndUnregulatedOperationDomain_30e099d9-caff-410f-9fe0-0855cdb9fbce" xlink:to="loc_us-gaap_RegulatedOperationMember_1ce3d629-5c48-4df3-9449-4aca9ed5a3e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherRegulatedRevenueMember_d303f4a3-3a6f-413b-b294-f3b89067d113" xlink:href="exc-20220930.xsd#exc_OtherRegulatedRevenueMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedAndUnregulatedOperationDomain_30e099d9-caff-410f-9fe0-0855cdb9fbce" xlink:to="loc_exc_OtherRegulatedRevenueMember_d303f4a3-3a6f-413b-b294-f3b89067d113" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_140b3870-4cbf-42f0-9b87-bd39d5e69f63" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MajorCustomersAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_950db28c-3d72-4e49-a93a-ed61993a0160" xlink:to="loc_srt_MajorCustomersAxis_140b3870-4cbf-42f0-9b87-bd39d5e69f63" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_06443d0b-a549-490e-9f26-1b2ffea2cfa2" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_NameOfMajorCustomerDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_MajorCustomersAxis_140b3870-4cbf-42f0-9b87-bd39d5e69f63" xlink:to="loc_srt_NameOfMajorCustomerDomain_06443d0b-a549-490e-9f26-1b2ffea2cfa2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ResidentialMember_7b597b6a-0e8c-4b24-91e5-bc578523d906" xlink:href="exc-20220930.xsd#exc_ResidentialMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_06443d0b-a549-490e-9f26-1b2ffea2cfa2" xlink:to="loc_exc_ResidentialMember_7b597b6a-0e8c-4b24-91e5-bc578523d906" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SmallCommercialIndustrialMember_4f00df79-f85d-429f-809a-bdd6c9c3cc27" xlink:href="exc-20220930.xsd#exc_SmallCommercialIndustrialMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_06443d0b-a549-490e-9f26-1b2ffea2cfa2" xlink:to="loc_exc_SmallCommercialIndustrialMember_4f00df79-f85d-429f-809a-bdd6c9c3cc27" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_LargeCommercialIndustrialMember_30a22e96-605f-4755-b21e-b00387677aa0" xlink:href="exc-20220930.xsd#exc_LargeCommercialIndustrialMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_06443d0b-a549-490e-9f26-1b2ffea2cfa2" xlink:to="loc_exc_LargeCommercialIndustrialMember_30a22e96-605f-4755-b21e-b00387677aa0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicAuthoritiesElectricRailroadsMember_5113aab8-9d4b-4d17-af10-4fc250be2391" xlink:href="exc-20220930.xsd#exc_PublicAuthoritiesElectricRailroadsMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_06443d0b-a549-490e-9f26-1b2ffea2cfa2" xlink:to="loc_exc_PublicAuthoritiesElectricRailroadsMember_5113aab8-9d4b-4d17-af10-4fc250be2391" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_TransportationMember_b9342d10-70c2-4d6d-b5d3-db59c05698fd" xlink:href="exc-20220930.xsd#exc_TransportationMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_06443d0b-a549-490e-9f26-1b2ffea2cfa2" xlink:to="loc_exc_TransportationMember_b9342d10-70c2-4d6d-b5d3-db59c05698fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherMember_75c17812-f38e-4a79-a0e7-7e9abfbf0dfd" xlink:href="exc-20220930.xsd#exc_OtherMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_06443d0b-a549-490e-9f26-1b2ffea2cfa2" xlink:to="loc_exc_OtherMember_75c17812-f38e-4a79-a0e7-7e9abfbf0dfd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_ab8d499e-61a8-48e8-be8f-08358adeee05" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsAxis"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_950db28c-3d72-4e49-a93a-ed61993a0160" xlink:to="loc_srt_ConsolidationItemsAxis_ab8d499e-61a8-48e8-be8f-08358adeee05" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_c5f25ffd-b8c3-4d43-b88d-86e1c4ca5393" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_ab8d499e-61a8-48e8-be8f-08358adeee05" xlink:to="loc_srt_ConsolidationItemsDomain_c5f25ffd-b8c3-4d43-b88d-86e1c4ca5393" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_ac4c3650-fead-466c-aa05-363fe6f8b098" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingSegmentsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_c5f25ffd-b8c3-4d43-b88d-86e1c4ca5393" xlink:to="loc_us-gaap_OperatingSegmentsMember_ac4c3650-fead-466c-aa05-363fe6f8b098" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EntityWideRevenueMajorCustomerLineItems_b88a7e1d-324c-4fcc-a2d6-dedae85c3d92" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EntityWideRevenueMajorCustomerLineItems"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_950db28c-3d72-4e49-a93a-ed61993a0160" xlink:to="loc_us-gaap_EntityWideRevenueMajorCustomerLineItems_b88a7e1d-324c-4fcc-a2d6-dedae85c3d92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_04fd2d36-1c30-4184-aeb0-c1a0acfe66e4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EntityWideRevenueMajorCustomerLineItems_b88a7e1d-324c-4fcc-a2d6-dedae85c3d92" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_04fd2d36-1c30-4184-aeb0-c1a0acfe66e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_c89bedf9-c557-4949-8441-ce6ce183112f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Revenues"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EntityWideRevenueMajorCustomerLineItems_b88a7e1d-324c-4fcc-a2d6-dedae85c3d92" xlink:to="loc_us-gaap_Revenues_c89bedf9-c557-4949-8441-ce6ce183112f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromRelatedParties_2850e4c6-4f8e-4990-9657-fd510aa2f5fa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromRelatedParties"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EntityWideRevenueMajorCustomerLineItems_b88a7e1d-324c-4fcc-a2d6-dedae85c3d92" xlink:to="loc_us-gaap_RevenueFromRelatedParties_2850e4c6-4f8e-4990-9657-fd510aa2f5fa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/AccountsReceivableAllowanceforCreditLossesRollforwardDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#AccountsReceivableAllowanceforCreditLossesRollforwardDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/AccountsReceivableAllowanceforCreditLossesRollforwardDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_37c9c68c-32fb-4376-b9c0-fc7ead453b84" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_a8706acb-e805-4b8f-ab67-f6bbd9b12020" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_37c9c68c-32fb-4376-b9c0-fc7ead453b84" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_a8706acb-e805-4b8f-ab67-f6bbd9b12020" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_47084bcd-b43a-4c30-b54e-d8861e684726" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_a8706acb-e805-4b8f-ab67-f6bbd9b12020" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_47084bcd-b43a-4c30-b54e-d8861e684726" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_2c281248-bf93-4a7b-9c35-3b5f4acd24ad" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ReceivableTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_47084bcd-b43a-4c30-b54e-d8861e684726" xlink:to="loc_us-gaap_ReceivableTypeDomain_2c281248-bf93-4a7b-9c35-3b5f4acd24ad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeAccountsReceivableMember_c19563b3-ac3a-4362-bf1a-cc3c4e05aa98" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TradeAccountsReceivableMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivableTypeDomain_2c281248-bf93-4a7b-9c35-3b5f4acd24ad" xlink:to="loc_us-gaap_TradeAccountsReceivableMember_c19563b3-ac3a-4362-bf1a-cc3c4e05aa98" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherReceivablesMember_c95f930c-36b6-40c3-8171-ddf37bfab579" xlink:href="exc-20220930.xsd#exc_OtherReceivablesMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivableTypeDomain_2c281248-bf93-4a7b-9c35-3b5f4acd24ad" xlink:to="loc_exc_OtherReceivablesMember_c95f930c-36b6-40c3-8171-ddf37bfab579" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_9fccaea1-43d4-453a-90ce-5ca2e7be50ee" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_a8706acb-e805-4b8f-ab67-f6bbd9b12020" xlink:to="loc_dei_LegalEntityAxis_9fccaea1-43d4-453a-90ce-5ca2e7be50ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_e875bf8c-7bcb-4b49-8c1d-542a55ad842e" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_9fccaea1-43d4-453a-90ce-5ca2e7be50ee" xlink:to="loc_dei_EntityDomain_e875bf8c-7bcb-4b49-8c1d-542a55ad842e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_1d835747-c4d6-4e60-87f9-00691ca633ae" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e875bf8c-7bcb-4b49-8c1d-542a55ad842e" xlink:to="loc_exc_CommonwealthEdisonCoMember_1d835747-c4d6-4e60-87f9-00691ca633ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_6ccca5a8-8831-46d6-90e1-664b168a1856" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e875bf8c-7bcb-4b49-8c1d-542a55ad842e" xlink:to="loc_exc_PecoEnergyCoMember_6ccca5a8-8831-46d6-90e1-664b168a1856" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_f2948107-97ce-4871-8a42-cce108d5cd0a" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e875bf8c-7bcb-4b49-8c1d-542a55ad842e" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_f2948107-97ce-4871-8a42-cce108d5cd0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_5db6df56-a944-4b27-8765-3728b4f50071" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e875bf8c-7bcb-4b49-8c1d-542a55ad842e" xlink:to="loc_exc_PepcoHoldingsLLCMember_5db6df56-a944-4b27-8765-3728b4f50071" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_62dd5fab-45fe-4355-b58e-bc03b575a9f6" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e875bf8c-7bcb-4b49-8c1d-542a55ad842e" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_62dd5fab-45fe-4355-b58e-bc03b575a9f6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_5b8a1ad1-0841-4faa-a434-496abfebe310" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e875bf8c-7bcb-4b49-8c1d-542a55ad842e" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_5b8a1ad1-0841-4faa-a434-496abfebe310" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_54ea2a5b-232a-47a6-8178-0d3023554300" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e875bf8c-7bcb-4b49-8c1d-542a55ad842e" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_54ea2a5b-232a-47a6-8178-0d3023554300" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_a0987b5d-4fc1-40ab-aab2-e7df17ef72a6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_a8706acb-e805-4b8f-ab67-f6bbd9b12020" xlink:to="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_a0987b5d-4fc1-40ab-aab2-e7df17ef72a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_57666feb-1130-4eb8-86d2-2c1d5bc20ae3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_a0987b5d-4fc1-40ab-aab2-e7df17ef72a6" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_57666feb-1130-4eb8-86d2-2c1d5bc20ae3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_340d896d-e57d-4b98-afaa-4cfa724d1edd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_a0987b5d-4fc1-40ab-aab2-e7df17ef72a6" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_340d896d-e57d-4b98-afaa-4cfa724d1edd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_704c10c6-18f4-4045-804e-de053ef297cb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_a0987b5d-4fc1-40ab-aab2-e7df17ef72a6" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_704c10c6-18f4-4045-804e-de053ef297cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_79cbe87b-3b1a-4f10-99f5-95157fcacfab" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_a0987b5d-4fc1-40ab-aab2-e7df17ef72a6" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_79cbe87b-3b1a-4f10-99f5-95157fcacfab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/AccountsReceivableUnbilledCustomerRevenueDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#AccountsReceivableUnbilledCustomerRevenueDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/AccountsReceivableUnbilledCustomerRevenueDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract_69179d20-0e0c-40ca-8827-960c7add529b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_805ef4cd-82c0-4df5-ba63-20c0e5d690d3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract_69179d20-0e0c-40ca-8827-960c7add529b" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_805ef4cd-82c0-4df5-ba63-20c0e5d690d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_52f5e542-e2bd-4556-85ba-777105f54bd8" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_805ef4cd-82c0-4df5-ba63-20c0e5d690d3" xlink:to="loc_dei_LegalEntityAxis_52f5e542-e2bd-4556-85ba-777105f54bd8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_f905dc72-463d-4d29-bd96-2045270c5bb4" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_52f5e542-e2bd-4556-85ba-777105f54bd8" xlink:to="loc_dei_EntityDomain_f905dc72-463d-4d29-bd96-2045270c5bb4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_3a9e4580-d937-4c9d-8d89-d8f110aeeccc" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f905dc72-463d-4d29-bd96-2045270c5bb4" xlink:to="loc_exc_CommonwealthEdisonCoMember_3a9e4580-d937-4c9d-8d89-d8f110aeeccc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_1b81f724-5d56-4b0e-a2fb-e2c0fb9208f9" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f905dc72-463d-4d29-bd96-2045270c5bb4" xlink:to="loc_exc_PecoEnergyCoMember_1b81f724-5d56-4b0e-a2fb-e2c0fb9208f9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_904fdec6-9a5f-498c-8444-5d603d15a9e5" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f905dc72-463d-4d29-bd96-2045270c5bb4" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_904fdec6-9a5f-498c-8444-5d603d15a9e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_8e976878-7a05-4205-b468-71240f0a3a57" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f905dc72-463d-4d29-bd96-2045270c5bb4" xlink:to="loc_exc_PepcoHoldingsLLCMember_8e976878-7a05-4205-b468-71240f0a3a57" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_1374c2ad-f27e-49c9-826e-f3dc2dd158d0" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f905dc72-463d-4d29-bd96-2045270c5bb4" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_1374c2ad-f27e-49c9-826e-f3dc2dd158d0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_4a9a94fd-09ff-437f-bd9c-fbd16d28ac30" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f905dc72-463d-4d29-bd96-2045270c5bb4" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_4a9a94fd-09ff-437f-bd9c-fbd16d28ac30" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_c01e4b1b-fdab-422a-8168-83baf20eec93" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f905dc72-463d-4d29-bd96-2045270c5bb4" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_c01e4b1b-fdab-422a-8168-83baf20eec93" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_647bc777-483b-4eb0-91ef-05ca2defb863" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_805ef4cd-82c0-4df5-ba63-20c0e5d690d3" xlink:to="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_647bc777-483b-4eb0-91ef-05ca2defb863" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnbilledContractsReceivable_b4c83959-945f-4a42-865a-d1356626bf8e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_UnbilledContractsReceivable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_647bc777-483b-4eb0-91ef-05ca2defb863" xlink:to="loc_us-gaap_UnbilledContractsReceivable_b4c83959-945f-4a42-865a-d1356626bf8e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/AccountsReceivablePurchasesandSalesofAccountsReceivableDetail" xlink:type="simple" xlink:href="exc-20220930.xsd#AccountsReceivablePurchasesandSalesofAccountsReceivableDetail"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/AccountsReceivablePurchasesandSalesofAccountsReceivableDetail" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract_c4aaf131-35ee-4b68-94db-defe02382f8f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_8d5f04fb-d3d7-4cd4-bae5-aec242161c0a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract_c4aaf131-35ee-4b68-94db-defe02382f8f" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_8d5f04fb-d3d7-4cd4-bae5-aec242161c0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_2a40dc58-8973-4803-a4b6-658589c40012" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_8d5f04fb-d3d7-4cd4-bae5-aec242161c0a" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_2a40dc58-8973-4803-a4b6-658589c40012" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_a76fa99d-d49d-412b-a231-dd733c3f760a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_2a40dc58-8973-4803-a4b6-658589c40012" xlink:to="loc_us-gaap_RelatedPartyDomain_a76fa99d-d49d-412b-a231-dd733c3f760a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLlcAffiliateMember_f1c0f3d9-bcb2-4e2b-bf9d-7ac53d528583" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLlcAffiliateMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_a76fa99d-d49d-412b-a231-dd733c3f760a" xlink:to="loc_exc_ExelonGenerationCoLlcAffiliateMember_f1c0f3d9-bcb2-4e2b-bf9d-7ac53d528583" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_5010fc83-c6ac-42d9-812f-77e1533fa43f" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_8d5f04fb-d3d7-4cd4-bae5-aec242161c0a" xlink:to="loc_dei_LegalEntityAxis_5010fc83-c6ac-42d9-812f-77e1533fa43f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_72b46c9c-54eb-45d4-b03e-e1b42bd96105" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_5010fc83-c6ac-42d9-812f-77e1533fa43f" xlink:to="loc_dei_EntityDomain_72b46c9c-54eb-45d4-b03e-e1b42bd96105" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_e5f94d30-4f35-4989-a064-3b7d6db056d6" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_72b46c9c-54eb-45d4-b03e-e1b42bd96105" xlink:to="loc_exc_CommonwealthEdisonCoMember_e5f94d30-4f35-4989-a064-3b7d6db056d6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_17eb09d0-08ab-47f1-9887-93bf6e351fef" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_72b46c9c-54eb-45d4-b03e-e1b42bd96105" xlink:to="loc_exc_PecoEnergyCoMember_17eb09d0-08ab-47f1-9887-93bf6e351fef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_89d37985-f8c7-4fbb-9917-1deebf2abed3" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_72b46c9c-54eb-45d4-b03e-e1b42bd96105" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_89d37985-f8c7-4fbb-9917-1deebf2abed3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_c2cc29c1-6b20-47da-9c95-406d8e32bc53" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_72b46c9c-54eb-45d4-b03e-e1b42bd96105" xlink:to="loc_exc_PepcoHoldingsLLCMember_c2cc29c1-6b20-47da-9c95-406d8e32bc53" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_549fc261-c6fd-4170-be1f-b4266ff80fe7" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_72b46c9c-54eb-45d4-b03e-e1b42bd96105" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_549fc261-c6fd-4170-be1f-b4266ff80fe7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_4bfb4ccb-503b-4365-b562-df9431eb3b13" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_72b46c9c-54eb-45d4-b03e-e1b42bd96105" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_4bfb4ccb-503b-4365-b562-df9431eb3b13" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_d7375a7f-a759-43fd-833e-af48af77943d" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_72b46c9c-54eb-45d4-b03e-e1b42bd96105" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_d7375a7f-a759-43fd-833e-af48af77943d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_5bce6401-9108-441b-a99e-8cbfd95da9c8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_8d5f04fb-d3d7-4cd4-bae5-aec242161c0a" xlink:to="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_5bce6401-9108-441b-a99e-8cbfd95da9c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivablePurchase_f3dd1a27-c4e2-4e0d-8249-1177b7f665e8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivablePurchase"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_5bce6401-9108-441b-a99e-8cbfd95da9c8" xlink:to="loc_us-gaap_AccountsReceivablePurchase_f3dd1a27-c4e2-4e0d-8249-1177b7f665e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AccountsReceivableRelatedPartiesPurchase_e6a7211e-7428-4725-bbda-86484890a9fe" xlink:href="exc-20220930.xsd#exc_AccountsReceivableRelatedPartiesPurchase"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_5bce6401-9108-441b-a99e-8cbfd95da9c8" xlink:to="loc_exc_AccountsReceivableRelatedPartiesPurchase_e6a7211e-7428-4725-bbda-86484890a9fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/AssetImpairmentsNarrativeDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#AssetImpairmentsNarrativeDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/AssetImpairmentsNarrativeDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOrDisposalOfTangibleAssetsDisclosureAbstract_6f21eebe-dade-49e0-97df-073c51d0663d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ImpairmentOrDisposalOfTangibleAssetsDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_209f5f26-ebf7-4b7a-94df-46a0d3a2e5be" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ImpairmentOrDisposalOfTangibleAssetsDisclosureAbstract_6f21eebe-dade-49e0-97df-073c51d0663d" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_209f5f26-ebf7-4b7a-94df-46a0d3a2e5be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_269ebec4-32c2-4c06-a9f4-4c4039a0d6cb" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_209f5f26-ebf7-4b7a-94df-46a0d3a2e5be" xlink:to="loc_dei_LegalEntityAxis_269ebec4-32c2-4c06-a9f4-4c4039a0d6cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_89a4080e-a9a4-46ac-912e-f189d5ed31af" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_269ebec4-32c2-4c06-a9f4-4c4039a0d6cb" xlink:to="loc_dei_EntityDomain_89a4080e-a9a4-46ac-912e-f189d5ed31af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_0122be78-d7f1-4803-adef-a1cf7399de89" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_89a4080e-a9a4-46ac-912e-f189d5ed31af" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_0122be78-d7f1-4803-adef-a1cf7399de89" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_544483f9-4aa4-4b47-ab9c-6fd803e9bf77" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_209f5f26-ebf7-4b7a-94df-46a0d3a2e5be" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentLineItems_544483f9-4aa4-4b47-ab9c-6fd803e9bf77" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_f568734f-3721-41af-9f61-c3a3a6316460" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetImpairmentCharges"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_544483f9-4aa4-4b47-ab9c-6fd803e9bf77" xlink:to="loc_us-gaap_AssetImpairmentCharges_f568734f-3721-41af-9f61-c3a3a6316460" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_fe4c32db-69f2-42bb-a854-1747d7da0cee" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetImpairmentCharges"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ImpairmentOrDisposalOfTangibleAssetsDisclosureAbstract_6f21eebe-dade-49e0-97df-073c51d0663d" xlink:to="loc_us-gaap_AssetImpairmentCharges_fe4c32db-69f2-42bb-a854-1747d7da0cee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/IncomeTaxesNarrativeDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#IncomeTaxesNarrativeDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/IncomeTaxesNarrativeDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_dc6a2596-cdfa-4e11-a101-b0c0f1c255db" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_IncomeTaxAdditionalNarrativeInformationTable_6c71665d-82c1-4765-a135-c1285e495665" xlink:href="exc-20220930.xsd#exc_IncomeTaxAdditionalNarrativeInformationTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_dc6a2596-cdfa-4e11-a101-b0c0f1c255db" xlink:to="loc_exc_IncomeTaxAdditionalNarrativeInformationTable_6c71665d-82c1-4765-a135-c1285e495665" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_89d7afaa-3e73-4ae5-b059-bbbf686add71" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxAuthorityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationTable_6c71665d-82c1-4765-a135-c1285e495665" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_89d7afaa-3e73-4ae5-b059-bbbf686add71" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_11ca5b6e-2ba6-4595-82d0-6752e6c9689f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_89d7afaa-3e73-4ae5-b059-bbbf686add71" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_11ca5b6e-2ba6-4595-82d0-6752e6c9689f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StateAndLocalJurisdictionMember_ddef167b-c468-4aa6-81b5-5fdb9b65a8a5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StateAndLocalJurisdictionMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_11ca5b6e-2ba6-4595-82d0-6752e6c9689f" xlink:to="loc_us-gaap_StateAndLocalJurisdictionMember_ddef167b-c468-4aa6-81b5-5fdb9b65a8a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FederalAndState_2d8f0297-f918-48b6-af48-83d7ac4140a7" xlink:href="exc-20220930.xsd#exc_FederalAndState"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_11ca5b6e-2ba6-4595-82d0-6752e6c9689f" xlink:to="loc_exc_FederalAndState_2d8f0297-f918-48b6-af48-83d7ac4140a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_stpr_PA_8371d4e3-2873-4008-966b-2e1f4131499a" xlink:href="https://xbrl.sec.gov/stpr/2022/stpr-2022.xsd#stpr_PA"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_11ca5b6e-2ba6-4595-82d0-6752e6c9689f" xlink:to="loc_stpr_PA_8371d4e3-2873-4008-966b-2e1f4131499a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_a0969215-b50a-45eb-878a-5cecc64e279e" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationTable_6c71665d-82c1-4765-a135-c1285e495665" xlink:to="loc_dei_LegalEntityAxis_a0969215-b50a-45eb-878a-5cecc64e279e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_3f06b3b0-67f4-42d7-be83-44253a2c8c37" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_a0969215-b50a-45eb-878a-5cecc64e279e" xlink:to="loc_dei_EntityDomain_3f06b3b0-67f4-42d7-be83-44253a2c8c37" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_724cb88d-4afc-4ed8-bd78-a405169a5eda" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3f06b3b0-67f4-42d7-be83-44253a2c8c37" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_724cb88d-4afc-4ed8-bd78-a405169a5eda" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_e9c3b9d4-591a-4ca2-b2b9-bca9974b18ed" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3f06b3b0-67f4-42d7-be83-44253a2c8c37" xlink:to="loc_exc_PecoEnergyCoMember_e9c3b9d4-591a-4ca2-b2b9-bca9974b18ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatutoryAccountingPracticesByJurisdictionAxis_38d56b8b-b0a3-4207-aa94-9ea47e60b095" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatutoryAccountingPracticesByJurisdictionAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationTable_6c71665d-82c1-4765-a135-c1285e495665" xlink:to="loc_us-gaap_StatutoryAccountingPracticesByJurisdictionAxis_38d56b8b-b0a3-4207-aa94-9ea47e60b095" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatutoryAccountingPracticesJurisdictionDomain_47715294-6713-4e39-a0c2-f35624903a21" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatutoryAccountingPracticesJurisdictionDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatutoryAccountingPracticesByJurisdictionAxis_38d56b8b-b0a3-4207-aa94-9ea47e60b095" xlink:to="loc_us-gaap_StatutoryAccountingPracticesJurisdictionDomain_47715294-6713-4e39-a0c2-f35624903a21" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UsTreasuryUstInterestRateMember_243a6331-40c4-4829-b2bb-435375ede2c2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_UsTreasuryUstInterestRateMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatutoryAccountingPracticesJurisdictionDomain_47715294-6713-4e39-a0c2-f35624903a21" xlink:to="loc_us-gaap_UsTreasuryUstInterestRateMember_243a6331-40c4-4829-b2bb-435375ede2c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_IncomeTaxAdditionalNarrativeInformationLineItems_e3ca2cb0-a7d8-4e65-852b-c8e60eed68dc" xlink:href="exc-20220930.xsd#exc_IncomeTaxAdditionalNarrativeInformationLineItems"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationTable_6c71665d-82c1-4765-a135-c1285e495665" xlink:to="loc_exc_IncomeTaxAdditionalNarrativeInformationLineItems_e3ca2cb0-a7d8-4e65-852b-c8e60eed68dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit_b32c6b23-f4b8-4f56-9f6d-a62daeeab775" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationLineItems_e3ca2cb0-a7d8-4e65-852b-c8e60eed68dc" xlink:to="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit_b32c6b23-f4b8-4f56-9f6d-a62daeeab775" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_IncomeTaxExpenseRelatedToSeparation_78cb2049-5900-426a-8aee-bd1f25b98c7c" xlink:href="exc-20220930.xsd#exc_IncomeTaxExpenseRelatedToSeparation"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationLineItems_e3ca2cb0-a7d8-4e65-852b-c8e60eed68dc" xlink:to="loc_exc_IncomeTaxExpenseRelatedToSeparation_78cb2049-5900-426a-8aee-bd1f25b98c7c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_1ff54bf4-81c3-4cbc-b8ba-ccc076f17ef4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationLineItems_e3ca2cb0-a7d8-4e65-852b-c8e60eed68dc" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_1ff54bf4-81c3-4cbc-b8ba-ccc076f17ef4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_3729cc00-c0e9-496f-a1f8-e34300ea6c5e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationLineItems_e3ca2cb0-a7d8-4e65-852b-c8e60eed68dc" xlink:to="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_3729cc00-c0e9-496f-a1f8-e34300ea6c5e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxCreditsAndAdjustments_6b817b9e-4080-4fe5-8f55-f6c42e3d148d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxCreditsAndAdjustments"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationLineItems_e3ca2cb0-a7d8-4e65-852b-c8e60eed68dc" xlink:to="loc_us-gaap_IncomeTaxCreditsAndAdjustments_6b817b9e-4080-4fe5-8f55-f6c42e3d148d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_TotalTransactionCostsTaxesRelatingToTheSeparation_8c22fb0c-6269-49da-b539-2bf2635ba5be" xlink:href="exc-20220930.xsd#exc_TotalTransactionCostsTaxesRelatingToTheSeparation"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationLineItems_e3ca2cb0-a7d8-4e65-852b-c8e60eed68dc" xlink:to="loc_exc_TotalTransactionCostsTaxesRelatingToTheSeparation_8c22fb0c-6269-49da-b539-2bf2635ba5be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesReceivable_b8e8ccc1-0399-41a0-9aaa-67237829f225" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxesReceivable"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationLineItems_e3ca2cb0-a7d8-4e65-852b-c8e60eed68dc" xlink:to="loc_us-gaap_IncomeTaxesReceivable_b8e8ccc1-0399-41a0-9aaa-67237829f225" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableCurrent_a755daa8-024e-4500-a7cf-8316f623e3c1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NotesPayableCurrent"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationLineItems_e3ca2cb0-a7d8-4e65-852b-c8e60eed68dc" xlink:to="loc_us-gaap_NotesPayableCurrent_a755daa8-024e-4500-a7cf-8316f623e3c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermNotesPayable_ae15f942-076b-4cda-9d63-385ed1591555" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermNotesPayable"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationLineItems_e3ca2cb0-a7d8-4e65-852b-c8e60eed68dc" xlink:to="loc_us-gaap_LongTermNotesPayable_ae15f942-076b-4cda-9d63-385ed1591555" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherRegulatoryAssets_cbe33411-7684-4d3e-87c0-10ded3a7766d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOtherRegulatoryAssets"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationLineItems_e3ca2cb0-a7d8-4e65-852b-c8e60eed68dc" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherRegulatoryAssets_cbe33411-7684-4d3e-87c0-10ded3a7766d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_cc2b66b7-887d-4ee3-bcfe-feb0c98b50bd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInDeferredIncomeTaxes"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationLineItems_e3ca2cb0-a7d8-4e65-852b-c8e60eed68dc" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_cc2b66b7-887d-4ee3-bcfe-feb0c98b50bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_81a87079-b994-49ec-bb9c-69a2bf9a4695" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationLineItems_e3ca2cb0-a7d8-4e65-852b-c8e60eed68dc" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_81a87079-b994-49ec-bb9c-69a2bf9a4695" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_4ae3bef4-3f93-499d-ad7e-9255ec67450d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInIncomeTaxes"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationLineItems_e3ca2cb0-a7d8-4e65-852b-c8e60eed68dc" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_4ae3bef4-3f93-499d-ad7e-9255ec67450d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/IncomeTaxesReconciliationtoEffectiveTaxRateDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#IncomeTaxesReconciliationtoEffectiveTaxRateDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/IncomeTaxesReconciliationtoEffectiveTaxRateDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_9d0c994a-1883-4e6c-8cb0-3f1ca8bc6bd4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateTable_807512b7-d969-4c6e-9511-8b4425538660" xlink:href="exc-20220930.xsd#exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_9d0c994a-1883-4e6c-8cb0-3f1ca8bc6bd4" xlink:to="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateTable_807512b7-d969-4c6e-9511-8b4425538660" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_263576b9-71da-4d8d-baba-8778fca9ecd8" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateTable_807512b7-d969-4c6e-9511-8b4425538660" xlink:to="loc_dei_LegalEntityAxis_263576b9-71da-4d8d-baba-8778fca9ecd8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_cc7954e8-60f6-475d-b63a-e318a82c181d" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_263576b9-71da-4d8d-baba-8778fca9ecd8" xlink:to="loc_dei_EntityDomain_cc7954e8-60f6-475d-b63a-e318a82c181d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_32ef06d5-79bd-4b2f-a22e-ada5e2e84cd2" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cc7954e8-60f6-475d-b63a-e318a82c181d" xlink:to="loc_exc_CommonwealthEdisonCoMember_32ef06d5-79bd-4b2f-a22e-ada5e2e84cd2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_2bcb723e-57e1-440d-ae65-775163ad2b80" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cc7954e8-60f6-475d-b63a-e318a82c181d" xlink:to="loc_exc_PecoEnergyCoMember_2bcb723e-57e1-440d-ae65-775163ad2b80" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_81d02049-31e3-4d69-b926-f3f732901a83" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cc7954e8-60f6-475d-b63a-e318a82c181d" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_81d02049-31e3-4d69-b926-f3f732901a83" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_9d00123c-b10c-4c14-a50d-216008d86b69" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cc7954e8-60f6-475d-b63a-e318a82c181d" xlink:to="loc_exc_PepcoHoldingsLLCMember_9d00123c-b10c-4c14-a50d-216008d86b69" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_30a79fc1-68d3-4406-ac59-158d73257849" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cc7954e8-60f6-475d-b63a-e318a82c181d" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_30a79fc1-68d3-4406-ac59-158d73257849" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_0f1692cf-72ff-4a9d-a983-6ffdb973ae18" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cc7954e8-60f6-475d-b63a-e318a82c181d" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_0f1692cf-72ff-4a9d-a983-6ffdb973ae18" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_e55b05cf-3093-4c7c-9feb-64838fc558bf" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cc7954e8-60f6-475d-b63a-e318a82c181d" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_e55b05cf-3093-4c7c-9feb-64838fc558bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_7b871b97-a660-47e0-8146-adac2c38287e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxAuthorityAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateTable_807512b7-d969-4c6e-9511-8b4425538660" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_7b871b97-a660-47e0-8146-adac2c38287e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_244efbe7-e6a5-477e-8c57-b547d2502f0a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_7b871b97-a660-47e0-8146-adac2c38287e" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_244efbe7-e6a5-477e-8c57-b547d2502f0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_stpr_PA_837711b7-1d37-436b-9d3e-262e1d3e16b0" xlink:href="https://xbrl.sec.gov/stpr/2022/stpr-2022.xsd#stpr_PA"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_244efbe7-e6a5-477e-8c57-b547d2502f0a" xlink:to="loc_stpr_PA_837711b7-1d37-436b-9d3e-262e1d3e16b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FederalAndState_9c3d79d4-91b3-4d50-8452-a5825e20c3c2" xlink:href="exc-20220930.xsd#exc_FederalAndState"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_244efbe7-e6a5-477e-8c57-b547d2502f0a" xlink:to="loc_exc_FederalAndState_9c3d79d4-91b3-4d50-8452-a5825e20c3c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_a46d2570-fba6-48d9-8a2c-209c7aa1ce6a" xlink:href="exc-20220930.xsd#exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateTable_807512b7-d969-4c6e-9511-8b4425538660" xlink:to="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_a46d2570-fba6-48d9-8a2c-209c7aa1ce6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_7b9232ab-9e56-4d74-93fd-e9262893df9e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_a46d2570-fba6-48d9-8a2c-209c7aa1ce6a" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_7b9232ab-9e56-4d74-93fd-e9262893df9e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_c24b8fa2-4bbe-4cc7-9012-df31870cfc28" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_7b9232ab-9e56-4d74-93fd-e9262893df9e" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_c24b8fa2-4bbe-4cc7-9012-df31870cfc28" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AdjustmentsToReconcileFederalStatutoryIncomeTaxRateToEffectiveIncomeTaxRateContinuingOperationsAbstract_9073083c-35c2-43db-bef4-e8181bb06c09" xlink:href="exc-20220930.xsd#exc_AdjustmentsToReconcileFederalStatutoryIncomeTaxRateToEffectiveIncomeTaxRateContinuingOperationsAbstract"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_7b9232ab-9e56-4d74-93fd-e9262893df9e" xlink:to="loc_exc_AdjustmentsToReconcileFederalStatutoryIncomeTaxRateToEffectiveIncomeTaxRateContinuingOperationsAbstract_9073083c-35c2-43db-bef4-e8181bb06c09" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_d42978f6-ba85-4fc8-a8d0-f778fdecde12" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_AdjustmentsToReconcileFederalStatutoryIncomeTaxRateToEffectiveIncomeTaxRateContinuingOperationsAbstract_9073083c-35c2-43db-bef4-e8181bb06c09" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_d42978f6-ba85-4fc8-a8d0-f778fdecde12" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsOther_ae4d8067-3f10-4a65-94bf-06ad473d6868" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsOther"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_AdjustmentsToReconcileFederalStatutoryIncomeTaxRateToEffectiveIncomeTaxRateContinuingOperationsAbstract_9073083c-35c2-43db-bef4-e8181bb06c09" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsOther_ae4d8067-3f10-4a65-94bf-06ad473d6868" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EffectiveIncomeTaxRateReconciliationChangeinEnactedTaxLawPercent_4641a01d-ebbc-4b6a-a249-c5f695ea583d" xlink:href="exc-20220930.xsd#exc_EffectiveIncomeTaxRateReconciliationChangeinEnactedTaxLawPercent"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_AdjustmentsToReconcileFederalStatutoryIncomeTaxRateToEffectiveIncomeTaxRateContinuingOperationsAbstract_9073083c-35c2-43db-bef4-e8181bb06c09" xlink:to="loc_exc_EffectiveIncomeTaxRateReconciliationChangeinEnactedTaxLawPercent_4641a01d-ebbc-4b6a-a249-c5f695ea583d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment_b6d8b3aa-8705-4ce1-8435-df75f9b13392" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_AdjustmentsToReconcileFederalStatutoryIncomeTaxRateToEffectiveIncomeTaxRateContinuingOperationsAbstract_9073083c-35c2-43db-bef4-e8181bb06c09" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment_b6d8b3aa-8705-4ce1-8435-df75f9b13392" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther_45301242-949a-4e04-a358-d5851136d0a2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_AdjustmentsToReconcileFederalStatutoryIncomeTaxRateToEffectiveIncomeTaxRateContinuingOperationsAbstract_9073083c-35c2-43db-bef4-e8181bb06c09" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther_45301242-949a-4e04-a358-d5851136d0a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_57ee6f52-c693-4fb8-97bf-32f8f0a9e803" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_AdjustmentsToReconcileFederalStatutoryIncomeTaxRateToEffectiveIncomeTaxRateContinuingOperationsAbstract_9073083c-35c2-43db-bef4-e8181bb06c09" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_57ee6f52-c693-4fb8-97bf-32f8f0a9e803" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_834099b8-eefb-43e0-9e81-733ce23bc67b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_7b9232ab-9e56-4d74-93fd-e9262893df9e" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_834099b8-eefb-43e0-9e81-733ce23bc67b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_4319b829-6f5b-4405-824d-e00647bf83e8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInIncomeTaxes"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_a46d2570-fba6-48d9-8a2c-209c7aa1ce6a" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_4319b829-6f5b-4405-824d-e00647bf83e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_5220f495-d409-4596-b142-67bfa736e748" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_a46d2570-fba6-48d9-8a2c-209c7aa1ce6a" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_5220f495-d409-4596-b142-67bfa736e748" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_24340734-3868-4c40-bd26-31706ae67ae9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_a46d2570-fba6-48d9-8a2c-209c7aa1ce6a" xlink:to="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_24340734-3868-4c40-bd26-31706ae67ae9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxCreditsAndAdjustments_578e7b4a-bb83-49ff-a456-15447f92f304" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxCreditsAndAdjustments"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_a46d2570-fba6-48d9-8a2c-209c7aa1ce6a" xlink:to="loc_us-gaap_IncomeTaxCreditsAndAdjustments_578e7b4a-bb83-49ff-a456-15447f92f304" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_TotalTransactionCostsRelatingToTheSeparation_79f16294-5565-418c-b404-87052f080990" xlink:href="exc-20220930.xsd#exc_TotalTransactionCostsRelatingToTheSeparation"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_a46d2570-fba6-48d9-8a2c-209c7aa1ce6a" xlink:to="loc_exc_TotalTransactionCostsRelatingToTheSeparation_79f16294-5565-418c-b404-87052f080990" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_41a10e18-e57d-48b1-aafc-9d3b25899d6c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_a46d2570-fba6-48d9-8a2c-209c7aa1ce6a" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_41a10e18-e57d-48b1-aafc-9d3b25899d6c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_ded764b6-9c7d-422a-960b-a3669a547ac7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_a46d2570-fba6-48d9-8a2c-209c7aa1ce6a" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_ded764b6-9c7d-422a-960b-a3669a547ac7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/IncomeTaxesUnrecognizedTaxBenefitsDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#IncomeTaxesUnrecognizedTaxBenefitsDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/IncomeTaxesUnrecognizedTaxBenefitsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_f43b3355-0ee1-4255-959f-d723acbc272c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxContingencyTable_1c225d4b-196c-4df4-bd7f-d940cab694d0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxContingencyTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_f43b3355-0ee1-4255-959f-d723acbc272c" xlink:to="loc_us-gaap_IncomeTaxContingencyTable_1c225d4b-196c-4df4-bd7f-d940cab694d0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_a50d34c4-d267-49b4-9838-e7316e6c61e8" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxContingencyTable_1c225d4b-196c-4df4-bd7f-d940cab694d0" xlink:to="loc_dei_LegalEntityAxis_a50d34c4-d267-49b4-9838-e7316e6c61e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_973de464-0a91-48bc-aaff-88d120d2f398" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_a50d34c4-d267-49b4-9838-e7316e6c61e8" xlink:to="loc_dei_EntityDomain_973de464-0a91-48bc-aaff-88d120d2f398" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_5ec44e8b-e19c-4d4e-ad3a-70ee9cfa9805" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_973de464-0a91-48bc-aaff-88d120d2f398" xlink:to="loc_exc_PepcoHoldingsLLCMember_5ec44e8b-e19c-4d4e-ad3a-70ee9cfa9805" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_98208871-195e-4622-83ce-8d87f836153d" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_973de464-0a91-48bc-aaff-88d120d2f398" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_98208871-195e-4622-83ce-8d87f836153d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxContingencyLineItems_8d9897e9-45e5-4e38-b816-bacdcbaab1a3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxContingencyLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxContingencyTable_1c225d4b-196c-4df4-bd7f-d940cab694d0" xlink:to="loc_us-gaap_IncomeTaxContingencyLineItems_8d9897e9-45e5-4e38-b816-bacdcbaab1a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_b9ee3cdd-2652-4e28-acd8-b6ebd3857902" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_UnrecognizedTaxBenefits"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_8d9897e9-45e5-4e38-b816-bacdcbaab1a3" xlink:to="loc_us-gaap_UnrecognizedTaxBenefits_b9ee3cdd-2652-4e28-acd8-b6ebd3857902" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesReceivableNoncurrent_ed9ea5e2-7610-4b0d-9ee7-92bfdd11416a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxesReceivableNoncurrent"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_8d9897e9-45e5-4e38-b816-bacdcbaab1a3" xlink:to="loc_us-gaap_IncomeTaxesReceivableNoncurrent_ed9ea5e2-7610-4b0d-9ee7-92bfdd11416a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/IncomeTaxesAllocationofTaxBenefitsDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#IncomeTaxesAllocationofTaxBenefitsDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/IncomeTaxesAllocationofTaxBenefitsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_c6bcbb36-9b91-48a6-9993-049b5c4aaca7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AllocationOfTaxBenefitsTable_64809285-7202-471a-9556-3aa8bfed95ea" xlink:href="exc-20220930.xsd#exc_AllocationOfTaxBenefitsTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_c6bcbb36-9b91-48a6-9993-049b5c4aaca7" xlink:to="loc_exc_AllocationOfTaxBenefitsTable_64809285-7202-471a-9556-3aa8bfed95ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_6f440a0c-456e-4606-9da6-80b9f18ecb76" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_AllocationOfTaxBenefitsTable_64809285-7202-471a-9556-3aa8bfed95ea" xlink:to="loc_dei_LegalEntityAxis_6f440a0c-456e-4606-9da6-80b9f18ecb76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_ba59e0d5-563e-4d0f-b1d9-0d98b1aefb09" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_6f440a0c-456e-4606-9da6-80b9f18ecb76" xlink:to="loc_dei_EntityDomain_ba59e0d5-563e-4d0f-b1d9-0d98b1aefb09" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_2997ef26-7c24-43f4-b665-745c6b284216" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ba59e0d5-563e-4d0f-b1d9-0d98b1aefb09" xlink:to="loc_exc_CommonwealthEdisonCoMember_2997ef26-7c24-43f4-b665-745c6b284216" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_cf1e4852-df85-4924-90f9-82458f5dc43a" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ba59e0d5-563e-4d0f-b1d9-0d98b1aefb09" xlink:to="loc_exc_PecoEnergyCoMember_cf1e4852-df85-4924-90f9-82458f5dc43a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_83e7ee45-0525-4e15-aab8-4cddf998aa07" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ba59e0d5-563e-4d0f-b1d9-0d98b1aefb09" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_83e7ee45-0525-4e15-aab8-4cddf998aa07" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_fd98f1ea-ef81-4bd9-92ef-de7d33a347bb" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ba59e0d5-563e-4d0f-b1d9-0d98b1aefb09" xlink:to="loc_exc_PepcoHoldingsLLCMember_fd98f1ea-ef81-4bd9-92ef-de7d33a347bb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_9dac0e81-951b-486f-889f-13462a37ebe9" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ba59e0d5-563e-4d0f-b1d9-0d98b1aefb09" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_9dac0e81-951b-486f-889f-13462a37ebe9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_812c5960-2847-4c1a-8944-c5b3c8a3e2ed" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ba59e0d5-563e-4d0f-b1d9-0d98b1aefb09" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_812c5960-2847-4c1a-8944-c5b3c8a3e2ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_934a78a3-98d1-423d-a967-6ac68498cf31" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ba59e0d5-563e-4d0f-b1d9-0d98b1aefb09" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_934a78a3-98d1-423d-a967-6ac68498cf31" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_8c0495fb-2003-4e44-a4e6-9b3d2c0769bf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxAuthorityAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_AllocationOfTaxBenefitsTable_64809285-7202-471a-9556-3aa8bfed95ea" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_8c0495fb-2003-4e44-a4e6-9b3d2c0769bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_6535914b-e924-4933-aea7-93d3e8f4b2ed" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_8c0495fb-2003-4e44-a4e6-9b3d2c0769bf" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_6535914b-e924-4933-aea7-93d3e8f4b2ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StateAndLocalJurisdictionMember_5d9e705f-e74d-48bf-b20d-18f649d9f997" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StateAndLocalJurisdictionMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_6535914b-e924-4933-aea7-93d3e8f4b2ed" xlink:to="loc_us-gaap_StateAndLocalJurisdictionMember_5d9e705f-e74d-48bf-b20d-18f649d9f997" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AllocationOfTaxBenefitsLineItems_84084555-3154-42f8-acab-e1b63471ed42" xlink:href="exc-20220930.xsd#exc_AllocationOfTaxBenefitsLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_AllocationOfTaxBenefitsTable_64809285-7202-471a-9556-3aa8bfed95ea" xlink:to="loc_exc_AllocationOfTaxBenefitsLineItems_84084555-3154-42f8-acab-e1b63471ed42" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AllocationOfFederalTaxBenefitUnderTaxSharingAgreement_ca632e38-ae09-49b0-b77d-d895eb859ae3" xlink:href="exc-20220930.xsd#exc_AllocationOfFederalTaxBenefitUnderTaxSharingAgreement"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_AllocationOfTaxBenefitsLineItems_84084555-3154-42f8-acab-e1b63471ed42" xlink:to="loc_exc_AllocationOfFederalTaxBenefitUnderTaxSharingAgreement_ca632e38-ae09-49b0-b77d-d895eb859ae3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RetirementBenefitsNarrativeDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#RetirementBenefitsNarrativeDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RetirementBenefitsNarrativeDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_b6bc04b0-ea70-44c5-819c-e81c394c3c16" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_831dd0f0-69f0-4e9b-a60c-c7a0465a5906" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_b6bc04b0-ea70-44c5-819c-e81c394c3c16" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_831dd0f0-69f0-4e9b-a60c-c7a0465a5906" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_3293be01-db77-42eb-af10-71ddb4f6f550" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetirementPlanTypeAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_831dd0f0-69f0-4e9b-a60c-c7a0465a5906" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_3293be01-db77-42eb-af10-71ddb4f6f550" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_051536fe-439f-4c15-93d2-c03103737bbd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetirementPlanTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_3293be01-db77-42eb-af10-71ddb4f6f550" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_051536fe-439f-4c15-93d2-c03103737bbd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_cb6d98b1-25ca-4553-890e-830219f0c2d1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PensionPlansDefinedBenefitMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_051536fe-439f-4c15-93d2-c03103737bbd" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_cb6d98b1-25ca-4553-890e-830219f0c2d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_3eba005e-662c-45a4-9e5b-50346123d830" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_051536fe-439f-4c15-93d2-c03103737bbd" xlink:to="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_3eba005e-662c-45a4-9e5b-50346123d830" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_c6a65313-d450-47f6-9baa-55f62ca9fce6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_831dd0f0-69f0-4e9b-a60c-c7a0465a5906" xlink:to="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_c6a65313-d450-47f6-9baa-55f62ca9fce6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPensionPlanObligations_a44389bf-2d75-4fd1-9720-f7ceb1822c51" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInPensionPlanObligations"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_c6a65313-d450-47f6-9baa-55f62ca9fce6" xlink:to="loc_us-gaap_IncreaseDecreaseInPensionPlanObligations_a44389bf-2d75-4fd1-9720-f7ceb1822c51" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPostretirementObligations_77a295a9-d990-469e-935f-c8119b69e603" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInPostretirementObligations"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_c6a65313-d450-47f6-9baa-55f62ca9fce6" xlink:to="loc_us-gaap_IncreaseDecreaseInPostretirementObligations_77a295a9-d990-469e-935f-c8119b69e603" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax_93d5c2e1-eaaa-4cc1-a17e-61c969246d18" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_c6a65313-d450-47f6-9baa-55f62ca9fce6" xlink:to="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax_93d5c2e1-eaaa-4cc1-a17e-61c969246d18" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DefinedBenefitPlanAmountsRecognizedInRegulatoryAssetsBeforeTax_f5ae3ceb-4227-4798-b8b6-8b185503ec00" xlink:href="exc-20220930.xsd#exc_DefinedBenefitPlanAmountsRecognizedInRegulatoryAssetsBeforeTax"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_c6a65313-d450-47f6-9baa-55f62ca9fce6" xlink:to="loc_exc_DefinedBenefitPlanAmountsRecognizedInRegulatoryAssetsBeforeTax_f5ae3ceb-4227-4798-b8b6-8b185503ec00" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DefinedBenefitPlanAmountsRecognizedInRegulatoryLiabilitiesBeforeTax_af6452e4-7bf5-4363-a72e-82a8b9e9d7c2" xlink:href="exc-20220930.xsd#exc_DefinedBenefitPlanAmountsRecognizedInRegulatoryLiabilitiesBeforeTax"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_c6a65313-d450-47f6-9baa-55f62ca9fce6" xlink:to="loc_exc_DefinedBenefitPlanAmountsRecognizedInRegulatoryLiabilitiesBeforeTax_af6452e4-7bf5-4363-a72e-82a8b9e9d7c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_9e2bf405-2393-4cdd-831b-d82f193d91f7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_c6a65313-d450-47f6-9baa-55f62ca9fce6" xlink:to="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_9e2bf405-2393-4cdd-831b-d82f193d91f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_75e091dc-8755-4282-9ac3-be9ececfff68" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_c6a65313-d450-47f6-9baa-55f62ca9fce6" xlink:to="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_75e091dc-8755-4282-9ac3-be9ececfff68" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RetirementBenefitsCalculationofNetPeriodicBenefitCostDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#RetirementBenefitsCalculationofNetPeriodicBenefitCostDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RetirementBenefitsCalculationofNetPeriodicBenefitCostDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_73a01555-a656-4c4e-a104-5065ad1e2f58" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_2207c695-310d-4d23-9ff8-7f547a3d71e3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_73a01555-a656-4c4e-a104-5065ad1e2f58" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_2207c695-310d-4d23-9ff8-7f547a3d71e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_464ff43c-1464-4834-b2cb-d5b4590dc054" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetirementPlanTypeAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_2207c695-310d-4d23-9ff8-7f547a3d71e3" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_464ff43c-1464-4834-b2cb-d5b4590dc054" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_ada5f64b-46f1-4eb5-bec8-6a25ee260fa6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetirementPlanTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_464ff43c-1464-4834-b2cb-d5b4590dc054" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_ada5f64b-46f1-4eb5-bec8-6a25ee260fa6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_698aeecf-4d94-4763-ac8f-41ab8d685094" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PensionPlansDefinedBenefitMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_ada5f64b-46f1-4eb5-bec8-6a25ee260fa6" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_698aeecf-4d94-4763-ac8f-41ab8d685094" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_f41e98d4-5e2f-4c48-a929-60cca9fb38dd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_ada5f64b-46f1-4eb5-bec8-6a25ee260fa6" xlink:to="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_f41e98d4-5e2f-4c48-a929-60cca9fb38dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_416a4ef9-c148-41e6-a972-ebb727971cea" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_2207c695-310d-4d23-9ff8-7f547a3d71e3" xlink:to="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_416a4ef9-c148-41e6-a972-ebb727971cea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_4e1260d3-a37f-4454-b946-b32ffca5782f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPlanServiceCost"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_416a4ef9-c148-41e6-a972-ebb727971cea" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_4e1260d3-a37f-4454-b946-b32ffca5782f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_abe3b915-3c84-468c-ab7d-55497efe8634" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_416a4ef9-c148-41e6-a972-ebb727971cea" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_abe3b915-3c84-468c-ab7d-55497efe8634" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_4f2d9ffc-f787-4a71-a79f-60666465d71e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_416a4ef9-c148-41e6-a972-ebb727971cea" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_4f2d9ffc-f787-4a71-a79f-60666465d71e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AmortizationofPriorServiceCostBenefitandActuarialLossAbstract_40642e6f-225c-4586-818b-908c04eda364" xlink:href="exc-20220930.xsd#exc_AmortizationofPriorServiceCostBenefitandActuarialLossAbstract"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_416a4ef9-c148-41e6-a972-ebb727971cea" xlink:to="loc_exc_AmortizationofPriorServiceCostBenefitandActuarialLossAbstract_40642e6f-225c-4586-818b-908c04eda364" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_91cc9aac-c52f-4a9a-b8c0-b56265ea340a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_AmortizationofPriorServiceCostBenefitandActuarialLossAbstract_40642e6f-225c-4586-818b-908c04eda364" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_91cc9aac-c52f-4a9a-b8c0-b56265ea340a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_211a9c7d-add7-4220-8968-e45bc5c9af60" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_AmortizationofPriorServiceCostBenefitandActuarialLossAbstract_40642e6f-225c-4586-818b-908c04eda364" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_211a9c7d-add7-4220-8968-e45bc5c9af60" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_bfdb0bef-0144-481f-a114-784572835bed" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_416a4ef9-c148-41e6-a972-ebb727971cea" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_bfdb0bef-0144-481f-a114-784572835bed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_15f2b5de-c039-45e9-92ea-f1c66f686170" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_416a4ef9-c148-41e6-a972-ebb727971cea" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_15f2b5de-c039-45e9-92ea-f1c66f686170" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_b0f010dc-f942-4e1f-9068-7374e8c288b8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_416a4ef9-c148-41e6-a972-ebb727971cea" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_b0f010dc-f942-4e1f-9068-7374e8c288b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RetirementBenefitsAllocatedPortionofPensionandPostretirementBenefitPlanCostsDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#RetirementBenefitsAllocatedPortionofPensionandPostretirementBenefitPlanCostsDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RetirementBenefitsAllocatedPortionofPensionandPostretirementBenefitPlanCostsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_6c3bf5e1-c01a-4fda-86d6-d90454e4abac" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_314d8708-e22f-48b8-a965-4bc13fb735aa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_6c3bf5e1-c01a-4fda-86d6-d90454e4abac" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_314d8708-e22f-48b8-a965-4bc13fb735aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_1099fe2e-daea-4824-8454-876411c3af89" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_314d8708-e22f-48b8-a965-4bc13fb735aa" xlink:to="loc_dei_LegalEntityAxis_1099fe2e-daea-4824-8454-876411c3af89" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_ae62b011-d666-4225-98a6-72fffe197d8b" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_1099fe2e-daea-4824-8454-876411c3af89" xlink:to="loc_dei_EntityDomain_ae62b011-d666-4225-98a6-72fffe197d8b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_7cf632c7-1f9a-4fa3-aeed-7f53622dcfe8" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ae62b011-d666-4225-98a6-72fffe197d8b" xlink:to="loc_exc_CommonwealthEdisonCoMember_7cf632c7-1f9a-4fa3-aeed-7f53622dcfe8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_edd06a2b-f235-4298-aad8-96aa95bafcc7" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ae62b011-d666-4225-98a6-72fffe197d8b" xlink:to="loc_exc_PecoEnergyCoMember_edd06a2b-f235-4298-aad8-96aa95bafcc7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_bdf14076-efde-490e-b977-8f42e684e582" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ae62b011-d666-4225-98a6-72fffe197d8b" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_bdf14076-efde-490e-b977-8f42e684e582" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_2ae40a87-cb3e-4dbc-987c-4c5632afffab" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ae62b011-d666-4225-98a6-72fffe197d8b" xlink:to="loc_exc_PepcoHoldingsLLCMember_2ae40a87-cb3e-4dbc-987c-4c5632afffab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_79a3dde9-ea3d-414f-9901-8e7e16e2cb1c" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ae62b011-d666-4225-98a6-72fffe197d8b" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_79a3dde9-ea3d-414f-9901-8e7e16e2cb1c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_298a9333-89aa-4ad8-a96c-5b1c7351d3f2" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ae62b011-d666-4225-98a6-72fffe197d8b" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_298a9333-89aa-4ad8-a96c-5b1c7351d3f2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_e01ef6c2-dfb4-4df2-85bb-6f3432566d30" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ae62b011-d666-4225-98a6-72fffe197d8b" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_e01ef6c2-dfb4-4df2-85bb-6f3432566d30" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_fb5d5719-51ba-48ca-bb45-0dfbacc8b092" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetirementPlanTypeAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_314d8708-e22f-48b8-a965-4bc13fb735aa" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_fb5d5719-51ba-48ca-bb45-0dfbacc8b092" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_4e09a964-9b1c-451f-b4ac-4d429617741b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetirementPlanTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_fb5d5719-51ba-48ca-bb45-0dfbacc8b092" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_4e09a964-9b1c-451f-b4ac-4d429617741b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PensionandotherpostretirementbenefitMember_17112cfd-efed-4215-91b9-4620fa2d3fcd" xlink:href="exc-20220930.xsd#exc_PensionandotherpostretirementbenefitMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_4e09a964-9b1c-451f-b4ac-4d429617741b" xlink:to="loc_exc_PensionandotherpostretirementbenefitMember_17112cfd-efed-4215-91b9-4620fa2d3fcd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_77d3289c-5d10-42e6-9c62-819cf592a28c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_314d8708-e22f-48b8-a965-4bc13fb735aa" xlink:to="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_77d3289c-5d10-42e6-9c62-819cf592a28c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_e417bc03-c617-4484-ad62-7bbda1aeb1cf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PensionAndOtherPostretirementBenefitExpense"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_77d3289c-5d10-42e6-9c62-819cf592a28c" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_e417bc03-c617-4484-ad62-7bbda1aeb1cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RetirementBenefitsDefinedContributionSavingsPlansDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#RetirementBenefitsDefinedContributionSavingsPlansDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RetirementBenefitsDefinedContributionSavingsPlansDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_2b5d6916-b99c-4862-971f-ea64fe642780" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_1793e9f9-9f6d-4a04-9b0f-aeaadd3ca505" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_2b5d6916-b99c-4862-971f-ea64fe642780" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_1793e9f9-9f6d-4a04-9b0f-aeaadd3ca505" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_92c636f4-a490-4fe5-beb1-e913f0380609" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_1793e9f9-9f6d-4a04-9b0f-aeaadd3ca505" xlink:to="loc_dei_LegalEntityAxis_92c636f4-a490-4fe5-beb1-e913f0380609" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_05c0e42f-9e51-48f8-a810-26e8bfa447b6" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_92c636f4-a490-4fe5-beb1-e913f0380609" xlink:to="loc_dei_EntityDomain_05c0e42f-9e51-48f8-a810-26e8bfa447b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_46ea0844-fca7-4774-942a-a7564fff3fea" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_05c0e42f-9e51-48f8-a810-26e8bfa447b6" xlink:to="loc_exc_CommonwealthEdisonCoMember_46ea0844-fca7-4774-942a-a7564fff3fea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_00ec85fe-ebc9-4817-95f1-0eb97d5f1abc" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_05c0e42f-9e51-48f8-a810-26e8bfa447b6" xlink:to="loc_exc_PecoEnergyCoMember_00ec85fe-ebc9-4817-95f1-0eb97d5f1abc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_ad6a82eb-ddec-4c78-ac63-dd97a5f0f38a" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_05c0e42f-9e51-48f8-a810-26e8bfa447b6" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_ad6a82eb-ddec-4c78-ac63-dd97a5f0f38a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_f7e85d98-a724-461f-af2f-867fc90cd4f2" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_05c0e42f-9e51-48f8-a810-26e8bfa447b6" xlink:to="loc_exc_PepcoHoldingsLLCMember_f7e85d98-a724-461f-af2f-867fc90cd4f2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_49eb5641-9b17-49e5-b338-7f2954629c3f" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_05c0e42f-9e51-48f8-a810-26e8bfa447b6" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_49eb5641-9b17-49e5-b338-7f2954629c3f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_755623fe-01d5-47d7-9a42-d8d063351dfd" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_05c0e42f-9e51-48f8-a810-26e8bfa447b6" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_755623fe-01d5-47d7-9a42-d8d063351dfd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_c237f07f-dbf9-4045-897e-b663d36f1f5f" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_05c0e42f-9e51-48f8-a810-26e8bfa447b6" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_c237f07f-dbf9-4045-897e-b663d36f1f5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_fbf71b79-3a32-48ff-81ae-096152829fac" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_1793e9f9-9f6d-4a04-9b0f-aeaadd3ca505" xlink:to="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_fbf71b79-3a32-48ff-81ae-096152829fac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_bad30010-6746-474e-8367-b977836d202c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPlanContributionsByEmployer"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_fbf71b79-3a32-48ff-81ae-096152829fac" xlink:to="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_bad30010-6746-474e-8367-b977836d202c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/DerivativeFinancialInstrumentsNarrativeDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#DerivativeFinancialInstrumentsNarrativeDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/DerivativeFinancialInstrumentsNarrativeDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_6984ee13-0aa7-41a0-a936-5b96652a2df7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_a4c50b6f-482b-41e6-8605-2f7c6c114655" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_6984ee13-0aa7-41a0-a936-5b96652a2df7" xlink:to="loc_us-gaap_DerivativeTable_a4c50b6f-482b-41e6-8605-2f7c6c114655" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_0be1ec8d-4888-4e94-a01f-bf0cb04803f5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_a4c50b6f-482b-41e6-8605-2f7c6c114655" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_0be1ec8d-4888-4e94-a01f-bf0cb04803f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_f6283cc5-c1b1-4693-b76b-70b057ba77a5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_0be1ec8d-4888-4e94-a01f-bf0cb04803f5" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_f6283cc5-c1b1-4693-b76b-70b057ba77a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommodityContractMember_b0559f20-a88b-4ac0-8be2-5922a9d1195a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommodityContractMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_f6283cc5-c1b1-4693-b76b-70b057ba77a5" xlink:to="loc_us-gaap_CommodityContractMember_b0559f20-a88b-4ac0-8be2-5922a9d1195a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_fbd0bc55-5cd9-48a1-a736-1199183bc892" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestRateSwapMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_f6283cc5-c1b1-4693-b76b-70b057ba77a5" xlink:to="loc_us-gaap_InterestRateSwapMember_fbd0bc55-5cd9-48a1-a736-1199183bc892" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateCapMember_8ec8d1dc-4769-42a0-b921-d84306215b4b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestRateCapMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_f6283cc5-c1b1-4693-b76b-70b057ba77a5" xlink:to="loc_us-gaap_InterestRateCapMember_8ec8d1dc-4769-42a0-b921-d84306215b4b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_fc8ea832-ee3c-46d4-8a0f-8b09cf4e3db0" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_a4c50b6f-482b-41e6-8605-2f7c6c114655" xlink:to="loc_dei_LegalEntityAxis_fc8ea832-ee3c-46d4-8a0f-8b09cf4e3db0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_277ed818-cabc-4d1a-b270-f7e942de7d31" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_fc8ea832-ee3c-46d4-8a0f-8b09cf4e3db0" xlink:to="loc_dei_EntityDomain_277ed818-cabc-4d1a-b270-f7e942de7d31" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_d28260b5-9593-4abc-99df-57f1c2d5652d" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_277ed818-cabc-4d1a-b270-f7e942de7d31" xlink:to="loc_exc_CommonwealthEdisonCoMember_d28260b5-9593-4abc-99df-57f1c2d5652d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_f124d6c7-2541-4d41-bd8c-da143bf47bd4" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_277ed818-cabc-4d1a-b270-f7e942de7d31" xlink:to="loc_exc_PecoEnergyCoMember_f124d6c7-2541-4d41-bd8c-da143bf47bd4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_cbc4ffec-dd2d-4474-85f0-3f52fba87975" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_277ed818-cabc-4d1a-b270-f7e942de7d31" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_cbc4ffec-dd2d-4474-85f0-3f52fba87975" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_3d6ae0f3-ff68-4b38-97e0-c79feeabd4f3" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_277ed818-cabc-4d1a-b270-f7e942de7d31" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_3d6ae0f3-ff68-4b38-97e0-c79feeabd4f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_e8d7dfbd-f9db-48db-aa91-2b7a27318650" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_277ed818-cabc-4d1a-b270-f7e942de7d31" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_e8d7dfbd-f9db-48db-aa91-2b7a27318650" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_8658781e-80fa-428f-9b13-e7167a153fbc" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_277ed818-cabc-4d1a-b270-f7e942de7d31" xlink:to="loc_exc_PepcoHoldingsLLCMember_8658781e-80fa-428f-9b13-e7167a153fbc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_6e47fc30-7240-4eef-8a6b-4f055d7e72fb" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_277ed818-cabc-4d1a-b270-f7e942de7d31" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_6e47fc30-7240-4eef-8a6b-4f055d7e72fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_b4b45561-0d9c-4366-a186-aa3434e80434" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CounterpartyNameAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_a4c50b6f-482b-41e6-8605-2f7c6c114655" xlink:to="loc_srt_CounterpartyNameAxis_b4b45561-0d9c-4366-a186-aa3434e80434" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_65105f2e-ee8c-49bf-b373-c001fe24d886" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CounterpartyNameAxis_b4b45561-0d9c-4366-a186-aa3434e80434" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_65105f2e-ee8c-49bf-b373-c001fe24d886" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExternalCounterpartiesMember_ed0643a9-44b3-42e6-8ba2-e92974839975" xlink:href="exc-20220930.xsd#exc_ExternalCounterpartiesMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_65105f2e-ee8c-49bf-b373-c001fe24d886" xlink:to="loc_exc_ExternalCounterpartiesMember_ed0643a9-44b3-42e6-8ba2-e92974839975" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_e85effd0-6fb0-4001-a34b-3378e0419c9f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_a4c50b6f-482b-41e6-8605-2f7c6c114655" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_e85effd0-6fb0-4001-a34b-3378e0419c9f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_eb673d03-3a30-4684-8389-52b1e925a85b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingRelationshipDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_e85effd0-6fb0-4001-a34b-3378e0419c9f" xlink:to="loc_us-gaap_HedgingRelationshipDomain_eb673d03-3a30-4684-8389-52b1e925a85b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CollateralMember_5729a8b6-d179-49bb-a2eb-d266abfd1195" xlink:href="exc-20220930.xsd#exc_CollateralMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingRelationshipDomain_eb673d03-3a30-4684-8389-52b1e925a85b" xlink:to="loc_exc_CollateralMember_5729a8b6-d179-49bb-a2eb-d266abfd1195" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_1316a7c2-6c7e-48a9-a154-0a507989fa8f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashFlowHedgingMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingRelationshipDomain_eb673d03-3a30-4684-8389-52b1e925a85b" xlink:to="loc_us-gaap_CashFlowHedgingMember_1316a7c2-6c7e-48a9-a154-0a507989fa8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_11554525-ad21-46e4-a5e5-90f483f9fb72" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingRelationshipDomain_eb673d03-3a30-4684-8389-52b1e925a85b" xlink:to="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_11554525-ad21-46e4-a5e5-90f483f9fb72" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_60cb3a28-e660-41b7-af0f-143cab9ae60d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_a4c50b6f-482b-41e6-8605-2f7c6c114655" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_60cb3a28-e660-41b7-af0f-143cab9ae60d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_8490ed14-41be-48e6-973b-af4202bd3655" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_60cb3a28-e660-41b7-af0f-143cab9ae60d" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_8490ed14-41be-48e6-973b-af4202bd3655" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_fe515ed9-7006-49d9-bd96-0986eb052e9d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_8490ed14-41be-48e6-973b-af4202bd3655" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_fe515ed9-7006-49d9-bd96-0986eb052e9d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_961bf544-399f-4a7a-92b0-209a8fe4b29e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingDesignationAxis"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_a4c50b6f-482b-41e6-8605-2f7c6c114655" xlink:to="loc_us-gaap_HedgingDesignationAxis_961bf544-399f-4a7a-92b0-209a8fe4b29e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_2410d9b3-e329-479f-afbd-a30258565b23" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingDesignationDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingDesignationAxis_961bf544-399f-4a7a-92b0-209a8fe4b29e" xlink:to="loc_us-gaap_HedgingDesignationDomain_2410d9b3-e329-479f-afbd-a30258565b23" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_e900eff8-bce4-42e9-a16a-2d8ca52afd5a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NondesignatedMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingDesignationDomain_2410d9b3-e329-479f-afbd-a30258565b23" xlink:to="loc_us-gaap_NondesignatedMember_e900eff8-bce4-42e9-a16a-2d8ca52afd5a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_62356d4f-61e9-4484-a362-49fe2c3a9edb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeAxis"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_a4c50b6f-482b-41e6-8605-2f7c6c114655" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_62356d4f-61e9-4484-a362-49fe2c3a9edb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_c58b098e-e5ce-4c3a-87dc-e4f69af6d0a3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_62356d4f-61e9-4484-a362-49fe2c3a9edb" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_c58b098e-e5ce-4c3a-87dc-e4f69af6d0a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_d389e52b-e970-4d6e-835a-ae365f070326" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_c58b098e-e5ce-4c3a-87dc-e4f69af6d0a3" xlink:to="loc_us-gaap_SubsequentEventMember_d389e52b-e970-4d6e-835a-ae365f070326" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_9940f775-5445-41bd-b477-3d2a2cab80d4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeLineItems"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_a4c50b6f-482b-41e6-8605-2f7c6c114655" xlink:to="loc_us-gaap_DerivativeLineItems_9940f775-5445-41bd-b477-3d2a2cab80d4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentMinimumEnergyVolumeRequired_984b5e2b-9e93-4f2b-9890-2917dbb5a3f9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermPurchaseCommitmentMinimumEnergyVolumeRequired"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_9940f775-5445-41bd-b477-3d2a2cab80d4" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentMinimumEnergyVolumeRequired_984b5e2b-9e93-4f2b-9890-2917dbb5a3f9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_c27d9e0b-2b09-4ae6-9158-e3db20ebdb4f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherLiabilitiesCurrent"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_9940f775-5445-41bd-b477-3d2a2cab80d4" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_c27d9e0b-2b09-4ae6-9158-e3db20ebdb4f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_IncrementalCollateralForLossOfInvestmentGradeCreditRating_56f6c452-86d7-4f65-85c1-4813e0d4db86" xlink:href="exc-20220930.xsd#exc_IncrementalCollateralForLossOfInvestmentGradeCreditRating"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_9940f775-5445-41bd-b477-3d2a2cab80d4" xlink:to="loc_exc_IncrementalCollateralForLossOfInvestmentGradeCreditRating_56f6c452-86d7-4f65-85c1-4813e0d4db86" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_06402cee-9e22-4d41-bd55-cfa88094381d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeAssets"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_9940f775-5445-41bd-b477-3d2a2cab80d4" xlink:to="loc_us-gaap_DerivativeAssets_06402cee-9e22-4d41-bd55-cfa88094381d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_9cb81c62-54f3-4805-ba8f-1121e0d7af07" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeNotionalAmount"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_9940f775-5445-41bd-b477-3d2a2cab80d4" xlink:to="loc_us-gaap_DerivativeNotionalAmount_9cb81c62-54f3-4805-ba8f-1121e0d7af07" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_8e7c33c6-cf92-4d03-b964-5dee8fc19ca4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_6984ee13-0aa7-41a0-a936-5b96652a2df7" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_8e7c33c6-cf92-4d03-b964-5dee8fc19ca4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/DebtandCreditAgreementsNarrativeDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#DebtandCreditAgreementsNarrativeDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/DebtandCreditAgreementsNarrativeDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_70f92352-a34a-4e24-993b-fc2e4958e7ce" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShortTermDebtTable_f64700b4-98d5-47dc-9b28-3f64860d60ba" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShortTermDebtTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_70f92352-a34a-4e24-993b-fc2e4958e7ce" xlink:to="loc_us-gaap_ScheduleOfShortTermDebtTable_f64700b4-98d5-47dc-9b28-3f64860d60ba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_571b6139-cf25-4152-84fd-168ebbea7197" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CreditFacilityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_f64700b4-98d5-47dc-9b28-3f64860d60ba" xlink:to="loc_us-gaap_CreditFacilityAxis_571b6139-cf25-4152-84fd-168ebbea7197" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_ece3a7df-e860-4d71-82c0-cb5bfba40653" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CreditFacilityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityAxis_571b6139-cf25-4152-84fd-168ebbea7197" xlink:to="loc_us-gaap_CreditFacilityDomain_ece3a7df-e860-4d71-82c0-cb5bfba40653" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LetterOfCreditMember_0eea962b-3669-4fcb-b259-6a85fc780401" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LetterOfCreditMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_ece3a7df-e860-4d71-82c0-cb5bfba40653" xlink:to="loc_us-gaap_LetterOfCreditMember_0eea962b-3669-4fcb-b259-6a85fc780401" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_c6c9ef46-e3fb-4005-9460-2919348cf4ad" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevolvingCreditFacilityMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_ece3a7df-e860-4d71-82c0-cb5bfba40653" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_c6c9ef46-e3fb-4005-9460-2919348cf4ad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_7aad2df6-ee6e-4e38-9d47-544d4e4cbd07" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_f64700b4-98d5-47dc-9b28-3f64860d60ba" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_7aad2df6-ee6e-4e38-9d47-544d4e4cbd07" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_2f0c0183-c956-45c6-8990-0750b36309c4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_7aad2df6-ee6e-4e38-9d47-544d4e4cbd07" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_2f0c0183-c956-45c6-8990-0750b36309c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_0387a3f3-5d88-4a4c-ab0d-b8d750dce583" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_2f0c0183-c956-45c6-8990-0750b36309c4" xlink:to="loc_us-gaap_SubsequentEventMember_0387a3f3-5d88-4a4c-ab0d-b8d750dce583" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_c7e5eb8d-7385-4f8f-88f4-131719b7a023" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_f64700b4-98d5-47dc-9b28-3f64860d60ba" xlink:to="loc_dei_LegalEntityAxis_c7e5eb8d-7385-4f8f-88f4-131719b7a023" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_c374dae4-427d-4ac3-b699-186473b667fe" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_c7e5eb8d-7385-4f8f-88f4-131719b7a023" xlink:to="loc_dei_EntityDomain_c374dae4-427d-4ac3-b699-186473b667fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_e9665cb2-f283-4ee1-993f-8f2c37c57a0a" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c374dae4-427d-4ac3-b699-186473b667fe" xlink:to="loc_exc_CommonwealthEdisonCoMember_e9665cb2-f283-4ee1-993f-8f2c37c57a0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_9d228872-a7b8-4bb8-abae-e7579e03ad04" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c374dae4-427d-4ac3-b699-186473b667fe" xlink:to="loc_exc_PecoEnergyCoMember_9d228872-a7b8-4bb8-abae-e7579e03ad04" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_0eec0747-b965-440b-bd74-f30bb7881980" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c374dae4-427d-4ac3-b699-186473b667fe" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_0eec0747-b965-440b-bd74-f30bb7881980" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_0c9717bd-98ec-4f9b-a021-602f611b74d9" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c374dae4-427d-4ac3-b699-186473b667fe" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_0c9717bd-98ec-4f9b-a021-602f611b74d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_09e500e6-fbed-447a-9f6b-e1504e5a70f5" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c374dae4-427d-4ac3-b699-186473b667fe" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_09e500e6-fbed-447a-9f6b-e1504e5a70f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_28ad8f02-3802-490f-9ca5-5bb9cacf5bcc" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c374dae4-427d-4ac3-b699-186473b667fe" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_28ad8f02-3802-490f-9ca5-5bb9cacf5bcc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_c14a0ac8-e1f9-48e6-8644-680457031fa6" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_f64700b4-98d5-47dc-9b28-3f64860d60ba" xlink:to="loc_srt_ConsolidationItemsAxis_c14a0ac8-e1f9-48e6-8644-680457031fa6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_98c3e9ee-2c3b-4ddd-a081-0039121b5e6e" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_c14a0ac8-e1f9-48e6-8644-680457031fa6" xlink:to="loc_srt_ConsolidationItemsDomain_98c3e9ee-2c3b-4ddd-a081-0039121b5e6e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_7d162b6b-4af5-456c-8eee-2de244cb08f9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CorporateNonSegmentMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_98c3e9ee-2c3b-4ddd-a081-0039121b5e6e" xlink:to="loc_us-gaap_CorporateNonSegmentMember_7d162b6b-4af5-456c-8eee-2de244cb08f9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_8a1c4051-a89e-4047-a083-2f5897dabd1f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentAxis"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_f64700b4-98d5-47dc-9b28-3f64860d60ba" xlink:to="loc_us-gaap_DebtInstrumentAxis_8a1c4051-a89e-4047-a083-2f5897dabd1f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_26c85dad-1ce4-4204-9e3f-b0edfb07ae25" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_8a1c4051-a89e-4047-a083-2f5897dabd1f" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_26c85dad-1ce4-4204-9e3f-b0edfb07ae25" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ShortTermDebt03232017Member_d3233eed-8eef-4881-a498-8912eba3b92a" xlink:href="exc-20220930.xsd#exc_ShortTermDebt03232017Member"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_26c85dad-1ce4-4204-9e3f-b0edfb07ae25" xlink:to="loc_exc_ShortTermDebt03232017Member_d3233eed-8eef-4881-a498-8912eba3b92a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ShortTermDebt033120211Member_743eb409-6fdb-4766-beba-810391e7e395" xlink:href="exc-20220930.xsd#exc_ShortTermDebt033120211Member"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_26c85dad-1ce4-4204-9e3f-b0edfb07ae25" xlink:to="loc_exc_ShortTermDebt033120211Member_743eb409-6fdb-4766-beba-810391e7e395" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ShortTermDebtSOFRplus075Jan2023Member_5c93013f-9ea1-4edb-bc13-0ffcd18e8678" xlink:href="exc-20220930.xsd#exc_ShortTermDebtSOFRplus075Jan2023Member"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_26c85dad-1ce4-4204-9e3f-b0edfb07ae25" xlink:to="loc_exc_ShortTermDebtSOFRplus075Jan2023Member_5c93013f-9ea1-4edb-bc13-0ffcd18e8678" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ShortTermDebtSOFRplus075PLUS225BPincreaseJan2023Member_49615113-904c-46fa-a0b4-532483221542" xlink:href="exc-20220930.xsd#exc_ShortTermDebtSOFRplus075PLUS225BPincreaseJan2023Member"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_26c85dad-1ce4-4204-9e3f-b0edfb07ae25" xlink:to="loc_exc_ShortTermDebtSOFRplus075PLUS225BPincreaseJan2023Member_49615113-904c-46fa-a0b4-532483221542" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_cc9e9d95-60a6-4409-bdda-3436de9b11cc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VariableRateAxis"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_f64700b4-98d5-47dc-9b28-3f64860d60ba" xlink:to="loc_us-gaap_VariableRateAxis_cc9e9d95-60a6-4409-bdda-3436de9b11cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_b8b22252-12ea-4519-9683-497db6b22941" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VariableRateDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateAxis_cc9e9d95-60a6-4409-bdda-3436de9b11cc" xlink:to="loc_us-gaap_VariableRateDomain_b8b22252-12ea-4519-9683-497db6b22941" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_078dbff7-5337-4819-9508-60e0705d8d7b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_b8b22252-12ea-4519-9683-497db6b22941" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_078dbff7-5337-4819-9508-60e0705d8d7b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_ace93435-b75b-4206-b6d5-9e612ef4f43a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_b8b22252-12ea-4519-9683-497db6b22941" xlink:to="loc_us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_ace93435-b75b-4206-b6d5-9e612ef4f43a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtLineItems_ce84dd8f-9722-4480-b6f9-13e5c9917f83" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortTermDebtLineItems"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_f64700b4-98d5-47dc-9b28-3f64860d60ba" xlink:to="loc_us-gaap_ShortTermDebtLineItems_ce84dd8f-9722-4480-b6f9-13e5c9917f83" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod_dc149573-ef68-42b0-b42c-55ee67e22d12" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_ce84dd8f-9722-4480-b6f9-13e5c9917f83" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod_dc149573-ef68-42b0-b42c-55ee67e22d12" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_90946279-739f-4ec4-bd45-9d7f81067a34" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_ce84dd8f-9722-4480-b6f9-13e5c9917f83" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_90946279-739f-4ec4-bd45-9d7f81067a34" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBankLoansAndNotesPayable_fc3c679c-d181-4622-b3de-bd43bb500f99" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortTermBankLoansAndNotesPayable"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_ce84dd8f-9722-4480-b6f9-13e5c9917f83" xlink:to="loc_us-gaap_ShortTermBankLoansAndNotesPayable_fc3c679c-d181-4622-b3de-bd43bb500f99" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateTerms_74c36d13-028c-442d-9614-10b2898e3fa8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentInterestRateTerms"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_ce84dd8f-9722-4480-b6f9-13e5c9917f83" xlink:to="loc_us-gaap_DebtInstrumentInterestRateTerms_74c36d13-028c-442d-9614-10b2898e3fa8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfDebt_749f8a71-bed4-4d5f-87d3-c9fa8ae656a3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromRepaymentsOfDebt"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_ce84dd8f-9722-4480-b6f9-13e5c9917f83" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfDebt_749f8a71-bed4-4d5f-87d3-c9fa8ae656a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_1415528b-7666-484a-9f51-7ee392ba5b4e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentFaceAmount"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_ce84dd8f-9722-4480-b6f9-13e5c9917f83" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_1415528b-7666-484a-9f51-7ee392ba5b4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_ff76a67a-24d8-4768-bd70-a1503ba81af9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentTable"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_70f92352-a34a-4e24-993b-fc2e4958e7ce" xlink:to="loc_us-gaap_DebtInstrumentTable_ff76a67a-24d8-4768-bd70-a1503ba81af9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_1b1f5f2e-69d6-4ff5-8493-ad394b918da3" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_ff76a67a-24d8-4768-bd70-a1503ba81af9" xlink:to="loc_srt_ConsolidationItemsAxis_1b1f5f2e-69d6-4ff5-8493-ad394b918da3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_8808e979-0c0b-42e0-b386-5e575c603484" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsDomain"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_bc91caeb-362e-48e7-83d0-fd59c68fb644" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_ff76a67a-24d8-4768-bd70-a1503ba81af9" xlink:to="loc_us-gaap_DebtInstrumentLineItems_bc91caeb-362e-48e7-83d0-fd59c68fb644" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesReceivableRelatedParties_68edc2a2-f1d8-408c-83e1-7e99cc3983fc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NotesReceivableRelatedParties"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bc91caeb-362e-48e7-83d0-fd59c68fb644" xlink:to="loc_us-gaap_NotesReceivableRelatedParties_68edc2a2-f1d8-408c-83e1-7e99cc3983fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleAndCollectionOfNotesReceivable_af3af897-020e-4dea-aeb1-d74f4f4d12d7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromSaleAndCollectionOfNotesReceivable"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bc91caeb-362e-48e7-83d0-fd59c68fb644" xlink:to="loc_us-gaap_ProceedsFromSaleAndCollectionOfNotesReceivable_af3af897-020e-4dea-aeb1-d74f4f4d12d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/DebtandCreditAgreementsCommercialPaperBorrowingsDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#DebtandCreditAgreementsCommercialPaperBorrowingsDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/DebtandCreditAgreementsCommercialPaperBorrowingsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_e274e808-856f-47c1-a034-30bd739dbf27" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShortTermDebtTable_2aecc7c5-ab99-4e0a-a259-beaa1ef9b256" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShortTermDebtTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_e274e808-856f-47c1-a034-30bd739dbf27" xlink:to="loc_us-gaap_ScheduleOfShortTermDebtTable_2aecc7c5-ab99-4e0a-a259-beaa1ef9b256" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_845a28a8-be92-4b14-8bda-3ab4495ffc91" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_2aecc7c5-ab99-4e0a-a259-beaa1ef9b256" xlink:to="loc_dei_LegalEntityAxis_845a28a8-be92-4b14-8bda-3ab4495ffc91" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_226300bf-8faf-4602-9322-8c054f08d4f5" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_845a28a8-be92-4b14-8bda-3ab4495ffc91" xlink:to="loc_dei_EntityDomain_226300bf-8faf-4602-9322-8c054f08d4f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_98f12bba-c2ff-42e7-a2e9-c60c6ce665e4" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_226300bf-8faf-4602-9322-8c054f08d4f5" xlink:to="loc_exc_CommonwealthEdisonCoMember_98f12bba-c2ff-42e7-a2e9-c60c6ce665e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_f01bb791-409e-4f0b-a6d9-e289800dfe48" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_226300bf-8faf-4602-9322-8c054f08d4f5" xlink:to="loc_exc_PecoEnergyCoMember_f01bb791-409e-4f0b-a6d9-e289800dfe48" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_5b841a34-375c-45e1-b22d-f4d7a13edf62" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_226300bf-8faf-4602-9322-8c054f08d4f5" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_5b841a34-375c-45e1-b22d-f4d7a13edf62" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_62de253c-1a45-4278-98ee-7eb6611ec10c" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_226300bf-8faf-4602-9322-8c054f08d4f5" xlink:to="loc_exc_PepcoHoldingsLLCMember_62de253c-1a45-4278-98ee-7eb6611ec10c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_dc3a323f-5587-4cee-be99-0fc77624de44" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_226300bf-8faf-4602-9322-8c054f08d4f5" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_dc3a323f-5587-4cee-be99-0fc77624de44" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_9f7906ab-d571-4967-8f8e-0c67ab52e60f" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_226300bf-8faf-4602-9322-8c054f08d4f5" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_9f7906ab-d571-4967-8f8e-0c67ab52e60f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_626518e5-8c53-4f01-a2c1-851999614487" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_226300bf-8faf-4602-9322-8c054f08d4f5" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_626518e5-8c53-4f01-a2c1-851999614487" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_c29433d2-2fa4-474c-8bd6-8bc5bf752cba" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_2aecc7c5-ab99-4e0a-a259-beaa1ef9b256" xlink:to="loc_srt_ConsolidationItemsAxis_c29433d2-2fa4-474c-8bd6-8bc5bf752cba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_a4d7581d-5207-4eb8-9c88-fffa0d22e0ee" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_c29433d2-2fa4-474c-8bd6-8bc5bf752cba" xlink:to="loc_srt_ConsolidationItemsDomain_a4d7581d-5207-4eb8-9c88-fffa0d22e0ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_6c50d8b8-2046-4506-95b4-751a8a99bce0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CorporateNonSegmentMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_a4d7581d-5207-4eb8-9c88-fffa0d22e0ee" xlink:to="loc_us-gaap_CorporateNonSegmentMember_6c50d8b8-2046-4506-95b4-751a8a99bce0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis_6df36d99-68bb-4ab1-9cb9-ef2820fca55c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortTermDebtTypeAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_2aecc7c5-ab99-4e0a-a259-beaa1ef9b256" xlink:to="loc_us-gaap_ShortTermDebtTypeAxis_6df36d99-68bb-4ab1-9cb9-ef2820fca55c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_e8faa688-81ee-4906-8a46-2bce934fa004" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortTermDebtTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_6df36d99-68bb-4ab1-9cb9-ef2820fca55c" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_e8faa688-81ee-4906-8a46-2bce934fa004" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaperMember_1eff6dee-3bd4-4ce5-a931-861055da7822" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommercialPaperMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain_e8faa688-81ee-4906-8a46-2bce934fa004" xlink:to="loc_us-gaap_CommercialPaperMember_1eff6dee-3bd4-4ce5-a931-861055da7822" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtLineItems_ead9fba9-dc74-4cd8-b4c3-21aa24345596" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortTermDebtLineItems"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_2aecc7c5-ab99-4e0a-a259-beaa1ef9b256" xlink:to="loc_us-gaap_ShortTermDebtLineItems_ead9fba9-dc74-4cd8-b4c3-21aa24345596" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaper_925eecc6-fd05-4ed0-b232-c13e92f79415" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommercialPaper"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_ead9fba9-dc74-4cd8-b4c3-21aa24345596" xlink:to="loc_us-gaap_CommercialPaper_925eecc6-fd05-4ed0-b232-c13e92f79415" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtWeightedAverageInterestRate_1aa7fe8a-5425-441a-9f21-a90b4805901c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortTermDebtWeightedAverageInterestRate"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_ead9fba9-dc74-4cd8-b4c3-21aa24345596" xlink:to="loc_us-gaap_ShortTermDebtWeightedAverageInterestRate_1aa7fe8a-5425-441a-9f21-a90b4805901c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/DebtandCreditAgreementsSummaryofRevolvingCreditAgreementsDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#DebtandCreditAgreementsSummaryofRevolvingCreditAgreementsDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/DebtandCreditAgreementsSummaryofRevolvingCreditAgreementsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_cda03e12-9ec4-451d-9967-6e066768abb2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_8c05cfaa-3230-4578-bac4-0ddbb302aa8b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_cda03e12-9ec4-451d-9967-6e066768abb2" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_8c05cfaa-3230-4578-bac4-0ddbb302aa8b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_68789bec-b9d9-47f2-8843-069ed3401497" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_8c05cfaa-3230-4578-bac4-0ddbb302aa8b" xlink:to="loc_srt_ConsolidationItemsAxis_68789bec-b9d9-47f2-8843-069ed3401497" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_94e76716-4270-49f1-bc33-87c36d122fc2" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_68789bec-b9d9-47f2-8843-069ed3401497" xlink:to="loc_srt_ConsolidationItemsDomain_94e76716-4270-49f1-bc33-87c36d122fc2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_8e7b96e5-a6e0-42f8-8d26-93058819ae9f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CorporateNonSegmentMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_94e76716-4270-49f1-bc33-87c36d122fc2" xlink:to="loc_us-gaap_CorporateNonSegmentMember_8e7b96e5-a6e0-42f8-8d26-93058819ae9f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_8ddf4e5c-e0b6-40e7-aaad-dd20eb41906a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CreditFacilityAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_8c05cfaa-3230-4578-bac4-0ddbb302aa8b" xlink:to="loc_us-gaap_CreditFacilityAxis_8ddf4e5c-e0b6-40e7-aaad-dd20eb41906a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_a3ef750f-a8e1-47b4-ac3b-8f4f6111da53" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CreditFacilityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityAxis_8ddf4e5c-e0b6-40e7-aaad-dd20eb41906a" xlink:to="loc_us-gaap_CreditFacilityDomain_a3ef750f-a8e1-47b4-ac3b-8f4f6111da53" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_8091d726-217f-43bd-b45c-051556091227" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevolvingCreditFacilityMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_a3ef750f-a8e1-47b4-ac3b-8f4f6111da53" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_8091d726-217f-43bd-b45c-051556091227" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LetterOfCreditMember_292d1278-f011-4709-9e52-9f35fa542a45" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LetterOfCreditMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_a3ef750f-a8e1-47b4-ac3b-8f4f6111da53" xlink:to="loc_us-gaap_LetterOfCreditMember_292d1278-f011-4709-9e52-9f35fa542a45" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_eadcefc4-7855-45c3-b9f6-63e3f055ef51" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_8c05cfaa-3230-4578-bac4-0ddbb302aa8b" xlink:to="loc_dei_LegalEntityAxis_eadcefc4-7855-45c3-b9f6-63e3f055ef51" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_cd9ff00f-2312-4858-bc31-fd8f6d7cb835" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_eadcefc4-7855-45c3-b9f6-63e3f055ef51" xlink:to="loc_dei_EntityDomain_cd9ff00f-2312-4858-bc31-fd8f6d7cb835" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_c6f95d97-2243-44a9-8ad1-4ac414342971" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cd9ff00f-2312-4858-bc31-fd8f6d7cb835" xlink:to="loc_exc_CommonwealthEdisonCoMember_c6f95d97-2243-44a9-8ad1-4ac414342971" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_0843f58d-d9f0-45e6-92ef-05e5c2061b44" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cd9ff00f-2312-4858-bc31-fd8f6d7cb835" xlink:to="loc_exc_PecoEnergyCoMember_0843f58d-d9f0-45e6-92ef-05e5c2061b44" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_247ea70f-2826-4901-83a9-6e0747350282" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cd9ff00f-2312-4858-bc31-fd8f6d7cb835" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_247ea70f-2826-4901-83a9-6e0747350282" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_966192ae-effa-4010-9d24-f8f943ac64c6" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cd9ff00f-2312-4858-bc31-fd8f6d7cb835" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_966192ae-effa-4010-9d24-f8f943ac64c6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_1b9b7bfa-83ca-46ac-a222-c2b831e16b48" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cd9ff00f-2312-4858-bc31-fd8f6d7cb835" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_1b9b7bfa-83ca-46ac-a222-c2b831e16b48" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_29d64241-1308-4547-8f6b-3eaa5bf3710b" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cd9ff00f-2312-4858-bc31-fd8f6d7cb835" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_29d64241-1308-4547-8f6b-3eaa5bf3710b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_eabb946e-34e2-43cd-b817-9fa09c8930f9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VariableRateAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_8c05cfaa-3230-4578-bac4-0ddbb302aa8b" xlink:to="loc_us-gaap_VariableRateAxis_eabb946e-34e2-43cd-b817-9fa09c8930f9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_562e628c-55b5-4f5e-a37a-e71989523d53" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VariableRateDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateAxis_eabb946e-34e2-43cd-b817-9fa09c8930f9" xlink:to="loc_us-gaap_VariableRateDomain_562e628c-55b5-4f5e-a37a-e71989523d53" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_0de8350a-1adf-475c-96f6-2efd420380da" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_562e628c-55b5-4f5e-a37a-e71989523d53" xlink:to="loc_us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_0de8350a-1adf-475c-96f6-2efd420380da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_5f8a3d7f-f6d9-4c1f-bef6-137797803ea5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_8c05cfaa-3230-4578-bac4-0ddbb302aa8b" xlink:to="loc_us-gaap_LineOfCreditFacilityLineItems_5f8a3d7f-f6d9-4c1f-bef6-137797803ea5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_120522f2-7588-4d5c-b4b8-682a33d9a51e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_5f8a3d7f-f6d9-4c1f-bef6-137797803ea5" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_120522f2-7588-4d5c-b4b8-682a33d9a51e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_7abdd634-c6a2-48ca-b94f-0cd529d3ecf1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_5f8a3d7f-f6d9-4c1f-bef6-137797803ea5" xlink:to="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_7abdd634-c6a2-48ca-b94f-0cd529d3ecf1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/DebtandCreditAgreementsIssuanceofLongTermDebtDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#DebtandCreditAgreementsIssuanceofLongTermDebtDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/DebtandCreditAgreementsIssuanceofLongTermDebtDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_4dd89d74-23f6-4bb3-a123-2c47d6ef8f89" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_549c703f-7655-4d1e-ac71-5b9ed121f04b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_4dd89d74-23f6-4bb3-a123-2c47d6ef8f89" xlink:to="loc_us-gaap_DebtInstrumentTable_549c703f-7655-4d1e-ac71-5b9ed121f04b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_7a82750b-fc29-4f05-83b5-87877bcb5647" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_549c703f-7655-4d1e-ac71-5b9ed121f04b" xlink:to="loc_dei_LegalEntityAxis_7a82750b-fc29-4f05-83b5-87877bcb5647" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_25ce3217-b38c-4978-9bc2-d2dc8a012f30" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_7a82750b-fc29-4f05-83b5-87877bcb5647" xlink:to="loc_dei_EntityDomain_25ce3217-b38c-4978-9bc2-d2dc8a012f30" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_01b18692-f269-4771-a103-cc92c2b4a024" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_25ce3217-b38c-4978-9bc2-d2dc8a012f30" xlink:to="loc_exc_CommonwealthEdisonCoMember_01b18692-f269-4771-a103-cc92c2b4a024" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_345dfd0f-e12d-48f1-8e14-d604f568a0e0" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_25ce3217-b38c-4978-9bc2-d2dc8a012f30" xlink:to="loc_exc_PecoEnergyCoMember_345dfd0f-e12d-48f1-8e14-d604f568a0e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_24fc03d4-e3a1-45f3-91b7-46b25c5e9435" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_25ce3217-b38c-4978-9bc2-d2dc8a012f30" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_24fc03d4-e3a1-45f3-91b7-46b25c5e9435" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_d333bb16-f4fd-46d4-899c-8a76efbb439c" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_25ce3217-b38c-4978-9bc2-d2dc8a012f30" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_d333bb16-f4fd-46d4-899c-8a76efbb439c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_bd18efbf-50c5-4c88-b062-c7db8b4a0c22" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_25ce3217-b38c-4978-9bc2-d2dc8a012f30" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_bd18efbf-50c5-4c88-b062-c7db8b4a0c22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_3956a46f-6e18-4387-bdaf-b8d6682d2678" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_25ce3217-b38c-4978-9bc2-d2dc8a012f30" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_3956a46f-6e18-4387-bdaf-b8d6682d2678" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_1a06ff10-0b7a-4981-a78d-5296fb5a5672" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_549c703f-7655-4d1e-ac71-5b9ed121f04b" xlink:to="loc_srt_ConsolidationItemsAxis_1a06ff10-0b7a-4981-a78d-5296fb5a5672" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_e576c031-441d-484e-a6c6-e74c611d6273" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_1a06ff10-0b7a-4981-a78d-5296fb5a5672" xlink:to="loc_srt_ConsolidationItemsDomain_e576c031-441d-484e-a6c6-e74c611d6273" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_0db1736d-475e-4d2c-8a72-d49f1800ff52" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CorporateNonSegmentMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_e576c031-441d-484e-a6c6-e74c611d6273" xlink:to="loc_us-gaap_CorporateNonSegmentMember_0db1736d-475e-4d2c-8a72-d49f1800ff52" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_ad8e20c1-4b40-4f65-8791-5692d4fdf196" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_549c703f-7655-4d1e-ac71-5b9ed121f04b" xlink:to="loc_us-gaap_DebtInstrumentAxis_ad8e20c1-4b40-4f65-8791-5692d4fdf196" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_ad8e20c1-4b40-4f65-8791-5692d4fdf196" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SMBCTermLoanJuly2023Member_99642778-f7a6-4892-a4a1-d7f793a348aa" xlink:href="exc-20220930.xsd#exc_SMBCTermLoanJuly2023Member"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_SMBCTermLoanJuly2023Member_99642778-f7a6-4892-a4a1-d7f793a348aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_USBTermLoanJuly2023Member_c02e5b44-34d4-4165-8082-7202b56a1e0c" xlink:href="exc-20220930.xsd#exc_USBTermLoanJuly2023Member"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_USBTermLoanJuly2023Member_c02e5b44-34d4-4165-8082-7202b56a1e0c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PNCTermLoanJuly2023Member_2fdbae15-e8ef-4d12-a45e-102dd039f1ff" xlink:href="exc-20220930.xsd#exc_PNCTermLoanJuly2023Member"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_PNCTermLoanJuly2023Member_2fdbae15-e8ef-4d12-a45e-102dd039f1ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Notes275Mar2027Member_d239f8ea-7df6-4279-acb7-2d80c8ec9adb" xlink:href="exc-20220930.xsd#exc_Notes275Mar2027Member"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_Notes275Mar2027Member_d239f8ea-7df6-4279-acb7-2d80c8ec9adb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Notes335Mar2032Member_a22207ba-0d9f-49bf-b611-8f61606a9258" xlink:href="exc-20220930.xsd#exc_Notes335Mar2032Member"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_Notes335Mar2032Member_a22207ba-0d9f-49bf-b611-8f61606a9258" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Notes410Mar2052Member_39005710-b20a-4f0c-9c12-60a1734f5053" xlink:href="exc-20220930.xsd#exc_Notes410Mar2052Member"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_Notes410Mar2052Member_39005710-b20a-4f0c-9c12-60a1734f5053" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Notes230Dec2025Member_28cad3ce-d823-4142-82d9-07f556d84706" xlink:href="exc-20220930.xsd#exc_Notes230Dec2025Member"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_Notes230Dec2025Member_28cad3ce-d823-4142-82d9-07f556d84706" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FMB315Mar2032Member_3ac1c3b3-704b-4f5d-9709-bafade43b303" xlink:href="exc-20220930.xsd#exc_FMB315Mar2032Member"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_FMB315Mar2032Member_3ac1c3b3-704b-4f5d-9709-bafade43b303" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FMB385Mar2052Member_ac12a5db-4aa9-4451-a936-0f6448fba92a" xlink:href="exc-20220930.xsd#exc_FMB385Mar2052Member"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_FMB385Mar2052Member_ac12a5db-4aa9-4451-a936-0f6448fba92a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FMB350May2052Member_472ddbb0-1602-4649-92b7-4d9aa7befd4c" xlink:href="exc-20220930.xsd#exc_FMB350May2052Member"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_FMB350May2052Member_472ddbb0-1602-4649-92b7-4d9aa7befd4c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FMB425August2052Member_697f76e7-4148-40c5-a82c-5d9d4c1d05fd" xlink:href="exc-20220930.xsd#exc_FMB425August2052Member"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_FMB425August2052Member_697f76e7-4148-40c5-a82c-5d9d4c1d05fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Notes500June2052Member_7a8a2563-02d4-40e7-973c-adf7e5500382" xlink:href="exc-20220930.xsd#exc_Notes500June2052Member"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_Notes500June2052Member_7a8a2563-02d4-40e7-973c-adf7e5500382" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FMB397Mar2052Member_ad96a8c6-544f-48f0-9ea6-5cee4cdd6ad9" xlink:href="exc-20220930.xsd#exc_FMB397Mar2052Member"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_FMB397Mar2052Member_ad96a8c6-544f-48f0-9ea6-5cee4cdd6ad9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FMB225Mar2032Member_b3ee0e2e-edbe-4693-8b73-a98dd644f0dc" xlink:href="exc-20220930.xsd#exc_FMB225Mar2032Member"/>
<link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_FMB225Mar2032Member_b3ee0e2e-edbe-4693-8b73-a98dd644f0dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Bonds105July2020Member_61616101-a588-4e4c-9780-86697a3f179e" xlink:href="exc-20220930.xsd#exc_Bonds105July2020Member"/>
<link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_Bonds105July2020Member_61616101-a588-4e4c-9780-86697a3f179e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FMB230Mar2031Member_807feee7-3fd9-4bfd-8177-878b8afaae0d" xlink:href="exc-20220930.xsd#exc_FMB230Mar2031Member"/>
<link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_FMB230Mar2031Member_807feee7-3fd9-4bfd-8177-878b8afaae0d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FMB324June2050Member_77aa4d97-ad55-46a3-82f8-3b3eba72196a" xlink:href="exc-20220930.xsd#exc_FMB324June2050Member"/>
<link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_FMB324June2050Member_77aa4d97-ad55-46a3-82f8-3b3eba72196a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CorpTermLoanApr2024Member_c47cbb2b-9e01-459c-a795-ff09cdb21ae7" xlink:href="exc-20220930.xsd#exc_CorpTermLoanApr2024Member"/>
<link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_CorpTermLoanApr2024Member_c47cbb2b-9e01-459c-a795-ff09cdb21ae7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FMB335Sept2032Member_765e046b-0cdc-4720-9609-ca4e7c5cb0f3" xlink:href="exc-20220930.xsd#exc_FMB335Sept2032Member"/>
<link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_FMB335Sept2032Member_765e046b-0cdc-4720-9609-ca4e7c5cb0f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FMB335Sep2032Member_336b5048-a828-4c08-b626-807c198cf6d6" xlink:href="exc-20220930.xsd#exc_FMB335Sep2032Member"/>
<link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_FMB335Sep2032Member_336b5048-a828-4c08-b626-807c198cf6d6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DPLFMB306Feb2052Member_772af443-5920-4850-b231-fa0b0cacc83b" xlink:href="exc-20220930.xsd#exc_DPLFMB306Feb2052Member"/>
<link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_DPLFMB306Feb2052Member_772af443-5920-4850-b231-fa0b0cacc83b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FMB227Feb2032Member_16348edd-f37b-474c-8559-8ecf052e0262" xlink:href="exc-20220930.xsd#exc_FMB227Feb2032Member"/>
<link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_FMB227Feb2032Member_16348edd-f37b-474c-8559-8ecf052e0262" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ACEFMB306Feb20502Member_c15137e8-3a37-40af-8f24-ac2fe4c9b9d9" xlink:href="exc-20220930.xsd#exc_ACEFMB306Feb20502Member"/>
<link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be1192db-c10c-46d5-b20d-7a0b572816ac" xlink:to="loc_exc_ACEFMB306Feb20502Member_c15137e8-3a37-40af-8f24-ac2fe4c9b9d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_04c430d3-e076-4d71-ab91-9b2b6eca9372" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_549c703f-7655-4d1e-ac71-5b9ed121f04b" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_04c430d3-e076-4d71-ab91-9b2b6eca9372" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_81f9546b-6788-4d61-8433-bb53736513ae" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_04c430d3-e076-4d71-ab91-9b2b6eca9372" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_81f9546b-6788-4d61-8433-bb53736513ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableToBanksMember_09e553f8-f924-4127-aad5-313125733609" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NotesPayableToBanksMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_81f9546b-6788-4d61-8433-bb53736513ae" xlink:to="loc_us-gaap_NotesPayableToBanksMember_09e553f8-f924-4127-aad5-313125733609" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FirstMortgageBondsMember_ffe75e22-afd3-4559-ba99-fcd6f807a186" xlink:href="exc-20220930.xsd#exc_FirstMortgageBondsMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_81f9546b-6788-4d61-8433-bb53736513ae" xlink:to="loc_exc_FirstMortgageBondsMember_ffe75e22-afd3-4559-ba99-fcd6f807a186" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_2e93bbea-20a2-4ef2-8c76-8816c25f3340" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeAxis"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_549c703f-7655-4d1e-ac71-5b9ed121f04b" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_2e93bbea-20a2-4ef2-8c76-8816c25f3340" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_802df005-c622-471f-a61e-60c271b7afff" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_2e93bbea-20a2-4ef2-8c76-8816c25f3340" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_802df005-c622-471f-a61e-60c271b7afff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_e3e615b7-2152-424a-bc17-9346ae160cb7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_802df005-c622-471f-a61e-60c271b7afff" xlink:to="loc_us-gaap_SubsequentEventMember_e3e615b7-2152-424a-bc17-9346ae160cb7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_be9c403e-5698-4ef0-9c38-21f5a486de5b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentLineItems"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_549c703f-7655-4d1e-ac71-5b9ed121f04b" xlink:to="loc_us-gaap_DebtInstrumentLineItems_be9c403e-5698-4ef0-9c38-21f5a486de5b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_7415af48-5ae4-4a72-86f7-b3deedd70eff" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_be9c403e-5698-4ef0-9c38-21f5a486de5b" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_7415af48-5ae4-4a72-86f7-b3deedd70eff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_34f0bf00-5899-434e-8c16-967a246c7ea2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentFaceAmount"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_be9c403e-5698-4ef0-9c38-21f5a486de5b" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_34f0bf00-5899-434e-8c16-967a246c7ea2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateTerms_5aaf390a-77e9-427e-9db4-228f529a4152" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentInterestRateTerms"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_be9c403e-5698-4ef0-9c38-21f5a486de5b" xlink:to="loc_us-gaap_DebtInstrumentInterestRateTerms_5aaf390a-77e9-427e-9db4-228f529a4152" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/FairValueofFinancialAssetsandLiabilitiesNarrativeDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#FairValueofFinancialAssetsandLiabilitiesNarrativeDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/FairValueofFinancialAssetsandLiabilitiesNarrativeDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_eafad027-fec1-485f-b670-288cbbacd949" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueDisclosuresAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_fd0ef84e-62f1-431f-b150-1c9b8f6c3f0f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_eafad027-fec1-485f-b670-288cbbacd949" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_fd0ef84e-62f1-431f-b150-1c9b8f6c3f0f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_fc3f243e-007e-45a6-b9f4-d46effa4dbb9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByAssetClassAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_fd0ef84e-62f1-431f-b150-1c9b8f6c3f0f" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_fc3f243e-007e-45a6-b9f4-d46effa4dbb9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_d57b80e4-1164-46b5-a9b4-8c2314595b25" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_fc3f243e-007e-45a6-b9f4-d46effa4dbb9" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_d57b80e4-1164-46b5-a9b4-8c2314595b25" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FixedIncomeSecuritiesMember_45991886-6f8d-4223-bc32-d1d87725df82" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FixedIncomeSecuritiesMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_d57b80e4-1164-46b5-a9b4-8c2314595b25" xlink:to="loc_us-gaap_FixedIncomeSecuritiesMember_45991886-6f8d-4223-bc32-d1d87725df82" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_MiddlemarketlendingMember_6a215bf8-f33f-41f3-ab30-449ae2007cb9" xlink:href="exc-20220930.xsd#exc_MiddlemarketlendingMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_d57b80e4-1164-46b5-a9b4-8c2314595b25" xlink:to="loc_exc_MiddlemarketlendingMember_6a215bf8-f33f-41f3-ab30-449ae2007cb9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrivateEquityFundsMember_450c8772-6851-4535-be88-3dfe2d6b3a13" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PrivateEquityFundsMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_d57b80e4-1164-46b5-a9b4-8c2314595b25" xlink:to="loc_us-gaap_PrivateEquityFundsMember_450c8772-6851-4535-be88-3dfe2d6b3a13" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateFundsMember_975a8e02-1d94-4ab1-b34a-c6beb2f4b3ee" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RealEstateFundsMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_d57b80e4-1164-46b5-a9b4-8c2314595b25" xlink:to="loc_us-gaap_RealEstateFundsMember_975a8e02-1d94-4ab1-b34a-c6beb2f4b3ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_ff061da5-4a60-4540-9b7e-8fbc7dfc70aa" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_fd0ef84e-62f1-431f-b150-1c9b8f6c3f0f" xlink:to="loc_dei_LegalEntityAxis_ff061da5-4a60-4540-9b7e-8fbc7dfc70aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_931b098b-db96-4d9d-b344-e9a3bebe0dd7" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_ff061da5-4a60-4540-9b7e-8fbc7dfc70aa" xlink:to="loc_dei_EntityDomain_931b098b-db96-4d9d-b344-e9a3bebe0dd7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_0ae06aa2-f380-4730-b410-562598e145d7" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_931b098b-db96-4d9d-b344-e9a3bebe0dd7" xlink:to="loc_exc_ExelonGenerationCoLLCMember_0ae06aa2-f380-4730-b410-562598e145d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_59ad0b59-9a55-42b1-b3f6-22bccfd1b669" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_fd0ef84e-62f1-431f-b150-1c9b8f6c3f0f" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_59ad0b59-9a55-42b1-b3f6-22bccfd1b669" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments_49e61f0a-34d9-4ace-aff0-88d2728336ed" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_59ad0b59-9a55-42b1-b3f6-22bccfd1b669" xlink:to="loc_us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments_49e61f0a-34d9-4ace-aff0-88d2728336ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_523679fa-b6e8-43b0-8693-f0ffde221426" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_59ad0b59-9a55-42b1-b3f6-22bccfd1b669" xlink:to="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_523679fa-b6e8-43b0-8693-f0ffde221426" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/FairValueofFinancialAssetsandLiabilitiesFairValueofFinancialLiabilitiesRecordedatAmortizedCostDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#FairValueofFinancialAssetsandLiabilitiesFairValueofFinancialLiabilitiesRecordedatAmortizedCostDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/FairValueofFinancialAssetsandLiabilitiesFairValueofFinancialLiabilitiesRecordedatAmortizedCostDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_5ca7b46b-c375-4f4b-b959-3371801502a9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueDisclosuresAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_dee36be6-7a8d-4bea-80a9-c092c4f4b866" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_5ca7b46b-c375-4f4b-b959-3371801502a9" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_dee36be6-7a8d-4bea-80a9-c092c4f4b866" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_bd402931-cf92-4a0a-bb67-5db65bca4b2e" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_dee36be6-7a8d-4bea-80a9-c092c4f4b866" xlink:to="loc_dei_LegalEntityAxis_bd402931-cf92-4a0a-bb67-5db65bca4b2e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_faa8e2ed-4474-4389-852a-78937430dd43" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_bd402931-cf92-4a0a-bb67-5db65bca4b2e" xlink:to="loc_dei_EntityDomain_faa8e2ed-4474-4389-852a-78937430dd43" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_fb9d0988-3fed-46d8-ad9e-757279c58976" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_faa8e2ed-4474-4389-852a-78937430dd43" xlink:to="loc_exc_ExelonGenerationCoLLCMember_fb9d0988-3fed-46d8-ad9e-757279c58976" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_b00db5ed-d604-4774-8eb4-f8e7c1b65574" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_faa8e2ed-4474-4389-852a-78937430dd43" xlink:to="loc_exc_CommonwealthEdisonCoMember_b00db5ed-d604-4774-8eb4-f8e7c1b65574" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_6af077d8-4b4c-4fea-b37f-ba3909440240" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_faa8e2ed-4474-4389-852a-78937430dd43" xlink:to="loc_exc_PecoEnergyCoMember_6af077d8-4b4c-4fea-b37f-ba3909440240" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_78088072-064b-4570-84b6-1dbabd05ef1e" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_faa8e2ed-4474-4389-852a-78937430dd43" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_78088072-064b-4570-84b6-1dbabd05ef1e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_f97f6288-94a9-4193-98a0-242e1099adba" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_faa8e2ed-4474-4389-852a-78937430dd43" xlink:to="loc_exc_PepcoHoldingsLLCMember_f97f6288-94a9-4193-98a0-242e1099adba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_7139d00e-e114-4736-80d6-2e60c1255042" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_faa8e2ed-4474-4389-852a-78937430dd43" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_7139d00e-e114-4736-80d6-2e60c1255042" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_54f9bddb-61e2-4d81-bd6e-47f6093df2ed" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_faa8e2ed-4474-4389-852a-78937430dd43" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_54f9bddb-61e2-4d81-bd6e-47f6093df2ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_732fb339-85d6-4318-b6fc-4ed10220fbc0" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_faa8e2ed-4474-4389-852a-78937430dd43" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_732fb339-85d6-4318-b6fc-4ed10220fbc0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_ad68c497-8cd3-408f-84c2-1f40ef796c3f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_dee36be6-7a8d-4bea-80a9-c092c4f4b866" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_ad68c497-8cd3-408f-84c2-1f40ef796c3f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_4c7e61b9-dad1-4254-9305-0bb60ebd99c8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_ad68c497-8cd3-408f-84c2-1f40ef796c3f" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_4c7e61b9-dad1-4254-9305-0bb60ebd99c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_a264b5fc-38f2-4583-8f8a-fbb7fa6f02a8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_4c7e61b9-dad1-4254-9305-0bb60ebd99c8" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_a264b5fc-38f2-4583-8f8a-fbb7fa6f02a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_61a81a36-98e1-42f4-9174-e39c33576ab1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_4c7e61b9-dad1-4254-9305-0bb60ebd99c8" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_61a81a36-98e1-42f4-9174-e39c33576ab1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_149ed459-2706-4f96-95d0-09f0a8d2ace5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_4c7e61b9-dad1-4254-9305-0bb60ebd99c8" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_149ed459-2706-4f96-95d0-09f0a8d2ace5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_3143607d-ad40-48bb-ad92-4c8a090b3853" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_dee36be6-7a8d-4bea-80a9-c092c4f4b866" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_3143607d-ad40-48bb-ad92-4c8a090b3853" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2a813e03-3417-461d-8545-6deec2dcedef" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_3143607d-ad40-48bb-ad92-4c8a090b3853" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2a813e03-3417-461d-8545-6deec2dcedef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_df0962d1-9b31-4fc0-baae-529f2fea3e8b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel1Member"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2a813e03-3417-461d-8545-6deec2dcedef" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_df0962d1-9b31-4fc0-baae-529f2fea3e8b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_8eb87f03-4c61-422e-98ce-586c5198d1b7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel2Member"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2a813e03-3417-461d-8545-6deec2dcedef" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_8eb87f03-4c61-422e-98ce-586c5198d1b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_9d75c284-2f75-40cb-93ba-b52d7ed6dd1f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel3Member"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2a813e03-3417-461d-8545-6deec2dcedef" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_9d75c284-2f75-40cb-93ba-b52d7ed6dd1f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_093a4bd5-cf3d-4479-b383-4d98d0384cb9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_dee36be6-7a8d-4bea-80a9-c092c4f4b866" xlink:to="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_093a4bd5-cf3d-4479-b383-4d98d0384cb9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_47e2d0f5-6bec-4ae4-a68e-32794ce71d4b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_093a4bd5-cf3d-4479-b383-4d98d0384cb9" xlink:to="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_47e2d0f5-6bec-4ae4-a68e-32794ce71d4b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFairValue_e80db9e7-12c2-4534-8a27-337c12cdc454" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentFairValue"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_47e2d0f5-6bec-4ae4-a68e-32794ce71d4b" xlink:to="loc_us-gaap_DebtInstrumentFairValue_e80db9e7-12c2-4534-8a27-337c12cdc454" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueToAffiliateNoncurrent_ffb92521-5a18-4207-8226-2b5cf1a4354b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DueToAffiliateNoncurrent"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_47e2d0f5-6bec-4ae4-a68e-32794ce71d4b" xlink:to="loc_us-gaap_DueToAffiliateNoncurrent_ffb92521-5a18-4207-8226-2b5cf1a4354b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/FairValueofFinancialAssetsandLiabilitiesFairValueMeasurementsofAssetsandLiabilitiesRecurringandNonrecurringDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#FairValueofFinancialAssetsandLiabilitiesFairValueMeasurementsofAssetsandLiabilitiesRecurringandNonrecurringDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/FairValueofFinancialAssetsandLiabilitiesFairValueMeasurementsofAssetsandLiabilitiesRecurringandNonrecurringDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_ad21cf78-b431-4d8d-aa28-e33da8f47094" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueDisclosuresAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_3f6b5c10-598a-4208-9eed-ebacc7918214" xlink:href="exc-20220930.xsd#exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_ad21cf78-b431-4d8d-aa28-e33da8f47094" xlink:to="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_3f6b5c10-598a-4208-9eed-ebacc7918214" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis_244a076b-a4ea-4bbc-86ed-2c7b5886dd42" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_3f6b5c10-598a-4208-9eed-ebacc7918214" xlink:to="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis_244a076b-a4ea-4bbc-86ed-2c7b5886dd42" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain_b29e3bf5-c2d7-4d95-b201-2b65a68bbac8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis_244a076b-a4ea-4bbc-86ed-2c7b5886dd42" xlink:to="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain_b29e3bf5-c2d7-4d95-b201-2b65a68bbac8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MaturityUpTo30DaysMember_2495c6ee-d8b6-48e4-91dc-a0cbd224e560" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MaturityUpTo30DaysMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain_b29e3bf5-c2d7-4d95-b201-2b65a68bbac8" xlink:to="loc_us-gaap_MaturityUpTo30DaysMember_2495c6ee-d8b6-48e4-91dc-a0cbd224e560" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_9ba1d146-6149-4886-8187-8c704893d398" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_3f6b5c10-598a-4208-9eed-ebacc7918214" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_9ba1d146-6149-4886-8187-8c704893d398" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_8749f12f-9601-4366-840d-3950003d7fb3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_9ba1d146-6149-4886-8187-8c704893d398" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_8749f12f-9601-4366-840d-3950003d7fb3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_b0a1ea7b-d66e-45ad-8b9b-7841372b80ef" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_3f6b5c10-598a-4208-9eed-ebacc7918214" xlink:to="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_b0a1ea7b-d66e-45ad-8b9b-7841372b80ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfAdoptionMember_99dcbb9c-ecb4-4dd5-a320-3669c728472a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TypeOfAdoptionMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_b0a1ea7b-d66e-45ad-8b9b-7841372b80ef" xlink:to="loc_us-gaap_TypeOfAdoptionMember_99dcbb9c-ecb4-4dd5-a320-3669c728472a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingStandardsUpdate201601Member_97c138f1-c5fb-4a6a-9c30-8b010d076cc1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountingStandardsUpdate201601Member"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TypeOfAdoptionMember_99dcbb9c-ecb4-4dd5-a320-3669c728472a" xlink:to="loc_us-gaap_AccountingStandardsUpdate201601Member_97c138f1-c5fb-4a6a-9c30-8b010d076cc1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_d1ebc4e9-f580-4813-b4b5-e6bcf4e8b72d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementEquityComponentsAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_3f6b5c10-598a-4208-9eed-ebacc7918214" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_d1ebc4e9-f580-4813-b4b5-e6bcf4e8b72d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_cf05706f-ff9e-48aa-b33a-13fa81631c20" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_d1ebc4e9-f580-4813-b4b5-e6bcf4e8b72d" xlink:to="loc_us-gaap_EquityComponentDomain_cf05706f-ff9e-48aa-b33a-13fa81631c20" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_4c277cda-ac77-44d8-b3d5-02b449e5d0ce" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_cf05706f-ff9e-48aa-b33a-13fa81631c20" xlink:to="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_4c277cda-ac77-44d8-b3d5-02b449e5d0ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_3fd66362-a023-4357-8998-aec8c63fe05c" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_3f6b5c10-598a-4208-9eed-ebacc7918214" xlink:to="loc_dei_LegalEntityAxis_3fd66362-a023-4357-8998-aec8c63fe05c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_144d2cf1-a214-461b-8914-77533aacaab0" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_3fd66362-a023-4357-8998-aec8c63fe05c" xlink:to="loc_dei_EntityDomain_144d2cf1-a214-461b-8914-77533aacaab0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_930f727c-243e-482e-a132-c94d1268f052" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_144d2cf1-a214-461b-8914-77533aacaab0" xlink:to="loc_exc_ExelonGenerationCoLLCMember_930f727c-243e-482e-a132-c94d1268f052" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_GenerationTotalConsolidatedGroupMember_c43e46fd-9e3a-4192-bae2-d320d7b0a216" xlink:href="exc-20220930.xsd#exc_GenerationTotalConsolidatedGroupMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_144d2cf1-a214-461b-8914-77533aacaab0" xlink:to="loc_exc_GenerationTotalConsolidatedGroupMember_c43e46fd-9e3a-4192-bae2-d320d7b0a216" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_aae70305-5cdf-4e94-88b3-76160fa9e3d3" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_144d2cf1-a214-461b-8914-77533aacaab0" xlink:to="loc_exc_CommonwealthEdisonCoMember_aae70305-5cdf-4e94-88b3-76160fa9e3d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_66bc5107-c7f1-4154-8f53-0d1b32e5e88a" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_144d2cf1-a214-461b-8914-77533aacaab0" xlink:to="loc_exc_PecoEnergyCoMember_66bc5107-c7f1-4154-8f53-0d1b32e5e88a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_b39cd2c3-1a8e-4670-9fb7-818576ed0783" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_144d2cf1-a214-461b-8914-77533aacaab0" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_b39cd2c3-1a8e-4670-9fb7-818576ed0783" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_6cc3d1f4-7490-4055-91a6-948cef04ceee" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_144d2cf1-a214-461b-8914-77533aacaab0" xlink:to="loc_exc_PepcoHoldingsLLCMember_6cc3d1f4-7490-4055-91a6-948cef04ceee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_c0085823-e797-4c0c-81d1-29baca4def63" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_144d2cf1-a214-461b-8914-77533aacaab0" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_c0085823-e797-4c0c-81d1-29baca4def63" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_0bf0143d-315d-4bee-8526-468eb3cd50cd" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_144d2cf1-a214-461b-8914-77533aacaab0" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_0bf0143d-315d-4bee-8526-468eb3cd50cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_6d89f86c-ae30-4cee-b2a7-369d875f2d5d" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_144d2cf1-a214-461b-8914-77533aacaab0" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_6d89f86c-ae30-4cee-b2a7-369d875f2d5d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLlcAffiliateMember_e96be357-597f-45db-af41-8b04006f930a" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLlcAffiliateMember"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_144d2cf1-a214-461b-8914-77533aacaab0" xlink:to="loc_exc_ExelonGenerationCoLlcAffiliateMember_e96be357-597f-45db-af41-8b04006f930a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_625e376e-3f65-4f9c-ac28-caea6b952f83" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_3f6b5c10-598a-4208-9eed-ebacc7918214" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_625e376e-3f65-4f9c-ac28-caea6b952f83" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2c0444c7-322f-45a9-afb6-3ad92309d948" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_625e376e-3f65-4f9c-ac28-caea6b952f83" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2c0444c7-322f-45a9-afb6-3ad92309d948" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_2e46d98e-312b-4a1b-8756-1e55268b1bff" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel1Member"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2c0444c7-322f-45a9-afb6-3ad92309d948" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_2e46d98e-312b-4a1b-8756-1e55268b1bff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_b89bbe2f-f2a1-4d6f-b074-5f09ad1853af" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel2Member"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2c0444c7-322f-45a9-afb6-3ad92309d948" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_b89bbe2f-f2a1-4d6f-b074-5f09ad1853af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_00e730ea-6eed-437d-8139-2615a8faa7ed" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel3Member"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2c0444c7-322f-45a9-afb6-3ad92309d948" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_00e730ea-6eed-437d-8139-2615a8faa7ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember_781b5083-6f84-48b5-bae1-d2b39c3e62d0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2c0444c7-322f-45a9-afb6-3ad92309d948" xlink:to="loc_us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember_781b5083-6f84-48b5-bae1-d2b39c3e62d0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_2633a0cd-2a75-403c-a8da-b57d452892c3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_3f6b5c10-598a-4208-9eed-ebacc7918214" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_2633a0cd-2a75-403c-a8da-b57d452892c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_b2c5c0bd-5b5f-46b0-965f-699428969a12" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_2633a0cd-2a75-403c-a8da-b57d452892c3" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_b2c5c0bd-5b5f-46b0-965f-699428969a12" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_07d09720-3624-476b-b9ee-dea0135517fa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_b2c5c0bd-5b5f-46b0-965f-699428969a12" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_07d09720-3624-476b-b9ee-dea0135517fa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_a2d1c6d7-65a3-45d7-9acf-e12ec7499112" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByAssetClassAxis"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_3f6b5c10-598a-4208-9eed-ebacc7918214" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_a2d1c6d7-65a3-45d7-9acf-e12ec7499112" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_b8e177b8-e697-4c72-a33c-72d120ad9722" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_a2d1c6d7-65a3-45d7-9acf-e12ec7499112" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_b8e177b8-e697-4c72-a33c-72d120ad9722" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherMember_8a59518c-54d5-43f6-b532-1c2baf0d3fa8" xlink:href="exc-20220930.xsd#exc_OtherMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_b8e177b8-e697-4c72-a33c-72d120ad9722" xlink:to="loc_exc_OtherMember_8a59518c-54d5-43f6-b532-1c2baf0d3fa8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_NuclearDecommissioningTrustFundInvestmentsMember_d80eaa55-9b4e-4a55-b479-5da8df506d5c" xlink:href="exc-20220930.xsd#exc_NuclearDecommissioningTrustFundInvestmentsMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_b8e177b8-e697-4c72-a33c-72d120ad9722" xlink:to="loc_exc_NuclearDecommissioningTrustFundInvestmentsMember_d80eaa55-9b4e-4a55-b479-5da8df506d5c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CashEquivalentsNDTMember_a2775720-f4ad-4090-8994-aad5ff3fa040" xlink:href="exc-20220930.xsd#exc_CashEquivalentsNDTMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_NuclearDecommissioningTrustFundInvestmentsMember_d80eaa55-9b4e-4a55-b479-5da8df506d5c" xlink:to="loc_exc_CashEquivalentsNDTMember_a2775720-f4ad-4090-8994-aad5ff3fa040" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EquitySecuritiesNuclearDecommissioningTrustFundMember_fde83367-7bb5-45ab-aaf9-f6dc77ab1bde" xlink:href="exc-20220930.xsd#exc_EquitySecuritiesNuclearDecommissioningTrustFundMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_NuclearDecommissioningTrustFundInvestmentsMember_d80eaa55-9b4e-4a55-b479-5da8df506d5c" xlink:to="loc_exc_EquitySecuritiesNuclearDecommissioningTrustFundMember_fde83367-7bb5-45ab-aaf9-f6dc77ab1bde" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FixedIncomeSecuritiesMember_e6f092ac-2e69-4578-99cb-e3e3234aa23a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FixedIncomeSecuritiesMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_NuclearDecommissioningTrustFundInvestmentsMember_d80eaa55-9b4e-4a55-b479-5da8df506d5c" xlink:to="loc_us-gaap_FixedIncomeSecuritiesMember_e6f092ac-2e69-4578-99cb-e3e3234aa23a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_22e4bb6d-5e97-4637-85ae-2fdcf3091f22" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FixedIncomeSecuritiesMember_e6f092ac-2e69-4578-99cb-e3e3234aa23a" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_22e4bb6d-5e97-4637-85ae-2fdcf3091f22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_USTreasuryAndGovernmentMember_57b452ed-fe39-4b43-82ae-c33c42cc4897" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_USTreasuryAndGovernmentMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FixedIncomeSecuritiesMember_e6f092ac-2e69-4578-99cb-e3e3234aa23a" xlink:to="loc_us-gaap_USTreasuryAndGovernmentMember_57b452ed-fe39-4b43-82ae-c33c42cc4897" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_b6b85e45-f372-4614-9c4a-94cf090475e5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FixedIncomeSecuritiesMember_e6f092ac-2e69-4578-99cb-e3e3234aa23a" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_b6b85e45-f372-4614-9c4a-94cf090475e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_5ee512eb-c146-44b7-805c-8ccb567d0676" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_USStatesAndPoliticalSubdivisionsMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FixedIncomeSecuritiesMember_e6f092ac-2e69-4578-99cb-e3e3234aa23a" xlink:to="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_5ee512eb-c146-44b7-805c-8ccb567d0676" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherFixedIncomeMember_8a78e6b4-9ee5-466d-b43e-7f938265dc71" xlink:href="exc-20220930.xsd#exc_OtherFixedIncomeMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FixedIncomeSecuritiesMember_e6f092ac-2e69-4578-99cb-e3e3234aa23a" xlink:to="loc_exc_OtherFixedIncomeMember_8a78e6b4-9ee5-466d-b43e-7f938265dc71" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_MiddlemarketlendingMember_cf982e5b-945a-4e62-b99c-77f663189cfd" xlink:href="exc-20220930.xsd#exc_MiddlemarketlendingMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_NuclearDecommissioningTrustFundInvestmentsMember_d80eaa55-9b4e-4a55-b479-5da8df506d5c" xlink:to="loc_exc_MiddlemarketlendingMember_cf982e5b-945a-4e62-b99c-77f663189cfd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrivateEquityFundsMember_6b5dd00e-a8c3-408d-a00c-d15cb28c4ddb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PrivateEquityFundsMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_NuclearDecommissioningTrustFundInvestmentsMember_d80eaa55-9b4e-4a55-b479-5da8df506d5c" xlink:to="loc_us-gaap_PrivateEquityFundsMember_6b5dd00e-a8c3-408d-a00c-d15cb28c4ddb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateFundsMember_156b624e-14bf-4a54-ae4e-25e8c45b2751" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RealEstateFundsMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_NuclearDecommissioningTrustFundInvestmentsMember_d80eaa55-9b4e-4a55-b479-5da8df506d5c" xlink:to="loc_us-gaap_RealEstateFundsMember_156b624e-14bf-4a54-ae4e-25e8c45b2751" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RabbiTrustInvestmentsMember_8fa28947-3077-4e59-bdff-76205bbf14b7" xlink:href="exc-20220930.xsd#exc_RabbiTrustInvestmentsMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_b8e177b8-e697-4c72-a33c-72d120ad9722" xlink:to="loc_exc_RabbiTrustInvestmentsMember_8fa28947-3077-4e59-bdff-76205bbf14b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashEquivalentsMember_01ae558a-45c4-4106-b425-bd2ed7a2cc1b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashEquivalentsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RabbiTrustInvestmentsMember_8fa28947-3077-4e59-bdff-76205bbf14b7" xlink:to="loc_us-gaap_CashEquivalentsMember_01ae558a-45c4-4106-b425-bd2ed7a2cc1b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MutualFundMember_676bec62-f939-49db-9053-49a23b784d36" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MutualFundMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RabbiTrustInvestmentsMember_8fa28947-3077-4e59-bdff-76205bbf14b7" xlink:to="loc_us-gaap_MutualFundMember_676bec62-f939-49db-9053-49a23b784d36" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FixedIncomeInvestmentsMember_1f810f21-e0ed-43fc-823d-0b12c6141141" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FixedIncomeInvestmentsMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RabbiTrustInvestmentsMember_8fa28947-3077-4e59-bdff-76205bbf14b7" xlink:to="loc_us-gaap_FixedIncomeInvestmentsMember_1f810f21-e0ed-43fc-823d-0b12c6141141" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_sic_Z6311_fc3111e4-5755-4ae0-ab23-5d65dfdb992a" xlink:href="https://xbrl.sec.gov/sic/2022/sic-2022.xsd#sic_Z6311"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RabbiTrustInvestmentsMember_8fa28947-3077-4e59-bdff-76205bbf14b7" xlink:to="loc_sic_Z6311_fc3111e4-5755-4ae0-ab23-5d65dfdb992a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesMember_a1200f0d-c21c-4447-9361-566af1e762e8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquitySecuritiesMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_b8e177b8-e697-4c72-a33c-72d120ad9722" xlink:to="loc_us-gaap_EquitySecuritiesMember_a1200f0d-c21c-4447-9361-566af1e762e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFinancialInstrumentsAssetsMember_d660fe8a-e297-4715-b4a4-a62d10f1c21f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeFinancialInstrumentsAssetsMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_b8e177b8-e697-4c72-a33c-72d120ad9722" xlink:to="loc_us-gaap_DerivativeFinancialInstrumentsAssetsMember_d660fe8a-e297-4715-b4a4-a62d10f1c21f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_c28a7846-2743-40f3-b098-8ab2717c06b0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeFinancialInstrumentsAssetsMember_d660fe8a-e297-4715-b4a4-a62d10f1c21f" xlink:to="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_c28a7846-2743-40f3-b098-8ab2717c06b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ProprietaryTradingMember_38de6b57-0aed-460a-8aba-69ddd2b6343e" xlink:href="exc-20220930.xsd#exc_ProprietaryTradingMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeFinancialInstrumentsAssetsMember_d660fe8a-e297-4715-b4a4-a62d10f1c21f" xlink:to="loc_exc_ProprietaryTradingMember_38de6b57-0aed-460a-8aba-69ddd2b6343e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EffectsofNettingandAllocationofCollateralMember_6cf68e17-ccf0-42ee-9e42-faa3324ce5fb" xlink:href="exc-20220930.xsd#exc_EffectsofNettingandAllocationofCollateralMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeFinancialInstrumentsAssetsMember_d660fe8a-e297-4715-b4a4-a62d10f1c21f" xlink:to="loc_exc_EffectsofNettingandAllocationofCollateralMember_6cf68e17-ccf0-42ee-9e42-faa3324ce5fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EconomicHedgingInstrumentMember_b5b109ea-795e-493c-9647-b214ce8bba47" xlink:href="exc-20220930.xsd#exc_EconomicHedgingInstrumentMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeFinancialInstrumentsAssetsMember_d660fe8a-e297-4715-b4a4-a62d10f1c21f" xlink:to="loc_exc_EconomicHedgingInstrumentMember_b5b109ea-795e-493c-9647-b214ce8bba47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_InterestRateandForeignCurrencyDerivativeAssetsMember_ad66d359-81f7-418e-89fe-2b4f7751bf59" xlink:href="exc-20220930.xsd#exc_InterestRateandForeignCurrencyDerivativeAssetsMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_b8e177b8-e697-4c72-a33c-72d120ad9722" xlink:to="loc_exc_InterestRateandForeignCurrencyDerivativeAssetsMember_ad66d359-81f7-418e-89fe-2b4f7751bf59" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_55ee9b85-7ab3-424a-bcf6-a25d46511d73" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_InterestRateandForeignCurrencyDerivativeAssetsMember_ad66d359-81f7-418e-89fe-2b4f7751bf59" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_55ee9b85-7ab3-424a-bcf6-a25d46511d73" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EconomichedgeInterestandCurrencyMember_e8ef435d-69a0-4252-9123-666797b1e130" xlink:href="exc-20220930.xsd#exc_EconomichedgeInterestandCurrencyMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_InterestRateandForeignCurrencyDerivativeAssetsMember_ad66d359-81f7-418e-89fe-2b4f7751bf59" xlink:to="loc_exc_EconomichedgeInterestandCurrencyMember_e8ef435d-69a0-4252-9123-666797b1e130" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EffectsofNettingandAllocationofCollateral1Member_f5017897-0ce6-4027-8b32-847edbbd1196" xlink:href="exc-20220930.xsd#exc_EffectsofNettingandAllocationofCollateral1Member"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_InterestRateandForeignCurrencyDerivativeAssetsMember_ad66d359-81f7-418e-89fe-2b4f7751bf59" xlink:to="loc_exc_EffectsofNettingandAllocationofCollateral1Member_f5017897-0ce6-4027-8b32-847edbbd1196" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_06a1dc16-a76c-4e8c-95de-02d4df17e013" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BalanceSheetLocationAxis"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_3f6b5c10-598a-4208-9eed-ebacc7918214" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_06a1dc16-a76c-4e8c-95de-02d4df17e013" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_0a4b31c1-194c-4cda-a629-4d722c0afaab" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BalanceSheetLocationDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_06a1dc16-a76c-4e8c-95de-02d4df17e013" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_0a4b31c1-194c-4cda-a629-4d722c0afaab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsMember_5d20682b-40f6-4c29-901f-391c418f3de4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_0a4b31c1-194c-4cda-a629-4d722c0afaab" xlink:to="loc_us-gaap_CashAndCashEquivalentsMember_5d20682b-40f6-4c29-901f-391c418f3de4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RestrictedcashMember_af84d766-671a-4f1d-b6c8-28e41b31f0b4" xlink:href="exc-20220930.xsd#exc_RestrictedcashMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_0a4b31c1-194c-4cda-a629-4d722c0afaab" xlink:to="loc_exc_RestrictedcashMember_af84d766-671a-4f1d-b6c8-28e41b31f0b4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsMember_e9c76dff-582e-4743-a743-59662b22d1dd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAssetsMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_0a4b31c1-194c-4cda-a629-4d722c0afaab" xlink:to="loc_us-gaap_OtherAssetsMember_e9c76dff-582e-4743-a743-59662b22d1dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByLiabilityClassAxis_02cf6cd6-4fec-4040-8251-7ae600bd11cf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByLiabilityClassAxis"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_3f6b5c10-598a-4208-9eed-ebacc7918214" xlink:to="loc_us-gaap_FairValueByLiabilityClassAxis_02cf6cd6-4fec-4040-8251-7ae600bd11cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_ff0ee638-dee2-4daf-a9b6-f35c15077d0c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_02cf6cd6-4fec-4040-8251-7ae600bd11cf" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_ff0ee638-dee2-4daf-a9b6-f35c15077d0c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommodityDerivativeLiabilitesMember_615ad987-1410-425a-842f-c30e56597af6" xlink:href="exc-20220930.xsd#exc_CommodityDerivativeLiabilitesMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_ff0ee638-dee2-4daf-a9b6-f35c15077d0c" xlink:to="loc_exc_CommodityDerivativeLiabilitesMember_615ad987-1410-425a-842f-c30e56597af6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EconomicHedgingInstrumentLiabilitesMember_873992f9-0b7f-42fd-a00c-d92ad9198f1c" xlink:href="exc-20220930.xsd#exc_EconomicHedgingInstrumentLiabilitesMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommodityDerivativeLiabilitesMember_615ad987-1410-425a-842f-c30e56597af6" xlink:to="loc_exc_EconomicHedgingInstrumentLiabilitesMember_873992f9-0b7f-42fd-a00c-d92ad9198f1c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ProprietaryTradingLiabilitiesMember_347e930d-ce66-460f-bdd0-d26c58b54f5d" xlink:href="exc-20220930.xsd#exc_ProprietaryTradingLiabilitiesMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommodityDerivativeLiabilitesMember_615ad987-1410-425a-842f-c30e56597af6" xlink:to="loc_exc_ProprietaryTradingLiabilitiesMember_347e930d-ce66-460f-bdd0-d26c58b54f5d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EffectsofNettingandAllocationofCollateralLiabilitesMember_507919e3-280e-418e-96fd-d64259ff8217" xlink:href="exc-20220930.xsd#exc_EffectsofNettingandAllocationofCollateralLiabilitesMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommodityDerivativeLiabilitesMember_615ad987-1410-425a-842f-c30e56597af6" xlink:to="loc_exc_EffectsofNettingandAllocationofCollateralLiabilitesMember_507919e3-280e-418e-96fd-d64259ff8217" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_InvestmentsInEquityAxis_4691d8e7-ee90-47b2-a27b-4b80e47ea06d" xlink:href="exc-20220930.xsd#exc_InvestmentsInEquityAxis"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_3f6b5c10-598a-4208-9eed-ebacc7918214" xlink:to="loc_exc_InvestmentsInEquityAxis_4691d8e7-ee90-47b2-a27b-4b80e47ea06d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_InvestmentsInEquityDomain_2087a7cb-f679-43d6-8e65-b78d95399143" xlink:href="exc-20220930.xsd#exc_InvestmentsInEquityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_InvestmentsInEquityAxis_4691d8e7-ee90-47b2-a27b-4b80e47ea06d" xlink:to="loc_exc_InvestmentsInEquityDomain_2087a7cb-f679-43d6-8e65-b78d95399143" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_InvestmentsInEquityMember_84390797-3109-4075-86ec-f916b6eb0994" xlink:href="exc-20220930.xsd#exc_InvestmentsInEquityMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_InvestmentsInEquityDomain_2087a7cb-f679-43d6-8e65-b78d95399143" xlink:to="loc_exc_InvestmentsInEquityMember_84390797-3109-4075-86ec-f916b6eb0994" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems_28df4d8e-28e4-47af-8ea2-a104134236ad" xlink:href="exc-20220930.xsd#exc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_3f6b5c10-598a-4208-9eed-ebacc7918214" xlink:to="loc_exc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems_28df4d8e-28e4-47af-8ea2-a104134236ad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems_28df4d8e-28e4-47af-8ea2-a104134236ad" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_0d6d28c9-7248-45b2-92c2-07d24b5a6b5a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_0d6d28c9-7248-45b2-92c2-07d24b5a6b5a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_1a3e0a70-bdab-40e8-a1dc-569d8c0d9131" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InvestmentsFairValueDisclosure"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_us-gaap_InvestmentsFairValueDisclosure_1a3e0a70-bdab-40e8-a1dc-569d8c0d9131" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_139ac5a8-be91-4db8-9a8b-235f63b97408" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeAssets"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_us-gaap_DerivativeAssets_139ac5a8-be91-4db8-9a8b-235f63b97408" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedInterestFairValueDisclosure_67311d82-2b96-40e6-84af-2efe98a0edd2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedInterestFairValueDisclosure"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_us-gaap_RetainedInterestFairValueDisclosure_67311d82-2b96-40e6-84af-2efe98a0edd2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_79a5022c-93ab-4787-97b2-3d6073618240" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsFairValueDisclosure"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_79a5022c-93ab-4787-97b2-3d6073618240" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_27a8bfc5-1cee-4723-9586-dec1ea9bf8c4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeLiabilities"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_us-gaap_DerivativeLiabilities_27a8bfc5-1cee-4723-9586-dec1ea9bf8c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_85d485a9-0ed8-4271-8da5-546be7089545" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_85d485a9-0ed8-4271-8da5-546be7089545" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialLiabilitiesFairValueDisclosure_281aa0ce-5434-4f9c-af9e-0a501075a815" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinancialLiabilitiesFairValueDisclosure"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_us-gaap_FinancialLiabilitiesFairValueDisclosure_281aa0ce-5434-4f9c-af9e-0a501075a815" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueNetAssetLiability_9a94e966-da5d-4d18-a0e1-72f345c3d63d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueNetAssetLiability"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_us-gaap_FairValueNetAssetLiability_9a94e966-da5d-4d18-a0e1-72f345c3d63d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_e7388969-ee44-4cb8-8cce-c2bda4efa897" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_e7388969-ee44-4cb8-8cce-c2bda4efa897" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_44dfa686-4648-4ea3-8bb4-cd8f13937ecc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeLiabilitiesCurrent"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_44dfa686-4648-4ea3-8bb4-cd8f13937ecc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_c5143995-dbe1-4afe-b710-e72ef861a3d0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeLiabilitiesNoncurrent"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_c5143995-dbe1-4afe-b710-e72ef861a3d0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Cash_a2fd2fe4-7e4e-48b7-a62f-e53ecb33263c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Cash"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_us-gaap_Cash_a2fd2fe4-7e4e-48b7-a62f-e53ecb33263c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_5e7cd799-02f2-45be-baa6-e17fc27b38d0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue"/>
<link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_5e7cd799-02f2-45be-baa6-e17fc27b38d0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_caa15541-bfb3-4f94-a0ff-0eb3b8836c46" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue"/>
<link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_caa15541-bfb3-4f94-a0ff-0eb3b8836c46" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetNotionalAmount_482848c8-228f-4b84-b0e4-835819790e5e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeAssetNotionalAmount"/>
<link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_us-gaap_DerivativeAssetNotionalAmount_482848c8-228f-4b84-b0e4-835819790e5e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueNetAssetsLiabilitiesExcludedFromNuclearDecommissioningTrustFundInvestments_97469b19-034b-495c-abb5-5e08207fc759" xlink:href="exc-20220930.xsd#exc_FairValueNetAssetsLiabilitiesExcludedFromNuclearDecommissioningTrustFundInvestments"/>
<link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_exc_FairValueNetAssetsLiabilitiesExcludedFromNuclearDecommissioningTrustFundInvestments_97469b19-034b-495c-abb5-5e08207fc759" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_863f5b5d-34a8-49a2-87b7-b12213dc782f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet"/>
<link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_863f5b5d-34a8-49a2-87b7-b12213dc782f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarginDepositAssets_ed262525-9d63-42d5-9f1d-28ae5b6d00c8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MarginDepositAssets"/>
<link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_us-gaap_MarginDepositAssets_ed262525-9d63-42d5-9f1d-28ae5b6d00c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_72b56f0e-1a60-477a-ab61-3746624c4e20" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeNotionalAmount"/>
<link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_45ed979a-1575-4545-a622-42e05f00e498" xlink:to="loc_us-gaap_DerivativeNotionalAmount_72b56f0e-1a60-477a-ab61-3746624c4e20" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentsSoldNotYetPurchasedCorporateDebt_08d062a1-e60f-485a-ae35-3f867f6e93f4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinancialInstrumentsSoldNotYetPurchasedCorporateDebt"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems_28df4d8e-28e4-47af-8ea2-a104134236ad" xlink:to="loc_us-gaap_FinancialInstrumentsSoldNotYetPurchasedCorporateDebt_08d062a1-e60f-485a-ae35-3f867f6e93f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnInvestments_38d9fdb7-2ffd-4521-b1cd-da37e850a988" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_UnrealizedGainLossOnInvestments"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems_28df4d8e-28e4-47af-8ea2-a104134236ad" xlink:to="loc_us-gaap_UnrealizedGainLossOnInvestments_38d9fdb7-2ffd-4521-b1cd-da37e850a988" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/FairValueofFinancialAssetsandLiabilitiesFairValueAssetsLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#FairValueofFinancialAssetsandLiabilitiesFairValueAssetsLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/FairValueofFinancialAssetsandLiabilitiesFairValueAssetsLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_ccb731ef-9c69-4deb-9c4a-c691736e7f5a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueDisclosuresAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_5f8544c6-1aad-4f07-9453-f3a16353a45d" xlink:href="exc-20220930.xsd#exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_ccb731ef-9c69-4deb-9c4a-c691736e7f5a" xlink:to="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_5f8544c6-1aad-4f07-9453-f3a16353a45d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_12685aee-2234-4be0-b94a-566d999b6e4f" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_5f8544c6-1aad-4f07-9453-f3a16353a45d" xlink:to="loc_dei_LegalEntityAxis_12685aee-2234-4be0-b94a-566d999b6e4f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_cbb9a3fd-74ff-4708-9ae9-8dbfbde469f5" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_12685aee-2234-4be0-b94a-566d999b6e4f" xlink:to="loc_dei_EntityDomain_cbb9a3fd-74ff-4708-9ae9-8dbfbde469f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_a9eb4fc1-daf0-4ed7-831d-782f0cc71c03" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cbb9a3fd-74ff-4708-9ae9-8dbfbde469f5" xlink:to="loc_exc_ExelonGenerationCoLLCMember_a9eb4fc1-daf0-4ed7-831d-782f0cc71c03" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_6083a177-7cef-4c1a-abe1-0b3ad2e56622" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cbb9a3fd-74ff-4708-9ae9-8dbfbde469f5" xlink:to="loc_exc_CommonwealthEdisonCoMember_6083a177-7cef-4c1a-abe1-0b3ad2e56622" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_6f517916-56c2-4306-bef8-1a42479ee13d" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cbb9a3fd-74ff-4708-9ae9-8dbfbde469f5" xlink:to="loc_exc_PepcoHoldingsLLCMember_6f517916-56c2-4306-bef8-1a42479ee13d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_2310fce6-bdd9-4818-9557-5dfdfc8ae83e" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cbb9a3fd-74ff-4708-9ae9-8dbfbde469f5" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_2310fce6-bdd9-4818-9557-5dfdfc8ae83e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_84e81423-c323-4968-b6a1-8def0292aeb9" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cbb9a3fd-74ff-4708-9ae9-8dbfbde469f5" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_84e81423-c323-4968-b6a1-8def0292aeb9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_d2106aa1-6ae2-47d6-b7c9-671722453535" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cbb9a3fd-74ff-4708-9ae9-8dbfbde469f5" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_d2106aa1-6ae2-47d6-b7c9-671722453535" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_b09d04a9-8cc8-46e4-9595-470720c52017" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_5f8544c6-1aad-4f07-9453-f3a16353a45d" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_b09d04a9-8cc8-46e4-9595-470720c52017" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_cf9f2bb9-0603-427e-86b5-dfa4c1dd0372" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_b09d04a9-8cc8-46e4-9595-470720c52017" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_cf9f2bb9-0603-427e-86b5-dfa4c1dd0372" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_82e0acd0-8e24-43f1-9dcc-e632707fa85e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel3Member"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_cf9f2bb9-0603-427e-86b5-dfa4c1dd0372" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_82e0acd0-8e24-43f1-9dcc-e632707fa85e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_25548c53-6d48-4857-85e3-d6e0600097cc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByAssetClassAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_5f8544c6-1aad-4f07-9453-f3a16353a45d" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_25548c53-6d48-4857-85e3-d6e0600097cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_954935b7-0917-4770-8bff-6c27002ff3db" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_25548c53-6d48-4857-85e3-d6e0600097cc" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_954935b7-0917-4770-8bff-6c27002ff3db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_NuclearDecommissioningTrustFundInvestmentsMember_f721a0f7-f3b4-4832-96c1-1a4ddf793312" xlink:href="exc-20220930.xsd#exc_NuclearDecommissioningTrustFundInvestmentsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_954935b7-0917-4770-8bff-6c27002ff3db" xlink:to="loc_exc_NuclearDecommissioningTrustFundInvestmentsMember_f721a0f7-f3b4-4832-96c1-1a4ddf793312" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PledgedAssetsForZionStationDecommissioningMember_da4abb68-a83a-46c2-99ad-d13593653b0b" xlink:href="exc-20220930.xsd#exc_PledgedAssetsForZionStationDecommissioningMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_954935b7-0917-4770-8bff-6c27002ff3db" xlink:to="loc_exc_PledgedAssetsForZionStationDecommissioningMember_da4abb68-a83a-46c2-99ad-d13593653b0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeMember_17ac52d1-c3f4-4950-85bf-1d4448ae6f91" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_954935b7-0917-4770-8bff-6c27002ff3db" xlink:to="loc_us-gaap_DerivativeMember_17ac52d1-c3f4-4950-85bf-1d4448ae6f91" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_sic_Z6311_f94ec09b-2883-4a54-8905-6b7483f96154" xlink:href="https://xbrl.sec.gov/sic/2022/sic-2022.xsd#sic_Z6311"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_954935b7-0917-4770-8bff-6c27002ff3db" xlink:to="loc_sic_Z6311_f94ec09b-2883-4a54-8905-6b7483f96154" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_457fd83a-83fd-4f11-b5f9-bd6be321a150" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_5f8544c6-1aad-4f07-9453-f3a16353a45d" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_457fd83a-83fd-4f11-b5f9-bd6be321a150" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_55ef8fcb-7f39-444c-97f7-365cd112c25c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_457fd83a-83fd-4f11-b5f9-bd6be321a150" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_55ef8fcb-7f39-444c-97f7-365cd112c25c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_b9122a20-a314-4555-9ba1-f59b2d2f492b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestRateSwapMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_55ef8fcb-7f39-444c-97f7-365cd112c25c" xlink:to="loc_us-gaap_InterestRateSwapMember_b9122a20-a314-4555-9ba1-f59b2d2f492b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_43160777-2e99-43d5-b396-ea3d2b00bbd2" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsAxis"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_5f8544c6-1aad-4f07-9453-f3a16353a45d" xlink:to="loc_srt_ConsolidationItemsAxis_43160777-2e99-43d5-b396-ea3d2b00bbd2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_57ee6d43-b483-4ccc-9f3e-80cbf32eed7e" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_43160777-2e99-43d5-b396-ea3d2b00bbd2" xlink:to="loc_srt_ConsolidationItemsDomain_57ee6d43-b483-4ccc-9f3e-80cbf32eed7e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationEliminationsMember_218447ad-3e9b-4f8c-9f07-49751b4c5cf9" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationEliminationsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_57ee6d43-b483-4ccc-9f3e-80cbf32eed7e" xlink:to="loc_srt_ConsolidationEliminationsMember_218447ad-3e9b-4f8c-9f07-49751b4c5cf9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_d6862571-da64-4c93-b407-886c7947165f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_5f8544c6-1aad-4f07-9453-f3a16353a45d" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_d6862571-da64-4c93-b407-886c7947165f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_bbadecc0-1e3a-46e1-a717-2972517a7bda" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_d6862571-da64-4c93-b407-886c7947165f" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_bbadecc0-1e3a-46e1-a717-2972517a7bda" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInMarginDepositsOutstanding_ec011f23-75df-4e80-8de7-ec0d0bc7a24f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInMarginDepositsOutstanding"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_d6862571-da64-4c93-b407-886c7947165f" xlink:to="loc_us-gaap_IncreaseDecreaseInMarginDepositsOutstanding_ec011f23-75df-4e80-8de7-ec0d0bc7a24f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_9b3cf32d-abc2-450c-85c8-3dac492ddba1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_d6862571-da64-4c93-b407-886c7947165f" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_9b3cf32d-abc2-450c-85c8-3dac492ddba1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossAbstract_3359afaf-03d9-4ad5-aba5-f0ec42549019" xlink:href="exc-20220930.xsd#exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossAbstract"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_d6862571-da64-4c93-b407-886c7947165f" xlink:to="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossAbstract_3359afaf-03d9-4ad5-aba5-f0ec42549019" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_c435cdcb-70eb-46b2-83aa-f6b5dc21496f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossAbstract_3359afaf-03d9-4ad5-aba5-f0ec42549019" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_c435cdcb-70eb-46b2-83aa-f6b5dc21496f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisIncludedInNoncurrentPayablesToAffiliates_0c92d6ba-b4b9-4caf-8524-216a9aaf41f8" xlink:href="exc-20220930.xsd#exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisIncludedInNoncurrentPayablesToAffiliates"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossAbstract_3359afaf-03d9-4ad5-aba5-f0ec42549019" xlink:to="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisIncludedInNoncurrentPayablesToAffiliates_0c92d6ba-b4b9-4caf-8524-216a9aaf41f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInNuclearDecommissioningPayable_ced63088-8895-448b-bef0-1851593288a1" xlink:href="exc-20220930.xsd#exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInNuclearDecommissioningPayable"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossAbstract_3359afaf-03d9-4ad5-aba5-f0ec42549019" xlink:to="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInNuclearDecommissioningPayable_ced63088-8895-448b-bef0-1851593288a1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisIncludedInRegulatoryassets_6ac5f2f0-2d97-4715-b36c-f7d246446c9d" xlink:href="exc-20220930.xsd#exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisIncludedInRegulatoryassets"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossAbstract_3359afaf-03d9-4ad5-aba5-f0ec42549019" xlink:to="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisIncludedInRegulatoryassets_6ac5f2f0-2d97-4715-b36c-f7d246446c9d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossChangeInCollateral_21e00aa2-dcb5-4f21-a837-9199ef7be226" xlink:href="exc-20220930.xsd#exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossChangeInCollateral"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_d6862571-da64-4c93-b407-886c7947165f" xlink:to="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossChangeInCollateral_21e00aa2-dcb5-4f21-a837-9199ef7be226" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_8eb14ebc-45ed-4c4c-9db6-8d68eaa5c1d8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_d6862571-da64-4c93-b407-886c7947165f" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_8eb14ebc-45ed-4c4c-9db6-8d68eaa5c1d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_df7aa469-df8e-4272-b288-a93659e34efd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_8eb14ebc-45ed-4c4c-9db6-8d68eaa5c1d8" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_df7aa469-df8e-4272-b288-a93659e34efd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_2d3568aa-7f72-4070-b3c9-083ebcce3443" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_8eb14ebc-45ed-4c4c-9db6-8d68eaa5c1d8" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_2d3568aa-7f72-4070-b3c9-083ebcce3443" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues_d24ba625-62ad-487f-aa10-bf7e57818430" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_8eb14ebc-45ed-4c4c-9db6-8d68eaa5c1d8" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues_d24ba625-62ad-487f-aa10-bf7e57818430" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_d1e34dca-7cd0-4547-98ed-fdf7dbccd157" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_8eb14ebc-45ed-4c4c-9db6-8d68eaa5c1d8" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_d1e34dca-7cd0-4547-98ed-fdf7dbccd157" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_41bbceae-a067-4e06-b945-f8ed1e66d064" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_d6862571-da64-4c93-b407-886c7947165f" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_41bbceae-a067-4e06-b945-f8ed1e66d064" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3_8bbac33b-c5af-45a4-86f2-29203876d3fd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_d6862571-da64-4c93-b407-886c7947165f" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3_8bbac33b-c5af-45a4-86f2-29203876d3fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_cdfd6692-7cd8-4a72-8b52-cec308aae9af" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_d6862571-da64-4c93-b407-886c7947165f" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_cdfd6692-7cd8-4a72-8b52-cec308aae9af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_c3e6e3ae-915a-40ac-bd23-5953e8193dd7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_d6862571-da64-4c93-b407-886c7947165f" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_c3e6e3ae-915a-40ac-bd23-5953e8193dd7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_fdd83911-4015-4f9e-bfb5-57981ac8470e" xlink:href="exc-20220930.xsd#exc_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_d6862571-da64-4c93-b407-886c7947165f" xlink:to="loc_exc_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_fdd83911-4015-4f9e-bfb5-57981ac8470e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings_40c14117-cbfd-4bb7-a837-8f3be1c396a6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_fdd83911-4015-4f9e-bfb5-57981ac8470e" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings_40c14117-cbfd-4bb7-a837-8f3be1c396a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPeriodIncreaseDecrease_966d0cb6-979f-45c2-86f6-c8424cafd0b1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPeriodIncreaseDecrease"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_fdd83911-4015-4f9e-bfb5-57981ac8470e" xlink:to="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPeriodIncreaseDecrease_966d0cb6-979f-45c2-86f6-c8424cafd0b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealizedInvestmentGainsLosses_e282d2bd-fbf6-46c6-ade9-941513714082" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RealizedInvestmentGainsLosses"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_fdd83911-4015-4f9e-bfb5-57981ac8470e" xlink:to="loc_us-gaap_RealizedInvestmentGainsLosses_e282d2bd-fbf6-46c6-ade9-941513714082" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/FairValueofFinancialAssetsandLiabilitiesFairValueInputsAssetsQuantitativeInformationDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#FairValueofFinancialAssetsandLiabilitiesFairValueInputsAssetsQuantitativeInformationDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/FairValueofFinancialAssetsandLiabilitiesFairValueInputsAssetsQuantitativeInformationDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_715110a6-5739-4331-98b8-4ac5c3ca9240" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueDisclosuresAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_8b524af6-2956-4fa9-8173-17d69a021c1b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_715110a6-5739-4331-98b8-4ac5c3ca9240" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_8b524af6-2956-4fa9-8173-17d69a021c1b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_721b0741-a1ee-4b50-b197-d16c3ea1b09b" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_8b524af6-2956-4fa9-8173-17d69a021c1b" xlink:to="loc_dei_LegalEntityAxis_721b0741-a1ee-4b50-b197-d16c3ea1b09b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_bdb76144-e642-4efd-b586-f8a62bf8c4d7" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_721b0741-a1ee-4b50-b197-d16c3ea1b09b" xlink:to="loc_dei_EntityDomain_bdb76144-e642-4efd-b586-f8a62bf8c4d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_dd0b8e38-73ca-4bc4-8ed4-c079162fa806" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_bdb76144-e642-4efd-b586-f8a62bf8c4d7" xlink:to="loc_exc_ExelonGenerationCoLLCMember_dd0b8e38-73ca-4bc4-8ed4-c079162fa806" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_c0932655-2926-4633-abe9-e43c72124bfd" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_bdb76144-e642-4efd-b586-f8a62bf8c4d7" xlink:to="loc_exc_CommonwealthEdisonCoMember_c0932655-2926-4633-abe9-e43c72124bfd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_f01a9117-7a2f-4827-80ca-cec044369b54" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_8b524af6-2956-4fa9-8173-17d69a021c1b" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_f01a9117-7a2f-4827-80ca-cec044369b54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2a645ff1-6647-4872-9514-9a74f15ae570" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_f01a9117-7a2f-4827-80ca-cec044369b54" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2a645ff1-6647-4872-9514-9a74f15ae570" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_a6e1bc42-f628-4fa6-b3a1-8eff1b99aac0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel3Member"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2a645ff1-6647-4872-9514-9a74f15ae570" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_a6e1bc42-f628-4fa6-b3a1-8eff1b99aac0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_72bb7baf-2177-4610-8154-303ea4deeda9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_8b524af6-2956-4fa9-8173-17d69a021c1b" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_72bb7baf-2177-4610-8154-303ea4deeda9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_b772fc4b-3062-47a8-8c53-937481316c99" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_72bb7baf-2177-4610-8154-303ea4deeda9" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_b772fc4b-3062-47a8-8c53-937481316c99" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EconomicHedgingInstrumentMember_de044604-efc5-449c-b9ee-abe2f5c0226c" xlink:href="exc-20220930.xsd#exc_EconomicHedgingInstrumentMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_b772fc4b-3062-47a8-8c53-937481316c99" xlink:to="loc_exc_EconomicHedgingInstrumentMember_de044604-efc5-449c-b9ee-abe2f5c0226c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeMember_78efde97-901d-4188-9352-da08c18ec360" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_b772fc4b-3062-47a8-8c53-937481316c99" xlink:to="loc_us-gaap_DerivativeMember_78efde97-901d-4188-9352-da08c18ec360" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ProprietaryTradingMember_0a41480c-ae50-4bf0-8194-410568a85652" xlink:href="exc-20220930.xsd#exc_ProprietaryTradingMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_b772fc4b-3062-47a8-8c53-937481316c99" xlink:to="loc_exc_ProprietaryTradingMember_0a41480c-ae50-4bf0-8194-410568a85652" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueAxis_1873cc49-5725-428c-bea1-29b0141562cb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ValuationTechniqueAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_8b524af6-2956-4fa9-8173-17d69a021c1b" xlink:to="loc_us-gaap_ValuationTechniqueAxis_1873cc49-5725-428c-bea1-29b0141562cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueDomain_f95e5e8c-917d-47d4-9fd9-fa779770fa17" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ValuationTechniqueDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationTechniqueAxis_1873cc49-5725-428c-bea1-29b0141562cb" xlink:to="loc_us-gaap_ValuationTechniqueDomain_f95e5e8c-917d-47d4-9fd9-fa779770fa17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeApproachValuationTechniqueMember_f9f03a95-782d-4543-a56a-ad7c685d0d90" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeApproachValuationTechniqueMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationTechniqueDomain_f95e5e8c-917d-47d4-9fd9-fa779770fa17" xlink:to="loc_us-gaap_IncomeApproachValuationTechniqueMember_f9f03a95-782d-4543-a56a-ad7c685d0d90" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OptionModelValuationTechniqueMember_8680d23a-3ac5-47a6-ae74-d0fd60255a3c" xlink:href="exc-20220930.xsd#exc_OptionModelValuationTechniqueMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationTechniqueDomain_f95e5e8c-917d-47d4-9fd9-fa779770fa17" xlink:to="loc_exc_OptionModelValuationTechniqueMember_8680d23a-3ac5-47a6-ae74-d0fd60255a3c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_11448202-5018-428a-b3ae-22524fa06c26" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeAxis"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_8b524af6-2956-4fa9-8173-17d69a021c1b" xlink:to="loc_srt_RangeAxis_11448202-5018-428a-b3ae-22524fa06c26" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_e80ef447-50c4-4057-b9ad-7ef6865fb303" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_11448202-5018-428a-b3ae-22524fa06c26" xlink:to="loc_srt_RangeMember_e80ef447-50c4-4057-b9ad-7ef6865fb303" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_4a5d168e-c793-4e43-89a3-94ce33f9ce54" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MinimumMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_e80ef447-50c4-4057-b9ad-7ef6865fb303" xlink:to="loc_srt_MinimumMember_4a5d168e-c793-4e43-89a3-94ce33f9ce54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_804ebc3e-686b-4e43-a85f-14632ff7105b" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MaximumMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_e80ef447-50c4-4057-b9ad-7ef6865fb303" xlink:to="loc_srt_MaximumMember_804ebc3e-686b-4e43-a85f-14632ff7105b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ArithmeticAverageMember_d88745ba-1941-4b65-9249-4faff0c120b9" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ArithmeticAverageMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_e80ef447-50c4-4057-b9ad-7ef6865fb303" xlink:to="loc_srt_ArithmeticAverageMember_d88745ba-1941-4b65-9249-4faff0c120b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_e57a299f-65dd-4d5f-a36c-650136134b36" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativesFairValueLineItems"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_8b524af6-2956-4fa9-8173-17d69a021c1b" xlink:to="loc_us-gaap_DerivativesFairValueLineItems_e57a299f-65dd-4d5f-a36c-650136134b36" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_a481ccd2-c742-4770-8a54-0fefedf2204e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_e57a299f-65dd-4d5f-a36c-650136134b36" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_a481ccd2-c742-4770-8a54-0fefedf2204e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_973cb793-8e5f-44e0-9feb-bde3f2713306" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_e57a299f-65dd-4d5f-a36c-650136134b36" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_973cb793-8e5f-44e0-9feb-bde3f2713306" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_662041d9-b297-48cd-87cd-25a1ff9d2386" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsQuantitativeInformationAbstract"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_e57a299f-65dd-4d5f-a36c-650136134b36" xlink:to="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_662041d9-b297-48cd-87cd-25a1ff9d2386" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueInputsForwardPowerPriceAssets_f34f3d92-754c-4bcf-9470-aef4a925efb8" xlink:href="exc-20220930.xsd#exc_FairValueInputsForwardPowerPriceAssets"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_662041d9-b297-48cd-87cd-25a1ff9d2386" xlink:to="loc_exc_FairValueInputsForwardPowerPriceAssets_f34f3d92-754c-4bcf-9470-aef4a925efb8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueInputsForwardGasPriceAssets_f325f528-eefd-4851-8288-f61279111e02" xlink:href="exc-20220930.xsd#exc_FairValueInputsForwardGasPriceAssets"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_662041d9-b297-48cd-87cd-25a1ff9d2386" xlink:to="loc_exc_FairValueInputsForwardGasPriceAssets_f325f528-eefd-4851-8288-f61279111e02" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetLiabilityNetMeasurementInput_40bc4dc3-a0ce-4378-b3f6-86db500bf922" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeAssetLiabilityNetMeasurementInput"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_662041d9-b297-48cd-87cd-25a1ff9d2386" xlink:to="loc_us-gaap_DerivativeAssetLiabilityNetMeasurementInput_40bc4dc3-a0ce-4378-b3f6-86db500bf922" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueInputsForwardHeatRate_55a24257-906e-4cf4-bc14-1a47920ac48d" xlink:href="exc-20220930.xsd#exc_FairValueInputsForwardHeatRate"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_662041d9-b297-48cd-87cd-25a1ff9d2386" xlink:to="loc_exc_FairValueInputsForwardHeatRate_55a24257-906e-4cf4-bc14-1a47920ac48d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueInputsRenewableFactor_a0a90be2-61d1-4efb-af59-0e16c029c175" xlink:href="exc-20220930.xsd#exc_FairValueInputsRenewableFactor"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_662041d9-b297-48cd-87cd-25a1ff9d2386" xlink:to="loc_exc_FairValueInputsRenewableFactor_a0a90be2-61d1-4efb-af59-0e16c029c175" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DerivativesFairValueFootnotesAbstract_e605cecd-6881-4d82-bfb2-cfa0a19543eb" xlink:href="exc-20220930.xsd#exc_DerivativesFairValueFootnotesAbstract"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_e57a299f-65dd-4d5f-a36c-650136134b36" xlink:to="loc_exc_DerivativesFairValueFootnotesAbstract_e605cecd-6881-4d82-bfb2-cfa0a19543eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CashCollateralPosted_22bac3ed-39ba-4792-b5f6-68c2ad53176e" xlink:href="exc-20220930.xsd#exc_CashCollateralPosted"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_DerivativesFairValueFootnotesAbstract_e605cecd-6881-4d82-bfb2-cfa0a19543eb" xlink:to="loc_exc_CashCollateralPosted_22bac3ed-39ba-4792-b5f6-68c2ad53176e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueInputsForwardPowerPrice_78663f50-2cc4-4d3a-b568-cb64f8b3aec0" xlink:href="exc-20220930.xsd#exc_FairValueInputsForwardPowerPrice"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_e57a299f-65dd-4d5f-a36c-650136134b36" xlink:to="loc_exc_FairValueInputsForwardPowerPrice_78663f50-2cc4-4d3a-b568-cb64f8b3aec0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/CommitmentsandContingenciesNarrativeDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#CommitmentsandContingenciesNarrativeDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/CommitmentsandContingenciesNarrativeDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_32f67c44-4be1-4fe8-9d23-f98455e7c710" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationTable_a9478192-fb8a-421f-b865-e3abf87c6b8b" xlink:href="exc-20220930.xsd#exc_CommitmentsAndContingenciesAdditionalNarrativeInformationTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_32f67c44-4be1-4fe8-9d23-f98455e7c710" xlink:to="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationTable_a9478192-fb8a-421f-b865-e3abf87c6b8b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis_112c53e2-0a70-40de-b64e-60a20e718fb4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationTable_a9478192-fb8a-421f-b865-e3abf87c6b8b" xlink:to="loc_us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis_112c53e2-0a70-40de-b64e-60a20e718fb4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProjectMember_78f54bb0-504c-4754-853b-b1157a6b2afc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProjectMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis_112c53e2-0a70-40de-b64e-60a20e718fb4" xlink:to="loc_us-gaap_ProjectMember_78f54bb0-504c-4754-853b-b1157a6b2afc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherSolarProjectsMember_b0e70598-2dcf-4d43-924f-e7dea088811c" xlink:href="exc-20220930.xsd#exc_OtherSolarProjectsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProjectMember_78f54bb0-504c-4754-853b-b1157a6b2afc" xlink:to="loc_exc_OtherSolarProjectsMember_b0e70598-2dcf-4d43-924f-e7dea088811c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_WindAssetsMember_8e4a0af2-d045-4e17-98e6-1586e446d8f7" xlink:href="exc-20220930.xsd#exc_WindAssetsMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProjectMember_78f54bb0-504c-4754-853b-b1157a6b2afc" xlink:to="loc_exc_WindAssetsMember_8e4a0af2-d045-4e17-98e6-1586e446d8f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalRemediationSiteAxis_e02830a2-42c0-4e53-854e-12d1faaa8da3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EnvironmentalRemediationSiteAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationTable_a9478192-fb8a-421f-b865-e3abf87c6b8b" xlink:to="loc_us-gaap_EnvironmentalRemediationSiteAxis_e02830a2-42c0-4e53-854e-12d1faaa8da3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalRemediationSiteDomain_c1a76255-a531-484c-ab11-f2f6073207f6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EnvironmentalRemediationSiteDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EnvironmentalRemediationSiteAxis_e02830a2-42c0-4e53-854e-12d1faaa8da3" xlink:to="loc_us-gaap_EnvironmentalRemediationSiteDomain_c1a76255-a531-484c-ab11-f2f6073207f6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_WestLakeMember_3f7be25d-20d4-42b0-92db-9b04a3e45afb" xlink:href="exc-20220930.xsd#exc_WestLakeMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EnvironmentalRemediationSiteDomain_c1a76255-a531-484c-ab11-f2f6073207f6" xlink:to="loc_exc_WestLakeMember_3f7be25d-20d4-42b0-92db-9b04a3e45afb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AccrualForMgpInvestigationAndRemediationMember_6dd5f643-314a-4937-8b0c-ddfe95f0abe5" xlink:href="exc-20220930.xsd#exc_AccrualForMgpInvestigationAndRemediationMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EnvironmentalRemediationSiteDomain_c1a76255-a531-484c-ab11-f2f6073207f6" xlink:to="loc_exc_AccrualForMgpInvestigationAndRemediationMember_6dd5f643-314a-4937-8b0c-ddfe95f0abe5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_3c9c7787-4c7b-4545-b24f-b3179ac4f5c0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessAcquisitionAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationTable_a9478192-fb8a-421f-b865-e3abf87c6b8b" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_3c9c7787-4c7b-4545-b24f-b3179ac4f5c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_3e53fcf9-f43a-44dc-8e68-1d0e7e218bc6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_3c9c7787-4c7b-4545-b24f-b3179ac4f5c0" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_3e53fcf9-f43a-44dc-8e68-1d0e7e218bc6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PEPCOHoldingsIncMember_e71ff417-89f8-4d86-ac1c-3a9158be4779" xlink:href="exc-20220930.xsd#exc_PEPCOHoldingsIncMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_3e53fcf9-f43a-44dc-8e68-1d0e7e218bc6" xlink:to="loc_exc_PEPCOHoldingsIncMember_e71ff417-89f8-4d86-ac1c-3a9158be4779" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ClaimTypeAxis_062f7e7b-645d-45ea-b44d-a6687164fc5d" xlink:href="exc-20220930.xsd#exc_ClaimTypeAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationTable_a9478192-fb8a-421f-b865-e3abf87c6b8b" xlink:to="loc_exc_ClaimTypeAxis_062f7e7b-645d-45ea-b44d-a6687164fc5d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ClaimTypeDomain_d0a0d44c-d6f2-43ee-b35f-f7653a2e534d" xlink:href="exc-20220930.xsd#exc_ClaimTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ClaimTypeAxis_062f7e7b-645d-45ea-b44d-a6687164fc5d" xlink:to="loc_exc_ClaimTypeDomain_d0a0d44c-d6f2-43ee-b35f-f7653a2e534d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OpenClaimsMember_76937736-2faf-4928-bd15-df7635a2e5c4" xlink:href="exc-20220930.xsd#exc_OpenClaimsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ClaimTypeDomain_d0a0d44c-d6f2-43ee-b35f-f7653a2e534d" xlink:to="loc_exc_OpenClaimsMember_76937736-2faf-4928-bd15-df7635a2e5c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EstimatedFutureClaimsMember_a8208d55-717d-48ca-8393-13ae49533380" xlink:href="exc-20220930.xsd#exc_EstimatedFutureClaimsMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ClaimTypeDomain_d0a0d44c-d6f2-43ee-b35f-f7653a2e534d" xlink:to="loc_exc_EstimatedFutureClaimsMember_a8208d55-717d-48ca-8393-13ae49533380" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_bdedacd8-50bf-4fc0-b4c2-7656dc031366" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationTable_a9478192-fb8a-421f-b865-e3abf87c6b8b" xlink:to="loc_dei_LegalEntityAxis_bdedacd8-50bf-4fc0-b4c2-7656dc031366" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_7e7167b3-6a3d-480e-9f53-20fcb9e9bfb1" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_bdedacd8-50bf-4fc0-b4c2-7656dc031366" xlink:to="loc_dei_EntityDomain_7e7167b3-6a3d-480e-9f53-20fcb9e9bfb1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_a1d229d6-3680-4d4f-93bc-a7c9bdeef0b5" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7e7167b3-6a3d-480e-9f53-20fcb9e9bfb1" xlink:to="loc_exc_ExelonGenerationCoLLCMember_a1d229d6-3680-4d4f-93bc-a7c9bdeef0b5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_75e06905-8eb3-4973-a61b-657c0d7bc44e" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7e7167b3-6a3d-480e-9f53-20fcb9e9bfb1" xlink:to="loc_exc_CommonwealthEdisonCoMember_75e06905-8eb3-4973-a61b-657c0d7bc44e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_8376abb7-1596-4d55-860e-9a9d3b52b457" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7e7167b3-6a3d-480e-9f53-20fcb9e9bfb1" xlink:to="loc_exc_PecoEnergyCoMember_8376abb7-1596-4d55-860e-9a9d3b52b457" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_5a66e3f7-8542-4b60-987b-66435fb8b1b7" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7e7167b3-6a3d-480e-9f53-20fcb9e9bfb1" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_5a66e3f7-8542-4b60-987b-66435fb8b1b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_4c5e033c-e9ad-44fc-a851-b56c13eb7f32" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7e7167b3-6a3d-480e-9f53-20fcb9e9bfb1" xlink:to="loc_exc_PepcoHoldingsLLCMember_4c5e033c-e9ad-44fc-a851-b56c13eb7f32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_53ec5c72-77e5-4965-a109-a2210385f428" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7e7167b3-6a3d-480e-9f53-20fcb9e9bfb1" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_53ec5c72-77e5-4965-a109-a2210385f428" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_af68b456-0613-456c-9e3f-7f5ecdb36c4a" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7e7167b3-6a3d-480e-9f53-20fcb9e9bfb1" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_af68b456-0613-456c-9e3f-7f5ecdb36c4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_b9acc16d-95a7-4027-be83-312edc57df00" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationTable_a9478192-fb8a-421f-b865-e3abf87c6b8b" xlink:to="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_b9acc16d-95a7-4027-be83-312edc57df00" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_ea7040ae-5e68-479c-b5a2-98d77b912c58" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingencyNatureDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_b9acc16d-95a7-4027-be83-312edc57df00" xlink:to="loc_us-gaap_LossContingencyNatureDomain_ea7040ae-5e68-479c-b5a2-98d77b912c58" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_LDCDamagesMember_385b75a2-29f8-429d-830a-50c2b051d39d" xlink:href="exc-20220930.xsd#exc_LDCDamagesMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingencyNatureDomain_ea7040ae-5e68-479c-b5a2-98d77b912c58" xlink:to="loc_exc_LDCDamagesMember_385b75a2-29f8-429d-830a-50c2b051d39d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_LDCDamagesAccruedLiabilityMember_6b8ec2cb-faf2-431d-8e77-5c6ec6f0e94a" xlink:href="exc-20220930.xsd#exc_LDCDamagesAccruedLiabilityMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingencyNatureDomain_ea7040ae-5e68-479c-b5a2-98d77b912c58" xlink:to="loc_exc_LDCDamagesAccruedLiabilityMember_6b8ec2cb-faf2-431d-8e77-5c6ec6f0e94a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis_4eb598f4-ca98-4152-8c77-cdb6d19e4360" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_StatementScenarioAxis"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationTable_a9478192-fb8a-421f-b865-e3abf87c6b8b" xlink:to="loc_srt_StatementScenarioAxis_4eb598f4-ca98-4152-8c77-cdb6d19e4360" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_d4d6deae-0afb-404f-973c-5cb7eee1458d" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ScenarioUnspecifiedDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_StatementScenarioAxis_4eb598f4-ca98-4152-8c77-cdb6d19e4360" xlink:to="loc_srt_ScenarioUnspecifiedDomain_d4d6deae-0afb-404f-973c-5cb7eee1458d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioForecastMember_32dec3e0-8b69-44cd-81e5-f0add5c80352" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ScenarioForecastMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ScenarioUnspecifiedDomain_d4d6deae-0afb-404f-973c-5cb7eee1458d" xlink:to="loc_srt_ScenarioForecastMember_32dec3e0-8b69-44cd-81e5-f0add5c80352" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_e067d1e9-e8fd-4359-9bc1-1abf2de1424a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeAxis"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationTable_a9478192-fb8a-421f-b865-e3abf87c6b8b" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_e067d1e9-e8fd-4359-9bc1-1abf2de1424a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_2da38007-a38d-434b-bc65-7bd1f1ed53b1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_e067d1e9-e8fd-4359-9bc1-1abf2de1424a" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_2da38007-a38d-434b-bc65-7bd1f1ed53b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatutoryAccountingPracticesByJurisdictionAxis_78835c40-4d28-47c5-b02f-fbd461b2529b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatutoryAccountingPracticesByJurisdictionAxis"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationTable_a9478192-fb8a-421f-b865-e3abf87c6b8b" xlink:to="loc_us-gaap_StatutoryAccountingPracticesByJurisdictionAxis_78835c40-4d28-47c5-b02f-fbd461b2529b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatutoryAccountingPracticesJurisdictionDomain_13611fbd-75b1-420b-9a62-a174af946ea6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatutoryAccountingPracticesJurisdictionDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatutoryAccountingPracticesByJurisdictionAxis_78835c40-4d28-47c5-b02f-fbd461b2529b" xlink:to="loc_us-gaap_StatutoryAccountingPracticesJurisdictionDomain_13611fbd-75b1-420b-9a62-a174af946ea6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_stpr_IL_703a9bbb-98ff-4a62-a093-a43e0f0b46d9" xlink:href="https://xbrl.sec.gov/stpr/2022/stpr-2022.xsd#stpr_IL"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatutoryAccountingPracticesJurisdictionDomain_13611fbd-75b1-420b-9a62-a174af946ea6" xlink:to="loc_stpr_IL_703a9bbb-98ff-4a62-a093-a43e0f0b46d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_IllinoisChamberOfCommerceMember_b284a0d2-5533-4d01-8b07-c2660827b396" xlink:href="exc-20220930.xsd#exc_IllinoisChamberOfCommerceMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatutoryAccountingPracticesJurisdictionDomain_13611fbd-75b1-420b-9a62-a174af946ea6" xlink:to="loc_exc_IllinoisChamberOfCommerceMember_b284a0d2-5533-4d01-8b07-c2660827b396" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalRemediationContingencyAxis_b4ff0229-3c84-45d8-bad1-a6d2b91a324e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EnvironmentalRemediationContingencyAxis"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationTable_a9478192-fb8a-421f-b865-e3abf87c6b8b" xlink:to="loc_us-gaap_EnvironmentalRemediationContingencyAxis_b4ff0229-3c84-45d8-bad1-a6d2b91a324e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalRemediationContingencyDomain_3be02f79-6933-4287-8b51-1e7a90ca121c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EnvironmentalRemediationContingencyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EnvironmentalRemediationContingencyAxis_b4ff0229-3c84-45d8-bad1-a6d2b91a324e" xlink:to="loc_us-gaap_EnvironmentalRemediationContingencyDomain_3be02f79-6933-4287-8b51-1e7a90ca121c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AccrualForMgpInvestigationAndRemediationMember_572f491b-1070-4854-9951-3045d0bd3b1e" xlink:href="exc-20220930.xsd#exc_AccrualForMgpInvestigationAndRemediationMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EnvironmentalRemediationContingencyDomain_3be02f79-6933-4287-8b51-1e7a90ca121c" xlink:to="loc_exc_AccrualForMgpInvestigationAndRemediationMember_572f491b-1070-4854-9951-3045d0bd3b1e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_7aef14b0-9cc4-480d-886e-bfbd7ae52cdc" xlink:href="exc-20220930.xsd#exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationTable_a9478192-fb8a-421f-b865-e3abf87c6b8b" xlink:to="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_7aef14b0-9cc4-480d-886e-bfbd7ae52cdc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BusinessAcquisitionExpectedNewGenerationMwh_ea5c245b-641b-4afb-97d8-569490b9452e" xlink:href="exc-20220930.xsd#exc_BusinessAcquisitionExpectedNewGenerationMwh"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_7aef14b0-9cc4-480d-886e-bfbd7ae52cdc" xlink:to="loc_exc_BusinessAcquisitionExpectedNewGenerationMwh_ea5c245b-641b-4afb-97d8-569490b9452e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitment_7711f119-bbaf-41f5-82ac-41b9fe49b3de" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCommitment"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_7aef14b0-9cc4-480d-886e-bfbd7ae52cdc" xlink:to="loc_us-gaap_OtherCommitment_7711f119-bbaf-41f5-82ac-41b9fe49b3de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherNonFinancialCommitment1_bac40da1-8afa-406b-954d-d737c8e4541c" xlink:href="exc-20220930.xsd#exc_OtherNonFinancialCommitment1"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_7aef14b0-9cc4-480d-886e-bfbd7ae52cdc" xlink:to="loc_exc_OtherNonFinancialCommitment1_bac40da1-8afa-406b-954d-d737c8e4541c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PurchaseCommitment_a26b3501-9984-4c64-b032-a54fa3ef1010" xlink:href="exc-20220930.xsd#exc_PurchaseCommitment"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_7aef14b0-9cc4-480d-886e-bfbd7ae52cdc" xlink:to="loc_exc_PurchaseCommitment_a26b3501-9984-4c64-b032-a54fa3ef1010" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_MgpSiteContingencyMonitoringCount_f6d62ea3-ff53-41ea-b2da-f7a09cbd2141" xlink:href="exc-20220930.xsd#exc_MgpSiteContingencyMonitoringCount"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_7aef14b0-9cc4-480d-886e-bfbd7ae52cdc" xlink:to="loc_exc_MgpSiteContingencyMonitoringCount_f6d62ea3-ff53-41ea-b2da-f7a09cbd2141" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_MgpSiteContingencyCount_4c8934ee-a822-40c8-ac67-3beba586ba76" xlink:href="exc-20220930.xsd#exc_MgpSiteContingencyCount"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_7aef14b0-9cc4-480d-886e-bfbd7ae52cdc" xlink:to="loc_exc_MgpSiteContingencyCount_4c8934ee-a822-40c8-ac67-3beba586ba76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingenciesGross_1e20423c-dda9-401c-bc1e-45444b728cef" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesGross"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_7aef14b0-9cc4-480d-886e-bfbd7ae52cdc" xlink:to="loc_us-gaap_AccrualForEnvironmentalLossContingenciesGross_1e20423c-dda9-401c-bc1e-45444b728cef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingenciesComponentAmount_aa4da009-4c78-4f84-815e-c6bf1507210b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesComponentAmount"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_7aef14b0-9cc4-480d-886e-bfbd7ae52cdc" xlink:to="loc_us-gaap_AccrualForEnvironmentalLossContingenciesComponentAmount_aa4da009-4c78-4f84-815e-c6bf1507210b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsGross_cd5295dc-804f-4e1d-95d6-4d7b9fed50f5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsGross"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_7aef14b0-9cc4-480d-886e-bfbd7ae52cdc" xlink:to="loc_us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsGross_cd5295dc-804f-4e1d-95d6-4d7b9fed50f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyPendingClaimsNumber_57309219-2176-4966-9fc4-2e00f5acc43d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingencyPendingClaimsNumber"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_7aef14b0-9cc4-480d-886e-bfbd7ae52cdc" xlink:to="loc_us-gaap_LossContingencyPendingClaimsNumber_57309219-2176-4966-9fc4-2e00f5acc43d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty_3f5464e8-75e0-4189-a738-600e3d9a2e24" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LitigationSettlementAmountAwardedToOtherParty"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_7aef14b0-9cc4-480d-886e-bfbd7ae52cdc" xlink:to="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty_3f5464e8-75e0-4189-a738-600e3d9a2e24" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationReserveCurrent_ba1a8097-8334-427d-b3f8-539e38a89388" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LitigationReserveCurrent"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_7aef14b0-9cc4-480d-886e-bfbd7ae52cdc" xlink:to="loc_us-gaap_LitigationReserveCurrent_ba1a8097-8334-427d-b3f8-539e38a89388" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRefundLiabilityNoncurrent_91288aef-2078-48a2-a1c1-d0a96bb45294" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CustomerRefundLiabilityNoncurrent"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_7aef14b0-9cc4-480d-886e-bfbd7ae52cdc" xlink:to="loc_us-gaap_CustomerRefundLiabilityNoncurrent_91288aef-2078-48a2-a1c1-d0a96bb45294" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRefundLiabilityCurrent_96769983-80a2-438c-9720-c4841a636811" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CustomerRefundLiabilityCurrent"/>
<link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_7aef14b0-9cc4-480d-886e-bfbd7ae52cdc" xlink:to="loc_us-gaap_CustomerRefundLiabilityCurrent_96769983-80a2-438c-9720-c4841a636811" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease_43997857-9646-4d65-8a50-e1ca1397e6fb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease"/>
<link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_7aef14b0-9cc4-480d-886e-bfbd7ae52cdc" xlink:to="loc_us-gaap_AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease_43997857-9646-4d65-8a50-e1ca1397e6fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/CommitmentsandContingenciesMergerCommitmentDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#CommitmentsandContingenciesMergerCommitmentDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/CommitmentsandContingenciesMergerCommitmentDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_2be5ddef-9173-436e-813e-44248c095ab1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsTable_5eaa43d0-dc0f-49a0-8474-d2291df83462" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCommitmentsTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_2be5ddef-9173-436e-813e-44248c095ab1" xlink:to="loc_us-gaap_OtherCommitmentsTable_5eaa43d0-dc0f-49a0-8474-d2291df83462" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_c4f55b6d-beca-4365-9d0f-d67d5c0cfb7b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessAcquisitionAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsTable_5eaa43d0-dc0f-49a0-8474-d2291df83462" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_c4f55b6d-beca-4365-9d0f-d67d5c0cfb7b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_ba8b6cf5-bed9-4b22-af3a-098de680f978" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_c4f55b6d-beca-4365-9d0f-d67d5c0cfb7b" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_ba8b6cf5-bed9-4b22-af3a-098de680f978" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PEPCOHoldingsIncMember_8a8e9891-aaf3-40a5-9752-9fd9187f7b9e" xlink:href="exc-20220930.xsd#exc_PEPCOHoldingsIncMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_ba8b6cf5-bed9-4b22-af3a-098de680f978" xlink:to="loc_exc_PEPCOHoldingsIncMember_8a8e9891-aaf3-40a5-9752-9fd9187f7b9e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_d309f38d-7a7f-4a11-a18e-5cbf7d6aab0c" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsTable_5eaa43d0-dc0f-49a0-8474-d2291df83462" xlink:to="loc_dei_LegalEntityAxis_d309f38d-7a7f-4a11-a18e-5cbf7d6aab0c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_77336126-26b7-4975-a422-9f265775c13a" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_d309f38d-7a7f-4a11-a18e-5cbf7d6aab0c" xlink:to="loc_dei_EntityDomain_77336126-26b7-4975-a422-9f265775c13a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_93ceeb14-091c-4807-8c28-760faf9d1d97" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_77336126-26b7-4975-a422-9f265775c13a" xlink:to="loc_exc_PepcoHoldingsLLCMember_93ceeb14-091c-4807-8c28-760faf9d1d97" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_942045f8-9393-4eee-9ca8-a9e5ab51f619" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_77336126-26b7-4975-a422-9f265775c13a" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_942045f8-9393-4eee-9ca8-a9e5ab51f619" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_9bae737a-a7ca-418e-aeba-73be1dc17b95" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_77336126-26b7-4975-a422-9f265775c13a" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_9bae737a-a7ca-418e-aeba-73be1dc17b95" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_4093f349-3460-4c24-9340-9a5ec50f70ba" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_77336126-26b7-4975-a422-9f265775c13a" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_4093f349-3460-4c24-9340-9a5ec50f70ba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsAxis_e5c1ec07-a5c8-43b3-98e5-a750c27671b4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCommitmentsAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsTable_5eaa43d0-dc0f-49a0-8474-d2291df83462" xlink:to="loc_us-gaap_OtherCommitmentsAxis_e5c1ec07-a5c8-43b3-98e5-a750c27671b4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsDomain_9b9a3297-5124-44fc-b51c-9f8678e56e14" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCommitmentsDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsAxis_e5c1ec07-a5c8-43b3-98e5-a750c27671b4" xlink:to="loc_us-gaap_OtherCommitmentsDomain_9b9a3297-5124-44fc-b51c-9f8678e56e14" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RemainingCommitmentMember_aed1c996-b125-4433-910b-5298c7b8a40d" xlink:href="exc-20220930.xsd#exc_RemainingCommitmentMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsDomain_9b9a3297-5124-44fc-b51c-9f8678e56e14" xlink:to="loc_exc_RemainingCommitmentMember_aed1c996-b125-4433-910b-5298c7b8a40d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsLineItems_55ce819d-c534-439a-b3a0-708f817b5d1b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCommitmentsLineItems"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsTable_5eaa43d0-dc0f-49a0-8474-d2291df83462" xlink:to="loc_us-gaap_OtherCommitmentsLineItems_55ce819d-c534-439a-b3a0-708f817b5d1b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitment_9346a8d5-7b9a-4a7c-b00f-6f0105e70feb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCommitment"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_55ce819d-c534-439a-b3a0-708f817b5d1b" xlink:to="loc_us-gaap_OtherCommitment_9346a8d5-7b9a-4a7c-b00f-6f0105e70feb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/CommitmentsandContingenciesScheduleofCommercialCommitmentsDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#CommitmentsandContingenciesScheduleofCommercialCommitmentsDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/CommitmentsandContingenciesScheduleofCommercialCommitmentsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_ac6650d6-32db-4f0e-8566-0ac112828d6b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_2c88bce1-fdbb-4a36-b91b-a3749b88dd21" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfGuaranteeObligationsTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_ac6650d6-32db-4f0e-8566-0ac112828d6b" xlink:to="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_2c88bce1-fdbb-4a36-b91b-a3749b88dd21" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_00e4eb00-e67a-451e-bd45-cd9c431568cc" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_2c88bce1-fdbb-4a36-b91b-a3749b88dd21" xlink:to="loc_srt_RangeAxis_00e4eb00-e67a-451e-bd45-cd9c431568cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_efbd65d6-edfb-4a08-9478-13a27e1900a2" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_00e4eb00-e67a-451e-bd45-cd9c431568cc" xlink:to="loc_srt_RangeMember_efbd65d6-edfb-4a08-9478-13a27e1900a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_70eef321-5e77-4077-9780-4dde4914f8ad" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MinimumMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_efbd65d6-edfb-4a08-9478-13a27e1900a2" xlink:to="loc_srt_MinimumMember_70eef321-5e77-4077-9780-4dde4914f8ad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_4c891c4c-2e2e-4f25-8e5c-dd8af0905f31" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MaximumMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_efbd65d6-edfb-4a08-9478-13a27e1900a2" xlink:to="loc_srt_MaximumMember_4c891c4c-2e2e-4f25-8e5c-dd8af0905f31" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_903ebd5f-0f17-4f69-9bcf-b7383c98c9d6" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_2c88bce1-fdbb-4a36-b91b-a3749b88dd21" xlink:to="loc_dei_LegalEntityAxis_903ebd5f-0f17-4f69-9bcf-b7383c98c9d6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_146af58d-c72c-420d-ab7b-4b3efc87dd1b" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_903ebd5f-0f17-4f69-9bcf-b7383c98c9d6" xlink:to="loc_dei_EntityDomain_146af58d-c72c-420d-ab7b-4b3efc87dd1b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_59a4e64f-c4c8-41c4-91f2-4b5b5dbbc126" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_146af58d-c72c-420d-ab7b-4b3efc87dd1b" xlink:to="loc_exc_ExelonGenerationCoLLCMember_59a4e64f-c4c8-41c4-91f2-4b5b5dbbc126" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_ca12c4f5-e34e-4c86-a35f-4367a1609b50" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_146af58d-c72c-420d-ab7b-4b3efc87dd1b" xlink:to="loc_exc_CommonwealthEdisonCoMember_ca12c4f5-e34e-4c86-a35f-4367a1609b50" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_7f1a7bc2-85d7-43df-b594-cd354be434b9" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_146af58d-c72c-420d-ab7b-4b3efc87dd1b" xlink:to="loc_exc_PecoEnergyCoMember_7f1a7bc2-85d7-43df-b594-cd354be434b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_38a70275-3158-4871-9b03-2a840982a2bd" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_146af58d-c72c-420d-ab7b-4b3efc87dd1b" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_38a70275-3158-4871-9b03-2a840982a2bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_e8e284bf-de5f-432b-af28-4f6c77526b41" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_146af58d-c72c-420d-ab7b-4b3efc87dd1b" xlink:to="loc_exc_PepcoHoldingsLLCMember_e8e284bf-de5f-432b-af28-4f6c77526b41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_8105a3f3-47b0-41a4-8e97-49a3fd68f9d7" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_146af58d-c72c-420d-ab7b-4b3efc87dd1b" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_8105a3f3-47b0-41a4-8e97-49a3fd68f9d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_8d71ea74-ff70-43fd-958d-1b6c68a3631c" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_146af58d-c72c-420d-ab7b-4b3efc87dd1b" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_8d71ea74-ff70-43fd-958d-1b6c68a3631c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_38cba9a5-ea6f-47ee-9187-37c244e4cbfc" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_146af58d-c72c-420d-ab7b-4b3efc87dd1b" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_38cba9a5-ea6f-47ee-9187-37c244e4cbfc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsAxis_c5e2fb3e-76dc-4123-b129-5c9ec5d57971" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCommitmentsAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_2c88bce1-fdbb-4a36-b91b-a3749b88dd21" xlink:to="loc_us-gaap_OtherCommitmentsAxis_c5e2fb3e-76dc-4123-b129-5c9ec5d57971" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsDomain_f3f4cbc0-cb05-43ba-bb1f-1c73b7dd8a0c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCommitmentsDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsAxis_c5e2fb3e-76dc-4123-b129-5c9ec5d57971" xlink:to="loc_us-gaap_OtherCommitmentsDomain_f3f4cbc0-cb05-43ba-bb1f-1c73b7dd8a0c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialStandbyLetterOfCreditMember_e8dc2762-34ca-4973-a8c6-a3ebccc825e3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinancialStandbyLetterOfCreditMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsDomain_f3f4cbc0-cb05-43ba-bb1f-1c73b7dd8a0c" xlink:to="loc_us-gaap_FinancialStandbyLetterOfCreditMember_e8dc2762-34ca-4973-a8c6-a3ebccc825e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SuretyBondMember_382f0b66-8f05-46a6-9e4e-180128c8ab93" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SuretyBondMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsDomain_f3f4cbc0-cb05-43ba-bb1f-1c73b7dd8a0c" xlink:to="loc_us-gaap_SuretyBondMember_382f0b66-8f05-46a6-9e4e-180128c8ab93" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeOfIndebtednessOfOthersMember_857fc20b-9f73-4ee9-b1a9-1dc4a2f0fb8e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GuaranteeOfIndebtednessOfOthersMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsDomain_f3f4cbc0-cb05-43ba-bb1f-1c73b7dd8a0c" xlink:to="loc_us-gaap_GuaranteeOfIndebtednessOfOthersMember_857fc20b-9f73-4ee9-b1a9-1dc4a2f0fb8e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsMember_a43678fb-8111-4e2d-a057-1738437d5ecd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GuaranteeObligationsMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsDomain_f3f4cbc0-cb05-43ba-bb1f-1c73b7dd8a0c" xlink:to="loc_us-gaap_GuaranteeObligationsMember_a43678fb-8111-4e2d-a057-1738437d5ecd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StandbyLettersOfCreditMember_fd5ff9d1-fee3-40c3-8e9e-97d928642950" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StandbyLettersOfCreditMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsDomain_f3f4cbc0-cb05-43ba-bb1f-1c73b7dd8a0c" xlink:to="loc_us-gaap_StandbyLettersOfCreditMember_fd5ff9d1-fee3-40c3-8e9e-97d928642950" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsLineItems_d36b284b-15ff-45f7-a2e9-8b47f3872616" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCommitmentsLineItems"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_2c88bce1-fdbb-4a36-b91b-a3749b88dd21" xlink:to="loc_us-gaap_OtherCommitmentsLineItems_d36b284b-15ff-45f7-a2e9-8b47f3872616" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitment_8abcafd6-f5e1-4a92-ac93-e501b9b4c5aa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCommitment"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_d36b284b-15ff-45f7-a2e9-8b47f3872616" xlink:to="loc_us-gaap_OtherCommitment_8abcafd6-f5e1-4a92-ac93-e501b9b4c5aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsFutureMinimumPaymentsRemainderOfFiscalYear_8f905bef-da29-499c-9909-03087336e094" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCommitmentsFutureMinimumPaymentsRemainderOfFiscalYear"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_d36b284b-15ff-45f7-a2e9-8b47f3872616" xlink:to="loc_us-gaap_OtherCommitmentsFutureMinimumPaymentsRemainderOfFiscalYear_8f905bef-da29-499c-9909-03087336e094" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentDueInNextTwelveMonths_c561069f-f9b7-4c32-970e-444c42c1812b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCommitmentDueInNextTwelveMonths"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_d36b284b-15ff-45f7-a2e9-8b47f3872616" xlink:to="loc_us-gaap_OtherCommitmentDueInNextTwelveMonths_c561069f-f9b7-4c32-970e-444c42c1812b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentDueInSecondYear_34d0dfe9-9e92-493b-aa99-b05330609516" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCommitmentDueInSecondYear"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_d36b284b-15ff-45f7-a2e9-8b47f3872616" xlink:to="loc_us-gaap_OtherCommitmentDueInSecondYear_34d0dfe9-9e92-493b-aa99-b05330609516" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentDueInThirdYear_eba323e8-76ef-4ff7-a871-68409eb66d9f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCommitmentDueInThirdYear"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_d36b284b-15ff-45f7-a2e9-8b47f3872616" xlink:to="loc_us-gaap_OtherCommitmentDueInThirdYear_eba323e8-76ef-4ff7-a871-68409eb66d9f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentDueInFourthYear_1ed4b254-cf51-434a-8c7e-15d844b28da4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCommitmentDueInFourthYear"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_d36b284b-15ff-45f7-a2e9-8b47f3872616" xlink:to="loc_us-gaap_OtherCommitmentDueInFourthYear_1ed4b254-cf51-434a-8c7e-15d844b28da4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentDueInFifthYear_2f9c5f26-6f08-44bf-a716-9fa8ec499685" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCommitmentDueInFifthYear"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_d36b284b-15ff-45f7-a2e9-8b47f3872616" xlink:to="loc_us-gaap_OtherCommitmentDueInFifthYear_2f9c5f26-6f08-44bf-a716-9fa8ec499685" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentDueAfterFifthYear_b81eef9b-ff40-4eff-aeb7-80213bedf385" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCommitmentDueAfterFifthYear"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_d36b284b-15ff-45f7-a2e9-8b47f3872616" xlink:to="loc_us-gaap_OtherCommitmentDueAfterFifthYear_b81eef9b-ff40-4eff-aeb7-80213bedf385" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeaseTermOfContract_28d9a60e-94d7-473b-81fc-1fbaa13dfb41" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LessorOperatingLeaseTermOfContract"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_d36b284b-15ff-45f7-a2e9-8b47f3872616" xlink:to="loc_us-gaap_LessorOperatingLeaseTermOfContract_28d9a60e-94d7-473b-81fc-1fbaa13dfb41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsMaximumExposure_6c7544d3-c915-467e-99d9-8c96cfdaa443" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GuaranteeObligationsMaximumExposure"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_d36b284b-15ff-45f7-a2e9-8b47f3872616" xlink:to="loc_us-gaap_GuaranteeObligationsMaximumExposure_6c7544d3-c915-467e-99d9-8c96cfdaa443" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/CommitmentsandContingenciesScheduleofAccrualsforEnvironmentalMattersDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#CommitmentsandContingenciesScheduleofAccrualsforEnvironmentalMattersDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/CommitmentsandContingenciesScheduleofAccrualsforEnvironmentalMattersDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_e0cf92bc-b448-4536-a835-3919048ec537" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SiteContingencyTable_968a50a3-2854-4081-a522-ab07c9f23d94" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SiteContingencyTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_e0cf92bc-b448-4536-a835-3919048ec537" xlink:to="loc_us-gaap_SiteContingencyTable_968a50a3-2854-4081-a522-ab07c9f23d94" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalRemediationSiteAxis_40e2e17e-1eb8-4b4c-b57a-bcf529f4c5bd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EnvironmentalRemediationSiteAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SiteContingencyTable_968a50a3-2854-4081-a522-ab07c9f23d94" xlink:to="loc_us-gaap_EnvironmentalRemediationSiteAxis_40e2e17e-1eb8-4b4c-b57a-bcf529f4c5bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalRemediationSiteDomain_3e796394-2a92-47a1-ab20-823d3e491184" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EnvironmentalRemediationSiteDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EnvironmentalRemediationSiteAxis_40e2e17e-1eb8-4b4c-b57a-bcf529f4c5bd" xlink:to="loc_us-gaap_EnvironmentalRemediationSiteDomain_3e796394-2a92-47a1-ab20-823d3e491184" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AccrualForMgpInvestigationAndRemediationMember_8b3c4a8a-af1d-4fb2-a6dc-a582612ed9af" xlink:href="exc-20220930.xsd#exc_AccrualForMgpInvestigationAndRemediationMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EnvironmentalRemediationSiteDomain_3e796394-2a92-47a1-ab20-823d3e491184" xlink:to="loc_exc_AccrualForMgpInvestigationAndRemediationMember_8b3c4a8a-af1d-4fb2-a6dc-a582612ed9af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_f78ed502-0877-4f88-86c5-1848422888f5" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SiteContingencyTable_968a50a3-2854-4081-a522-ab07c9f23d94" xlink:to="loc_dei_LegalEntityAxis_f78ed502-0877-4f88-86c5-1848422888f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_7dd043d8-92bf-4d65-a53f-bb51acbde692" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_f78ed502-0877-4f88-86c5-1848422888f5" xlink:to="loc_dei_EntityDomain_7dd043d8-92bf-4d65-a53f-bb51acbde692" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_b24abccb-18fa-4c30-b7fb-25af9d98ae30" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7dd043d8-92bf-4d65-a53f-bb51acbde692" xlink:to="loc_exc_ExelonGenerationCoLLCMember_b24abccb-18fa-4c30-b7fb-25af9d98ae30" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_73173f06-4f8d-423c-9b00-603e64024024" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7dd043d8-92bf-4d65-a53f-bb51acbde692" xlink:to="loc_exc_CommonwealthEdisonCoMember_73173f06-4f8d-423c-9b00-603e64024024" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_ae1b76bd-d1f2-4407-bf02-f7d3e10cce25" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7dd043d8-92bf-4d65-a53f-bb51acbde692" xlink:to="loc_exc_PecoEnergyCoMember_ae1b76bd-d1f2-4407-bf02-f7d3e10cce25" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_70e8f9b9-4b90-4a42-a44b-39783249d0a3" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7dd043d8-92bf-4d65-a53f-bb51acbde692" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_70e8f9b9-4b90-4a42-a44b-39783249d0a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_18573f51-65de-4a5a-b1c1-fdfe6bd0ab9b" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7dd043d8-92bf-4d65-a53f-bb51acbde692" xlink:to="loc_exc_PepcoHoldingsLLCMember_18573f51-65de-4a5a-b1c1-fdfe6bd0ab9b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_d07695e6-9ab8-4629-8901-f51a0a73819c" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7dd043d8-92bf-4d65-a53f-bb51acbde692" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_d07695e6-9ab8-4629-8901-f51a0a73819c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_85c5a84b-a796-4b4a-b360-eecf3b5bf7f6" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7dd043d8-92bf-4d65-a53f-bb51acbde692" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_85c5a84b-a796-4b4a-b360-eecf3b5bf7f6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_99e29b57-9ac2-4bc4-a4d2-e8a977f6b938" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7dd043d8-92bf-4d65-a53f-bb51acbde692" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_99e29b57-9ac2-4bc4-a4d2-e8a977f6b938" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SiteContingencyLineItems_993e8b02-dbda-48c8-a5c8-55ea78f685f0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SiteContingencyLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SiteContingencyTable_968a50a3-2854-4081-a522-ab07c9f23d94" xlink:to="loc_us-gaap_SiteContingencyLineItems_993e8b02-dbda-48c8-a5c8-55ea78f685f0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingenciesGross_aa95e6b2-fd4e-4f92-be96-83132b48fb42" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesGross"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SiteContingencyLineItems_993e8b02-dbda-48c8-a5c8-55ea78f685f0" xlink:to="loc_us-gaap_AccrualForEnvironmentalLossContingenciesGross_aa95e6b2-fd4e-4f92-be96-83132b48fb42" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/ShareholdersEquityDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#ShareholdersEquityDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/ShareholdersEquityDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityAbstract_13f27ba0-ee21-439c-acd2-bd51245bbfe7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_9777842a-8df5-4be2-8629-8f16afa70f41" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_13f27ba0-ee21-439c-acd2-bd51245bbfe7" xlink:to="loc_us-gaap_StatementTable_9777842a-8df5-4be2-8629-8f16afa70f41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EquitySecuritiesOfferingAxis_75904fb1-6f6a-49dc-96b2-7edd10fe6a1d" xlink:href="exc-20220930.xsd#exc_EquitySecuritiesOfferingAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_9777842a-8df5-4be2-8629-8f16afa70f41" xlink:to="loc_exc_EquitySecuritiesOfferingAxis_75904fb1-6f6a-49dc-96b2-7edd10fe6a1d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EquitySecuritiesOfferingDomain_662d75ed-8da0-49ff-9c5d-b2822fa5b0a7" xlink:href="exc-20220930.xsd#exc_EquitySecuritiesOfferingDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_EquitySecuritiesOfferingAxis_75904fb1-6f6a-49dc-96b2-7edd10fe6a1d" xlink:to="loc_exc_EquitySecuritiesOfferingDomain_662d75ed-8da0-49ff-9c5d-b2822fa5b0a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_InitialEquitySecuritiesOfferingMember_d129ae08-23fb-4850-b146-8a78799d20d3" xlink:href="exc-20220930.xsd#exc_InitialEquitySecuritiesOfferingMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_EquitySecuritiesOfferingDomain_662d75ed-8da0-49ff-9c5d-b2822fa5b0a7" xlink:to="loc_exc_InitialEquitySecuritiesOfferingMember_d129ae08-23fb-4850-b146-8a78799d20d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AdditionalEquitySecuritiesOfferingMember_ea04061c-07c5-478a-ba2a-b916b897751b" xlink:href="exc-20220930.xsd#exc_AdditionalEquitySecuritiesOfferingMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_EquitySecuritiesOfferingDomain_662d75ed-8da0-49ff-9c5d-b2822fa5b0a7" xlink:to="loc_exc_AdditionalEquitySecuritiesOfferingMember_ea04061c-07c5-478a-ba2a-b916b897751b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_74294544-3112-4c45-be58-4e812c41e6b9" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_9777842a-8df5-4be2-8629-8f16afa70f41" xlink:to="loc_srt_ConsolidationItemsAxis_74294544-3112-4c45-be58-4e812c41e6b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_8d47efb6-abbe-44df-8657-ca9b0ca91fa0" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_74294544-3112-4c45-be58-4e812c41e6b9" xlink:to="loc_srt_ConsolidationItemsDomain_8d47efb6-abbe-44df-8657-ca9b0ca91fa0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_a622aa93-c488-40c6-97f2-ba0928a2cdc5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CorporateNonSegmentMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_8d47efb6-abbe-44df-8657-ca9b0ca91fa0" xlink:to="loc_us-gaap_CorporateNonSegmentMember_a622aa93-c488-40c6-97f2-ba0928a2cdc5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_7adc3a0b-e7d8-4a49-a592-14fb4c234edd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_9777842a-8df5-4be2-8629-8f16afa70f41" xlink:to="loc_us-gaap_DebtInstrumentAxis_7adc3a0b-e7d8-4a49-a592-14fb4c234edd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_4c27631f-cee8-4241-8c74-b5c2b108b4b1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_7adc3a0b-e7d8-4a49-a592-14fb4c234edd" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_4c27631f-cee8-4241-8c74-b5c2b108b4b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ShortTermDebtSOFRplus075Jan2023Member_c9a9b3d0-f235-4347-97ba-35a7b9ed7950" xlink:href="exc-20220930.xsd#exc_ShortTermDebtSOFRplus075Jan2023Member"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_4c27631f-cee8-4241-8c74-b5c2b108b4b1" xlink:to="loc_exc_ShortTermDebtSOFRplus075Jan2023Member_c9a9b3d0-f235-4347-97ba-35a7b9ed7950" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_7c0c7901-6093-46fc-b9ae-1eb56e5ba1d7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_9777842a-8df5-4be2-8629-8f16afa70f41" xlink:to="loc_us-gaap_StatementLineItems_7c0c7901-6093-46fc-b9ae-1eb56e5ba1d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_68175624-d726-4ca3-8d95-d5d621a7fb18" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_7c0c7901-6093-46fc-b9ae-1eb56e5ba1d7" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_68175624-d726-4ca3-8d95-d5d621a7fb18" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharePrice_4444bcd4-900b-4102-b9bb-b838304826f3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharePrice"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_7c0c7901-6093-46fc-b9ae-1eb56e5ba1d7" xlink:to="loc_us-gaap_SharePrice_4444bcd4-900b-4102-b9bb-b838304826f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOrSaleOfEquity_dcd1e094-a0ba-468d-b384-1c709fc6c8ca" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromIssuanceOrSaleOfEquity"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_7c0c7901-6093-46fc-b9ae-1eb56e5ba1d7" xlink:to="loc_us-gaap_ProceedsFromIssuanceOrSaleOfEquity_dcd1e094-a0ba-468d-b384-1c709fc6c8ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfDebt_f4855563-90ba-451a-80d6-fb9e2b8304b7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromRepaymentsOfDebt"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_7c0c7901-6093-46fc-b9ae-1eb56e5ba1d7" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfDebt_f4855563-90ba-451a-80d6-fb9e2b8304b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBankLoansAndNotesPayable_33a1981d-d321-4134-9c53-e9d39c3f7ebb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortTermBankLoansAndNotesPayable"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_7c0c7901-6093-46fc-b9ae-1eb56e5ba1d7" xlink:to="loc_us-gaap_ShortTermBankLoansAndNotesPayable_33a1981d-d321-4134-9c53-e9d39c3f7ebb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EquityDistributionAgreement_838edcbd-55dc-4396-af7b-bdaa3edbc942" xlink:href="exc-20220930.xsd#exc_EquityDistributionAgreement"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_7c0c7901-6093-46fc-b9ae-1eb56e5ba1d7" xlink:to="loc_exc_EquityDistributionAgreement_838edcbd-55dc-4396-af7b-bdaa3edbc942" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/ChangesinAccumulatedOtherComprehensiveIncomeScheduleofChangesinAOCIDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#ChangesinAccumulatedOtherComprehensiveIncomeScheduleofChangesinAOCIDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/ChangesinAccumulatedOtherComprehensiveIncomeScheduleofChangesinAOCIDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_exc_ChangesinAccumulatedOtherComprehensiveIncomeAbstract_deb1aeff-02e0-4bd2-951f-2869f893f9a7" xlink:href="exc-20220930.xsd#exc_ChangesinAccumulatedOtherComprehensiveIncomeAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_624883dd-fcb8-44d5-93fb-8c5339a846a1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ChangesinAccumulatedOtherComprehensiveIncomeAbstract_deb1aeff-02e0-4bd2-951f-2869f893f9a7" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_624883dd-fcb8-44d5-93fb-8c5339a846a1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_921ff43f-f481-4c1f-a1fa-49be14bc0cc6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementEquityComponentsAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_624883dd-fcb8-44d5-93fb-8c5339a846a1" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_921ff43f-f481-4c1f-a1fa-49be14bc0cc6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_76fb8b9d-7ce7-4e6d-b82d-b9c1369ca4a4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_921ff43f-f481-4c1f-a1fa-49be14bc0cc6" xlink:to="loc_us-gaap_EquityComponentDomain_76fb8b9d-7ce7-4e6d-b82d-b9c1369ca4a4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_1c2afb52-3de5-4ff5-b064-a450dc79035e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_76fb8b9d-7ce7-4e6d-b82d-b9c1369ca4a4" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_1c2afb52-3de5-4ff5-b064-a450dc79035e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_e32f4448-2f73-4310-b0ee-f6336143e6d2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_76fb8b9d-7ce7-4e6d-b82d-b9c1369ca4a4" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_e32f4448-2f73-4310-b0ee-f6336143e6d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_d5d778a3-6f18-423a-a52f-276d11efbe32" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedTranslationAdjustmentMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_76fb8b9d-7ce7-4e6d-b82d-b9c1369ca4a4" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_d5d778a3-6f18-423a-a52f-276d11efbe32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_609fb15a-a6c2-4d63-9526-3c173105d752" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_76fb8b9d-7ce7-4e6d-b82d-b9c1369ca4a4" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_609fb15a-a6c2-4d63-9526-3c173105d752" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_9762b597-3f11-4d7e-b40e-1d299bb566a1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_624883dd-fcb8-44d5-93fb-8c5339a846a1" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_9762b597-3f11-4d7e-b40e-1d299bb566a1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_6dcf7017-96d8-4db4-bd2e-ba7c20fc8eeb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_9762b597-3f11-4d7e-b40e-1d299bb566a1" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_6dcf7017-96d8-4db4-bd2e-ba7c20fc8eeb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_9068da76-709c-456b-94e9-c8e124bec328" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_6dcf7017-96d8-4db4-bd2e-ba7c20fc8eeb" xlink:to="loc_exc_ExelonGenerationCoLLCMember_9068da76-709c-456b-94e9-c8e124bec328" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_39ef5791-79bd-4c73-b808-f33b36ae6076" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BalanceSheetLocationAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_624883dd-fcb8-44d5-93fb-8c5339a846a1" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_39ef5791-79bd-4c73-b808-f33b36ae6076" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_fab94bf4-825e-4ee0-b67b-1cd8c8906140" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BalanceSheetLocationDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_39ef5791-79bd-4c73-b808-f33b36ae6076" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_fab94bf4-825e-4ee0-b67b-1cd8c8906140" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_e4724235-4ab4-4326-a8b8-c608c18a9e0c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_fab94bf4-825e-4ee0-b67b-1cd8c8906140" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_e4724235-4ab4-4326-a8b8-c608c18a9e0c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_88b1c267-db0b-4356-ba11-dd96c074a1e8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_624883dd-fcb8-44d5-93fb-8c5339a846a1" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_88b1c267-db0b-4356-ba11-dd96c074a1e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_MovementinAccumulatedOtherComprehensiveIncomeRollForward_90681e81-fbcb-4a26-985c-b7482f725cf6" xlink:href="exc-20220930.xsd#exc_MovementinAccumulatedOtherComprehensiveIncomeRollForward"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_88b1c267-db0b-4356-ba11-dd96c074a1e8" xlink:to="loc_exc_MovementinAccumulatedOtherComprehensiveIncomeRollForward_90681e81-fbcb-4a26-985c-b7482f725cf6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_c1f17a66-0bdb-4191-bbb8-4a7f1ee0417c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_MovementinAccumulatedOtherComprehensiveIncomeRollForward_90681e81-fbcb-4a26-985c-b7482f725cf6" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_c1f17a66-0bdb-4191-bbb8-4a7f1ee0417c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_e1e946fb-46ef-4dbd-920d-d79198661d3c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_MovementinAccumulatedOtherComprehensiveIncomeRollForward_90681e81-fbcb-4a26-985c-b7482f725cf6" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_e1e946fb-46ef-4dbd-920d-d79198661d3c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_62509b79-901c-4cda-a37a-7d083f2ea372" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_MovementinAccumulatedOtherComprehensiveIncomeRollForward_90681e81-fbcb-4a26-985c-b7482f725cf6" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_62509b79-901c-4cda-a37a-7d083f2ea372" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_4ff794d7-b004-49a3-b415-0a62b6d4c097" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_MovementinAccumulatedOtherComprehensiveIncomeRollForward_90681e81-fbcb-4a26-985c-b7482f725cf6" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_4ff794d7-b004-49a3-b415-0a62b6d4c097" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_5bf4c7c5-47da-4de7-bbd4-bdeeec930826" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_MovementinAccumulatedOtherComprehensiveIncomeRollForward_90681e81-fbcb-4a26-985c-b7482f725cf6" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_5bf4c7c5-47da-4de7-bbd4-bdeeec930826" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/ChangesinAccumulatedOtherComprehensiveIncomeIncomeTaxesAllocatedtoOtherComprehensiveIncomeLossComponentsDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#ChangesinAccumulatedOtherComprehensiveIncomeIncomeTaxesAllocatedtoOtherComprehensiveIncomeLossComponentsDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/ChangesinAccumulatedOtherComprehensiveIncomeIncomeTaxesAllocatedtoOtherComprehensiveIncomeLossComponentsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_exc_ChangesinAccumulatedOtherComprehensiveIncomeAbstract_1531cfe4-1ae1-40e7-b50d-121f64095388" xlink:href="exc-20220930.xsd#exc_ChangesinAccumulatedOtherComprehensiveIncomeAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_14252b3a-b58b-41f7-9419-475db63ee2b4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ChangesinAccumulatedOtherComprehensiveIncomeAbstract_1531cfe4-1ae1-40e7-b50d-121f64095388" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_14252b3a-b58b-41f7-9419-475db63ee2b4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_e0492fb3-950c-49e6-ac17-999f8d13e8b8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementEquityComponentsAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_14252b3a-b58b-41f7-9419-475db63ee2b4" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_e0492fb3-950c-49e6-ac17-999f8d13e8b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_7ee32e3e-6e62-46b6-b3ae-05a11c421bf5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_e0492fb3-950c-49e6-ac17-999f8d13e8b8" xlink:to="loc_us-gaap_EquityComponentDomain_7ee32e3e-6e62-46b6-b3ae-05a11c421bf5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember_4d7e066f-cde9-404e-a7ac-53bf1357a576" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_7ee32e3e-6e62-46b6-b3ae-05a11c421bf5" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember_4d7e066f-cde9-404e-a7ac-53bf1357a576" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_f384cf77-7a48-48c6-ae01-3868c2ec8b6a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_7ee32e3e-6e62-46b6-b3ae-05a11c421bf5" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_f384cf77-7a48-48c6-ae01-3868c2ec8b6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_8c53360a-473d-4032-8204-288ce1dfe75a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_7ee32e3e-6e62-46b6-b3ae-05a11c421bf5" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_8c53360a-473d-4032-8204-288ce1dfe75a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_617cf13f-f0c2-4c0b-9166-b31d40796d94" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_14252b3a-b58b-41f7-9419-475db63ee2b4" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_617cf13f-f0c2-4c0b-9166-b31d40796d94" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_8e262e4f-df44-476a-a036-6ef66981bd53" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossTax"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_617cf13f-f0c2-4c0b-9166-b31d40796d94" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTax_8e262e4f-df44-476a-a036-6ef66981bd53" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/SupplementalFinancialInformationOperationsDetail" xlink:type="simple" xlink:href="exc-20220930.xsd#SupplementalFinancialInformationOperationsDetail"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/SupplementalFinancialInformationOperationsDetail" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalFinancialInformationAbstract_80862cf9-36fc-4f87-b027-0dfabc978bab" xlink:href="exc-20220930.xsd#exc_SupplementalFinancialInformationAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalStatementofOperationsInformationTable_55f83bda-26a7-437f-b33c-0be4192b312d" xlink:href="exc-20220930.xsd#exc_SupplementalStatementofOperationsInformationTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalFinancialInformationAbstract_80862cf9-36fc-4f87-b027-0dfabc978bab" xlink:to="loc_exc_SupplementalStatementofOperationsInformationTable_55f83bda-26a7-437f-b33c-0be4192b312d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_bddef27d-3442-4351-a641-6c5c6609ad61" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalStatementofOperationsInformationTable_55f83bda-26a7-437f-b33c-0be4192b312d" xlink:to="loc_dei_LegalEntityAxis_bddef27d-3442-4351-a641-6c5c6609ad61" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_2e36fe50-58e5-4a77-a100-f3ce0e85d0dc" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_bddef27d-3442-4351-a641-6c5c6609ad61" xlink:to="loc_dei_EntityDomain_2e36fe50-58e5-4a77-a100-f3ce0e85d0dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_cbc254c3-1757-4b15-b6fd-8e0667518e1c" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e36fe50-58e5-4a77-a100-f3ce0e85d0dc" xlink:to="loc_exc_CommonwealthEdisonCoMember_cbc254c3-1757-4b15-b6fd-8e0667518e1c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_2a9a6aa6-791c-4870-a095-7d1b8e46fc3d" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e36fe50-58e5-4a77-a100-f3ce0e85d0dc" xlink:to="loc_exc_PecoEnergyCoMember_2a9a6aa6-791c-4870-a095-7d1b8e46fc3d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_eb4be583-9ae2-4f49-9148-c715845b59b2" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e36fe50-58e5-4a77-a100-f3ce0e85d0dc" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_eb4be583-9ae2-4f49-9148-c715845b59b2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_9a5b12a6-32a9-4b2b-8856-e9f5b798e556" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e36fe50-58e5-4a77-a100-f3ce0e85d0dc" xlink:to="loc_exc_PepcoHoldingsLLCMember_9a5b12a6-32a9-4b2b-8856-e9f5b798e556" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_0e605a26-5654-4621-9a36-05a9fdd1753c" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e36fe50-58e5-4a77-a100-f3ce0e85d0dc" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_0e605a26-5654-4621-9a36-05a9fdd1753c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_1bb754d0-a35d-4368-b329-a306100865da" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e36fe50-58e5-4a77-a100-f3ce0e85d0dc" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_1bb754d0-a35d-4368-b329-a306100865da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_60a19fe2-bb28-4996-8bcf-3328eedf3d76" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e36fe50-58e5-4a77-a100-f3ce0e85d0dc" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_60a19fe2-bb28-4996-8bcf-3328eedf3d76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalStatementofOperationsInformationLineItems_2600803a-389e-4cc8-9b04-8d90f2381c7e" xlink:href="exc-20220930.xsd#exc_SupplementalStatementofOperationsInformationLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalStatementofOperationsInformationTable_55f83bda-26a7-437f-b33c-0be4192b312d" xlink:to="loc_exc_SupplementalStatementofOperationsInformationLineItems_2600803a-389e-4cc8-9b04-8d90f2381c7e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_5e400fbc-abff-486c-ae11-e93a835a2dab" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNonoperatingIncomeExpenseAbstract"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalStatementofOperationsInformationLineItems_2600803a-389e-4cc8-9b04-8d90f2381c7e" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_5e400fbc-abff-486c-ae11-e93a835a2dab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_ea9fa175-0f2f-43a7-9d33-0aa2d6d9e040" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_5e400fbc-abff-486c-ae11-e93a835a2dab" xlink:to="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_ea9fa175-0f2f-43a7-9d33-0aa2d6d9e040" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_9f3259d2-246a-4d70-9429-d4a1b9e1d814" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_5e400fbc-abff-486c-ae11-e93a835a2dab" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_9f3259d2-246a-4d70-9429-d4a1b9e1d814" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/SupplementalFinancialInformationTaxesOtherThanIncomeTaxesDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#SupplementalFinancialInformationTaxesOtherThanIncomeTaxesDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/SupplementalFinancialInformationTaxesOtherThanIncomeTaxesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalFinancialInformationAbstract_7de1f216-93c3-432a-8c4d-bc44560f9e8a" xlink:href="exc-20220930.xsd#exc_SupplementalFinancialInformationAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalStatementofOperationsInformationTable_d7336947-609f-4275-923d-deac36779b07" xlink:href="exc-20220930.xsd#exc_SupplementalStatementofOperationsInformationTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalFinancialInformationAbstract_7de1f216-93c3-432a-8c4d-bc44560f9e8a" xlink:to="loc_exc_SupplementalStatementofOperationsInformationTable_d7336947-609f-4275-923d-deac36779b07" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_135ea9f0-320c-4dcf-9dd4-442ac9e93934" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalStatementofOperationsInformationTable_d7336947-609f-4275-923d-deac36779b07" xlink:to="loc_dei_LegalEntityAxis_135ea9f0-320c-4dcf-9dd4-442ac9e93934" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_848e01af-2a0d-4cbf-96e6-8771c6681f0d" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_135ea9f0-320c-4dcf-9dd4-442ac9e93934" xlink:to="loc_dei_EntityDomain_848e01af-2a0d-4cbf-96e6-8771c6681f0d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_88eabc9f-d945-43d3-9750-2ecd16e592d2" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_848e01af-2a0d-4cbf-96e6-8771c6681f0d" xlink:to="loc_exc_CommonwealthEdisonCoMember_88eabc9f-d945-43d3-9750-2ecd16e592d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_7b524b0c-0610-491c-8c82-f66ce691544f" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_848e01af-2a0d-4cbf-96e6-8771c6681f0d" xlink:to="loc_exc_PecoEnergyCoMember_7b524b0c-0610-491c-8c82-f66ce691544f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_b6064139-1cc4-46c4-9201-2de3898e4d1d" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_848e01af-2a0d-4cbf-96e6-8771c6681f0d" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_b6064139-1cc4-46c4-9201-2de3898e4d1d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_4a19245f-6253-461d-962c-75fff17947be" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_848e01af-2a0d-4cbf-96e6-8771c6681f0d" xlink:to="loc_exc_PepcoHoldingsLLCMember_4a19245f-6253-461d-962c-75fff17947be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_879c0f69-66fd-4262-8102-1058d92905ba" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_848e01af-2a0d-4cbf-96e6-8771c6681f0d" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_879c0f69-66fd-4262-8102-1058d92905ba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_e7d20e92-2bd7-4e5a-80b3-3d6872908725" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_848e01af-2a0d-4cbf-96e6-8771c6681f0d" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_e7d20e92-2bd7-4e5a-80b3-3d6872908725" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_c23d3efb-f474-44fe-a256-9c94d54ec1fe" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_848e01af-2a0d-4cbf-96e6-8771c6681f0d" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_c23d3efb-f474-44fe-a256-9c94d54ec1fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalStatementofOperationsInformationLineItems_5c1449b7-5a17-4db9-b9a5-2fe986239ab1" xlink:href="exc-20220930.xsd#exc_SupplementalStatementofOperationsInformationLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalStatementofOperationsInformationTable_d7336947-609f-4275-923d-deac36779b07" xlink:to="loc_exc_SupplementalStatementofOperationsInformationLineItems_5c1449b7-5a17-4db9-b9a5-2fe986239ab1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilitiesOperatingExpenseTaxes_36e68aed-2206-4d5d-a604-63aeaf5b7a34" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_UtilitiesOperatingExpenseTaxes"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalStatementofOperationsInformationLineItems_5c1449b7-5a17-4db9-b9a5-2fe986239ab1" xlink:to="loc_us-gaap_UtilitiesOperatingExpenseTaxes_36e68aed-2206-4d5d-a604-63aeaf5b7a34" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateTaxExpense_de53db47-cda4-480c-8399-a9c2a52e0873" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RealEstateTaxExpense"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalStatementofOperationsInformationLineItems_5c1449b7-5a17-4db9-b9a5-2fe986239ab1" xlink:to="loc_us-gaap_RealEstateTaxExpense_de53db47-cda4-480c-8399-a9c2a52e0873" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLaborRelatedExpenses_4438f630-50d0-4a2d-b738-a31105cbe446" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherLaborRelatedExpenses"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalStatementofOperationsInformationLineItems_5c1449b7-5a17-4db9-b9a5-2fe986239ab1" xlink:to="loc_us-gaap_OtherLaborRelatedExpenses_4438f630-50d0-4a2d-b738-a31105cbe446" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/SupplementalFinancialInformationCashFlowDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#SupplementalFinancialInformationCashFlowDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/SupplementalFinancialInformationCashFlowDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalFinancialInformationAbstract_f9bf6028-c501-4643-b51f-46c2ecb5327e" xlink:href="exc-20220930.xsd#exc_SupplementalFinancialInformationAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalCashFlowInformationTable_0746a0dd-8582-4763-be14-b971e2fb94ed" xlink:href="exc-20220930.xsd#exc_SupplementalCashFlowInformationTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalFinancialInformationAbstract_f9bf6028-c501-4643-b51f-46c2ecb5327e" xlink:to="loc_exc_SupplementalCashFlowInformationTable_0746a0dd-8582-4763-be14-b971e2fb94ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_86c0900b-dd9c-46a7-8cc8-0c38a0ac3feb" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalCashFlowInformationTable_0746a0dd-8582-4763-be14-b971e2fb94ed" xlink:to="loc_dei_LegalEntityAxis_86c0900b-dd9c-46a7-8cc8-0c38a0ac3feb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_abc38a03-07cb-4867-ac0c-8a88c867ff4a" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_86c0900b-dd9c-46a7-8cc8-0c38a0ac3feb" xlink:to="loc_dei_EntityDomain_abc38a03-07cb-4867-ac0c-8a88c867ff4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_386d2aec-ce0c-4ac0-bed3-41a5fa53da52" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_abc38a03-07cb-4867-ac0c-8a88c867ff4a" xlink:to="loc_exc_CommonwealthEdisonCoMember_386d2aec-ce0c-4ac0-bed3-41a5fa53da52" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_736431e5-228c-4823-9a33-7b17b494dd24" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_abc38a03-07cb-4867-ac0c-8a88c867ff4a" xlink:to="loc_exc_PecoEnergyCoMember_736431e5-228c-4823-9a33-7b17b494dd24" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_c134b17f-9d59-4074-a111-860fae2b8d06" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_abc38a03-07cb-4867-ac0c-8a88c867ff4a" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_c134b17f-9d59-4074-a111-860fae2b8d06" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_6a51711c-44a9-4215-a846-cb1df227c7f0" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_abc38a03-07cb-4867-ac0c-8a88c867ff4a" xlink:to="loc_exc_PepcoHoldingsLLCMember_6a51711c-44a9-4215-a846-cb1df227c7f0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_8894f11e-3b57-4098-82b5-bb1beb5f9e71" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_abc38a03-07cb-4867-ac0c-8a88c867ff4a" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_8894f11e-3b57-4098-82b5-bb1beb5f9e71" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_ed16efe6-2f0a-4683-8157-eb44e5ceccd4" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_abc38a03-07cb-4867-ac0c-8a88c867ff4a" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_ed16efe6-2f0a-4683-8157-eb44e5ceccd4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_3d618785-a1ac-4e38-beac-40f20977644b" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_abc38a03-07cb-4867-ac0c-8a88c867ff4a" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_3d618785-a1ac-4e38-beac-40f20977644b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_8bc8e097-e521-4b47-bd1d-ba5f01326f7a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementOperatingActivitiesSegmentAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalCashFlowInformationTable_0746a0dd-8582-4763-be14-b971e2fb94ed" xlink:to="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_8bc8e097-e521-4b47-bd1d-ba5f01326f7a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentOperatingActivitiesDomain_87960a4e-6cf5-43d4-a914-d367b235e795" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentOperatingActivitiesDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_8bc8e097-e521-4b47-bd1d-ba5f01326f7a" xlink:to="loc_us-gaap_SegmentOperatingActivitiesDomain_87960a4e-6cf5-43d4-a914-d367b235e795" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherNonCashActivityMember_d4c79fa0-d353-4a2b-af47-52e387e09f38" xlink:href="exc-20220930.xsd#exc_OtherNonCashActivityMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentOperatingActivitiesDomain_87960a4e-6cf5-43d4-a914-d367b235e795" xlink:to="loc_exc_OtherNonCashActivityMember_d4c79fa0-d353-4a2b-af47-52e387e09f38" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ReturnOnBorrowedFundsMember_324826f1-9e5b-4549-9f39-dbdc46e3f4c5" xlink:href="exc-20220930.xsd#exc_ReturnOnBorrowedFundsMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentOperatingActivitiesDomain_87960a4e-6cf5-43d4-a914-d367b235e795" xlink:to="loc_exc_ReturnOnBorrowedFundsMember_324826f1-9e5b-4549-9f39-dbdc46e3f4c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalCashFlowInformationLineItems_42992d88-e981-4db2-9602-89348087f6b8" xlink:href="exc-20220930.xsd#exc_SupplementalCashFlowInformationLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalCashFlowInformationTable_0746a0dd-8582-4763-be14-b971e2fb94ed" xlink:to="loc_exc_SupplementalCashFlowInformationLineItems_42992d88-e981-4db2-9602-89348087f6b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNetAbstract_f5a1a752-c826-4051-8407-e72783f4edbc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DepreciationAmortizationAndAccretionNetAbstract"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalCashFlowInformationLineItems_42992d88-e981-4db2-9602-89348087f6b8" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNetAbstract_f5a1a752-c826-4051-8407-e72783f4edbc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_2df9208f-bfc3-4831-b927-280d114f69aa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Depreciation"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DepreciationAmortizationAndAccretionNetAbstract_f5a1a752-c826-4051-8407-e72783f4edbc" xlink:to="loc_us-gaap_Depreciation_2df9208f-bfc3-4831-b927-280d114f69aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfRegulatoryAsset_49488592-8840-4f80-978a-ca835b3f0a3b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AmortizationOfRegulatoryAsset"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DepreciationAmortizationAndAccretionNetAbstract_f5a1a752-c826-4051-8407-e72783f4edbc" xlink:to="loc_us-gaap_AmortizationOfRegulatoryAsset_49488592-8840-4f80-978a-ca835b3f0a3b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_948ebebc-8d26-4dea-ae9b-224c2e639c81" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DepreciationAmortizationAndAccretionNetAbstract_f5a1a752-c826-4051-8407-e72783f4edbc" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_948ebebc-8d26-4dea-ae9b-224c2e639c81" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfPowerContractsEmissionCredits_a3caab0a-eef1-4d4e-b050-45f756438d5f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AmortizationOfPowerContractsEmissionCredits"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DepreciationAmortizationAndAccretionNetAbstract_f5a1a752-c826-4051-8407-e72783f4edbc" xlink:to="loc_us-gaap_AmortizationOfPowerContractsEmissionCredits_a3caab0a-eef1-4d4e-b050-45f756438d5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfNuclearFuelLease_de4e36fe-1c44-451a-b045-c3ebc4d0f7a6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AmortizationOfNuclearFuelLease"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DepreciationAmortizationAndAccretionNetAbstract_f5a1a752-c826-4051-8407-e72783f4edbc" xlink:to="loc_us-gaap_AmortizationOfNuclearFuelLease_de4e36fe-1c44-451a-b045-c3ebc4d0f7a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationAccretionExpense_8d40bf5f-53a7-407a-8f1d-c981ed29f067" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetRetirementObligationAccretionExpense"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DepreciationAmortizationAndAccretionNetAbstract_f5a1a752-c826-4051-8407-e72783f4edbc" xlink:to="loc_us-gaap_AssetRetirementObligationAccretionExpense_8d40bf5f-53a7-407a-8f1d-c981ed29f067" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_9f2b4ed7-4e67-4986-95f1-7b1ded19f3b9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DepreciationAmortizationAndAccretionNet"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DepreciationAmortizationAndAccretionNetAbstract_f5a1a752-c826-4051-8407-e72783f4edbc" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_9f2b4ed7-4e67-4986-95f1-7b1ded19f3b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_defeaa30-55bc-42b8-b0de-e35c7240da8a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalCashFlowInformationLineItems_42992d88-e981-4db2-9602-89348087f6b8" xlink:to="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_defeaa30-55bc-42b8-b0de-e35c7240da8a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_e31a91ad-5a07-4c55-8ccc-98cff1d31438" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PensionAndOtherPostretirementBenefitExpense"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_defeaa30-55bc-42b8-b0de-e35c7240da8a" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_e31a91ad-5a07-4c55-8ccc-98cff1d31438" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_406bb11f-faa0-4cd0-a83b-dc4d137a0253" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_defeaa30-55bc-42b8-b0de-e35c7240da8a" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_406bb11f-faa0-4cd0-a83b-dc4d137a0253" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherDecommissioningRelatedActivity_996e0e0c-452a-4518-a6dc-70618eef6fe2" xlink:href="exc-20220930.xsd#exc_OtherDecommissioningRelatedActivity"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_defeaa30-55bc-42b8-b0de-e35c7240da8a" xlink:to="loc_exc_OtherDecommissioningRelatedActivity_996e0e0c-452a-4518-a6dc-70618eef6fe2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EnergyRelatedOptions_bef0f091-ea56-429f-b909-f1ca7e2fc445" xlink:href="exc-20220930.xsd#exc_EnergyRelatedOptions"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_defeaa30-55bc-42b8-b0de-e35c7240da8a" xlink:to="loc_exc_EnergyRelatedOptions_bef0f091-ea56-429f-b909-f1ca7e2fc445" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_TrueupAdjustmentstoDecouplingMechanismsandFormulaRates_9423996f-9599-4b42-8925-5c0f884c6851" xlink:href="exc-20220930.xsd#exc_TrueupAdjustmentstoDecouplingMechanismsandFormulaRates"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_defeaa30-55bc-42b8-b0de-e35c7240da8a" xlink:to="loc_exc_TrueupAdjustmentstoDecouplingMechanismsandFormulaRates_9423996f-9599-4b42-8925-5c0f884c6851" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCosts_2ddb4280-a89d-4763-9f1d-68452eef300a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestructuringCosts"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_defeaa30-55bc-42b8-b0de-e35c7240da8a" xlink:to="loc_us-gaap_RestructuringCosts_2ddb4280-a89d-4763-9f1d-68452eef300a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWriteDown_2fb9f492-1230-423e-96bc-7f5e96c431d2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryWriteDown"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_defeaa30-55bc-42b8-b0de-e35c7240da8a" xlink:to="loc_us-gaap_InventoryWriteDown_2fb9f492-1230-423e-96bc-7f5e96c431d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeBenefitsAndShareBasedCompensationNoncash_5b6df87b-6a68-4472-95b5-f53cff24d216" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeBenefitsAndShareBasedCompensationNoncash"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_defeaa30-55bc-42b8-b0de-e35c7240da8a" xlink:to="loc_us-gaap_EmployeeBenefitsAndShareBasedCompensationNoncash_5b6df87b-6a68-4472-95b5-f53cff24d216" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease_d3acbb9e-2da3-455a-9186-73e325bb6239" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_defeaa30-55bc-42b8-b0de-e35c7240da8a" xlink:to="loc_us-gaap_OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease_d3acbb9e-2da3-455a-9186-73e325bb6239" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DeferredPaymentsForLegalSettlements_a5bc0831-1f03-4aca-8a33-527d2086efde" xlink:href="exc-20220930.xsd#exc_DeferredPaymentsForLegalSettlements"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_defeaa30-55bc-42b8-b0de-e35c7240da8a" xlink:to="loc_exc_DeferredPaymentsForLegalSettlements_a5bc0831-1f03-4aca-8a33-527d2086efde" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_e78c7e5e-a9de-4163-b110-af2f1f9535e8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_defeaa30-55bc-42b8-b0de-e35c7240da8a" xlink:to="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_e78c7e5e-a9de-4163-b110-af2f1f9535e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalExpenseAndLiabilities_f96e7ac3-1e6b-43df-97eb-b72d9141db41" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EnvironmentalExpenseAndLiabilities"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_defeaa30-55bc-42b8-b0de-e35c7240da8a" xlink:to="loc_us-gaap_EnvironmentalExpenseAndLiabilities_f96e7ac3-1e6b-43df-97eb-b72d9141db41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/SupplementalFinancialInformationBalanceSheetDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#SupplementalFinancialInformationBalanceSheetDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/SupplementalFinancialInformationBalanceSheetDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalFinancialInformationAbstract_9decfde4-e94b-4b77-84ef-071629ccf60f" xlink:href="exc-20220930.xsd#exc_SupplementalFinancialInformationAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalBalanceSheetInformationTable_3087291d-46df-48a1-8a24-910a3f1dfa96" xlink:href="exc-20220930.xsd#exc_SupplementalBalanceSheetInformationTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalFinancialInformationAbstract_9decfde4-e94b-4b77-84ef-071629ccf60f" xlink:to="loc_exc_SupplementalBalanceSheetInformationTable_3087291d-46df-48a1-8a24-910a3f1dfa96" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_5ae65f15-4302-42d3-854e-de7af9b1603e" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalBalanceSheetInformationTable_3087291d-46df-48a1-8a24-910a3f1dfa96" xlink:to="loc_dei_LegalEntityAxis_5ae65f15-4302-42d3-854e-de7af9b1603e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_77053262-9049-4e27-b489-57cc454ad2c5" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_5ae65f15-4302-42d3-854e-de7af9b1603e" xlink:to="loc_dei_EntityDomain_77053262-9049-4e27-b489-57cc454ad2c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_f4386596-f2ce-4df0-830c-648f5b63f079" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_77053262-9049-4e27-b489-57cc454ad2c5" xlink:to="loc_exc_CommonwealthEdisonCoMember_f4386596-f2ce-4df0-830c-648f5b63f079" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_3da5ea35-fddf-4c2d-bfc9-b6833cc83ef6" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_77053262-9049-4e27-b489-57cc454ad2c5" xlink:to="loc_exc_PecoEnergyCoMember_3da5ea35-fddf-4c2d-bfc9-b6833cc83ef6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_369aa63b-5195-4685-b6fd-5625ae99ff0e" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_77053262-9049-4e27-b489-57cc454ad2c5" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_369aa63b-5195-4685-b6fd-5625ae99ff0e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_d1bbfe7a-3dcc-4ab2-80fd-1737f36fa912" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_77053262-9049-4e27-b489-57cc454ad2c5" xlink:to="loc_exc_PepcoHoldingsLLCMember_d1bbfe7a-3dcc-4ab2-80fd-1737f36fa912" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_0eccfbd0-7d3e-4a5c-b5ff-a8a02f6c8d99" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_77053262-9049-4e27-b489-57cc454ad2c5" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_0eccfbd0-7d3e-4a5c-b5ff-a8a02f6c8d99" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_fc60ac7b-6a75-4202-8f99-be62c80e5f15" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_77053262-9049-4e27-b489-57cc454ad2c5" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_fc60ac7b-6a75-4202-8f99-be62c80e5f15" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_6c084c3a-3d4e-46d7-8910-952b9c5f567d" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_77053262-9049-4e27-b489-57cc454ad2c5" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_6c084c3a-3d4e-46d7-8910-952b9c5f567d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PEPCOHoldingsIncMember_12956f32-b11a-4333-b329-7c9a0ae88161" xlink:href="exc-20220930.xsd#exc_PEPCOHoldingsIncMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_77053262-9049-4e27-b489-57cc454ad2c5" xlink:to="loc_exc_PEPCOHoldingsIncMember_12956f32-b11a-4333-b329-7c9a0ae88161" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalBalanceSheetInformationLineItems_64b90418-6b25-4f7e-ab1c-b36ec9c8e147" xlink:href="exc-20220930.xsd#exc_SupplementalBalanceSheetInformationLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalBalanceSheetInformationTable_3087291d-46df-48a1-8a24-910a3f1dfa96" xlink:to="loc_exc_SupplementalBalanceSheetInformationLineItems_64b90418-6b25-4f7e-ab1c-b36ec9c8e147" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_c5462184-4a22-4f84-bc97-f17ab5389d40" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalBalanceSheetInformationLineItems_64b90418-6b25-4f7e-ab1c-b36ec9c8e147" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_c5462184-4a22-4f84-bc97-f17ab5389d40" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_64be730a-8a78-412b-8db7-2d9bcc6e992c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_c5462184-4a22-4f84-bc97-f17ab5389d40" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_64be730a-8a78-412b-8db7-2d9bcc6e992c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_9f5dc676-bf0b-4836-9f40-77e1cb042f6c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_c5462184-4a22-4f84-bc97-f17ab5389d40" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_9f5dc676-bf0b-4836-9f40-77e1cb042f6c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_e3dca1f5-8b28-4d6a-a764-72085515782d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_c5462184-4a22-4f84-bc97-f17ab5389d40" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_e3dca1f5-8b28-4d6a-a764-72085515782d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_a795f517-e52f-44e3-bae5-7af459e5225f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_c5462184-4a22-4f84-bc97-f17ab5389d40" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_a795f517-e52f-44e3-bae5-7af459e5225f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_c4358698-c274-40fb-8b92-dc5c98c811ac" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_c5462184-4a22-4f84-bc97-f17ab5389d40" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_c4358698-c274-40fb-8b92-dc5c98c811ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrentAndNoncurrentAbstract_706db480-4bb3-4ebd-a01f-9cd868d2f127" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedLiabilitiesCurrentAndNoncurrentAbstract"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalBalanceSheetInformationLineItems_64b90418-6b25-4f7e-ab1c-b36ec9c8e147" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrentAndNoncurrentAbstract_706db480-4bb3-4ebd-a01f-9cd868d2f127" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AccruedCompensationCurrent_9678fc08-9123-4f87-8c95-cb2f518c14cf" xlink:href="exc-20220930.xsd#exc_AccruedCompensationCurrent"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrentAndNoncurrentAbstract_706db480-4bb3-4ebd-a01f-9cd868d2f127" xlink:to="loc_exc_AccruedCompensationCurrent_9678fc08-9123-4f87-8c95-cb2f518c14cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxesPayableCurrent_5d6d7d0d-2d70-41f4-8a30-18be72b7e5f6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TaxesPayableCurrent"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrentAndNoncurrentAbstract_706db480-4bb3-4ebd-a01f-9cd868d2f127" xlink:to="loc_us-gaap_TaxesPayableCurrent_5d6d7d0d-2d70-41f4-8a30-18be72b7e5f6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrent_d526462c-5162-470d-956d-1fb514747386" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestPayableCurrent"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrentAndNoncurrentAbstract_706db480-4bb3-4ebd-a01f-9cd868d2f127" xlink:to="loc_us-gaap_InterestPayableCurrent_d526462c-5162-470d-956d-1fb514747386" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BookOverdrafts_a25b1866-b745-4079-8b24-44bf110a25bb" xlink:href="exc-20220930.xsd#exc_BookOverdrafts"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalBalanceSheetInformationLineItems_64b90418-6b25-4f7e-ab1c-b36ec9c8e147" xlink:to="loc_exc_BookOverdrafts_a25b1866-b745-4079-8b24-44bf110a25bb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RelatedPartyTransactionsUtilityRegistrantsexpensewithGenerationDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#RelatedPartyTransactionsUtilityRegistrantsexpensewithGenerationDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RelatedPartyTransactionsUtilityRegistrantsexpensewithGenerationDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_2d3c9bf2-0291-4153-b427-2fc7f182473e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_a2c416b7-048a-4846-9302-71521c562dce" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_2d3c9bf2-0291-4153-b427-2fc7f182473e" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_a2c416b7-048a-4846-9302-71521c562dce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_c47ae69f-8107-441b-8644-85e879a18783" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_a2c416b7-048a-4846-9302-71521c562dce" xlink:to="loc_dei_LegalEntityAxis_c47ae69f-8107-441b-8644-85e879a18783" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_a2459f98-0c6d-41e0-941e-6abcade3d6ec" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_c47ae69f-8107-441b-8644-85e879a18783" xlink:to="loc_dei_EntityDomain_a2459f98-0c6d-41e0-941e-6abcade3d6ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_b78d4d6a-e701-45a0-9b28-926e268dd7c7" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_a2459f98-0c6d-41e0-941e-6abcade3d6ec" xlink:to="loc_exc_ExelonGenerationCoLLCMember_b78d4d6a-e701-45a0-9b28-926e268dd7c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_44811c47-6499-47f4-9ffa-a80668dd1b49" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_a2459f98-0c6d-41e0-941e-6abcade3d6ec" xlink:to="loc_exc_CommonwealthEdisonCoMember_44811c47-6499-47f4-9ffa-a80668dd1b49" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_49240723-6349-4dec-80e8-0cba6fc7c552" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_a2c416b7-048a-4846-9302-71521c562dce" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_49240723-6349-4dec-80e8-0cba6fc7c552" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_03246608-d2d5-4410-bec5-c7299ec2c906" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_49240723-6349-4dec-80e8-0cba6fc7c552" xlink:to="loc_us-gaap_RelatedPartyDomain_03246608-d2d5-4410-bec5-c7299ec2c906" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoAffiliateMember_357486ba-425d-4e34-9fb6-00269a073b97" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoAffiliateMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_03246608-d2d5-4410-bec5-c7299ec2c906" xlink:to="loc_exc_CommonwealthEdisonCoAffiliateMember_357486ba-425d-4e34-9fb6-00269a073b97" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoAffiliateMember_a0690f02-afef-4fff-950b-866db318e5b4" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoAffiliateMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_03246608-d2d5-4410-bec5-c7299ec2c906" xlink:to="loc_exc_PecoEnergyCoAffiliateMember_a0690f02-afef-4fff-950b-866db318e5b4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyAffiliateMember_91138004-3031-4243-a4ba-7ede7a28c9bb" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyAffiliateMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_03246608-d2d5-4410-bec5-c7299ec2c906" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyAffiliateMember_91138004-3031-4243-a4ba-7ede7a28c9bb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCAffiliateMember_e64b99ee-d8e1-4fe3-8280-04f3d7f337da" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCAffiliateMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_03246608-d2d5-4410-bec5-c7299ec2c906" xlink:to="loc_exc_PepcoHoldingsLLCAffiliateMember_e64b99ee-d8e1-4fe3-8280-04f3d7f337da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCoAffiliateMember_a5c574dd-02c8-4c6f-8c30-59c3e7151a38" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCoAffiliateMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_03246608-d2d5-4410-bec5-c7299ec2c906" xlink:to="loc_exc_PotomacElectricPowerCoAffiliateMember_a5c574dd-02c8-4c6f-8c30-59c3e7151a38" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCoAffiliateMember_9f7b6d16-66d8-44bb-a830-bd06ad0c4d19" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCoAffiliateMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_03246608-d2d5-4410-bec5-c7299ec2c906" xlink:to="loc_exc_DelmarvaPowerandLightCoAffiliateMember_9f7b6d16-66d8-44bb-a830-bd06ad0c4d19" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCoAffiliateMember_e458bf12-4861-4d1b-b0ba-e6a8b8596875" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCoAffiliateMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_03246608-d2d5-4410-bec5-c7299ec2c906" xlink:to="loc_exc_AtlanticCityElectricCoAffiliateMember_e458bf12-4861-4d1b-b0ba-e6a8b8596875" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonBusinessServicesCoAffiliateMember_c35ce490-c1e4-4d51-8335-e426c3bf1efb" xlink:href="exc-20220930.xsd#exc_ExelonBusinessServicesCoAffiliateMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_03246608-d2d5-4410-bec5-c7299ec2c906" xlink:to="loc_exc_ExelonBusinessServicesCoAffiliateMember_c35ce490-c1e4-4d51-8335-e426c3bf1efb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLlcAffiliateMember_61297819-4750-4da7-8b2f-5098d48418f7" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLlcAffiliateMember"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_03246608-d2d5-4410-bec5-c7299ec2c906" xlink:to="loc_exc_ExelonGenerationCoLlcAffiliateMember_61297819-4750-4da7-8b2f-5098d48418f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_ee7ca67f-516f-4aab-950f-a83b49c8c069" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_03246608-d2d5-4410-bec5-c7299ec2c906" xlink:to="loc_exc_CommonwealthEdisonCoMember_ee7ca67f-516f-4aab-950f-a83b49c8c069" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_3fed8227-5573-46c1-9ac2-99d3bb59b400" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_a2c416b7-048a-4846-9302-71521c562dce" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_3fed8227-5573-46c1-9ac2-99d3bb59b400" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromRelatedParties_b13b31d2-7ddf-41f6-ae9f-82f5bacd6431" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromRelatedParties"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_3fed8227-5573-46c1-9ac2-99d3bb59b400" xlink:to="loc_us-gaap_RevenueFromRelatedParties_b13b31d2-7ddf-41f6-ae9f-82f5bacd6431" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty_13985f13-f30c-4113-9448-026c787dbe5d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_3fed8227-5573-46c1-9ac2-99d3bb59b400" xlink:to="loc_us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty_13985f13-f30c-4113-9448-026c787dbe5d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RelatedPartyTransactionsBSCandPHISCOServiceCompaniesDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#RelatedPartyTransactionsBSCandPHISCOServiceCompaniesDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RelatedPartyTransactionsBSCandPHISCOServiceCompaniesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_9fe0a450-54de-4fd4-be8f-435593a159b9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_5cdf1dc3-c7f7-46b9-934f-c6dfa3d1fe54" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_9fe0a450-54de-4fd4-be8f-435593a159b9" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_5cdf1dc3-c7f7-46b9-934f-c6dfa3d1fe54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_4b424263-00f1-42e2-b46f-12f3ecdb742e" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_5cdf1dc3-c7f7-46b9-934f-c6dfa3d1fe54" xlink:to="loc_dei_LegalEntityAxis_4b424263-00f1-42e2-b46f-12f3ecdb742e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_b982f0d8-d939-4215-9196-0fcbcfdab66c" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_4b424263-00f1-42e2-b46f-12f3ecdb742e" xlink:to="loc_dei_EntityDomain_b982f0d8-d939-4215-9196-0fcbcfdab66c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_8aa24748-a114-40e7-b7a7-a44ef609a71a" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_b982f0d8-d939-4215-9196-0fcbcfdab66c" xlink:to="loc_exc_ExelonGenerationCoLLCMember_8aa24748-a114-40e7-b7a7-a44ef609a71a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_69def1c6-919b-49e2-bc9c-beae96011ade" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_b982f0d8-d939-4215-9196-0fcbcfdab66c" xlink:to="loc_exc_CommonwealthEdisonCoMember_69def1c6-919b-49e2-bc9c-beae96011ade" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_f89ec9f1-5510-426c-b709-321228c7b317" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_b982f0d8-d939-4215-9196-0fcbcfdab66c" xlink:to="loc_exc_PecoEnergyCoMember_f89ec9f1-5510-426c-b709-321228c7b317" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_fd6b300c-c9a7-4b7e-8c7a-7449d58879ba" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_b982f0d8-d939-4215-9196-0fcbcfdab66c" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_fd6b300c-c9a7-4b7e-8c7a-7449d58879ba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_61b0e2d4-f93f-4ad8-8919-569257ee2ce1" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_b982f0d8-d939-4215-9196-0fcbcfdab66c" xlink:to="loc_exc_PepcoHoldingsLLCMember_61b0e2d4-f93f-4ad8-8919-569257ee2ce1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_86686ed3-611e-4254-8ef0-f495800363e3" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_b982f0d8-d939-4215-9196-0fcbcfdab66c" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_86686ed3-611e-4254-8ef0-f495800363e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_1f6637b6-dea5-4e98-a65d-5d47b8eebefc" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_b982f0d8-d939-4215-9196-0fcbcfdab66c" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_1f6637b6-dea5-4e98-a65d-5d47b8eebefc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_a346a288-f319-405b-975c-29b697f8cc04" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_b982f0d8-d939-4215-9196-0fcbcfdab66c" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_a346a288-f319-405b-975c-29b697f8cc04" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_dd93aea7-a25c-41ea-a10c-edeb75208870" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_5cdf1dc3-c7f7-46b9-934f-c6dfa3d1fe54" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_dd93aea7-a25c-41ea-a10c-edeb75208870" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_b384cca2-4623-4778-ac86-84f64886c34e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_dd93aea7-a25c-41ea-a10c-edeb75208870" xlink:to="loc_us-gaap_RelatedPartyDomain_b384cca2-4623-4778-ac86-84f64886c34e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonBusinessServicesCoAffiliateMember_bcdd37b9-f195-475d-8be4-50da8033476c" xlink:href="exc-20220930.xsd#exc_ExelonBusinessServicesCoAffiliateMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_b384cca2-4623-4778-ac86-84f64886c34e" xlink:to="loc_exc_ExelonBusinessServicesCoAffiliateMember_bcdd37b9-f195-475d-8be4-50da8033476c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PHIServiceCoAffiliateMember_45a38214-fefb-47d0-b3fe-4e8dadbe50d2" xlink:href="exc-20220930.xsd#exc_PHIServiceCoAffiliateMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_b384cca2-4623-4778-ac86-84f64886c34e" xlink:to="loc_exc_PHIServiceCoAffiliateMember_45a38214-fefb-47d0-b3fe-4e8dadbe50d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_f99064e4-0c84-4d17-9f00-b51c3efb4c63" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_5cdf1dc3-c7f7-46b9-934f-c6dfa3d1fe54" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_f99064e4-0c84-4d17-9f00-b51c3efb4c63" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_5a6797d0-6321-48e5-ac7a-4b3423718a32" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_f99064e4-0c84-4d17-9f00-b51c3efb4c63" xlink:to="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_5a6797d0-6321-48e5-ac7a-4b3423718a32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RelatedPartyTransactionCapitalizedCostsSupportServices_f19cae01-16b5-409c-87cb-ea0a14197ac0" xlink:href="exc-20220930.xsd#exc_RelatedPartyTransactionCapitalizedCostsSupportServices"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_f99064e4-0c84-4d17-9f00-b51c3efb4c63" xlink:to="loc_exc_RelatedPartyTransactionCapitalizedCostsSupportServices_f19cae01-16b5-409c-87cb-ea0a14197ac0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RelatedPartyTransactionsCurrentReceivablesFromPayablesToAffiliatesDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#RelatedPartyTransactionsCurrentReceivablesFromPayablesToAffiliatesDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RelatedPartyTransactionsCurrentReceivablesFromPayablesToAffiliatesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_3440c32c-b034-4819-bb67-588f521d626f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_47dc0b94-adf8-4b4c-9a57-608658a4579f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_3440c32c-b034-4819-bb67-588f521d626f" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_47dc0b94-adf8-4b4c-9a57-608658a4579f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_3e0fc7e2-b121-43eb-9a21-5694872e9e7f" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_47dc0b94-adf8-4b4c-9a57-608658a4579f" xlink:to="loc_dei_LegalEntityAxis_3e0fc7e2-b121-43eb-9a21-5694872e9e7f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_cb05d7c3-c41b-4c47-899f-af112ea6f429" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_3e0fc7e2-b121-43eb-9a21-5694872e9e7f" xlink:to="loc_dei_EntityDomain_cb05d7c3-c41b-4c47-899f-af112ea6f429" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_0fef5809-4602-4332-87b9-22debe5e92bf" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cb05d7c3-c41b-4c47-899f-af112ea6f429" xlink:to="loc_exc_ExelonGenerationCoLLCMember_0fef5809-4602-4332-87b9-22debe5e92bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_0d4ab36d-e4aa-44bc-946b-4061b24849ff" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cb05d7c3-c41b-4c47-899f-af112ea6f429" xlink:to="loc_exc_CommonwealthEdisonCoMember_0d4ab36d-e4aa-44bc-946b-4061b24849ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_42b9ae2b-20ab-4f23-b88d-4c5f1cf6ba37" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cb05d7c3-c41b-4c47-899f-af112ea6f429" xlink:to="loc_exc_PecoEnergyCoMember_42b9ae2b-20ab-4f23-b88d-4c5f1cf6ba37" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_be57eb04-4219-46e9-996f-5b14fafd2db6" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cb05d7c3-c41b-4c47-899f-af112ea6f429" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_be57eb04-4219-46e9-996f-5b14fafd2db6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_f8b83254-65c4-4cc8-8df6-882314587e56" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cb05d7c3-c41b-4c47-899f-af112ea6f429" xlink:to="loc_exc_PepcoHoldingsLLCMember_f8b83254-65c4-4cc8-8df6-882314587e56" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_9cb6501e-cba3-40f6-a84b-bcfe7aa21005" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cb05d7c3-c41b-4c47-899f-af112ea6f429" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_9cb6501e-cba3-40f6-a84b-bcfe7aa21005" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_985d4edc-f3a4-41a2-b3e5-defc5702c221" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cb05d7c3-c41b-4c47-899f-af112ea6f429" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_985d4edc-f3a4-41a2-b3e5-defc5702c221" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_78230463-9a17-4a61-9ec9-90aa4606ece9" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cb05d7c3-c41b-4c47-899f-af112ea6f429" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_78230463-9a17-4a61-9ec9-90aa4606ece9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BusinessServicesCompanyMember_4fa75e12-1ba4-42c8-b36a-1be3121e62e3" xlink:href="exc-20220930.xsd#exc_BusinessServicesCompanyMember"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cb05d7c3-c41b-4c47-899f-af112ea6f429" xlink:to="loc_exc_BusinessServicesCompanyMember_4fa75e12-1ba4-42c8-b36a-1be3121e62e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PHIServiceCompanyMember_03c88674-70df-404f-9768-2d58f001f8ce" xlink:href="exc-20220930.xsd#exc_PHIServiceCompanyMember"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cb05d7c3-c41b-4c47-899f-af112ea6f429" xlink:to="loc_exc_PHIServiceCompanyMember_03c88674-70df-404f-9768-2d58f001f8ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherLegalEntitiesMember_828880eb-a0a4-43fb-8488-20f996015de5" xlink:href="exc-20220930.xsd#exc_OtherLegalEntitiesMember"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cb05d7c3-c41b-4c47-899f-af112ea6f429" xlink:to="loc_exc_OtherLegalEntitiesMember_828880eb-a0a4-43fb-8488-20f996015de5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLlcAffiliateMember_2b85e696-9427-4d55-ad26-0268bff5dadf" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLlcAffiliateMember"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_cb05d7c3-c41b-4c47-899f-af112ea6f429" xlink:to="loc_exc_ExelonGenerationCoLlcAffiliateMember_2b85e696-9427-4d55-ad26-0268bff5dadf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_ff315477-b44c-4c45-bcf9-8cfdbea651da" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_47dc0b94-adf8-4b4c-9a57-608658a4579f" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_ff315477-b44c-4c45-bcf9-8cfdbea651da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_083a2493-a434-404d-85b0-60cc92f65ec5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_ff315477-b44c-4c45-bcf9-8cfdbea651da" xlink:to="loc_us-gaap_RelatedPartyDomain_083a2493-a434-404d-85b0-60cc92f65ec5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLlcAffiliateMember_5305429c-4a78-43d5-ba7f-db5aecd37653" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLlcAffiliateMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_083a2493-a434-404d-85b0-60cc92f65ec5" xlink:to="loc_exc_ExelonGenerationCoLlcAffiliateMember_5305429c-4a78-43d5-ba7f-db5aecd37653" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoAffiliateMember_76426715-329b-401c-a762-15e5797b6c92" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoAffiliateMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_083a2493-a434-404d-85b0-60cc92f65ec5" xlink:to="loc_exc_CommonwealthEdisonCoAffiliateMember_76426715-329b-401c-a762-15e5797b6c92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_AffiliatedEntityMember_208b89f1-74a4-4a07-af9d-eb8464fe6e02" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_AffiliatedEntityMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_083a2493-a434-404d-85b0-60cc92f65ec5" xlink:to="loc_srt_AffiliatedEntityMember_208b89f1-74a4-4a07-af9d-eb8464fe6e02" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoAffiliateMember_0094b8f9-2a24-4131-8b52-a7cbd3f2571a" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoAffiliateMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_083a2493-a434-404d-85b0-60cc92f65ec5" xlink:to="loc_exc_PecoEnergyCoAffiliateMember_0094b8f9-2a24-4131-8b52-a7cbd3f2571a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyAffiliateMember_7f1a7752-55dd-46f0-96f1-8ac4bab8067d" xlink:href="exc-20220930.xsd#exc_BaltimoreGasAndElectricCompanyAffiliateMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_083a2493-a434-404d-85b0-60cc92f65ec5" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyAffiliateMember_7f1a7752-55dd-46f0-96f1-8ac4bab8067d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCAffiliateMember_beed3da7-85d1-4b75-b299-aa3594efab63" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCAffiliateMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_083a2493-a434-404d-85b0-60cc92f65ec5" xlink:to="loc_exc_PepcoHoldingsLLCAffiliateMember_beed3da7-85d1-4b75-b299-aa3594efab63" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCoAffiliateMember_473ce183-5aa8-460a-ab02-c30d23a43ed0" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCoAffiliateMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_083a2493-a434-404d-85b0-60cc92f65ec5" xlink:to="loc_exc_PotomacElectricPowerCoAffiliateMember_473ce183-5aa8-460a-ab02-c30d23a43ed0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCoAffiliateMember_8aa3c31d-85b6-4d85-9abb-460aafd25350" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCoAffiliateMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_083a2493-a434-404d-85b0-60cc92f65ec5" xlink:to="loc_exc_DelmarvaPowerandLightCoAffiliateMember_8aa3c31d-85b6-4d85-9abb-460aafd25350" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCoAffiliateMember_fe27c388-4701-4ebb-8ff1-472958af4456" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCoAffiliateMember"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_083a2493-a434-404d-85b0-60cc92f65ec5" xlink:to="loc_exc_AtlanticCityElectricCoAffiliateMember_fe27c388-4701-4ebb-8ff1-472958af4456" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherAffiliateMember_aef620ab-a8c9-4a60-a20e-02196893e91f" xlink:href="exc-20220930.xsd#exc_OtherAffiliateMember"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_083a2493-a434-404d-85b0-60cc92f65ec5" xlink:to="loc_exc_OtherAffiliateMember_aef620ab-a8c9-4a60-a20e-02196893e91f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAffiliatesMember_f067bb70-2a16-4640-a415-475152daac3a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAffiliatesMember"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_083a2493-a434-404d-85b0-60cc92f65ec5" xlink:to="loc_us-gaap_OtherAffiliatesMember_f067bb70-2a16-4640-a415-475152daac3a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_3dfbb7bc-1ece-4e68-ac3d-79a9f27a71bd" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_083a2493-a434-404d-85b0-60cc92f65ec5" xlink:to="loc_exc_ExelonGenerationCoLLCMember_3dfbb7bc-1ece-4e68-ac3d-79a9f27a71bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_029929a3-8d97-4618-8f80-de1ffb0e63da" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_47dc0b94-adf8-4b4c-9a57-608658a4579f" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_029929a3-8d97-4618-8f80-de1ffb0e63da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDueFromToRelatedPartyCurrent_b9fe9373-54a1-4f2a-bf59-99b76239b693" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionDueFromToRelatedPartyCurrent"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_029929a3-8d97-4618-8f80-de1ffb0e63da" xlink:to="loc_us-gaap_RelatedPartyTransactionDueFromToRelatedPartyCurrent_b9fe9373-54a1-4f2a-bf59-99b76239b693" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_6ba4efa9-17f3-4f04-aaa0-61235ffbb3ba" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsPayableRelatedPartiesCurrent"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_029929a3-8d97-4618-8f80-de1ffb0e63da" xlink:to="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_6ba4efa9-17f3-4f04-aaa0-61235ffbb3ba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_553707b3-58bc-498b-afc0-465418731180" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableRelatedPartiesCurrent"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_029929a3-8d97-4618-8f80-de1ffb0e63da" xlink:to="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_553707b3-58bc-498b-afc0-465418731180" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueToRelatedPartiesCurrent_3549804e-71bd-4dad-b10c-cba0ab7959a3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DueToRelatedPartiesCurrent"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_029929a3-8d97-4618-8f80-de1ffb0e63da" xlink:to="loc_us-gaap_DueToRelatedPartiesCurrent_3549804e-71bd-4dad-b10c-cba0ab7959a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RelatedPartyTransactionsNoncurrentReceivablesfromPayablestoaffiliatesDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#RelatedPartyTransactionsNoncurrentReceivablesfromPayablestoaffiliatesDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RelatedPartyTransactionsNoncurrentReceivablesfromPayablestoaffiliatesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_dc024760-c32a-40ca-9cc2-d775b19b6c53" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3a95e3b5-5714-491e-adbd-b6285c7aad9b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_dc024760-c32a-40ca-9cc2-d775b19b6c53" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3a95e3b5-5714-491e-adbd-b6285c7aad9b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_5bc9959c-967f-44d4-b31f-a6ca972130a3" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3a95e3b5-5714-491e-adbd-b6285c7aad9b" xlink:to="loc_dei_LegalEntityAxis_5bc9959c-967f-44d4-b31f-a6ca972130a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_2c46d453-6c9d-459a-8b61-c9f4bb702001" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_5bc9959c-967f-44d4-b31f-a6ca972130a3" xlink:to="loc_dei_EntityDomain_2c46d453-6c9d-459a-8b61-c9f4bb702001" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_02153c67-ad78-4630-9819-af9d041810d9" xlink:href="exc-20220930.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2c46d453-6c9d-459a-8b61-c9f4bb702001" xlink:to="loc_exc_ExelonGenerationCoLLCMember_02153c67-ad78-4630-9819-af9d041810d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherLegalEntitiesMember_9206d583-7cc8-4e40-a727-dbec441836cf" xlink:href="exc-20220930.xsd#exc_OtherLegalEntitiesMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2c46d453-6c9d-459a-8b61-c9f4bb702001" xlink:to="loc_exc_OtherLegalEntitiesMember_9206d583-7cc8-4e40-a727-dbec441836cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1a6db6b9-6ea1-4a46-9879-415523e255d2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3a95e3b5-5714-491e-adbd-b6285c7aad9b" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1a6db6b9-6ea1-4a46-9879-415523e255d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_0e54a029-5cd4-4c86-8991-1f4fcdf0d575" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1a6db6b9-6ea1-4a46-9879-415523e255d2" xlink:to="loc_us-gaap_RelatedPartyDomain_0e54a029-5cd4-4c86-8991-1f4fcdf0d575" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoAffiliateMember_567ccd9a-c0b2-4f5f-9edb-246b5f070313" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoAffiliateMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_0e54a029-5cd4-4c86-8991-1f4fcdf0d575" xlink:to="loc_exc_CommonwealthEdisonCoAffiliateMember_567ccd9a-c0b2-4f5f-9edb-246b5f070313" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoAffiliateMember_dc615642-9976-4d8e-a9d6-7a34759256bf" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoAffiliateMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_0e54a029-5cd4-4c86-8991-1f4fcdf0d575" xlink:to="loc_exc_PecoEnergyCoAffiliateMember_dc615642-9976-4d8e-a9d6-7a34759256bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BusinessServicesCorporationMember_fa8a4003-562e-44f3-b931-7d36d8701ff1" xlink:href="exc-20220930.xsd#exc_BusinessServicesCorporationMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_0e54a029-5cd4-4c86-8991-1f4fcdf0d575" xlink:to="loc_exc_BusinessServicesCorporationMember_fa8a4003-562e-44f3-b931-7d36d8701ff1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_3459aafc-4cb3-4969-9938-3d88c17513ed" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3a95e3b5-5714-491e-adbd-b6285c7aad9b" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_3459aafc-4cb3-4969-9938-3d88c17513ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableRelatedPartiesNoncurrent_cb1aaa30-7e87-40cf-89be-0b5e69719486" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsPayableRelatedPartiesNoncurrent"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_3459aafc-4cb3-4969-9938-3d88c17513ed" xlink:to="loc_us-gaap_AccountsPayableRelatedPartiesNoncurrent_cb1aaa30-7e87-40cf-89be-0b5e69719486" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/RelatedPartyTransactionsLongTermDebttoFinancingTrustsDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#RelatedPartyTransactionsLongTermDebttoFinancingTrustsDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/RelatedPartyTransactionsLongTermDebttoFinancingTrustsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_9cd6b575-52f1-4b24-b7fe-892f972bdede" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_569cc32f-de84-4489-b3d7-9590aa031d41" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_9cd6b575-52f1-4b24-b7fe-892f972bdede" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_569cc32f-de84-4489-b3d7-9590aa031d41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_2ea6bbd3-ea5e-4716-b423-89b21a0996b7" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_569cc32f-de84-4489-b3d7-9590aa031d41" xlink:to="loc_dei_LegalEntityAxis_2ea6bbd3-ea5e-4716-b423-89b21a0996b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_956a5c0c-68f3-4bdb-bb0e-e3aad33a8784" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_2ea6bbd3-ea5e-4716-b423-89b21a0996b7" xlink:to="loc_dei_EntityDomain_956a5c0c-68f3-4bdb-bb0e-e3aad33a8784" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_d99ea19f-8ab2-42ba-8347-ca39050e2661" xlink:href="exc-20220930.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_956a5c0c-68f3-4bdb-bb0e-e3aad33a8784" xlink:to="loc_exc_CommonwealthEdisonCoMember_d99ea19f-8ab2-42ba-8347-ca39050e2661" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_32832df1-b734-4917-a527-0d51881d4d0f" xlink:href="exc-20220930.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_956a5c0c-68f3-4bdb-bb0e-e3aad33a8784" xlink:to="loc_exc_PecoEnergyCoMember_32832df1-b734-4917-a527-0d51881d4d0f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_a08c2da2-5102-4be9-9caf-5353a299d7b9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_569cc32f-de84-4489-b3d7-9590aa031d41" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_a08c2da2-5102-4be9-9caf-5353a299d7b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_8da3b4c7-2b2f-4511-87fa-3456b3bcd5ef" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_a08c2da2-5102-4be9-9caf-5353a299d7b9" xlink:to="loc_us-gaap_RelatedPartyDomain_8da3b4c7-2b2f-4511-87fa-3456b3bcd5ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ComedFinancingThreeAffiliateMember_816f473a-f5bb-4888-995c-1b9b75561d62" xlink:href="exc-20220930.xsd#exc_ComedFinancingThreeAffiliateMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_8da3b4c7-2b2f-4511-87fa-3456b3bcd5ef" xlink:to="loc_exc_ComedFinancingThreeAffiliateMember_816f473a-f5bb-4888-995c-1b9b75561d62" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoTrustThreeAffiliateMember_edc34e50-18e6-4966-afb1-0b2ffe5b5e26" xlink:href="exc-20220930.xsd#exc_PecoTrustThreeAffiliateMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_8da3b4c7-2b2f-4511-87fa-3456b3bcd5ef" xlink:to="loc_exc_PecoTrustThreeAffiliateMember_edc34e50-18e6-4966-afb1-0b2ffe5b5e26" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoTrustFourAffiliateMember_fd786d66-10ba-4706-87c2-ce762afc3842" xlink:href="exc-20220930.xsd#exc_PecoTrustFourAffiliateMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_8da3b4c7-2b2f-4511-87fa-3456b3bcd5ef" xlink:to="loc_exc_PecoTrustFourAffiliateMember_fd786d66-10ba-4706-87c2-ce762afc3842" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_269e1c93-bddc-4634-be6c-2a15e34ff7a7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_569cc32f-de84-4489-b3d7-9590aa031d41" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_269e1c93-bddc-4634-be6c-2a15e34ff7a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueToAffiliateNoncurrent_54bcc563-32fc-48ff-8054-e821336a5437" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DueToAffiliateNoncurrent"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_269e1c93-bddc-4634-be6c-2a15e34ff7a7" xlink:to="loc_us-gaap_DueToAffiliateNoncurrent_54bcc563-32fc-48ff-8054-e821336a5437" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/SubsequentEventsNarrativeDetails" xlink:type="simple" xlink:href="exc-20220930.xsd#SubsequentEventsNarrativeDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/SubsequentEventsNarrativeDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventsAbstract_6266808c-86cd-463e-af87-50b9d88c01bd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventsAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTable_4e3409f5-c5d6-4def-9865-33c1943e4f94" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventsAbstract_6266808c-86cd-463e-af87-50b9d88c01bd" xlink:to="loc_us-gaap_SubsequentEventTable_4e3409f5-c5d6-4def-9865-33c1943e4f94" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransactionTypeAxis_601a0914-b166-43d9-9060-fa1b823eb365" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TransactionTypeAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_4e3409f5-c5d6-4def-9865-33c1943e4f94" xlink:to="loc_us-gaap_TransactionTypeAxis_601a0914-b166-43d9-9060-fa1b823eb365" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransactionDomain_dca5ec05-32f6-458d-808e-cdb1cd0f6095" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TransactionDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransactionTypeAxis_601a0914-b166-43d9-9060-fa1b823eb365" xlink:to="loc_us-gaap_TransactionDomain_dca5ec05-32f6-458d-808e-cdb1cd0f6095" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SaleoftransmissiontowerattachmentagreementsMember_eecbe1aa-a480-4c41-9058-3bdf1125db6d" xlink:href="exc-20220930.xsd#exc_SaleoftransmissiontowerattachmentagreementsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransactionDomain_dca5ec05-32f6-458d-808e-cdb1cd0f6095" xlink:to="loc_exc_SaleoftransmissiontowerattachmentagreementsMember_eecbe1aa-a480-4c41-9058-3bdf1125db6d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_d050fb8f-a151-4b1a-86a5-a5b856aba752" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_4e3409f5-c5d6-4def-9865-33c1943e4f94" xlink:to="loc_dei_LegalEntityAxis_d050fb8f-a151-4b1a-86a5-a5b856aba752" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_e2744d88-d14f-4623-849a-c235be5fd21a" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_d050fb8f-a151-4b1a-86a5-a5b856aba752" xlink:to="loc_dei_EntityDomain_e2744d88-d14f-4623-849a-c235be5fd21a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_6a5ddaf9-0b1d-4c8f-a384-ffbe67dcbbd4" xlink:href="exc-20220930.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e2744d88-d14f-4623-849a-c235be5fd21a" xlink:to="loc_exc_PepcoHoldingsLLCMember_6a5ddaf9-0b1d-4c8f-a384-ffbe67dcbbd4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_a8abb1c6-f4d2-48f6-98b2-e798cf8987e3" xlink:href="exc-20220930.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e2744d88-d14f-4623-849a-c235be5fd21a" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_a8abb1c6-f4d2-48f6-98b2-e798cf8987e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_964da587-27a4-4233-9211-0142702f8ea0" xlink:href="exc-20220930.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e2744d88-d14f-4623-849a-c235be5fd21a" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_964da587-27a4-4233-9211-0142702f8ea0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_98920d33-4e8f-497d-a021-b3a342b2479f" xlink:href="exc-20220930.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e2744d88-d14f-4623-849a-c235be5fd21a" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_98920d33-4e8f-497d-a021-b3a342b2479f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_eee49f21-f34a-44be-a847-7af831a976b1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_4e3409f5-c5d6-4def-9865-33c1943e4f94" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_eee49f21-f34a-44be-a847-7af831a976b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_c7c45751-66bd-4e17-b3ed-375005d8469a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_eee49f21-f34a-44be-a847-7af831a976b1" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_c7c45751-66bd-4e17-b3ed-375005d8469a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_d8308882-53f2-44f6-a5b2-b42fd33438a1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_c7c45751-66bd-4e17-b3ed-375005d8469a" xlink:to="loc_us-gaap_SubsequentEventMember_d8308882-53f2-44f6-a5b2-b42fd33438a1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_483f6782-9bb8-4b32-ae93-c7621296b2c0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventLineItems"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_4e3409f5-c5d6-4def-9865-33c1943e4f94" xlink:to="loc_us-gaap_SubsequentEventLineItems_483f6782-9bb8-4b32-ae93-c7621296b2c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_UndividedInterestSold_03e36d8f-8564-4235-a9b7-6776546d473a" xlink:href="exc-20220930.xsd#exc_UndividedInterestSold"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_483f6782-9bb8-4b32-ae93-c7621296b2c0" xlink:to="loc_exc_UndividedInterestSold_03e36d8f-8564-4235-a9b7-6776546d473a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_MarketingAgreementInterest_143a9ff4-87c4-4c3e-8f0b-b195fbd759ef" xlink:href="exc-20220930.xsd#exc_MarketingAgreementInterest"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_483f6782-9bb8-4b32-ae93-c7621296b2c0" xlink:to="loc_exc_MarketingAgreementInterest_143a9ff4-87c4-4c3e-8f0b-b195fbd759ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AgreementCashProceeds_5a9f5cf6-cd55-4c19-971d-690fa1b0ac15" xlink:href="exc-20220930.xsd#exc_AgreementCashProceeds"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_483f6782-9bb8-4b32-ae93-c7621296b2c0" xlink:to="loc_exc_AgreementCashProceeds_5a9f5cf6-cd55-4c19-971d-690fa1b0ac15" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AgreementLiabilitiesRecorded_eeedb2d7-a165-4b8a-aa2f-4b043f9ef08e" xlink:href="exc-20220930.xsd#exc_AgreementLiabilitiesRecorded"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_483f6782-9bb8-4b32-ae93-c7621296b2c0" xlink:to="loc_exc_AgreementLiabilitiesRecorded_eeedb2d7-a165-4b8a-aa2f-4b043f9ef08e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
</link:linkbase>


3 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 1/05/23  Commonwealth Edison Co.           424B2                  2:452K                                   Toppan Merrill/FA
 1/03/23  Commonwealth Edison Co.           424B2                  1:430K                                   Toppan Merrill/FA
11/28/22  Exelon Corp.                      424B3                  1:424K                                   Toppan Merrill/FA


1 Previous Filing that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 8/23/22  PECO Energy Co.                   8-K:1,2,9   8/23/22   15:18M
Top
Filing Submission 0001109357-22-000113   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Mon., May 13, 2:11:43.2pm ET