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

Exelon Corp., et al. – ‘10-Q’ for 3/31/23 – ‘EX-101.PRE’

On:  Wednesday, 5/3/23, at 2:39pm ET   ·   For:  3/31/23   ·   Accession #:  1109357-23-40   ·   File #s:  0-16844, 1-01072, 1-01405, 1-01839, 1-01910, 1-03559, 1-16169, 1-31403

Previous ‘10-Q’:  ‘10-Q’ on 11/3/22 for 9/30/22   ·   Next:  ‘10-Q’ on 8/2/23 for 6/30/23   ·   Latest:  ‘10-Q’ on 11/2/23 for 9/30/23   ·   11 References:   

Find Words in Filings emoji
 
  in    Show  and   Hints

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

 5/03/23  Exelon Corp.                      10-Q        3/31/23  131:32M
          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   9.01M 
 2: EX-31.01    Certification Filed by Calvin G. Butler, Jr. for    HTML     42K 
                Exelon Corporation                                               
 3: EX-31.02    Certification Filed by Jeanne M. Jones for Exelon   HTML     42K 
                Corporation                                                      
 4: EX-31.03    Certification Filed by Gil C. Quiniones for         HTML     42K 
                Commonwealth Edison Company                                      
 5: EX-31.04    Certification Filed by Elisabeth J. Graham for      HTML     42K 
                Commonwealth Edison Company                                      
 6: EX-31.05    Certification Filed by Michael A. Innocenzo for     HTML     42K 
                Peco Energy Company                                              
 7: EX-31.06    Certification Filed by Marissa Humphrey for Peco    HTML     42K 
                Energy Company                                                   
 8: EX-31.07    Certification Filed by Carim V. Khouzami for        HTML     42K 
                Baltimore Gas and Electric Company                               
 9: EX-31.08    Certification Filed by David M. Vahos for           HTML     42K 
                Baltimore Gas and Electric Company                               
10: EX-31.09    Certification Filed by J. Tyler Anthony for Pepco   HTML     42K 
                Holdings LLC                                                     
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                                   
18: EX-32.01    Certification Filed by Calvin G. Butler, Jr. for    HTML     38K 
                Exelon Corporation                                               
19: EX-32.02    Certification Filed by Jeanne M. Jones for Exelon   HTML     38K 
                Corporation                                                      
20: EX-32.03    Certification Filed by Gil C. Quiniones for         HTML     38K 
                Commonwealth Edison Company                                      
21: EX-32.04    Certification Filed by Elisabeth J. Graham for      HTML     38K 
                Commonwealth Edison Company                                      
22: EX-32.05    Certification Filed by Michael A. Innocenzo for     HTML     38K 
                Peco Energy Company                                              
23: EX-32.06    Certification Filed by Marissa Humphrey for Peco    HTML     38K 
                Energy Company                                                   
24: EX-32.07    Certification Filed by Carim V. Khouzami for        HTML     38K 
                Baltimore Gas and Electric Company                               
25: EX-32.08    Certification Filed by David M. Vahos for           HTML     38K 
                Baltimore Gas and Electric Company                               
26: EX-32.09    Certification Filed by J. Tyler Anthony for Pepco   HTML     38K 
                Holdings LLC                                                     
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                                   
39: R1          Cover Page                                          HTML    134K 
40: R2          Consolidated Statements of Operations and           HTML    274K 
                Comprehensive Income (Unaudited)                                 
41: R3          Consolidated Statements of Cash Flows (Unaudited)   HTML    254K 
42: R4          Consolidated Balance Sheets (Unaudited)             HTML    368K 
43: R5          Consolidated Statements of Changes in Shareholders  HTML    146K 
                Equity (Unaudited)                                               
44: R6          Significant Accounting Policies (All Registrants)   HTML     58K 
45: R7          Discontinued Operations (Exelon)                    HTML     77K 
46: R8          Regulatory Matters (All Registrants)                HTML    136K 
47: R9          Revenue from Contracts with Customers (All          HTML     92K 
                Registrants)                                                     
48: R10         Segment Information (All Registrants)               HTML    398K 
49: R11         Accounts Receivable (All Registrants)               HTML    166K 
50: R12         Income Taxes (All Registrants)                      HTML    127K 
51: R13         Retirement Benefits (All Registrants)               HTML     90K 
52: R14         Derivative Financial Instruments (All Registrants)  HTML    104K 
53: R15         Debt and Credit Agreements (All Registrants)        HTML    100K 
54: R16         Fair Value of Financial Assets and Liabilities      HTML    524K 
                (All Registrants)                                                
55: R17         Commitments and Contingencies (All Registrants)     HTML    230K 
56: R18         Shareholders' Equity (Exelon)                       HTML     45K 
57: R19         Changes in Accumulated Other Comprehensive Income   HTML     77K 
                (Exelon)                                                         
58: R20         Supplemental Financial Information (All             HTML    329K 
                Registrants)                                                     
59: R21         Related Party Transactions (All Registrants)        HTML    206K 
60: R22         Significant Accounting Policies (Policies)          HTML     58K 
61: R23         Discontinued Operations (Tables)                    HTML     70K 
62: R24         Regulatory Matters (Tables)                         HTML    114K 
63: R25         Revenue from Contracts with Customers (Tables)      HTML     90K 
64: R26         Segment Information (Tables)                        HTML    394K 
65: R27         Accounts Receivable (Tables)                        HTML    170K 
66: R28         Income Taxes (Tables)                               HTML    121K 
67: R29         Retirement Benefits (Tables)                        HTML     89K 
68: R30         Derivative Instruments and Hedging Activities       HTML     84K 
                (Tables)                                                         
69: R31         Debt and Credit Agreements (Tables)                 HTML     99K 
70: R32         Fair Value of Financial Assets and Liabilities      HTML    527K 
                (Tables)                                                         
71: R33         Commitments and Contingencies (Tables)              HTML    198K 
72: R34         Changes in Accumulated Other Comprehensive Income   HTML     80K 
                (Tables)                                                         
73: R35         Supplemental Financial Information (Tables)         HTML    334K 
74: R36         Related Party Transactions (Tables)                 HTML    208K 
75: R37         Discontinued Operations and Disposal Groups         HTML     46K 
                (Details)                                                        
76: R38         Discontinued Operations and Disposal Groups         HTML    101K 
                (Details) - Income Statement                                     
77: R39         Discontinued Operations and Disposal Groups         HTML    103K 
                (Details) - Balance Sheet                                        
78: R40         Discontinued Operations and Disposal Groups         HTML     70K 
                (Details) - Cash Flows                                           
79: R41         Regulatory Matters - Schedule of Completed Rate     HTML    137K 
                Cases (Details)                                                  
80: R42         Regulatory Matters - Schedule of Pending Rate       HTML    139K 
                Cases (Details)                                                  
81: R43         Regulatory Matters - Annual Electric Transmission   HTML     53K 
                Fillings (Details)                                               
82: R44         Regulatory Matters - Energy Efficiency Formula      HTML     39K 
                Rate (Details)                                                   
83: R45         Regulatory Matters - Capitalized Ratemaking Amount  HTML     56K 
                Not Recognized (Details)                                         
84: R46         Regulatory Matters - Narrative (Details)            HTML    100K 
85: R47         Revenue from Contracts with Customers - Change in   HTML     54K 
                Contract with Customer, Asset and Liability                      
                (Details)                                                        
86: R48         Revenue from Contract with Customer - Performance   HTML     95K 
                Obligations (Details)                                            
87: R49         Segment Information - Narrative (Details)           HTML     42K 
88: R50         Segment Information - Reconciliation to             HTML    233K 
                Consolidated Financial Statements (Details)                      
89: R51         Segment Information - Electric and Gas Revenue by   HTML    246K 
                Customer Class (Details)                                         
90: R52         Accounts Receivable - Allowance for Credit Losses   HTML     96K 
                Rollforward (Details)                                            
91: R53         Accounts Receivable - Unbilled Customer Revenue     HTML     55K 
                (Details)                                                        
92: R54         Accounts Receivable - Purchases and Sales of        HTML     59K 
                Accounts Receivable (Detail)                                     
93: R55         Income Taxes - Narrative (Details)                  HTML     67K 
94: R56         Income Taxes - Reconciliation to Effective Tax      HTML    106K 
                Rate (Details)                                                   
95: R57         Income Taxes - Unrecognized Tax Benefits (Details)  HTML     46K 
96: R58         Retirement Benefits - Narrative (Details)           HTML     58K 
97: R59         Retirement Benefits - Calculation of Net Periodic   HTML     65K 
                Benefit Cost (Details)                                           
98: R60         Retirement Benefits - Allocated Portion of Pension  HTML     64K 
                and Postretirement Benefit Plan Costs (Details)                  
99: R61         Retirement Benefits - Defined Contribution Savings  HTML     56K 
                Plans (Details)                                                  
100: R62         Derivative Financial Instruments - Narrative        HTML     96K  
                (Details)                                                        
101: R63         Derivative Financial Instruments - Summary of       HTML     63K  
                Interest Rate Hedge Balances (Details)                           
102: R64         Derivative Financial Instruments - Summary of       HTML     48K  
                Economic Hedges (Details)                                        
103: R65         Derivative Financial Instruments - Summary of       HTML     64K  
                Counterparty Collateral (Details)                                
104: R66         Debt and Credit Agreements - Narrative (Details)    HTML     93K  
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     85K  
                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    376K  
                Fair Value Measurements of Assets and Liabilities,               
                Recurring and Nonrecurring (Details)                             
110: R72         Fair Value of Financial Assets and Liabilities -    HTML     93K  
                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     58K  
                (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     37K  
117: R79         Changes in Accumulated Other Comprehensive Income   HTML     81K  
                - Schedule of Changes in AOCI (Details)                          
118: R80         Changes in Accumulated Other Comprehensive Income   HTML     49K  
                - Income Taxes Allocated to Other Comprehensive                  
                Income (Loss) Components (Details)                               
119: R81         Supplemental Financial Information - Operations     HTML     60K  
                (Detail)                                                         
120: R82         Supplemental Financial Information - Taxes Other    HTML     62K  
                Than Income Taxes (Details)                                      
121: R83         Supplemental Financial Information - Cash Flow      HTML    150K  
                (Details)                                                        
122: R84         Supplemental Financial Information - Balance Sheet  HTML    102K  
                (Details)                                                        
123: R85         Related Party Transactions - Utility Registrants'   HTML     60K  
                expense with Generation (Details)                                
124: R86         Related Party Transactions - BSC and PHISCO         HTML     77K  
                Service Companies (Details)                                      
125: R87         Related Party Transactions - Current Receivables    HTML    161K  
                From/Payables To Affiliates (Details)                            
126: R88         Related Party Transactions - Long Term Debt to      HTML     58K  
                Financing Trusts (Details)                                       
129: XML         IDEA XML File -- Filing Summary                      XML    215K  
127: XML         XBRL Instance -- exc-20230331_htm                    XML  12.37M  
128: EXCEL       IDEA Workbook of Financial Reports                  XLSX    341K  
35: EX-101.CAL  XBRL Calculations -- exc-20230331_cal                XML    245K 
36: EX-101.DEF  XBRL Definitions -- exc-20230331_def                 XML   2.24M 
37: EX-101.LAB  XBRL Labels -- exc-20230331_lab                      XML   3.07M 
38: EX-101.PRE  XBRL Presentations -- exc-20230331_pre               XML   2.38M 
34: EX-101.SCH  XBRL Schema -- exc-20230331                          XSD    341K 
130: JSON        XBRL Instance as JSON Data -- MetaLinks              713±  1.17M  
131: ZIP         XBRL Zipped Folder -- 0001109357-23-000040-xbrl      Zip   1.31M  


‘EX-101.PRE’   —   XBRL Presentations — exc-20230331_pre


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- XBRL Document Created with Wdesk from Workiva -->
<!-- Copyright 2023 Workiva -->
<!-- r:74b49107-e28a-4015-94fd-490896483581,g:7ee447af-d64d-481d-a36f-889615c6d331 -->
<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-20230331.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_90ca60d0-1537-4efa-ae99-6a2fbfbacbd1" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CoverAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_3802975a-88c5-447e-9297-c17233eb685c" 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_90ca60d0-1537-4efa-ae99-6a2fbfbacbd1" xlink:to="loc_us-gaap_StatementTable_3802975a-88c5-447e-9297-c17233eb685c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_74b506a3-2785-4641-9301-38aa5fde9b0d" 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_3802975a-88c5-447e-9297-c17233eb685c" xlink:to="loc_srt_StatementGeographicalAxis_74b506a3-2785-4641-9301-38aa5fde9b0d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_984baa6d-fe41-4aff-88a8-c914da5b72da" 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_74b506a3-2785-4641-9301-38aa5fde9b0d" xlink:to="loc_srt_SegmentGeographicalDomain_984baa6d-fe41-4aff-88a8-c914da5b72da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_stpr_DC_f7e31527-0b37-40ad-83c4-f7e4a771bb58" 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_984baa6d-fe41-4aff-88a8-c914da5b72da" xlink:to="loc_stpr_DC_f7e31527-0b37-40ad-83c4-f7e4a771bb58" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_stpr_VA_df6ef36a-d1db-496e-b045-db71d18a369c" 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_984baa6d-fe41-4aff-88a8-c914da5b72da" xlink:to="loc_stpr_VA_df6ef36a-d1db-496e-b045-db71d18a369c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_stpr_DE_536f7614-6699-4710-ba20-625f58ab4ceb" 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_984baa6d-fe41-4aff-88a8-c914da5b72da" xlink:to="loc_stpr_DE_536f7614-6699-4710-ba20-625f58ab4ceb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_3958ed64-7d9e-49bb-852c-251ff79854fb" 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_3802975a-88c5-447e-9297-c17233eb685c" xlink:to="loc_dei_LegalEntityAxis_3958ed64-7d9e-49bb-852c-251ff79854fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_f6c825fd-2b11-4aba-8be6-06ae4cb8bfd1" 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_3958ed64-7d9e-49bb-852c-251ff79854fb" xlink:to="loc_dei_EntityDomain_f6c825fd-2b11-4aba-8be6-06ae4cb8bfd1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_30df1d5b-b3f2-4cf5-b5ac-76fe26e50446" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f6c825fd-2b11-4aba-8be6-06ae4cb8bfd1" xlink:to="loc_exc_CommonwealthEdisonCoMember_30df1d5b-b3f2-4cf5-b5ac-76fe26e50446" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_ded5fbb1-a189-40f1-8ef4-55e3f41f4989" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f6c825fd-2b11-4aba-8be6-06ae4cb8bfd1" xlink:to="loc_exc_PecoEnergyCoMember_ded5fbb1-a189-40f1-8ef4-55e3f41f4989" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_de7f11bf-70fa-4bf6-9c2c-5ca40d9e0de6" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f6c825fd-2b11-4aba-8be6-06ae4cb8bfd1" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_de7f11bf-70fa-4bf6-9c2c-5ca40d9e0de6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_e3710edf-8f07-415f-921a-bcb6c084a012" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f6c825fd-2b11-4aba-8be6-06ae4cb8bfd1" xlink:to="loc_exc_PepcoHoldingsLLCMember_e3710edf-8f07-415f-921a-bcb6c084a012" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_5eaea36e-bcdc-4155-8dde-6de39feaf006" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f6c825fd-2b11-4aba-8be6-06ae4cb8bfd1" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_5eaea36e-bcdc-4155-8dde-6de39feaf006" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_eb679392-eae0-45b7-baad-a571d3d8b00a" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f6c825fd-2b11-4aba-8be6-06ae4cb8bfd1" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_eb679392-eae0-45b7-baad-a571d3d8b00a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_c970c8ba-2192-4e6b-89ba-ff8a10770cee" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f6c825fd-2b11-4aba-8be6-06ae4cb8bfd1" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_c970c8ba-2192-4e6b-89ba-ff8a10770cee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_2bf5e769-123b-4e67-8820-bb35527a28b3" 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_3802975a-88c5-447e-9297-c17233eb685c" xlink:to="loc_us-gaap_StatementLineItems_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_69495f98-4247-4e8e-b0bd-ae5bbd85cd13" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_DocumentType_69495f98-4247-4e8e-b0bd-ae5bbd85cd13" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport_1ea58e21-2352-4d00-ae7e-76e8ccbf1202" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_DocumentQuarterlyReport_1ea58e21-2352-4d00-ae7e-76e8ccbf1202" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_3ba11455-dad9-46d3-a08e-22ca48d7c4c8" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_DocumentPeriodEndDate_3ba11455-dad9-46d3-a08e-22ca48d7c4c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_87cb7579-9c7f-4671-a040-7a8b5f36f849" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_DocumentTransitionReport_87cb7579-9c7f-4671-a040-7a8b5f36f849" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_38e3f37c-ad9f-4a3f-be27-611754e2abed" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_EntityFileNumber_38e3f37c-ad9f-4a3f-be27-611754e2abed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_de6ee804-aefb-43ac-89f5-b844339c1305" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_EntityRegistrantName_de6ee804-aefb-43ac-89f5-b844339c1305" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_f55ea365-e4a5-4ef0-ae84-051c699df4d9" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_EntityTaxIdentificationNumber_f55ea365-e4a5-4ef0-ae84-051c699df4d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_2dae2cef-beec-4079-93d0-32a26042af29" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_EntityIncorporationStateCountryCode_2dae2cef-beec-4079-93d0-32a26042af29" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_8d197ac3-fca7-4d0a-b687-f4f9c071675f" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_EntityAddressAddressLine1_8d197ac3-fca7-4d0a-b687-f4f9c071675f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2_fc38cca1-7b4c-4df2-9ed0-d721abe6bbed" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_EntityAddressAddressLine2_fc38cca1-7b4c-4df2-9ed0-d721abe6bbed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_e73c845d-89a4-4f2b-b8aa-8f2d7f92f352" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_EntityAddressCityOrTown_e73c845d-89a4-4f2b-b8aa-8f2d7f92f352" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_d1688fa1-e8ae-4082-a68b-3d316cadd98b" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_EntityAddressStateOrProvince_d1688fa1-e8ae-4082-a68b-3d316cadd98b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_5b6d4d32-5356-4cf6-8dfa-5a3cd0abd31a" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_EntityAddressPostalZipCode_5b6d4d32-5356-4cf6-8dfa-5a3cd0abd31a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_fb605634-e5c2-410c-b611-9d0ab1818aa3" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_CityAreaCode_fb605634-e5c2-410c-b611-9d0ab1818aa3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_5553035b-1fe3-4a85-bf2b-0a3677815e7a" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_LocalPhoneNumber_5553035b-1fe3-4a85-bf2b-0a3677815e7a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_e6d53dfc-8d82-4735-b08b-436eec80b16f" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_Security12bTitle_e6d53dfc-8d82-4735-b08b-436eec80b16f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_f275e218-7431-4c0a-a9d4-e82fa46400a0" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_TradingSymbol_f275e218-7431-4c0a-a9d4-e82fa46400a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_c34f836d-c84e-4cd6-aa33-04bbc1009ab7" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_SecurityExchangeName_c34f836d-c84e-4cd6-aa33-04bbc1009ab7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_d10c16fd-c377-4205-8546-40cc862f1e54" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_EntityCurrentReportingStatus_d10c16fd-c377-4205-8546-40cc862f1e54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_2677c894-c47b-44b5-83b4-ecfffae38a90" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_EntityInteractiveDataCurrent_2677c894-c47b-44b5-83b4-ecfffae38a90" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_ef643c7b-9a3e-499f-811c-d9fdf1661e85" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_EntityFilerCategory_ef643c7b-9a3e-499f-811c-d9fdf1661e85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_510ed7e1-57f5-41ff-a71c-86008ed79033" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_EntitySmallBusiness_510ed7e1-57f5-41ff-a71c-86008ed79033" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_1e209a17-2f9f-48f1-9a47-f35f3eaef6c5" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_EntityEmergingGrowthCompany_1e209a17-2f9f-48f1-9a47-f35f3eaef6c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_5ae8e029-ded6-4b78-a8b1-6e353e3c9bdf" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_EntityShellCompany_5ae8e029-ded6-4b78-a8b1-6e353e3c9bdf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_b9f33316-1384-4661-a080-1a36c21ebe5d" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_b9f33316-1384-4661-a080-1a36c21ebe5d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_abb47d76-50fc-4e23-b55e-23d661723baa" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_DocumentFiscalYearFocus_abb47d76-50fc-4e23-b55e-23d661723baa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_a234f2df-7a45-4db3-b649-f23a55c46b10" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_DocumentFiscalPeriodFocus_a234f2df-7a45-4db3-b649-f23a55c46b10" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_a320c2f2-8132-4a09-a11d-a328b864959f" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_CurrentFiscalYearEndDate_a320c2f2-8132-4a09-a11d-a328b864959f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_d92e13c8-0a75-4ddc-af1c-dd0a0262bf46" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_EntityCentralIndexKey_d92e13c8-0a75-4ddc-af1c-dd0a0262bf46" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_42062871-e1ef-47af-8411-3081b8d532d8" 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_2bf5e769-123b-4e67-8820-bb35527a28b3" xlink:to="loc_dei_AmendmentFlag_42062871-e1ef-47af-8411-3081b8d532d8" 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-20230331.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_d1011a16-fda0-4700-bc62-7e282b384cea" 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_cb120fc1-9f6f-414d-b0fe-dea6fa280d7a" 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_d1011a16-fda0-4700-bc62-7e282b384cea" xlink:to="loc_us-gaap_StatementTable_cb120fc1-9f6f-414d-b0fe-dea6fa280d7a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_4c7578e0-957a-4b7d-9794-e83bc865d5cb" 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_cb120fc1-9f6f-414d-b0fe-dea6fa280d7a" xlink:to="loc_srt_ProductOrServiceAxis_4c7578e0-957a-4b7d-9794-e83bc865d5cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_14df0d23-ce8e-41a0-ae4c-bc53e202b2ce" 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_4c7578e0-957a-4b7d-9794-e83bc865d5cb" xlink:to="loc_srt_ProductsAndServicesDomain_14df0d23-ce8e-41a0-ae4c-bc53e202b2ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesMember_7209654a-8951-4a35-a26a-31cea7628515" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_14df0d23-ce8e-41a0-ae4c-bc53e202b2ce" xlink:to="loc_us-gaap_PublicUtilitiesMember_7209654a-8951-4a35-a26a-31cea7628515" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ElectricityUsRegulatedMember_ddd5c3fd-57af-4d8f-aecf-7698e152dd6f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ElectricityUsRegulatedMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_14df0d23-ce8e-41a0-ae4c-bc53e202b2ce" xlink:to="loc_us-gaap_ElectricityUsRegulatedMember_ddd5c3fd-57af-4d8f-aecf-7698e152dd6f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NaturalGasUsRegulatedMember_fef06880-82e3-4cf7-830c-dde1e7429d49" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NaturalGasUsRegulatedMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_14df0d23-ce8e-41a0-ae4c-bc53e202b2ce" xlink:to="loc_us-gaap_NaturalGasUsRegulatedMember_fef06880-82e3-4cf7-830c-dde1e7429d49" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_72a92c84-36ba-4c23-bda2-b57a4d765dc7" 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_cb120fc1-9f6f-414d-b0fe-dea6fa280d7a" xlink:to="loc_dei_LegalEntityAxis_72a92c84-36ba-4c23-bda2-b57a4d765dc7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_2b5e064f-6ac5-4849-a083-f3d41779c705" 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_72a92c84-36ba-4c23-bda2-b57a4d765dc7" xlink:to="loc_dei_EntityDomain_2b5e064f-6ac5-4849-a083-f3d41779c705" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_67145298-1711-4a78-a1e4-25f3cf93a533" xlink:href="exc-20230331.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2b5e064f-6ac5-4849-a083-f3d41779c705" xlink:to="loc_exc_ExelonGenerationCoLLCMember_67145298-1711-4a78-a1e4-25f3cf93a533" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_4dd5619d-f187-420f-be0f-b676c8a31a59" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2b5e064f-6ac5-4849-a083-f3d41779c705" xlink:to="loc_exc_CommonwealthEdisonCoMember_4dd5619d-f187-420f-be0f-b676c8a31a59" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_8a27e7e6-daf6-46cd-b6cc-203aa7060b06" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2b5e064f-6ac5-4849-a083-f3d41779c705" xlink:to="loc_exc_PecoEnergyCoMember_8a27e7e6-daf6-46cd-b6cc-203aa7060b06" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_eaac07e6-f498-4d3b-9226-7f362f87fa28" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2b5e064f-6ac5-4849-a083-f3d41779c705" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_eaac07e6-f498-4d3b-9226-7f362f87fa28" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_0eb2873b-f34f-40f8-be1d-f7d947f1defc" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2b5e064f-6ac5-4849-a083-f3d41779c705" xlink:to="loc_exc_PepcoHoldingsLLCMember_0eb2873b-f34f-40f8-be1d-f7d947f1defc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_c4190bc7-b653-442c-ae4e-16c9ca880512" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2b5e064f-6ac5-4849-a083-f3d41779c705" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_c4190bc7-b653-442c-ae4e-16c9ca880512" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_aaa66d29-74d7-4ed0-8d9f-5a4250676700" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2b5e064f-6ac5-4849-a083-f3d41779c705" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_aaa66d29-74d7-4ed0-8d9f-5a4250676700" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_90239838-f2c8-48b8-a5bd-df28c1506e3f" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2b5e064f-6ac5-4849-a083-f3d41779c705" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_90239838-f2c8-48b8-a5bd-df28c1506e3f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_7b1700c3-792b-433e-8595-e0171265969f" 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_cb120fc1-9f6f-414d-b0fe-dea6fa280d7a" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_7b1700c3-792b-433e-8595-e0171265969f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_56c183b4-50a6-4e82-aae3-97cf79703baf" 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_7b1700c3-792b-433e-8595-e0171265969f" xlink:to="loc_us-gaap_EquityComponentDomain_56c183b4-50a6-4e82-aae3-97cf79703baf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_8d25f96d-890d-4460-a673-5df0eb3d2aab" 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_56c183b4-50a6-4e82-aae3-97cf79703baf" xlink:to="loc_us-gaap_CommonStockMember_8d25f96d-890d-4460-a673-5df0eb3d2aab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_2b496b2a-f007-4953-8ffe-db3e68940dd4" 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_cb120fc1-9f6f-414d-b0fe-dea6fa280d7a" xlink:to="loc_us-gaap_StatementLineItems_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_42f5238d-3f35-4949-917a-4b4523253382" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_RevenuesAbstract_42f5238d-3f35-4949-917a-4b4523253382" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_d6e8ed53-930e-43ef-8fa3-50c5e0399483" 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_42f5238d-3f35-4949-917a-4b4523253382" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_d6e8ed53-930e-43ef-8fa3-50c5e0399483" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_TrueupAdjustmentstoDecouplingMechanismsandFormulaRates_b7bd17c0-076e-4190-b4de-5e2fc38c99ed" xlink:href="exc-20230331.xsd#exc_TrueupAdjustmentstoDecouplingMechanismsandFormulaRates"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_42f5238d-3f35-4949-917a-4b4523253382" xlink:to="loc_exc_TrueupAdjustmentstoDecouplingMechanismsandFormulaRates_b7bd17c0-076e-4190-b4de-5e2fc38c99ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromRelatedParties_f2f9e06b-80d1-42a2-969f-410d9307e2b7" 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_42f5238d-3f35-4949-917a-4b4523253382" xlink:to="loc_us-gaap_RevenueFromRelatedParties_f2f9e06b-80d1-42a2-969f-410d9307e2b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_e04bcef2-5e6e-4490-80c8-6674fb869176" 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_42f5238d-3f35-4949-917a-4b4523253382" xlink:to="loc_us-gaap_Revenues_e04bcef2-5e6e-4490-80c8-6674fb869176" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpensesAbstract_58ba5dfd-6242-4545-bf54-242fa8558eb1" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_CostsAndExpensesAbstract_58ba5dfd-6242-4545-bf54-242fa8558eb1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostDirectMaterial_fb47f6bf-b9e0-4962-a246-9f097f8c3220" 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_58ba5dfd-6242-4545-bf54-242fa8558eb1" xlink:to="loc_us-gaap_CostDirectMaterial_fb47f6bf-b9e0-4962-a246-9f097f8c3220" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionAmountsOfTransaction_45b93ccf-f9c1-4fd6-9018-f8ba3a47f166" 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_58ba5dfd-6242-4545-bf54-242fa8558eb1" xlink:to="loc_us-gaap_RelatedPartyTransactionAmountsOfTransaction_45b93ccf-f9c1-4fd6-9018-f8ba3a47f166" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty_eb041fef-031f-48ba-8f4a-4323f1352fe8" 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_58ba5dfd-6242-4545-bf54-242fa8558eb1" xlink:to="loc_us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty_eb041fef-031f-48ba-8f4a-4323f1352fe8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses_beda5aae-2157-41f5-8572-5055fbb01785" 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_58ba5dfd-6242-4545-bf54-242fa8558eb1" xlink:to="loc_us-gaap_UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses_beda5aae-2157-41f5-8572-5055fbb01785" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_9cbc56c2-15d8-4cc2-b17c-169c9ccb25e5" 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_58ba5dfd-6242-4545-bf54-242fa8558eb1" xlink:to="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_9cbc56c2-15d8-4cc2-b17c-169c9ccb25e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_876f34bc-be0b-4f9d-9c87-48c6cd2bc6cf" 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_58ba5dfd-6242-4545-bf54-242fa8558eb1" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_876f34bc-be0b-4f9d-9c87-48c6cd2bc6cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxesExcludingIncomeAndExciseTaxes_e748fb81-e5ae-4b51-8531-3a1741867bf6" 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_58ba5dfd-6242-4545-bf54-242fa8558eb1" xlink:to="loc_us-gaap_TaxesExcludingIncomeAndExciseTaxes_e748fb81-e5ae-4b51-8531-3a1741867bf6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_4139331b-6607-488e-bc4b-83b982170685" 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_58ba5dfd-6242-4545-bf54-242fa8558eb1" xlink:to="loc_us-gaap_CostsAndExpenses_4139331b-6607-488e-bc4b-83b982170685" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfOtherAssets_62953d15-1f29-469c-b71c-dae1d1493c6b" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_GainLossOnSaleOfOtherAssets_62953d15-1f29-469c-b71c-dae1d1493c6b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeconsolidationGainOrLossAmount_28f9e627-373b-43f3-a0bc-33c4d6455c85" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_DeconsolidationGainOrLossAmount_28f9e627-373b-43f3-a0bc-33c4d6455c85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_15dc91b5-90dd-4d4e-80bb-b29bc6583bd2" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_OperatingIncomeLoss_15dc91b5-90dd-4d4e-80bb-b29bc6583bd2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract_bbf6a1b6-f235-4ef9-8db7-3f9993756ab3" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_NonoperatingIncomeExpenseAbstract_bbf6a1b6-f235-4ef9-8db7-3f9993756ab3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseBorrowings_7a1dca6d-ab4f-403e-9666-6ca028bee962" 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_bbf6a1b6-f235-4ef9-8db7-3f9993756ab3" xlink:to="loc_us-gaap_InterestExpenseBorrowings_7a1dca6d-ab4f-403e-9666-6ca028bee962" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseRelatedParty_964315a2-2339-4464-bd45-12657df369b2" 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_bbf6a1b6-f235-4ef9-8db7-3f9993756ab3" xlink:to="loc_us-gaap_InterestExpenseRelatedParty_964315a2-2339-4464-bd45-12657df369b2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_5f63410d-1b0e-4adb-acf9-c59c57cb2d52" 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_bbf6a1b6-f235-4ef9-8db7-3f9993756ab3" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_5f63410d-1b0e-4adb-acf9-c59c57cb2d52" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_2ef01057-43ae-45d4-b420-98fc8fa0e253" 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_bbf6a1b6-f235-4ef9-8db7-3f9993756ab3" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_2ef01057-43ae-45d4-b420-98fc8fa0e253" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_5db688c2-1695-4444-950e-9fcebaac300f" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_5db688c2-1695-4444-950e-9fcebaac300f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_dab0455b-aedd-4210-8452-7f2fb8fe7110" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_dab0455b-aedd-4210-8452-7f2fb8fe7110" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_e8225935-c1ce-4e21-8ae0-48481cd5d0cb" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_e8225935-c1ce-4e21-8ae0-48481cd5d0cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_1b4105df-73c6-4c1c-a9fb-978d53481668" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_1b4105df-73c6-4c1c-a9fb-978d53481668" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_5990838e-7437-4500-8826-fb7639f167f8" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_5990838e-7437-4500-8826-fb7639f167f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_3749a52d-f741-465f-aa31-9b94bcc6d65f" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_ProfitLoss_3749a52d-f741-465f-aa31-9b94bcc6d65f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_be3abf62-d284-4da6-884f-32c429b03087" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_be3abf62-d284-4da6-884f-32c429b03087" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_26ee1504-d597-43bc-a414-4bcf3574fc10" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_26ee1504-d597-43bc-a414-4bcf3574fc10" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic_5066e540-fffd-4b9d-92e5-3bb735421565" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic_5066e540-fffd-4b9d-92e5-3bb735421565" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_9100699e-1a64-43d9-b34a-f001fbdf18b8" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_9100699e-1a64-43d9-b34a-f001fbdf18b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_449fd8fa-d3ae-4580-bbd5-183f70afcc21" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_NetIncomeLoss_449fd8fa-d3ae-4580-bbd5-183f70afcc21" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_3ddceb2b-abef-45cb-a411-5ec6fad42888" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_3ddceb2b-abef-45cb-a411-5ec6fad42888" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax_75024630-8eb2-4207-937f-430a2f141893" 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_3ddceb2b-abef-45cb-a411-5ec6fad42888" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax_75024630-8eb2-4207-937f-430a2f141893" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax_43865ab4-1d5f-449a-85e7-f16d02f8e3bc" 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_3ddceb2b-abef-45cb-a411-5ec6fad42888" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax_43865ab4-1d5f-449a-85e7-f16d02f8e3bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax_74f41480-ad08-47c5-9552-88727822464a" 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_3ddceb2b-abef-45cb-a411-5ec6fad42888" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax_74f41480-ad08-47c5-9552-88727822464a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_d0efea86-4a78-421c-a8a9-e02065843cde" 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_3ddceb2b-abef-45cb-a411-5ec6fad42888" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_d0efea86-4a78-421c-a8a9-e02065843cde" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherComprehensiveIncomeUnrealizedIncomeLossOnEquityInvestmentsArisingDuringPeriodNetOfTax_38e2857e-60f7-42ed-824a-f421dd3ad898" xlink:href="exc-20230331.xsd#exc_OtherComprehensiveIncomeUnrealizedIncomeLossOnEquityInvestmentsArisingDuringPeriodNetOfTax"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_3ddceb2b-abef-45cb-a411-5ec6fad42888" xlink:to="loc_exc_OtherComprehensiveIncomeUnrealizedIncomeLossOnEquityInvestmentsArisingDuringPeriodNetOfTax_38e2857e-60f7-42ed-824a-f421dd3ad898" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_03e991c4-ce15-44d4-a8b5-945b8bdaad9d" 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_3ddceb2b-abef-45cb-a411-5ec6fad42888" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_03e991c4-ce15-44d4-a8b5-945b8bdaad9d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_e8fcbd51-0d1a-4bfe-b266-4a0eb53a8e25" 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_3ddceb2b-abef-45cb-a411-5ec6fad42888" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_e8fcbd51-0d1a-4bfe-b266-4a0eb53a8e25" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_5beb7795-6519-445a-b4ff-45a0abfc26bf" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_5beb7795-6519-445a-b4ff-45a0abfc26bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_33f1c49b-dff1-4771-853a-de17b689a036" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_33f1c49b-dff1-4771-853a-de17b689a036" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_f4ee7405-4c88-4598-a630-6cf2b2878901" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_f4ee7405-4c88-4598-a630-6cf2b2878901" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_a3ec8e82-e1bc-4b29-b897-4a2ef3fe798f" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_a3ec8e82-e1bc-4b29-b897-4a2ef3fe798f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_461c8806-adbe-49ee-8e8f-78dcee5d82ec" 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_a3ec8e82-e1bc-4b29-b897-4a2ef3fe798f" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_461c8806-adbe-49ee-8e8f-78dcee5d82ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_dfc475e4-d99f-40ca-90ce-89cecc5a1681" 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_a3ec8e82-e1bc-4b29-b897-4a2ef3fe798f" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_dfc475e4-d99f-40ca-90ce-89cecc5a1681" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_a7d0a7b4-89e0-4cf0-934c-34aeae8ab349" 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_a3ec8e82-e1bc-4b29-b897-4a2ef3fe798f" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_a7d0a7b4-89e0-4cf0-934c-34aeae8ab349" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_f74d8a55-1523-41c9-8a11-f7e6fe3a1240" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_EarningsPerShareAbstract_f74d8a55-1523-41c9-8a11-f7e6fe3a1240" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_65c793e8-fb0b-4cf0-ab55-0a4220f56ad8" 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_f74d8a55-1523-41c9-8a11-f7e6fe3a1240" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_65c793e8-fb0b-4cf0-ab55-0a4220f56ad8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_e31c8571-8e2d-4077-bd7d-bc48528e0cdb" 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_f74d8a55-1523-41c9-8a11-f7e6fe3a1240" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_e31c8571-8e2d-4077-bd7d-bc48528e0cdb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare_7e765288-9365-43da-a863-2a3e0966a5e2" 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_f74d8a55-1523-41c9-8a11-f7e6fe3a1240" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare_7e765288-9365-43da-a863-2a3e0966a5e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare_c25f1a54-4ffc-4169-9ec9-e63827dc6c11" 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_f74d8a55-1523-41c9-8a11-f7e6fe3a1240" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare_c25f1a54-4ffc-4169-9ec9-e63827dc6c11" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_8d8f212c-35ec-4d4a-8adc-551c5d862363" 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_2b496b2a-f007-4953-8ffe-db3e68940dd4" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_8d8f212c-35ec-4d4a-8adc-551c5d862363" 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-20230331.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_8a1e4f9e-22bd-4adb-94a7-5b8f2ff345b2" 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_6df3dfc1-8561-4a16-b36e-87a2e4157eb5" 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_8a1e4f9e-22bd-4adb-94a7-5b8f2ff345b2" xlink:to="loc_us-gaap_StatementTable_6df3dfc1-8561-4a16-b36e-87a2e4157eb5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_ce3c9bb2-d1c8-472e-8370-3ec16a4878ce" 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_6df3dfc1-8561-4a16-b36e-87a2e4157eb5" xlink:to="loc_dei_LegalEntityAxis_ce3c9bb2-d1c8-472e-8370-3ec16a4878ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_fd2bd670-0e63-4d2f-b399-d61df4afb2a0" 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_ce3c9bb2-d1c8-472e-8370-3ec16a4878ce" xlink:to="loc_dei_EntityDomain_fd2bd670-0e63-4d2f-b399-d61df4afb2a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_76602cbe-69f5-4bda-aca3-8909cf3c3577" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_fd2bd670-0e63-4d2f-b399-d61df4afb2a0" xlink:to="loc_exc_CommonwealthEdisonCoMember_76602cbe-69f5-4bda-aca3-8909cf3c3577" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_91f7cbed-fbc8-4d35-9024-af6007f0f78a" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_fd2bd670-0e63-4d2f-b399-d61df4afb2a0" xlink:to="loc_exc_PecoEnergyCoMember_91f7cbed-fbc8-4d35-9024-af6007f0f78a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_5add4f79-f857-4627-8ae5-12447b22ff82" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_fd2bd670-0e63-4d2f-b399-d61df4afb2a0" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_5add4f79-f857-4627-8ae5-12447b22ff82" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_cfe18804-8abf-4d69-90f1-7c21e5c4807b" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_fd2bd670-0e63-4d2f-b399-d61df4afb2a0" xlink:to="loc_exc_PepcoHoldingsLLCMember_cfe18804-8abf-4d69-90f1-7c21e5c4807b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_a6ccbc9d-9b86-4cdf-94b0-29d61cc1ad2c" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_fd2bd670-0e63-4d2f-b399-d61df4afb2a0" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_a6ccbc9d-9b86-4cdf-94b0-29d61cc1ad2c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_ab33dbf0-d3e1-4df4-83d6-16260bbd371f" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_fd2bd670-0e63-4d2f-b399-d61df4afb2a0" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_ab33dbf0-d3e1-4df4-83d6-16260bbd371f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_fc38e0b1-615d-4ad2-9cc8-7146fcd980f3" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_fd2bd670-0e63-4d2f-b399-d61df4afb2a0" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_fc38e0b1-615d-4ad2-9cc8-7146fcd980f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_0bb754da-a170-4aa9-803c-6a5aa6406d60" 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_6df3dfc1-8561-4a16-b36e-87a2e4157eb5" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_0bb754da-a170-4aa9-803c-6a5aa6406d60" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_e4f9cfcb-c427-4c05-bc68-5d8e4f2671e5" 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_0bb754da-a170-4aa9-803c-6a5aa6406d60" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_e4f9cfcb-c427-4c05-bc68-5d8e4f2671e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_649c75e4-75de-41b6-8b8e-e989ef57824c" xlink:href="exc-20230331.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_e4f9cfcb-c427-4c05-bc68-5d8e4f2671e5" xlink:to="loc_exc_ExelonGenerationCoLLCMember_649c75e4-75de-41b6-8b8e-e989ef57824c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_af9e281e-2f2e-4126-9205-d0ec698019f8" 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_6df3dfc1-8561-4a16-b36e-87a2e4157eb5" xlink:to="loc_us-gaap_StatementLineItems_af9e281e-2f2e-4126-9205-d0ec698019f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_0cc06c2c-7892-4c24-858b-c44582c721db" 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_af9e281e-2f2e-4126-9205-d0ec698019f8" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_0cc06c2c-7892-4c24-858b-c44582c721db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_2849504c-bffa-48d5-9082-150a863bf911" 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_0cc06c2c-7892-4c24-858b-c44582c721db" xlink:to="loc_us-gaap_ProfitLoss_2849504c-bffa-48d5-9082-150a863bf911" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_ee68fd51-02c3-4277-a487-a4fcbbf27d82" 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_0cc06c2c-7892-4c24-858b-c44582c721db" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_ee68fd51-02c3-4277-a487-a4fcbbf27d82" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_06d889ef-b6c9-4bf5-9f87-0408e993da37" 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_ee68fd51-02c3-4277-a487-a4fcbbf27d82" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_06d889ef-b6c9-4bf5-9f87-0408e993da37" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_72c6e9ba-d100-4bae-b898-2ac117a9a08e" 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_ee68fd51-02c3-4277-a487-a4fcbbf27d82" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_72c6e9ba-d100-4bae-b898-2ac117a9a08e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_25b48add-8dfd-4ac2-807c-f2173bfafcaa" 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_ee68fd51-02c3-4277-a487-a4fcbbf27d82" xlink:to="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_25b48add-8dfd-4ac2-807c-f2173bfafcaa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_91983028-0140-42dc-9882-a1cf12dc062c" 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_ee68fd51-02c3-4277-a487-a4fcbbf27d82" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_91983028-0140-42dc-9882-a1cf12dc062c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_023f9fa2-0fb9-4a93-bf09-96cc6ae61ba8" 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_ee68fd51-02c3-4277-a487-a4fcbbf27d82" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_023f9fa2-0fb9-4a93-bf09-96cc6ae61ba8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnInvestments_ea80610c-964c-4cb2-8e1e-9376ad035c85" 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_ee68fd51-02c3-4277-a487-a4fcbbf27d82" xlink:to="loc_us-gaap_GainLossOnInvestments_ea80610c-964c-4cb2-8e1e-9376ad035c85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_9f795b4e-b6c4-40b4-903e-783672622ed2" 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_ee68fd51-02c3-4277-a487-a4fcbbf27d82" xlink:to="loc_us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_9f795b4e-b6c4-40b4-903e-783672622ed2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_6525d3dd-24c0-4bc0-b056-ae7ac5f607ca" 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_ee68fd51-02c3-4277-a487-a4fcbbf27d82" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_6525d3dd-24c0-4bc0-b056-ae7ac5f607ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_ab159cc5-168b-4b5f-9c3a-939b9da86627" 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_0cc06c2c-7892-4c24-858b-c44582c721db" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_ab159cc5-168b-4b5f-9c3a-939b9da86627" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_31896db7-ea2c-492c-8aa6-59a52c116be6" 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_ab159cc5-168b-4b5f-9c3a-939b9da86627" xlink:to="loc_us-gaap_IncreaseDecreaseInReceivables_31896db7-ea2c-492c-8aa6-59a52c116be6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ChangeinReceivablesFromPayablesToAffiliatesNet_e3ecd9a2-b627-4378-bd5d-02d524436e1b" xlink:href="exc-20230331.xsd#exc_ChangeinReceivablesFromPayablesToAffiliatesNet"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_ab159cc5-168b-4b5f-9c3a-939b9da86627" xlink:to="loc_exc_ChangeinReceivablesFromPayablesToAffiliatesNet_e3ecd9a2-b627-4378-bd5d-02d524436e1b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_86d2f39f-acf8-4be8-bc87-0dfd03e62e29" 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_ab159cc5-168b-4b5f-9c3a-939b9da86627" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_86d2f39f-acf8-4be8-bc87-0dfd03e62e29" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_d1e2cc5e-5504-4770-8a80-ef49fbdb166b" 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_ab159cc5-168b-4b5f-9c3a-939b9da86627" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_d1e2cc5e-5504-4770-8a80-ef49fbdb166b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ChangesInOptionPremiumsCollectedReceived_2536bfcc-fcd9-4f23-8afd-ab34e5923ffc" xlink:href="exc-20230331.xsd#exc_ChangesInOptionPremiumsCollectedReceived"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_ab159cc5-168b-4b5f-9c3a-939b9da86627" xlink:to="loc_exc_ChangesInOptionPremiumsCollectedReceived_2536bfcc-fcd9-4f23-8afd-ab34e5923ffc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseCashCollateralFromCounterparties_a031347d-02be-405b-b8fb-1fe7d8d5b5ed" 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_ab159cc5-168b-4b5f-9c3a-939b9da86627" xlink:to="loc_us-gaap_IncreaseDecreaseCashCollateralFromCounterparties_a031347d-02be-405b-b8fb-1fe7d8d5b5ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_429c6de9-5928-4dfa-b6ce-ce6ebaed7394" 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_ab159cc5-168b-4b5f-9c3a-939b9da86627" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_429c6de9-5928-4dfa-b6ce-ce6ebaed7394" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInRegulatoryAssetsAndLiabilities_99b9a06a-3b3f-44e2-835e-169786fb23cc" 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_ab159cc5-168b-4b5f-9c3a-939b9da86627" xlink:to="loc_us-gaap_IncreaseDecreaseInRegulatoryAssetsAndLiabilities_99b9a06a-3b3f-44e2-835e-169786fb23cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitContributions_772b2cad-6bcb-40c1-a586-54589b3c613f" 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_ab159cc5-168b-4b5f-9c3a-939b9da86627" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitContributions_772b2cad-6bcb-40c1-a586-54589b3c613f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_9e58d29f-64f3-45d3-9a5d-fe57c1c59dd0" 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_ab159cc5-168b-4b5f-9c3a-939b9da86627" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_9e58d29f-64f3-45d3-9a5d-fe57c1c59dd0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_bce96715-9685-4df5-92ca-8251c12e30ea" 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_0cc06c2c-7892-4c24-858b-c44582c721db" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_bce96715-9685-4df5-92ca-8251c12e30ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_dca5f04d-3fcb-48d4-a246-b6dfd704c4d8" 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_af9e281e-2f2e-4126-9205-d0ec698019f8" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_dca5f04d-3fcb-48d4-a246-b6dfd704c4d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_3d44da11-4536-4b30-92e8-09bd7013e6a8" 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_dca5f04d-3fcb-48d4-a246-b6dfd704c4d8" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_3d44da11-4536-4b30-92e8-09bd7013e6a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseDueFromAffiliates_ea89fd76-7165-4aac-952d-e218e14ca132" 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_dca5f04d-3fcb-48d4-a246-b6dfd704c4d8" xlink:to="loc_us-gaap_IncreaseDecreaseDueFromAffiliates_ea89fd76-7165-4aac-952d-e218e14ca132" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_64aac1bc-9021-47f0-9c80-b919416352f7" 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_dca5f04d-3fcb-48d4-a246-b6dfd704c4d8" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_64aac1bc-9021-47f0-9c80-b919416352f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireOtherInvestments_54e27172-86cf-4470-bb88-f69ba7bbd1ad" 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_dca5f04d-3fcb-48d4-a246-b6dfd704c4d8" xlink:to="loc_us-gaap_PaymentsToAcquireOtherInvestments_54e27172-86cf-4470-bb88-f69ba7bbd1ad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables_f8c66eec-f8b3-4d05-9eec-51dbd761ff99" 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_dca5f04d-3fcb-48d4-a246-b6dfd704c4d8" xlink:to="loc_us-gaap_ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables_f8c66eec-f8b3-4d05-9eec-51dbd761ff99" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyHeldForSale_e607a794-1f8a-4fce-9ab8-95a3d0d0b14c" 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_dca5f04d-3fcb-48d4-a246-b6dfd704c4d8" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyHeldForSale_e607a794-1f8a-4fce-9ab8-95a3d0d0b14c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_5314bf39-4344-46fe-a716-4c2b60621991" 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_dca5f04d-3fcb-48d4-a246-b6dfd704c4d8" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_5314bf39-4344-46fe-a716-4c2b60621991" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_da135b30-9a96-4ac4-92f6-2fd3a40abec6" 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_dca5f04d-3fcb-48d4-a246-b6dfd704c4d8" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_da135b30-9a96-4ac4-92f6-2fd3a40abec6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_36d1ff2f-b02e-47af-adff-4dc92b85f9bd" 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_af9e281e-2f2e-4126-9205-d0ec698019f8" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_36d1ff2f-b02e-47af-adff-4dc92b85f9bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess_72ed890c-f45f-42e1-9e12-10636a0c1fa8" 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_36d1ff2f-b02e-47af-adff-4dc92b85f9bd" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess_72ed890c-f45f-42e1-9e12-10636a0c1fa8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths_c14c3300-699c-406e-8fa5-69f44160b46b" 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_36d1ff2f-b02e-47af-adff-4dc92b85f9bd" xlink:to="loc_us-gaap_ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths_c14c3300-699c-406e-8fa5-69f44160b46b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths_4f2bff58-5e0f-4bf7-b18e-a78dd263d718" 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_36d1ff2f-b02e-47af-adff-4dc92b85f9bd" xlink:to="loc_us-gaap_RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths_4f2bff58-5e0f-4bf7-b18e-a78dd263d718" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1bc296c2-b0f9-49c8-b80a-f90be3a6b10c" 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_36d1ff2f-b02e-47af-adff-4dc92b85f9bd" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1bc296c2-b0f9-49c8-b80a-f90be3a6b10c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_c1b0eb5a-1f53-4b8b-889f-c174c8578b7c" 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_36d1ff2f-b02e-47af-adff-4dc92b85f9bd" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_c1b0eb5a-1f53-4b8b-889f-c174c8578b7c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_a995a681-3a22-4dc6-aa39-df2ddf42c8a1" 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_36d1ff2f-b02e-47af-adff-4dc92b85f9bd" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_a995a681-3a22-4dc6-aa39-df2ddf42c8a1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDueToAffiliatesCurrent_2ea4b6f3-2219-4139-a6c7-62adbdace592" 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_36d1ff2f-b02e-47af-adff-4dc92b85f9bd" xlink:to="loc_us-gaap_IncreaseDecreaseInDueToAffiliatesCurrent_2ea4b6f3-2219-4139-a6c7-62adbdace592" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDistributionsToAffiliates_ec924776-6c4a-4d0e-83e9-a30431dc4316" 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_36d1ff2f-b02e-47af-adff-4dc92b85f9bd" xlink:to="loc_us-gaap_PaymentsOfDistributionsToAffiliates_ec924776-6c4a-4d0e-83e9-a30431dc4316" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromContributionsFromAffiliates_463fee20-a73b-4010-b1a3-ef9400aac36e" 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_36d1ff2f-b02e-47af-adff-4dc92b85f9bd" xlink:to="loc_us-gaap_ProceedsFromContributionsFromAffiliates_463fee20-a73b-4010-b1a3-ef9400aac36e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_da30fc5e-f697-45b7-92ec-ea8d5483bc4d" 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_36d1ff2f-b02e-47af-adff-4dc92b85f9bd" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_da30fc5e-f697-45b7-92ec-ea8d5483bc4d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_4eb285a7-ab36-44f5-b34c-329fc1ffb5ac" 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_36d1ff2f-b02e-47af-adff-4dc92b85f9bd" xlink:to="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_4eb285a7-ab36-44f5-b34c-329fc1ffb5ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromContributionsFromParent_2af4bead-f874-4c6e-afd0-bbb9da4de36e" 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_36d1ff2f-b02e-47af-adff-4dc92b85f9bd" xlink:to="loc_us-gaap_ProceedsFromContributionsFromParent_2af4bead-f874-4c6e-afd0-bbb9da4de36e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockPlans_e7940afa-7060-4e7f-9019-a675a92e29a9" 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_36d1ff2f-b02e-47af-adff-4dc92b85f9bd" xlink:to="loc_us-gaap_ProceedsFromStockPlans_e7940afa-7060-4e7f-9019-a675a92e29a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_TransferOfCashRestrictedCashAndCashEquivalentsToConstellation_5241ce5f-2f85-4c96-bb99-ecbb6b5817dd" xlink:href="exc-20230331.xsd#exc_TransferOfCashRestrictedCashAndCashEquivalentsToConstellation"/>
<link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_36d1ff2f-b02e-47af-adff-4dc92b85f9bd" xlink:to="loc_exc_TransferOfCashRestrictedCashAndCashEquivalentsToConstellation_5241ce5f-2f85-4c96-bb99-ecbb6b5817dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_8451f747-ec90-4bce-bbd4-4fa48d65c3d3" 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_36d1ff2f-b02e-47af-adff-4dc92b85f9bd" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_8451f747-ec90-4bce-bbd4-4fa48d65c3d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_aa2a5646-84d3-4fe5-bee1-c93c630b5309" 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_36d1ff2f-b02e-47af-adff-4dc92b85f9bd" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_aa2a5646-84d3-4fe5-bee1-c93c630b5309" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_3f959eed-5d76-4324-bb09-60a76078e181" 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_af9e281e-2f2e-4126-9205-d0ec698019f8" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_3f959eed-5d76-4324-bb09-60a76078e181" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_18f92ebf-375f-47ae-a1e2-6d9aaac2bc63" 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_af9e281e-2f2e-4126-9205-d0ec698019f8" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_18f92ebf-375f-47ae-a1e2-6d9aaac2bc63" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_6f445a7d-42fb-479b-81c8-e5a0cf9c862d" 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_af9e281e-2f2e-4126-9205-d0ec698019f8" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_6f445a7d-42fb-479b-81c8-e5a0cf9c862d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_b510c623-7258-4347-8819-6bd2270e99cb" 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_af9e281e-2f2e-4126-9205-d0ec698019f8" xlink:to="loc_us-gaap_SupplementalCashFlowInformationAbstract_b510c623-7258-4347-8819-6bd2270e99cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ChangeinCapitalExpendituresIncurredButNotYetPaid_7a3ac2dc-344c-42e7-8aa3-03d19f3d3b61" xlink:href="exc-20230331.xsd#exc_ChangeinCapitalExpendituresIncurredButNotYetPaid"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_b510c623-7258-4347-8819-6bd2270e99cb" xlink:to="loc_exc_ChangeinCapitalExpendituresIncurredButNotYetPaid_7a3ac2dc-344c-42e7-8aa3-03d19f3d3b61" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalDeferredPurchasePrice_6e59c4ae-5ce1-49a7-ab98-8754c4213fbf" 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_b510c623-7258-4347-8819-6bd2270e99cb" xlink:to="loc_us-gaap_SupplementalDeferredPurchasePrice_6e59c4ae-5ce1-49a7-ab98-8754c4213fbf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsIncurredAssetRetirementObligationIncurred_c3399f9f-76b8-4e32-9fac-e60a2727385c" 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_b510c623-7258-4347-8819-6bd2270e99cb" xlink:to="loc_us-gaap_CostsIncurredAssetRetirementObligationIncurred_c3399f9f-76b8-4e32-9fac-e60a2727385c" 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-20230331.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_d90d8056-8bd5-40f0-9f23-77ed68407c0f" 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_4a427278-da9c-48f1-8119-ea50f1ba4cb1" 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_d90d8056-8bd5-40f0-9f23-77ed68407c0f" xlink:to="loc_us-gaap_StatementTable_4a427278-da9c-48f1-8119-ea50f1ba4cb1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_3dca6522-71a2-4e61-b00d-e33ae387a101" 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_4a427278-da9c-48f1-8119-ea50f1ba4cb1" xlink:to="loc_dei_LegalEntityAxis_3dca6522-71a2-4e61-b00d-e33ae387a101" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_f3adf48a-ad26-45af-ae3e-2bce81af86e0" 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_3dca6522-71a2-4e61-b00d-e33ae387a101" xlink:to="loc_dei_EntityDomain_f3adf48a-ad26-45af-ae3e-2bce81af86e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_c865c294-ec76-47c5-879b-bb3805ccfa5e" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f3adf48a-ad26-45af-ae3e-2bce81af86e0" xlink:to="loc_exc_CommonwealthEdisonCoMember_c865c294-ec76-47c5-879b-bb3805ccfa5e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_6b637fdc-49e3-4a71-8b20-98f8a88deb59" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f3adf48a-ad26-45af-ae3e-2bce81af86e0" xlink:to="loc_exc_PecoEnergyCoMember_6b637fdc-49e3-4a71-8b20-98f8a88deb59" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_9425e745-f49e-4cff-83b5-4d8c0ad31476" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f3adf48a-ad26-45af-ae3e-2bce81af86e0" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_9425e745-f49e-4cff-83b5-4d8c0ad31476" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_72041a36-6954-40f3-84f1-4c584ce33f0e" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f3adf48a-ad26-45af-ae3e-2bce81af86e0" xlink:to="loc_exc_PepcoHoldingsLLCMember_72041a36-6954-40f3-84f1-4c584ce33f0e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_af0add7a-e3a8-4c40-8b8e-f9155e7cabe4" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f3adf48a-ad26-45af-ae3e-2bce81af86e0" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_af0add7a-e3a8-4c40-8b8e-f9155e7cabe4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_b26ca975-baff-484a-83ee-c08be292516c" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f3adf48a-ad26-45af-ae3e-2bce81af86e0" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_b26ca975-baff-484a-83ee-c08be292516c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_768f5855-6d1a-46d6-8bdb-a6bd0720e938" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f3adf48a-ad26-45af-ae3e-2bce81af86e0" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_768f5855-6d1a-46d6-8bdb-a6bd0720e938" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_960f0691-ff9a-41c1-856e-74bd08238bd8" 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_4a427278-da9c-48f1-8119-ea50f1ba4cb1" xlink:to="loc_us-gaap_StatementLineItems_960f0691-ff9a-41c1-856e-74bd08238bd8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_4b165b54-c3a9-43ca-b9d6-fcd2e2b8045f" 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_960f0691-ff9a-41c1-856e-74bd08238bd8" xlink:to="loc_us-gaap_AssetsAbstract_4b165b54-c3a9-43ca-b9d6-fcd2e2b8045f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_9187e0c2-7574-4e93-af5d-366c5178f912" 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_4b165b54-c3a9-43ca-b9d6-fcd2e2b8045f" xlink:to="loc_us-gaap_AssetsCurrentAbstract_9187e0c2-7574-4e93-af5d-366c5178f912" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_ff599be5-61b9-4080-b054-b26bd6a66607" 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_9187e0c2-7574-4e93-af5d-366c5178f912" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_ff599be5-61b9-4080-b054-b26bd6a66607" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_cabb096f-785c-4834-9797-cf2395edc223" 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_9187e0c2-7574-4e93-af5d-366c5178f912" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_cabb096f-785c-4834-9797-cf2395edc223" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrentAbstract_d9823386-c1a0-4a93-acc7-334a966e61e7" 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_9187e0c2-7574-4e93-af5d-366c5178f912" xlink:to="loc_us-gaap_AccountsReceivableNetCurrentAbstract_d9823386-c1a0-4a93-acc7-334a966e61e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_c7d29bc9-7adf-455b-ab55-ffb6b958cd47" 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_d9823386-c1a0-4a93-acc7-334a966e61e7" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_c7d29bc9-7adf-455b-ab55-ffb6b958cd47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_aef99dd8-8a9a-474b-a413-14d2a51f6e5f" 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_d9823386-c1a0-4a93-acc7-334a966e61e7" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_aef99dd8-8a9a-474b-a413-14d2a51f6e5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_f711ed3f-6755-48f6-a553-46bd3bdf87aa" 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_d9823386-c1a0-4a93-acc7-334a966e61e7" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_f711ed3f-6755-48f6-a553-46bd3bdf87aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivablesGrossCurrent_c9f13cb7-76a4-4ce9-af89-55ba248bcdcb" 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_d9823386-c1a0-4a93-acc7-334a966e61e7" xlink:to="loc_us-gaap_OtherReceivablesGrossCurrent_c9f13cb7-76a4-4ce9-af89-55ba248bcdcb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent_c2e41618-0eaa-4093-b2b9-31732f4e70d8" 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_d9823386-c1a0-4a93-acc7-334a966e61e7" xlink:to="loc_us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent_c2e41618-0eaa-4093-b2b9-31732f4e70d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivablesNetCurrent_84745f3e-2902-4aca-8626-f58e54dc4725" 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_d9823386-c1a0-4a93-acc7-334a966e61e7" xlink:to="loc_us-gaap_OtherReceivablesNetCurrent_84745f3e-2902-4aca-8626-f58e54dc4725" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_27e0933d-c847-468b-b4ee-607b7550e4e2" 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_9187e0c2-7574-4e93-af5d-366c5178f912" xlink:to="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_27e0933d-c847-468b-b4ee-607b7550e4e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueFromAffiliateCurrent_3e6ba67d-bcc9-4883-b91d-1ff661c6cd60" 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_9187e0c2-7574-4e93-af5d-366c5178f912" xlink:to="loc_us-gaap_DueFromAffiliateCurrent_3e6ba67d-bcc9-4883-b91d-1ff661c6cd60" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNetAbstract_2a507075-d83e-437b-8428-01767018f2fd" 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_9187e0c2-7574-4e93-af5d-366c5178f912" xlink:to="loc_us-gaap_InventoryNetAbstract_2a507075-d83e-437b-8428-01767018f2fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyRelatedInventoryNaturalGasInStorage_60f13607-6944-40a5-9db6-4cb228f863b2" 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_2a507075-d83e-437b-8428-01767018f2fd" xlink:to="loc_us-gaap_EnergyRelatedInventoryNaturalGasInStorage_60f13607-6944-40a5-9db6-4cb228f863b2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_45b4531d-fc58-4dff-9c88-aa4a441edc6a" 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_2a507075-d83e-437b-8428-01767018f2fd" xlink:to="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_45b4531d-fc58-4dff-9c88-aa4a441edc6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_be1f881a-2fc5-44e7-ade4-0dc719740fb5" 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_2a507075-d83e-437b-8428-01767018f2fd" xlink:to="loc_us-gaap_InventoryNet_be1f881a-2fc5-44e7-ade4-0dc719740fb5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidTaxes_1ffc433d-2a74-4fca-89da-2b8fc24b4d7c" 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_9187e0c2-7574-4e93-af5d-366c5178f912" xlink:to="loc_us-gaap_PrepaidTaxes_1ffc433d-2a74-4fca-89da-2b8fc24b4d7c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetsCurrent_e596fc91-3a64-40ba-bea7-8ba288df8445" 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_9187e0c2-7574-4e93-af5d-366c5178f912" xlink:to="loc_us-gaap_RegulatoryAssetsCurrent_e596fc91-3a64-40ba-bea7-8ba288df8445" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RenewableEnergyCreditsCurrent_18569241-d16a-4ea5-ba54-fcc151f053d6" xlink:href="exc-20230331.xsd#exc_RenewableEnergyCreditsCurrent"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_9187e0c2-7574-4e93-af5d-366c5178f912" xlink:to="loc_exc_RenewableEnergyCreditsCurrent_18569241-d16a-4ea5-ba54-fcc151f053d6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_0f14a225-4f8e-452b-b2fc-885ec4f3f5f8" 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_9187e0c2-7574-4e93-af5d-366c5178f912" xlink:to="loc_us-gaap_OtherAssetsCurrent_0f14a225-4f8e-452b-b2fc-885ec4f3f5f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_688319dd-82d7-4660-a9c1-7753ce3ced9b" 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_9187e0c2-7574-4e93-af5d-366c5178f912" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_688319dd-82d7-4660-a9c1-7753ce3ced9b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_6e03e694-897b-48c6-b19d-e07c5207b506" 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_9187e0c2-7574-4e93-af5d-366c5178f912" xlink:to="loc_us-gaap_AssetsCurrent_6e03e694-897b-48c6-b19d-e07c5207b506" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_e6cb7e55-4382-4b89-bd96-b5bf3b68ae16" 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_4b165b54-c3a9-43ca-b9d6-fcd2e2b8045f" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_e6cb7e55-4382-4b89-bd96-b5bf3b68ae16" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_209ebd94-398f-419f-9103-e1a1233cc095" 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_4b165b54-c3a9-43ca-b9d6-fcd2e2b8045f" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_209ebd94-398f-419f-9103-e1a1233cc095" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrentAbstract_72617a87-65c6-47a6-b932-7088c27221b9" 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_4b165b54-c3a9-43ca-b9d6-fcd2e2b8045f" xlink:to="loc_us-gaap_OtherAssetsNoncurrentAbstract_72617a87-65c6-47a6-b932-7088c27221b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetsNoncurrent_27bc6164-1204-418e-9951-8b9f1985667b" 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_72617a87-65c6-47a6-b932-7088c27221b9" xlink:to="loc_us-gaap_RegulatoryAssetsNoncurrent_27bc6164-1204-418e-9951-8b9f1985667b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_5949c2d0-b907-4a13-951f-f5a9f2dd375a" 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_72617a87-65c6-47a6-b932-7088c27221b9" xlink:to="loc_us-gaap_Goodwill_5949c2d0-b907-4a13-951f-f5a9f2dd375a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableRelatedPartiesNoncurrent_479a0106-2ff0-48e8-a7bc-6997f1237e04" 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_72617a87-65c6-47a6-b932-7088c27221b9" xlink:to="loc_us-gaap_AccountsReceivableRelatedPartiesNoncurrent_479a0106-2ff0-48e8-a7bc-6997f1237e04" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NontradeReceivablesNoncurrent_011fc03e-9101-4b2b-bf2f-b8e2529e3fec" 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_72617a87-65c6-47a6-b932-7088c27221b9" xlink:to="loc_us-gaap_NontradeReceivablesNoncurrent_011fc03e-9101-4b2b-bf2f-b8e2529e3fec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermInvestments_e9ef2212-20e5-4dc1-b9eb-ce9bac318389" 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_72617a87-65c6-47a6-b932-7088c27221b9" xlink:to="loc_us-gaap_LongTermInvestments_e9ef2212-20e5-4dc1-b9eb-ce9bac318389" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_0fc1a6b5-0f43-46ce-b078-5bf4a7d2ef9a" 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_72617a87-65c6-47a6-b932-7088c27221b9" xlink:to="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_0fc1a6b5-0f43-46ce-b078-5bf4a7d2ef9a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_be598ef3-aa26-498f-99d6-e531df31c20d" 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_72617a87-65c6-47a6-b932-7088c27221b9" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_be598ef3-aa26-498f-99d6-e531df31c20d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_39df3721-12df-4a1d-8be5-7b42f04906c1" 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_72617a87-65c6-47a6-b932-7088c27221b9" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_39df3721-12df-4a1d-8be5-7b42f04906c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_7ea71536-5d80-4e1e-8531-e3ea56e381ee" 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_72617a87-65c6-47a6-b932-7088c27221b9" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_7ea71536-5d80-4e1e-8531-e3ea56e381ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCostsAndOtherAssets_092e3568-fd16-4300-8afd-b80819f1acd7" 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_72617a87-65c6-47a6-b932-7088c27221b9" xlink:to="loc_us-gaap_DeferredCostsAndOtherAssets_092e3568-fd16-4300-8afd-b80819f1acd7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_fe9ca5af-34ea-4a92-8606-f2f6c0e7e1c4" 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_4b165b54-c3a9-43ca-b9d6-fcd2e2b8045f" xlink:to="loc_us-gaap_Assets_fe9ca5af-34ea-4a92-8606-f2f6c0e7e1c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_11ee2fc6-2bf6-4c3a-be6b-58629c5edfd4" 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_960f0691-ff9a-41c1-856e-74bd08238bd8" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_11ee2fc6-2bf6-4c3a-be6b-58629c5edfd4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_8cbed166-13ac-45ff-8579-d3d27091ee60" 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_11ee2fc6-2bf6-4c3a-be6b-58629c5edfd4" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_8cbed166-13ac-45ff-8579-d3d27091ee60" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_7cfa472b-bd57-4fd6-ba05-3f13d9c23d6d" 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_8cbed166-13ac-45ff-8579-d3d27091ee60" xlink:to="loc_us-gaap_ShortTermBorrowings_7cfa472b-bd57-4fd6-ba05-3f13d9c23d6d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_05872bed-e3c8-4a1c-9119-f5d64f45b111" 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_8cbed166-13ac-45ff-8579-d3d27091ee60" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_05872bed-e3c8-4a1c-9119-f5d64f45b111" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_de15f6ce-ee32-4236-83a3-495acfe1e9c0" 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_8cbed166-13ac-45ff-8579-d3d27091ee60" xlink:to="loc_us-gaap_AccountsPayableCurrent_de15f6ce-ee32-4236-83a3-495acfe1e9c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_623fd4f0-2bc5-4a08-a27f-79835da81e43" 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_8cbed166-13ac-45ff-8579-d3d27091ee60" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_623fd4f0-2bc5-4a08-a27f-79835da81e43" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_873b668e-be34-4bb5-b1d2-608a5894b72a" 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_8cbed166-13ac-45ff-8579-d3d27091ee60" xlink:to="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_873b668e-be34-4bb5-b1d2-608a5894b72a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueToAffiliateCurrent_7c40bc54-d61c-4d16-a3ca-5b39fe7af248" 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_8cbed166-13ac-45ff-8579-d3d27091ee60" xlink:to="loc_us-gaap_DueToAffiliateCurrent_7c40bc54-d61c-4d16-a3ca-5b39fe7af248" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerRefundLiabilityCurrent_e88115e3-da21-4da4-ad7a-298343dd2c65" 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_8cbed166-13ac-45ff-8579-d3d27091ee60" xlink:to="loc_us-gaap_ContractWithCustomerRefundLiabilityCurrent_e88115e3-da21-4da4-ad7a-298343dd2c65" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityCurrent_d2e55b1d-754c-4cf7-b879-785f5586598a" 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_8cbed166-13ac-45ff-8579-d3d27091ee60" xlink:to="loc_us-gaap_RegulatoryLiabilityCurrent_d2e55b1d-754c-4cf7-b879-785f5586598a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_c4da5f98-c13c-44e5-9106-42ebc7e3211b" 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_8cbed166-13ac-45ff-8579-d3d27091ee60" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_c4da5f98-c13c-44e5-9106-42ebc7e3211b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyMarketingContractLiabilitiesCurrent_e6531517-31f7-40f1-b07c-1af0f98ec520" 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_8cbed166-13ac-45ff-8579-d3d27091ee60" xlink:to="loc_us-gaap_EnergyMarketingContractLiabilitiesCurrent_e6531517-31f7-40f1-b07c-1af0f98ec520" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligation_7d4d88c8-d1bb-4c1a-94ec-63ed853eeef3" 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_8cbed166-13ac-45ff-8579-d3d27091ee60" xlink:to="loc_us-gaap_ContractualObligation_7d4d88c8-d1bb-4c1a-94ec-63ed853eeef3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_PayablesToCustomers_c81cd9ac-6c48-4473-9913-a04924a9bd10" 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_8cbed166-13ac-45ff-8579-d3d27091ee60" xlink:to="loc_srt_PayablesToCustomers_c81cd9ac-6c48-4473-9913-a04924a9bd10" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilities_d838f83e-0d92-434d-bf78-aa5317666f54" 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_8cbed166-13ac-45ff-8579-d3d27091ee60" xlink:to="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilities_d838f83e-0d92-434d-bf78-aa5317666f54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_81fafd26-b81e-47bc-aaec-7d6dc86ee7b9" 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_8cbed166-13ac-45ff-8579-d3d27091ee60" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_81fafd26-b81e-47bc-aaec-7d6dc86ee7b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_a973ccec-df8a-4aa4-85fe-5dd3eb8c1fd9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesCurrent"/>
<link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_8cbed166-13ac-45ff-8579-d3d27091ee60" xlink:to="loc_us-gaap_LiabilitiesCurrent_a973ccec-df8a-4aa4-85fe-5dd3eb8c1fd9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_6e1ba431-2d52-488e-b2eb-73bb498f6f56" 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_11ee2fc6-2bf6-4c3a-be6b-58629c5edfd4" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_6e1ba431-2d52-488e-b2eb-73bb498f6f56" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueToAffiliateNoncurrent_937ec180-e86c-4809-8cb8-25a13a692bf7" 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_11ee2fc6-2bf6-4c3a-be6b-58629c5edfd4" xlink:to="loc_us-gaap_DueToAffiliateNoncurrent_937ec180-e86c-4809-8cb8-25a13a692bf7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_66b6c9fa-90c7-45a2-b0f7-96c05dc0e8df" 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_11ee2fc6-2bf6-4c3a-be6b-58629c5edfd4" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_66b6c9fa-90c7-45a2-b0f7-96c05dc0e8df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent_b37cb552-d885-4d82-8def-7cb912600e6e" 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_66b6c9fa-90c7-45a2-b0f7-96c05dc0e8df" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent_b37cb552-d885-4d82-8def-7cb912600e6e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityNoncurrent_31f5c7df-c3d5-4527-aa84-4b9a3f3f25f5" 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_66b6c9fa-90c7-45a2-b0f7-96c05dc0e8df" xlink:to="loc_us-gaap_RegulatoryLiabilityNoncurrent_31f5c7df-c3d5-4527-aa84-4b9a3f3f25f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationsNoncurrent_98469077-07f3-473b-a006-cd17eeb49cca" 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_66b6c9fa-90c7-45a2-b0f7-96c05dc0e8df" xlink:to="loc_us-gaap_AssetRetirementObligationsNoncurrent_98469077-07f3-473b-a006-cd17eeb49cca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_db4b7560-d57b-4fc7-a250-1733a3161ed4" 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_66b6c9fa-90c7-45a2-b0f7-96c05dc0e8df" xlink:to="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_db4b7560-d57b-4fc7-a250-1733a3161ed4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent_a13aee0a-7331-4544-ae2b-9de507e9ac54" 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_66b6c9fa-90c7-45a2-b0f7-96c05dc0e8df" xlink:to="loc_us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent_a13aee0a-7331-4544-ae2b-9de507e9ac54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_97ac0c0f-d7cf-4684-a1f1-c340a94a3f6f" 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_66b6c9fa-90c7-45a2-b0f7-96c05dc0e8df" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_97ac0c0f-d7cf-4684-a1f1-c340a94a3f6f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyMarketingContractLiabilitiesNoncurrent_b2572a9d-24cb-4bbb-bfd8-7f0c094e660d" 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_66b6c9fa-90c7-45a2-b0f7-96c05dc0e8df" xlink:to="loc_us-gaap_EnergyMarketingContractLiabilitiesNoncurrent_b2572a9d-24cb-4bbb-bfd8-7f0c094e660d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_22982d42-bafc-4d01-a173-ced97dbac674" 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_66b6c9fa-90c7-45a2-b0f7-96c05dc0e8df" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_22982d42-bafc-4d01-a173-ced97dbac674" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_6d6a7d80-5305-4852-b492-c0f77d92c67b" 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_66b6c9fa-90c7-45a2-b0f7-96c05dc0e8df" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_6d6a7d80-5305-4852-b492-c0f77d92c67b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCreditsAndOtherLiabilities_2f61da10-87af-4b1a-8c3f-56b5a36fea38" 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_66b6c9fa-90c7-45a2-b0f7-96c05dc0e8df" xlink:to="loc_us-gaap_DeferredCreditsAndOtherLiabilities_2f61da10-87af-4b1a-8c3f-56b5a36fea38" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_e76d5ab5-9947-4825-bfe6-eb471d4f1463" 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_11ee2fc6-2bf6-4c3a-be6b-58629c5edfd4" xlink:to="loc_us-gaap_Liabilities_e76d5ab5-9947-4825-bfe6-eb471d4f1463" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_ce257390-4e56-49ac-9abe-bc574ba107ac" 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_11ee2fc6-2bf6-4c3a-be6b-58629c5edfd4" xlink:to="loc_us-gaap_CommitmentsAndContingencies_ce257390-4e56-49ac-9abe-bc574ba107ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityAbstract_1a085201-40a8-4065-8eb6-129ad950fba3" 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_11ee2fc6-2bf6-4c3a-be6b-58629c5edfd4" xlink:to="loc_us-gaap_StockholdersEquityAbstract_1a085201-40a8-4065-8eb6-129ad950fba3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockNoParValue_4ea6a2c2-0911-4603-a7f2-bc1027623f28" 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_1a085201-40a8-4065-8eb6-129ad950fba3" xlink:to="loc_us-gaap_CommonStockNoParValue_4ea6a2c2-0911-4603-a7f2-bc1027623f28" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_8359fd8a-f5e2-4c0e-9c7f-43bd9ec6a741" 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_1a085201-40a8-4065-8eb6-129ad950fba3" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_8359fd8a-f5e2-4c0e-9c7f-43bd9ec6a741" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_1460904b-6ca6-4e2a-ae15-77aa2a928aa6" 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_1a085201-40a8-4065-8eb6-129ad950fba3" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_1460904b-6ca6-4e2a-ae15-77aa2a928aa6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_6be88963-f17a-49e1-93a4-76fc73825d3b" 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_1a085201-40a8-4065-8eb6-129ad950fba3" xlink:to="loc_us-gaap_CommonStockValue_6be88963-f17a-49e1-93a4-76fc73825d3b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockShares_d90f16f9-4b7e-4042-acc9-a5da44d85e2e" 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_1a085201-40a8-4065-8eb6-129ad950fba3" xlink:to="loc_us-gaap_TreasuryStockShares_d90f16f9-4b7e-4042-acc9-a5da44d85e2e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_ea7f7041-5305-46b2-9bea-3699871f1306" 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_1a085201-40a8-4065-8eb6-129ad950fba3" xlink:to="loc_us-gaap_TreasuryStockValue_ea7f7041-5305-46b2-9bea-3699871f1306" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_22c4f408-5611-469e-bf69-52eff5ebcf32" 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_1a085201-40a8-4065-8eb6-129ad950fba3" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_22c4f408-5611-469e-bf69-52eff5ebcf32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_97fd74c0-5cfc-4d6d-a55a-0c374312e277" 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_1a085201-40a8-4065-8eb6-129ad950fba3" xlink:to="loc_us-gaap_AdditionalPaidInCapital_97fd74c0-5cfc-4d6d-a55a-0c374312e277" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_539797ee-fda8-4b9c-979f-4d3b1ddc4c71" 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_1a085201-40a8-4065-8eb6-129ad950fba3" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_539797ee-fda8-4b9c-979f-4d3b1ddc4c71" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_da08536c-dc68-4b11-8466-cdc6eccbc6d8" 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_1a085201-40a8-4065-8eb6-129ad950fba3" xlink:to="loc_us-gaap_StockholdersEquity_da08536c-dc68-4b11-8466-cdc6eccbc6d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_MembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_f90cd184-43a0-46a2-b0a7-76d5ba83c95c" xlink:href="exc-20230331.xsd#exc_MembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_11ee2fc6-2bf6-4c3a-be6b-58629c5edfd4" xlink:to="loc_exc_MembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_f90cd184-43a0-46a2-b0a7-76d5ba83c95c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MembersEquityAbstract_7d285b52-f907-48fb-aa82-1001e4c7f5d7" 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_f90cd184-43a0-46a2-b0a7-76d5ba83c95c" xlink:to="loc_us-gaap_MembersEquityAbstract_7d285b52-f907-48fb-aa82-1001e4c7f5d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MembersCapital_a165a9a7-de3a-4b6a-be7a-4d77a1b7ab61" 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_7d285b52-f907-48fb-aa82-1001e4c7f5d7" xlink:to="loc_us-gaap_MembersCapital_a165a9a7-de3a-4b6a-be7a-4d77a1b7ab61" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MembersEquity_d6685ba5-ff07-4e6c-bca1-049e3c48e44e" 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_7d285b52-f907-48fb-aa82-1001e4c7f5d7" xlink:to="loc_us-gaap_MembersEquity_d6685ba5-ff07-4e6c-bca1-049e3c48e44e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_ee17dbae-8f41-418d-9aff-32f64c4f8df2" 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_11ee2fc6-2bf6-4c3a-be6b-58629c5edfd4" xlink:to="loc_us-gaap_MinorityInterest_ee17dbae-8f41-418d-9aff-32f64c4f8df2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_cf314a3b-f04f-4fd2-a38c-06f004d84528" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_11ee2fc6-2bf6-4c3a-be6b-58629c5edfd4" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_cf314a3b-f04f-4fd2-a38c-06f004d84528" 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-20230331.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_42a51f56-00c0-4d2d-ad0e-5b8c8a241fec" 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_4fa6f4da-44f9-4c79-bf76-c9eb191f9cc3" 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_42a51f56-00c0-4d2d-ad0e-5b8c8a241fec" xlink:to="loc_us-gaap_StatementTable_4fa6f4da-44f9-4c79-bf76-c9eb191f9cc3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_c820ba79-6c2c-41ee-8b40-b021cb911b20" 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_4fa6f4da-44f9-4c79-bf76-c9eb191f9cc3" xlink:to="loc_dei_LegalEntityAxis_c820ba79-6c2c-41ee-8b40-b021cb911b20" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_935d829f-c4e1-4053-be26-43d0ba0b8ee5" 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_c820ba79-6c2c-41ee-8b40-b021cb911b20" xlink:to="loc_dei_EntityDomain_935d829f-c4e1-4053-be26-43d0ba0b8ee5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_7a2ee8a4-4d69-4dec-b285-22949dec156c" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_935d829f-c4e1-4053-be26-43d0ba0b8ee5" xlink:to="loc_exc_CommonwealthEdisonCoMember_7a2ee8a4-4d69-4dec-b285-22949dec156c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_f0ccdc94-31f3-4729-bb91-4767ff2019cd" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_935d829f-c4e1-4053-be26-43d0ba0b8ee5" xlink:to="loc_exc_PecoEnergyCoMember_f0ccdc94-31f3-4729-bb91-4767ff2019cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_faeba540-a71a-43e9-b191-cadce6d73021" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_935d829f-c4e1-4053-be26-43d0ba0b8ee5" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_faeba540-a71a-43e9-b191-cadce6d73021" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_922637dd-45a7-4070-9396-cf890e859bd8" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_935d829f-c4e1-4053-be26-43d0ba0b8ee5" xlink:to="loc_exc_PepcoHoldingsLLCMember_922637dd-45a7-4070-9396-cf890e859bd8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_96b130c2-56ce-4cb9-86cc-41ce9a1d3763" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_935d829f-c4e1-4053-be26-43d0ba0b8ee5" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_96b130c2-56ce-4cb9-86cc-41ce9a1d3763" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_92135d43-c2e8-469a-b576-aa9edb5c413b" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_935d829f-c4e1-4053-be26-43d0ba0b8ee5" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_92135d43-c2e8-469a-b576-aa9edb5c413b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_b3ed0380-b853-4b0e-9042-c72f8013f0b8" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_935d829f-c4e1-4053-be26-43d0ba0b8ee5" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_b3ed0380-b853-4b0e-9042-c72f8013f0b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PEPCOHoldingsIncMember_088a5570-b03d-42d6-8aaa-0584f1a1275d" xlink:href="exc-20230331.xsd#exc_PEPCOHoldingsIncMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_935d829f-c4e1-4053-be26-43d0ba0b8ee5" xlink:to="loc_exc_PEPCOHoldingsIncMember_088a5570-b03d-42d6-8aaa-0584f1a1275d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_37f2647b-d0d1-4b29-8c1b-28c78499676e" 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_4fa6f4da-44f9-4c79-bf76-c9eb191f9cc3" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_37f2647b-d0d1-4b29-8c1b-28c78499676e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_5758dc93-9836-4a46-81d4-efe4d424c327" 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_37f2647b-d0d1-4b29-8c1b-28c78499676e" xlink:to="loc_us-gaap_EquityComponentDomain_5758dc93-9836-4a46-81d4-efe4d424c327" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_f39378f7-7be5-47f3-b644-2cc5b9bbc891" 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_5758dc93-9836-4a46-81d4-efe4d424c327" xlink:to="loc_us-gaap_CommonStockMember_f39378f7-7be5-47f3-b644-2cc5b9bbc891" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockMember_8b5af74a-afe2-418d-8beb-ac7e733296b7" 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_5758dc93-9836-4a46-81d4-efe4d424c327" xlink:to="loc_us-gaap_TreasuryStockMember_8b5af74a-afe2-418d-8beb-ac7e733296b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_3fa144c0-141e-43ee-8a61-86eea149fcca" 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_5758dc93-9836-4a46-81d4-efe4d424c327" xlink:to="loc_us-gaap_RetainedEarningsMember_3fa144c0-141e-43ee-8a61-86eea149fcca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_9709af69-443d-48b3-9c87-3d560abe8307" 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_5758dc93-9836-4a46-81d4-efe4d424c327" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_9709af69-443d-48b3-9c87-3d560abe8307" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_376d76e6-f8ab-4d3f-9be0-9f0ad843fa92" 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_5758dc93-9836-4a46-81d4-efe4d424c327" xlink:to="loc_us-gaap_NoncontrollingInterestMember_376d76e6-f8ab-4d3f-9be0-9f0ad843fa92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAdditionalCapitalMember_ba787552-62f2-4417-b75a-8eb5690a4e6c" 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_5758dc93-9836-4a46-81d4-efe4d424c327" xlink:to="loc_us-gaap_OtherAdditionalCapitalMember_ba787552-62f2-4417-b75a-8eb5690a4e6c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_MembershipInterestMember_e91dd007-8d84-4a19-a623-12ba338c4cd1" xlink:href="exc-20230331.xsd#exc_MembershipInterestMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_5758dc93-9836-4a46-81d4-efe4d424c327" xlink:to="loc_exc_MembershipInterestMember_e91dd007-8d84-4a19-a623-12ba338c4cd1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsUnappropriatedMember_c279f4c5-7a64-47c2-893e-cbe2d9d07f06" 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_5758dc93-9836-4a46-81d4-efe4d424c327" xlink:to="loc_us-gaap_RetainedEarningsUnappropriatedMember_c279f4c5-7a64-47c2-893e-cbe2d9d07f06" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAppropriatedMember_126555a3-dab4-4f22-a880-97c4f17d8752" 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_5758dc93-9836-4a46-81d4-efe4d424c327" xlink:to="loc_us-gaap_RetainedEarningsAppropriatedMember_126555a3-dab4-4f22-a880-97c4f17d8752" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RestatementAxis_3b5d860e-c9e8-4a55-b94a-db5fe1cf0bf4" 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_4fa6f4da-44f9-4c79-bf76-c9eb191f9cc3" xlink:to="loc_srt_RestatementAxis_3b5d860e-c9e8-4a55-b94a-db5fe1cf0bf4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain_26d8accd-7d19-4889-9fc7-b2740e5606f3" 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_3b5d860e-c9e8-4a55-b94a-db5fe1cf0bf4" xlink:to="loc_srt_RestatementDomain_26d8accd-7d19-4889-9fc7-b2740e5606f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RevisionOfPriorPeriodErrorCorrectionAdjustmentMember_4c9a8c3f-8e52-4621-b264-c1b6753cfa47" 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_26d8accd-7d19-4889-9fc7-b2740e5606f3" xlink:to="loc_srt_RevisionOfPriorPeriodErrorCorrectionAdjustmentMember_4c9a8c3f-8e52-4621-b264-c1b6753cfa47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_0b25f273-c5fa-4b60-bbea-82b1fd1b481a" 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_4fa6f4da-44f9-4c79-bf76-c9eb191f9cc3" xlink:to="loc_us-gaap_StatementLineItems_0b25f273-c5fa-4b60-bbea-82b1fd1b481a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c2763a29-ca0c-4bb4-a03f-f7899627f199" 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_0b25f273-c5fa-4b60-bbea-82b1fd1b481a" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssued_59d871d9-7495-403e-9402-3215e944b1eb" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_SharesIssued_59d871d9-7495-403e-9402-3215e944b1eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_224b817d-07ac-450a-b455-bf157c6dc995" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_224b817d-07ac-450a-b455-bf157c6dc995" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_0ba8eab5-b012-40a4-9223-12b1c73635a9" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_StockholdersEquity_0ba8eab5-b012-40a4-9223-12b1c73635a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LimitedLiabilityCompanyLlcMembersEquityIncludingPortionAttributableToNoncontrollingInterest_ca0f89a9-311a-4a14-b37f-c68277318a75" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_LimitedLiabilityCompanyLlcMembersEquityIncludingPortionAttributableToNoncontrollingInterest_ca0f89a9-311a-4a14-b37f-c68277318a75" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_ccf6ff32-530e-4181-ade9-f02036ad864c" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_ProfitLoss_ccf6ff32-530e-4181-ade9-f02036ad864c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross_9d3d51aa-43dc-456a-be44-1da7d902ffb1" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross_9d3d51aa-43dc-456a-be44-1da7d902ffb1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross_57a75f06-2def-4c9e-aaaf-c19abe738f9b" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross_57a75f06-2def-4c9e-aaaf-c19abe738f9b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_be84b29b-8a14-4410-912a-93c98196913a" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_be84b29b-8a14-4410-912a-93c98196913a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_709aa197-3eb2-4b4f-ab7f-e74e73d94d1a" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_709aa197-3eb2-4b4f-ab7f-e74e73d94d1a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_d17b0353-e69a-454e-a1f3-6c8831efc0fd" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_d17b0353-e69a-454e-a1f3-6c8831efc0fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_d7009d7b-ab2d-4502-9b56-8b946b481b43" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_d7009d7b-ab2d-4502-9b56-8b946b481b43" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestPeriodIncreaseDecrease_4d11cc4b-3b09-4c1c-a6f6-121f79acf19a" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_MinorityInterestPeriodIncreaseDecrease_4d11cc4b-3b09-4c1c-a6f6-121f79acf19a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_f47687f9-e293-4430-ac4c-8b0d4e4227c2" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_f47687f9-e293-4430-ac4c-8b0d4e4227c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DeferredTaxLiabilityAdjustmentNoncontrollingInterest_697395aa-a00c-460e-869a-11d4416c89ed" xlink:href="exc-20230331.xsd#exc_DeferredTaxLiabilityAdjustmentNoncontrollingInterest"/>
<link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_exc_DeferredTaxLiabilityAdjustmentNoncontrollingInterest_697395aa-a00c-460e-869a-11d4416c89ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest_0e8375c6-1feb-4cfd-99fc-57d3c91528ea" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest_0e8375c6-1feb-4cfd-99fc-57d3c91528ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DistributionOfConstellation_d5299b37-0254-4a6f-9407-3d624ecfe603" xlink:href="exc-20230331.xsd#exc_DistributionOfConstellation"/>
<link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_exc_DistributionOfConstellation_d5299b37-0254-4a6f-9407-3d624ecfe603" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_6b6c5ed5-039b-4b20-9f88-1274151f7964" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_6b6c5ed5-039b-4b20-9f88-1274151f7964" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStockCash_d0c2c804-c748-4fee-814b-422600c31966" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_DividendsCommonStockCash_d0c2c804-c748-4fee-814b-422600c31966" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_f9c849be-f84d-461b-bbb4-39701b8e60fc" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_f9c849be-f84d-461b-bbb4-39701b8e60fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DistributionMadeToLimitedLiabilityCompanyLLCMemberCashDistributionsDeclared_086ad31c-5c27-4a7a-8d4e-a840fd4ab694" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_DistributionMadeToLimitedLiabilityCompanyLLCMemberCashDistributionsDeclared_086ad31c-5c27-4a7a-8d4e-a840fd4ab694" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_44322c1a-501e-42f7-a796-5888dfb93b52" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_44322c1a-501e-42f7-a796-5888dfb93b52" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssued_1e203370-9ca6-4474-b792-d4ec535cb807" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_SharesIssued_1e203370-9ca6-4474-b792-d4ec535cb807" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_36f6bc56-be7e-4b18-8cc8-95337207b55f" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_36f6bc56-be7e-4b18-8cc8-95337207b55f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_47a295e7-5cb9-4986-84e3-a6d17ce9aaa0" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_StockholdersEquity_47a295e7-5cb9-4986-84e3-a6d17ce9aaa0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LimitedLiabilityCompanyLlcMembersEquityIncludingPortionAttributableToNoncontrollingInterest_5c6ee885-c3b3-4987-ba8a-fc263d7a85f7" 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_c2763a29-ca0c-4bb4-a03f-f7899627f199" xlink:to="loc_us-gaap_LimitedLiabilityCompanyLlcMembersEquityIncludingPortionAttributableToNoncontrollingInterest_5c6ee885-c3b3-4987-ba8a-fc263d7a85f7" 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-20230331.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_8da54b6c-9a40-4f76-bfb0-2b8c4cc2b2ca" 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_3c7a08ab-25fa-4e55-925f-0d501149c35f" 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_8da54b6c-9a40-4f76-bfb0-2b8c4cc2b2ca" xlink:to="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_3c7a08ab-25fa-4e55-925f-0d501149c35f" 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-20230331.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_cf53b2ec-19c6-4fb2-b954-c7ba5c04f35b" 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_cf8774b3-1166-412d-877a-1bdead312adb" 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_cf53b2ec-19c6-4fb2-b954-c7ba5c04f35b" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_cf8774b3-1166-412d-877a-1bdead312adb" 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-20230331.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_f37ef7b0-fc3a-40f3-8b2f-1201f6d8a373" 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_70985763-2987-4711-bc96-2f91670bc9bb" 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_f37ef7b0-fc3a-40f3-8b2f-1201f6d8a373" xlink:to="loc_us-gaap_PublicUtilitiesDisclosureTextBlock_70985763-2987-4711-bc96-2f91670bc9bb" 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-20230331.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_a675f375-81bb-4378-96e4-8f146950b889" 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_aff8b36d-9e66-4759-a4b5-545e518a8653" 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_a675f375-81bb-4378-96e4-8f146950b889" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerTextBlock_aff8b36d-9e66-4759-a4b5-545e518a8653" 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-20230331.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_e06006bd-ff4f-43a7-9715-32aca0f6299a" 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_0d483328-be00-4ea8-b3f9-54a65ef2c432" 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_e06006bd-ff4f-43a7-9715-32aca0f6299a" xlink:to="loc_us-gaap_SegmentReportingDisclosureTextBlock_0d483328-be00-4ea8-b3f9-54a65ef2c432" 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-20230331.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_028e8d24-8852-4a29-98db-a7b81706ecd5" 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_93ea836c-2b3c-431f-ad30-44e264ebf4c8" 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_028e8d24-8852-4a29-98db-a7b81706ecd5" xlink:to="loc_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_93ea836c-2b3c-431f-ad30-44e264ebf4c8" 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-20230331.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_55f78af1-0f62-4918-ab73-0f86a09efeee" 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_a9ecb3b4-f9b5-407c-913d-f46188d457ae" 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_55f78af1-0f62-4918-ab73-0f86a09efeee" xlink:to="loc_us-gaap_AssetImpairmentChargesTextBlock_a9ecb3b4-f9b5-407c-913d-f46188d457ae" 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-20230331.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_fc281de5-d818-49f4-92d0-700776b84518" 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_29918673-ff43-4602-9484-be657e2c98ed" 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_fc281de5-d818-49f4-92d0-700776b84518" xlink:to="loc_us-gaap_IncomeTaxDisclosureTextBlock_29918673-ff43-4602-9484-be657e2c98ed" 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-20230331.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_013028ed-c4fb-4710-96bd-a6a183d47211" 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_c0934181-2f0c-4852-b58c-7e56ebd2678d" 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_013028ed-c4fb-4710-96bd-a6a183d47211" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_c0934181-2f0c-4852-b58c-7e56ebd2678d" 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-20230331.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_f769d94d-efeb-4ea8-8129-1d6c65004ce3" 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_0ccf16f1-cd8f-462a-9ffd-804dcce964fe" 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_f769d94d-efeb-4ea8-8129-1d6c65004ce3" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_0ccf16f1-cd8f-462a-9ffd-804dcce964fe" 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-20230331.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_11774644-969b-4d14-8f50-e591836e6875" 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_fae66d8e-65ab-44b7-844f-6ff3e8abb3cf" 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_11774644-969b-4d14-8f50-e591836e6875" xlink:to="loc_us-gaap_DebtDisclosureTextBlock_fae66d8e-65ab-44b7-844f-6ff3e8abb3cf" 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-20230331.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_899eaf74-6c6d-4841-9710-27f1f7c72b0f" 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_fa2fb083-cfc7-4c9f-a3ec-da13d9ee471f" 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_899eaf74-6c6d-4841-9710-27f1f7c72b0f" xlink:to="loc_us-gaap_FairValueDisclosuresTextBlock_fa2fb083-cfc7-4c9f-a3ec-da13d9ee471f" 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-20230331.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_d8eb3ec2-51ba-4b7e-990f-6e3b13dadb23" 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_22ec89ed-c06c-4a07-9cd5-7c01c86b1aaa" 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_d8eb3ec2-51ba-4b7e-990f-6e3b13dadb23" xlink:to="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_22ec89ed-c06c-4a07-9cd5-7c01c86b1aaa" 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-20230331.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_7b4d9aa6-16ae-4c2e-96fe-f5df3549e824" 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_8c1be1a2-ba3a-45a4-ae34-395660a7224f" 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_7b4d9aa6-16ae-4c2e-96fe-f5df3549e824" xlink:to="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_8c1be1a2-ba3a-45a4-ae34-395660a7224f" 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-20230331.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_7f97624c-9331-4c15-bcd0-f1d3760ea0d0" xlink:href="exc-20230331.xsd#exc_ChangesinAccumulatedOtherComprehensiveIncomeAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AccumulatedOtherComprehensiveIncomeLossTextBlock_da40cd67-403b-4cca-a2c2-a3d5317f225e" xlink:href="exc-20230331.xsd#exc_AccumulatedOtherComprehensiveIncomeLossTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ChangesinAccumulatedOtherComprehensiveIncomeAbstract_7f97624c-9331-4c15-bcd0-f1d3760ea0d0" xlink:to="loc_exc_AccumulatedOtherComprehensiveIncomeLossTextBlock_da40cd67-403b-4cca-a2c2-a3d5317f225e" 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-20230331.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_a9f4835c-6ade-4dd4-a64e-c631a4d0ecbc" xlink:href="exc-20230331.xsd#exc_SupplementalFinancialInformationAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalFinancialInformationDisclosureTextBlock_1af45254-95e8-44f7-8b79-6cca8235c080" 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_a9f4835c-6ade-4dd4-a64e-c631a4d0ecbc" xlink:to="loc_us-gaap_AdditionalFinancialInformationDisclosureTextBlock_1af45254-95e8-44f7-8b79-6cca8235c080" 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-20230331.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_bfd7296e-b5f9-450f-aba7-e1fdc1fc6c1b" 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_b3be4e9a-7dfe-42dd-aa01-a2f2d1ca4b4e" 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_bfd7296e-b5f9-450f-aba7-e1fdc1fc6c1b" xlink:to="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_b3be4e9a-7dfe-42dd-aa01-a2f2d1ca4b4e" 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-20230331.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_757780fc-7168-43b2-84d9-9d164bd910ae" 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_22e6481f-a8f6-4e65-8fd3-ff0a47b625a4" 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_757780fc-7168-43b2-84d9-9d164bd910ae" xlink:to="loc_us-gaap_SubsequentEventTable_22e6481f-a8f6-4e65-8fd3-ff0a47b625a4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_49e8be38-da19-4bb1-989c-203fe04ea31d" 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_22e6481f-a8f6-4e65-8fd3-ff0a47b625a4" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_49e8be38-da19-4bb1-989c-203fe04ea31d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_f58fac3b-62b2-4ca9-bbb2-7d032a72cfaa" 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_49e8be38-da19-4bb1-989c-203fe04ea31d" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_f58fac3b-62b2-4ca9-bbb2-7d032a72cfaa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_97c22507-9b08-43e2-b716-552b7c6b0910" 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_22e6481f-a8f6-4e65-8fd3-ff0a47b625a4" xlink:to="loc_us-gaap_SubsequentEventLineItems_97c22507-9b08-43e2-b716-552b7c6b0910" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventsTextBlock_e98b67e6-3e10-42a6-a402-d5e886ea1175" 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_97c22507-9b08-43e2-b716-552b7c6b0910" xlink:to="loc_us-gaap_SubsequentEventsTextBlock_e98b67e6-3e10-42a6-a402-d5e886ea1175" 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-20230331.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_6f3a7723-d04c-4494-b8cf-632fa4a5718a" 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_b953faa1-7d15-430f-85cb-dedbef06182f" 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_6f3a7723-d04c-4494-b8cf-632fa4a5718a" xlink:to="loc_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_b953faa1-7d15-430f-85cb-dedbef06182f" 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-20230331.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_b7c3bb30-9a50-493a-bc53-e3b1ec1e6a2d" 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_e95f500b-a304-4c8c-95e8-85d36ff25e67" 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_b7c3bb30-9a50-493a-bc53-e3b1ec1e6a2d" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_e95f500b-a304-4c8c-95e8-85d36ff25e67" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_5b74492c-cd39-434d-ab85-376bad1d4862" 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_e95f500b-a304-4c8c-95e8-85d36ff25e67" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_5b74492c-cd39-434d-ab85-376bad1d4862" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_4f744f8c-1753-41b0-a74c-fceaa4768921" 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_5b74492c-cd39-434d-ab85-376bad1d4862" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_4f744f8c-1753-41b0-a74c-fceaa4768921" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_2b0db86b-336d-4e62-a1c1-9e2b1a0d51b2" xlink:href="exc-20230331.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_4f744f8c-1753-41b0-a74c-fceaa4768921" xlink:to="loc_exc_ExelonGenerationCoLLCMember_2b0db86b-336d-4e62-a1c1-9e2b1a0d51b2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_dcc474a4-44fa-4d88-8f26-74b994adaaec" 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_e95f500b-a304-4c8c-95e8-85d36ff25e67" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_dcc474a4-44fa-4d88-8f26-74b994adaaec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DiscontinuedOperationsIncomeStatementTableTextBlock_c965718f-c6a6-4e77-a603-3249725eec1b" xlink:href="exc-20230331.xsd#exc_DiscontinuedOperationsIncomeStatementTableTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_dcc474a4-44fa-4d88-8f26-74b994adaaec" xlink:to="loc_exc_DiscontinuedOperationsIncomeStatementTableTextBlock_c965718f-c6a6-4e77-a603-3249725eec1b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DiscontinuedOperationsBalanceSheetTableTextBlock_92eff853-bac5-438b-9995-0b6f146ecc44" xlink:href="exc-20230331.xsd#exc_DiscontinuedOperationsBalanceSheetTableTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_dcc474a4-44fa-4d88-8f26-74b994adaaec" xlink:to="loc_exc_DiscontinuedOperationsBalanceSheetTableTextBlock_92eff853-bac5-438b-9995-0b6f146ecc44" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DiscontinuedOperationsCashFlowsTableTextBlock_61a57c67-fa7e-4218-9ef8-a1d13671cddd" xlink:href="exc-20230331.xsd#exc_DiscontinuedOperationsCashFlowsTableTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_dcc474a4-44fa-4d88-8f26-74b994adaaec" xlink:to="loc_exc_DiscontinuedOperationsCashFlowsTableTextBlock_61a57c67-fa7e-4218-9ef8-a1d13671cddd" 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-20230331.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_3b2b7008-94c5-4f47-8c5a-d38b4333f91e" 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_54499e28-0c42-43b1-a8e1-accc9a354e82" xlink:href="exc-20230331.xsd#exc_PublicUtilitiesDistributionRateCasesTableTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_3b2b7008-94c5-4f47-8c5a-d38b4333f91e" xlink:to="loc_exc_PublicUtilitiesDistributionRateCasesTableTextBlock_54499e28-0c42-43b1-a8e1-accc9a354e82" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesTransmissionRateFilingsTableTextBlock_14239a01-1b75-474d-8044-b16d1c830e17" xlink:href="exc-20230331.xsd#exc_PublicUtilitiesTransmissionRateFilingsTableTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_3b2b7008-94c5-4f47-8c5a-d38b4333f91e" xlink:to="loc_exc_PublicUtilitiesTransmissionRateFilingsTableTextBlock_14239a01-1b75-474d-8044-b16d1c830e17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesEnergyEfficiencyRevenueTableTextBlock_fbca4d67-458c-4de2-af80-deea61b6c9e6" xlink:href="exc-20230331.xsd#exc_PublicUtilitiesEnergyEfficiencyRevenueTableTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_3b2b7008-94c5-4f47-8c5a-d38b4333f91e" xlink:to="loc_exc_PublicUtilitiesEnergyEfficiencyRevenueTableTextBlock_fbca4d67-458c-4de2-af80-deea61b6c9e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock_1c39b162-f452-4e47-9d1e-da6c32306fce" 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_3b2b7008-94c5-4f47-8c5a-d38b4333f91e" xlink:to="loc_us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock_1c39b162-f452-4e47-9d1e-da6c32306fce" 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-20230331.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_8f58ad13-b32b-427f-b263-d36d346fb732" 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_1bdc53bd-d68f-44a7-a6e5-22d8dd7e909b" xlink:href="exc-20230331.xsd#exc_ChangeinContractwithCustomerAssetandLiabilityTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_8f58ad13-b32b-427f-b263-d36d346fb732" xlink:to="loc_exc_ChangeinContractwithCustomerAssetandLiabilityTable_1bdc53bd-d68f-44a7-a6e5-22d8dd7e909b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ContractTypeAxis_2b4ceeaa-a499-465e-a9bf-48f1a0788284" xlink:href="exc-20230331.xsd#exc_ContractTypeAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ChangeinContractwithCustomerAssetandLiabilityTable_1bdc53bd-d68f-44a7-a6e5-22d8dd7e909b" xlink:to="loc_exc_ContractTypeAxis_2b4ceeaa-a499-465e-a9bf-48f1a0788284" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ContractTypeDomain_16694649-b764-4dda-8b29-2111407ee530" xlink:href="exc-20230331.xsd#exc_ContractTypeDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ContractTypeAxis_2b4ceeaa-a499-465e-a9bf-48f1a0788284" xlink:to="loc_exc_ContractTypeDomain_16694649-b764-4dda-8b29-2111407ee530" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ContractLiabilitiesMember_bcad9663-19e5-4981-bd3e-16eed76c22ea" xlink:href="exc-20230331.xsd#exc_ContractLiabilitiesMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ContractTypeDomain_16694649-b764-4dda-8b29-2111407ee530" xlink:to="loc_exc_ContractLiabilitiesMember_bcad9663-19e5-4981-bd3e-16eed76c22ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ContractWithCustomersLineItems_125e682e-bd67-475b-abe9-7aed06994699" xlink:href="exc-20230331.xsd#exc_ContractWithCustomersLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ChangeinContractwithCustomerAssetandLiabilityTable_1bdc53bd-d68f-44a7-a6e5-22d8dd7e909b" xlink:to="loc_exc_ContractWithCustomersLineItems_125e682e-bd67-475b-abe9-7aed06994699" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_c453e5ba-e873-4b19-82f3-9fe7f2f27c83" 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_125e682e-bd67-475b-abe9-7aed06994699" xlink:to="loc_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_c453e5ba-e873-4b19-82f3-9fe7f2f27c83" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock_abe986f1-80f6-4f0f-86da-76012bc45644" 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_125e682e-bd67-475b-abe9-7aed06994699" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock_abe986f1-80f6-4f0f-86da-76012bc45644" 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-20230331.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_516fc60d-51a4-4549-9ce7-2ade442460ea" 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_25fa6a2e-0c1e-4295-96d3-1b23cc3a004b" 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_516fc60d-51a4-4549-9ce7-2ade442460ea" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_25fa6a2e-0c1e-4295-96d3-1b23cc3a004b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PeriodAxis_5b612e40-6ff5-4d21-b3ce-3ee6f88d06bd" xlink:href="exc-20230331.xsd#exc_PeriodAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_25fa6a2e-0c1e-4295-96d3-1b23cc3a004b" xlink:to="loc_exc_PeriodAxis_5b612e40-6ff5-4d21-b3ce-3ee6f88d06bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PeriodDomain_ccbd8d37-0311-495f-a740-dbbf9cbb7a20" xlink:href="exc-20230331.xsd#exc_PeriodDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodAxis_5b612e40-6ff5-4d21-b3ce-3ee6f88d06bd" xlink:to="loc_exc_PeriodDomain_ccbd8d37-0311-495f-a740-dbbf9cbb7a20" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_YearToDateMember_7c4bb8fb-81c3-4295-997a-91780b84e16c" xlink:href="exc-20230331.xsd#exc_YearToDateMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_ccbd8d37-0311-495f-a740-dbbf9cbb7a20" xlink:to="loc_exc_YearToDateMember_7c4bb8fb-81c3-4295-997a-91780b84e16c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SegmentTablesLineItems_bbd39068-61d4-442d-b537-f0b89972fa5d" xlink:href="exc-20230331.xsd#exc_SegmentTablesLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_25fa6a2e-0c1e-4295-96d3-1b23cc3a004b" xlink:to="loc_exc_SegmentTablesLineItems_bbd39068-61d4-442d-b537-f0b89972fa5d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_3ef653a1-f760-4b62-bba6-c2ba1008805a" 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_bbd39068-61d4-442d-b537-f0b89972fa5d" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_3ef653a1-f760-4b62-bba6-c2ba1008805a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock_b870ea82-0252-44d7-bd30-9b5d39e7d762" 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_bbd39068-61d4-442d-b537-f0b89972fa5d" xlink:to="loc_us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock_b870ea82-0252-44d7-bd30-9b5d39e7d762" 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-20230331.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_5e5d020c-5737-476c-935a-0393fca4e3f8" 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_0390ea31-6ed7-4207-a0a3-7f7c8e1a93f0" 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_5e5d020c-5737-476c-935a-0393fca4e3f8" xlink:to="loc_us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock_0390ea31-6ed7-4207-a0a3-7f7c8e1a93f0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_ceefd22b-5a13-40c7-baab-89c8f3d2b9b6" 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_5e5d020c-5737-476c-935a-0393fca4e3f8" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_ceefd22b-5a13-40c7-baab-89c8f3d2b9b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PurchasesOfAccountsReceivableTableTextBlock_a36fdc94-f589-4aa7-888e-26e698c62b62" xlink:href="exc-20230331.xsd#exc_PurchasesOfAccountsReceivableTableTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract_5e5d020c-5737-476c-935a-0393fca4e3f8" xlink:to="loc_exc_PurchasesOfAccountsReceivableTableTextBlock_a36fdc94-f589-4aa7-888e-26e698c62b62" 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-20230331.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-20230331.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_a786c1a0-9a26-4dc5-ba05-d478b9ca2659" 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_9c210f71-7b2a-45ef-8c0d-959de7bb6690" 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_a786c1a0-9a26-4dc5-ba05-d478b9ca2659" xlink:to="loc_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_9c210f71-7b2a-45ef-8c0d-959de7bb6690" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_3214dad9-afc9-4a58-a190-c02b22b085ac" 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_a786c1a0-9a26-4dc5-ba05-d478b9ca2659" xlink:to="loc_us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_3214dad9-afc9-4a58-a190-c02b22b085ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AllocationOfTaxBenefitsTableTextBlock_b4eef52e-4c8c-4c25-9282-61ce1d722df2" xlink:href="exc-20230331.xsd#exc_AllocationOfTaxBenefitsTableTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_a786c1a0-9a26-4dc5-ba05-d478b9ca2659" xlink:to="loc_exc_AllocationOfTaxBenefitsTableTextBlock_b4eef52e-4c8c-4c25-9282-61ce1d722df2" 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-20230331.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_2e0611d9-4723-4e48-95c6-755af189b8cd" 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_393f643e-70f0-40f7-bccb-f31e015374b7" 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_2e0611d9-4723-4e48-95c6-755af189b8cd" xlink:to="loc_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_393f643e-70f0-40f7-bccb-f31e015374b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock_906aa57c-08bc-4b51-a8ae-15951e670e2a" 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_2e0611d9-4723-4e48-95c6-755af189b8cd" xlink:to="loc_us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock_906aa57c-08bc-4b51-a8ae-15951e670e2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanDisclosuresTableTextBlock_6ae3bfa2-930e-4b11-a667-fe3dcb469bec" 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_2e0611d9-4723-4e48-95c6-755af189b8cd" xlink:to="loc_us-gaap_DefinedContributionPlanDisclosuresTableTextBlock_6ae3bfa2-930e-4b11-a667-fe3dcb469bec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/DerivativeInstrumentsandHedgingActivitiesTables" xlink:type="simple" xlink:href="exc-20230331.xsd#DerivativeInstrumentsandHedgingActivitiesTables"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/DerivativeInstrumentsandHedgingActivitiesTables" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_17c79ca0-37c1-4d32-aaac-d3b9eb66bdf0" 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_ScheduleOfInterestRateDerivativesTableTextBlock_cc026519-9ad8-41a2-a5cd-677140849acd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfInterestRateDerivativesTableTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_17c79ca0-37c1-4d32-aaac-d3b9eb66bdf0" xlink:to="loc_us-gaap_ScheduleOfInterestRateDerivativesTableTextBlock_cc026519-9ad8-41a2-a5cd-677140849acd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_ec60bf47-360f-4a2d-b2a7-9ef952d639ea" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_17c79ca0-37c1-4d32-aaac-d3b9eb66bdf0" xlink:to="loc_us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_ec60bf47-360f-4a2d-b2a7-9ef952d639ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CashCollateralHeldWithExternalCounterpartiesTableTextBlock_c03359da-8496-4290-b682-3d4dbfeeac81" xlink:href="exc-20230331.xsd#exc_CashCollateralHeldWithExternalCounterpartiesTableTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_17c79ca0-37c1-4d32-aaac-d3b9eb66bdf0" xlink:to="loc_exc_CashCollateralHeldWithExternalCounterpartiesTableTextBlock_c03359da-8496-4290-b682-3d4dbfeeac81" 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-20230331.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_0a514984-c21f-4a6c-afc3-f0562a0ca350" 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_ScheduleOfShortTermDebtTextBlock_44d0e3c2-248e-47d5-824a-a9d96158bc8a" 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_DebtDisclosureAbstract_0a514984-c21f-4a6c-afc3-f0562a0ca350" xlink:to="loc_us-gaap_ScheduleOfShortTermDebtTextBlock_44d0e3c2-248e-47d5-824a-a9d96158bc8a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock_c0462df7-174c-4226-9b74-c2d0302429e7" 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_DebtDisclosureAbstract_0a514984-c21f-4a6c-afc3-f0562a0ca350" xlink:to="loc_us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock_c0462df7-174c-4226-9b74-c2d0302429e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_bcf3f646-0f2b-4750-8999-8c2b4877d63a" 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_DebtDisclosureAbstract_0a514984-c21f-4a6c-afc3-f0562a0ca350" xlink:to="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_bcf3f646-0f2b-4750-8999-8c2b4877d63a" 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-20230331.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_0d729624-8788-4cdd-bb93-7b56559ec526" 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_a5423216-f8b6-40d6-a1a0-99c77420b788" 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_0d729624-8788-4cdd-bb93-7b56559ec526" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock_a5423216-f8b6-40d6-a1a0-99c77420b788" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_179e5c61-3238-4295-ae4f-2bb118b1f7b8" 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_0d729624-8788-4cdd-bb93-7b56559ec526" xlink:to="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_179e5c61-3238-4295-ae4f-2bb118b1f7b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_939a2301-7aec-4ad8-9b23-3080a90a8de6" xlink:href="exc-20230331.xsd#exc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_0d729624-8788-4cdd-bb93-7b56559ec526" xlink:to="loc_exc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_939a2301-7aec-4ad8-9b23-3080a90a8de6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsTextBlock_706efc5b-ca7f-40b4-98c5-0d0434af2d5d" 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_0d729624-8788-4cdd-bb93-7b56559ec526" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsTextBlock_706efc5b-ca7f-40b4-98c5-0d0434af2d5d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock_64d32d39-10b6-4a67-99e8-68d1c21e50ec" 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_0d729624-8788-4cdd-bb93-7b56559ec526" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock_64d32d39-10b6-4a67-99e8-68d1c21e50ec" 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-20230331.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_07ca04c3-ebe7-490f-bf8e-92985d77b511" 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_f644be34-9627-4942-9117-e6e77c25562f" 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_07ca04c3-ebe7-490f-bf8e-92985d77b511" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentTextBlock_f644be34-9627-4942-9117-e6e77c25562f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsTableTextBlock_4f3a0b0c-1b42-4615-807f-3d6ccc0b180e" 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_07ca04c3-ebe7-490f-bf8e-92985d77b511" xlink:to="loc_us-gaap_OtherCommitmentsTableTextBlock_4f3a0b0c-1b42-4615-807f-3d6ccc0b180e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock_5514542f-2642-4bae-8e6c-9d618cf421ed" 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_07ca04c3-ebe7-490f-bf8e-92985d77b511" xlink:to="loc_us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock_5514542f-2642-4bae-8e6c-9d618cf421ed" 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-20230331.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_81dee066-1929-4d71-ae2c-885dfa24ed74" xlink:href="exc-20230331.xsd#exc_ChangesinAccumulatedOtherComprehensiveIncomeAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_8897aaee-1685-448c-af26-5be7b2da33ba" 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_81dee066-1929-4d71-ae2c-885dfa24ed74" xlink:to="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_8897aaee-1685-448c-af26-5be7b2da33ba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ScheduleOfOtherComprehensiveIncomeLossTaxTableTextBlock_3f580a81-5f19-4639-9571-eaea769a9422" xlink:href="exc-20230331.xsd#exc_ScheduleOfOtherComprehensiveIncomeLossTaxTableTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ChangesinAccumulatedOtherComprehensiveIncomeAbstract_81dee066-1929-4d71-ae2c-885dfa24ed74" xlink:to="loc_exc_ScheduleOfOtherComprehensiveIncomeLossTaxTableTextBlock_3f580a81-5f19-4639-9571-eaea769a9422" 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-20230331.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_13e2dc46-4ab7-482a-a052-0b801dfd34ec" xlink:href="exc-20230331.xsd#exc_SupplementalFinancialInformationAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ScheduleOfTaxesExcludingIncomeAndExciseTaxesTableTextBlock_b8bf1d89-a6fc-4756-8313-55cfafa4756c" xlink:href="exc-20230331.xsd#exc_ScheduleOfTaxesExcludingIncomeAndExciseTaxesTableTextBlock"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalFinancialInformationAbstract_13e2dc46-4ab7-482a-a052-0b801dfd34ec" xlink:to="loc_exc_ScheduleOfTaxesExcludingIncomeAndExciseTaxesTableTextBlock_b8bf1d89-a6fc-4756-8313-55cfafa4756c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfOtherNonoperatingIncomeByComponentTextBlock_fca9c17c-bac4-4e92-a826-5e8636b88fcc" 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_13e2dc46-4ab7-482a-a052-0b801dfd34ec" xlink:to="loc_us-gaap_ScheduleOfOtherNonoperatingIncomeByComponentTextBlock_fca9c17c-bac4-4e92-a826-5e8636b88fcc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowSupplementalDisclosuresTextBlock_c6b6982a-69f7-48a4-a041-444095487e9c" 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_13e2dc46-4ab7-482a-a052-0b801dfd34ec" xlink:to="loc_us-gaap_CashFlowSupplementalDisclosuresTextBlock_c6b6982a-69f7-48a4-a041-444095487e9c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_725be487-8aac-4434-81ad-5d35c2f40742" 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_13e2dc46-4ab7-482a-a052-0b801dfd34ec" xlink:to="loc_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_725be487-8aac-4434-81ad-5d35c2f40742" 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-20230331.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_9e07418c-3b10-456a-91a5-934e978d6a50" 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_b7a108a9-e022-4184-b0a9-dd199d4c1c36" 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_9e07418c-3b10-456a-91a5-934e978d6a50" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_b7a108a9-e022-4184-b0a9-dd199d4c1c36" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RelatedPartyTransactionsBSCandPHISCOServiceCompaniesTableTextBlock_fa05c149-ed48-4f6e-bf34-3ff617d90a0f" xlink:href="exc-20230331.xsd#exc_RelatedPartyTransactionsBSCandPHISCOServiceCompaniesTableTextBlock"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_9e07418c-3b10-456a-91a5-934e978d6a50" xlink:to="loc_exc_RelatedPartyTransactionsBSCandPHISCOServiceCompaniesTableTextBlock_fa05c149-ed48-4f6e-bf34-3ff617d90a0f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RelatedPartyTransactionsCurrentReceivablesFromPayablesToAffiliatesTableTextBlock_b896b2a8-d588-485f-b6d4-3431726f4fca" xlink:href="exc-20230331.xsd#exc_RelatedPartyTransactionsCurrentReceivablesFromPayablesToAffiliatesTableTextBlock"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_9e07418c-3b10-456a-91a5-934e978d6a50" xlink:to="loc_exc_RelatedPartyTransactionsCurrentReceivablesFromPayablesToAffiliatesTableTextBlock_b896b2a8-d588-485f-b6d4-3431726f4fca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RelatedPartyTransactionsLongTermDebttoFinancingTrustsTableTextBlock_c4d4cff7-5291-4101-8268-38e40ce0c283" xlink:href="exc-20230331.xsd#exc_RelatedPartyTransactionsLongTermDebttoFinancingTrustsTableTextBlock"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_9e07418c-3b10-456a-91a5-934e978d6a50" xlink:to="loc_exc_RelatedPartyTransactionsLongTermDebttoFinancingTrustsTableTextBlock_c4d4cff7-5291-4101-8268-38e40ce0c283" 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-20230331.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_0b658ef3-8eed-4aa0-af6b-6c62d4c9c5d5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountingPoliciesAbstract"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/DiscontinuedOperationsandDisposalGroupsDetails" xlink:type="simple" xlink:href="exc-20230331.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_03f46aeb-7d57-4e0b-ac3e-fd66c1b86cbc" 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_f6af6637-ce26-4d02-be36-2ca20d5d6f2c" 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_03f46aeb-7d57-4e0b-ac3e-fd66c1b86cbc" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_f6af6637-ce26-4d02-be36-2ca20d5d6f2c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_6a84a5d4-1e7f-423a-b6a0-eac0b36cc199" 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_f6af6637-ce26-4d02-be36-2ca20d5d6f2c" xlink:to="loc_srt_ConsolidationItemsAxis_6a84a5d4-1e7f-423a-b6a0-eac0b36cc199" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_6377fafa-b8e9-4d12-b8d9-79c8e39b8ad7" 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_6a84a5d4-1e7f-423a-b6a0-eac0b36cc199" xlink:to="loc_srt_ConsolidationItemsDomain_6377fafa-b8e9-4d12-b8d9-79c8e39b8ad7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_5a5e70fb-bc9b-4d3b-8504-45615df224f6" 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_6377fafa-b8e9-4d12-b8d9-79c8e39b8ad7" xlink:to="loc_us-gaap_CorporateNonSegmentMember_5a5e70fb-bc9b-4d3b-8504-45615df224f6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_23f63c44-acfd-4ae0-8596-41f81f3a6b1c" 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_f6af6637-ce26-4d02-be36-2ca20d5d6f2c" xlink:to="loc_us-gaap_DebtInstrumentAxis_23f63c44-acfd-4ae0-8596-41f81f3a6b1c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_4d5d9b9b-3e8b-4e13-8496-0ff522aef97b" 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_23f63c44-acfd-4ae0-8596-41f81f3a6b1c" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_4d5d9b9b-3e8b-4e13-8496-0ff522aef97b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ShortTermDebtSOFRplus075Jan2023Member_59e3e837-febd-49fa-93af-e01ba95edaf8" xlink:href="exc-20230331.xsd#exc_ShortTermDebtSOFRplus075Jan2023Member"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_4d5d9b9b-3e8b-4e13-8496-0ff522aef97b" xlink:to="loc_exc_ShortTermDebtSOFRplus075Jan2023Member_59e3e837-febd-49fa-93af-e01ba95edaf8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SMBCTermLoanJuly2023Member_8da9ad43-a556-480c-8b4a-4d69f527d5db" xlink:href="exc-20230331.xsd#exc_SMBCTermLoanJuly2023Member"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_4d5d9b9b-3e8b-4e13-8496-0ff522aef97b" xlink:to="loc_exc_SMBCTermLoanJuly2023Member_8da9ad43-a556-480c-8b4a-4d69f527d5db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_USBTermLoanJuly2023Member_83f189b1-0128-4a09-b9ff-9ea3000a8b8e" xlink:href="exc-20230331.xsd#exc_USBTermLoanJuly2023Member"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_4d5d9b9b-3e8b-4e13-8496-0ff522aef97b" xlink:to="loc_exc_USBTermLoanJuly2023Member_83f189b1-0128-4a09-b9ff-9ea3000a8b8e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PNCTermLoanJuly2023Member_1187979a-5f7e-44db-a879-0db7cd914284" xlink:href="exc-20230331.xsd#exc_PNCTermLoanJuly2023Member"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_4d5d9b9b-3e8b-4e13-8496-0ff522aef97b" xlink:to="loc_exc_PNCTermLoanJuly2023Member_1187979a-5f7e-44db-a879-0db7cd914284" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_b98f03e4-550d-4a3a-a797-88b453e983b3" 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_f6af6637-ce26-4d02-be36-2ca20d5d6f2c" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_b98f03e4-550d-4a3a-a797-88b453e983b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_44e0251a-46b0-48a0-85ed-d6076dbdfeff" 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_b98f03e4-550d-4a3a-a797-88b453e983b3" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_44e0251a-46b0-48a0-85ed-d6076dbdfeff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableToBanksMember_83ffc963-721a-48a8-bf65-a34ab086194f" 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_44e0251a-46b0-48a0-85ed-d6076dbdfeff" xlink:to="loc_us-gaap_NotesPayableToBanksMember_83ffc963-721a-48a8-bf65-a34ab086194f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_d42d0371-9d12-4388-a45d-dbb232b106c5" 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_f6af6637-ce26-4d02-be36-2ca20d5d6f2c" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_d42d0371-9d12-4388-a45d-dbb232b106c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_c84d6afc-1d01-46f4-b55a-1addafc435cd" 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_d42d0371-9d12-4388-a45d-dbb232b106c5" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_c84d6afc-1d01-46f4-b55a-1addafc435cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_6a492830-de48-4326-bf4b-8d52f9f75576" xlink:href="exc-20230331.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_c84d6afc-1d01-46f4-b55a-1addafc435cd" xlink:to="loc_exc_ExelonGenerationCoLLCMember_6a492830-de48-4326-bf4b-8d52f9f75576" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_0b211af6-dc85-4872-8371-f23dc61e2e7c" 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_f6af6637-ce26-4d02-be36-2ca20d5d6f2c" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_0b211af6-dc85-4872-8371-f23dc61e2e7c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsNet_95e622fb-1e92-4ae7-84b2-c724bc8d4085" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsNet"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_0b211af6-dc85-4872-8371-f23dc61e2e7c" xlink:to="loc_us-gaap_AssetsNet_95e622fb-1e92-4ae7-84b2-c724bc8d4085" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIntraEntityAmountsDiscontinuedOperationAfterDisposalExpense_ade9cc66-47f2-49be-ab1e-818835520f3b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DiscontinuedOperationIntraEntityAmountsDiscontinuedOperationAfterDisposalExpense"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_0b211af6-dc85-4872-8371-f23dc61e2e7c" xlink:to="loc_us-gaap_DiscontinuedOperationIntraEntityAmountsDiscontinuedOperationAfterDisposalExpense_ade9cc66-47f2-49be-ab1e-818835520f3b" 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-20230331.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_3c47471e-e7c2-4de3-ae6b-da05e587fefc" 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_5c517b2d-2bb0-4168-b38d-6ed3a131af20" 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_3c47471e-e7c2-4de3-ae6b-da05e587fefc" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_5c517b2d-2bb0-4168-b38d-6ed3a131af20" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_0125251e-9099-4323-8fcb-f5c97232081b" 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_5c517b2d-2bb0-4168-b38d-6ed3a131af20" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_0125251e-9099-4323-8fcb-f5c97232081b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_dee9312b-48ee-45fb-a758-fbf4ab40d422" 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_0125251e-9099-4323-8fcb-f5c97232081b" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_dee9312b-48ee-45fb-a758-fbf4ab40d422" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_d77952ac-de1f-4c11-9b6b-e5d601f31154" xlink:href="exc-20230331.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_dee9312b-48ee-45fb-a758-fbf4ab40d422" xlink:to="loc_exc_ExelonGenerationCoLLCMember_d77952ac-de1f-4c11-9b6b-e5d601f31154" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_fdf5a66e-7090-4cbc-b791-c77e96773cc0" 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_5c517b2d-2bb0-4168-b38d-6ed3a131af20" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_f0ab6ed5-70e5-4c9d-a6c9-f0227eda8b60" 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_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_f0ab6ed5-70e5-4c9d-a6c9-f0227eda8b60" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromRelatedParties_055299a0-759b-4da2-9619-ee2f412a8b35" 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_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_us-gaap_RevenueFromRelatedParties_055299a0-759b-4da2-9619-ee2f412a8b35" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_c7759144-8b0d-4b7b-bd05-7c425950eed6" 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_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_c7759144-8b0d-4b7b-bd05-7c425950eed6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostDirectMaterial_cebf886b-966c-486b-8173-24f9b6ae431e" 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_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_us-gaap_CostDirectMaterial_cebf886b-966c-486b-8173-24f9b6ae431e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses_d5a0d9e8-314d-4580-81dc-4506334c726f" 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_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_us-gaap_UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses_d5a0d9e8-314d-4580-81dc-4506334c726f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_3cd9241d-2f8b-4580-b8f8-fce1d4d82bd9" 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_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_3cd9241d-2f8b-4580-b8f8-fce1d4d82bd9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxesExcludingIncomeAndExciseTaxes_9d9c18c3-167f-4d5e-98ef-aa78d7321755" 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_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_us-gaap_TaxesExcludingIncomeAndExciseTaxes_9d9c18c3-167f-4d5e-98ef-aa78d7321755" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_6767040a-1b1a-4915-baf0-401cf54dca79" 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_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_us-gaap_CostsAndExpenses_6767040a-1b1a-4915-baf0-401cf54dca79" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_30b39660-7810-4667-8a21-0e96d0fe7602" 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_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_30b39660-7810-4667-8a21-0e96d0fe7602" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_d2ac73ef-1973-4347-a048-986618034986" 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_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_d2ac73ef-1973-4347-a048-986618034986" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_6f69f870-02c2-4162-a0c9-37c156c66cb5" 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_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_6f69f870-02c2-4162-a0c9-37c156c66cb5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_e8d708cf-af30-4c40-b03c-165acbadd28f" 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_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_e8d708cf-af30-4c40-b03c-165acbadd28f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_ca824303-cb74-4590-ad51-45c7098321ad" 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_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_ca824303-cb74-4590-ad51-45c7098321ad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_5baea66a-7e93-4986-bff2-f8ba7056286c" 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_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_5baea66a-7e93-4986-bff2-f8ba7056286c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_27dd4597-dd55-4812-9abb-5c6c80b98cc8" 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_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_27dd4597-dd55-4812-9abb-5c6c80b98cc8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_8adf934d-b3d6-4a74-97fe-d2d5c92a01af" 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_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_8adf934d-b3d6-4a74-97fe-d2d5c92a01af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_6033cf63-d36f-4535-a5af-edc9760d9720" 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_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_6033cf63-d36f-4535-a5af-edc9760d9720" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_1c04f0b5-f112-4353-99de-91a7ec330e4a" 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_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_1c04f0b5-f112-4353-99de-91a7ec330e4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_3c803589-f46b-48ae-828a-dc84d51b8ee8" 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_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_us-gaap_NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_3c803589-f46b-48ae-828a-dc84d51b8ee8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_TotalTransactionAndTransitionCostsIncurredRelatedToTheSeparation_8648cdb2-0797-46b4-a965-c3cc31604f61" xlink:href="exc-20230331.xsd#exc_TotalTransactionAndTransitionCostsIncurredRelatedToTheSeparation"/>
<link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_fdf5a66e-7090-4cbc-b791-c77e96773cc0" xlink:to="loc_exc_TotalTransactionAndTransitionCostsIncurredRelatedToTheSeparation_8648cdb2-0797-46b4-a965-c3cc31604f61" 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-20230331.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_ccd9780e-2ea3-492d-8960-2810625a3a4d" 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_01498632-ea0b-4787-bb53-d3f1cb76f220" 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_ccd9780e-2ea3-492d-8960-2810625a3a4d" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_01498632-ea0b-4787-bb53-d3f1cb76f220" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_939721ed-20d8-4a65-9479-245c7ec69aa6" 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_01498632-ea0b-4787-bb53-d3f1cb76f220" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_939721ed-20d8-4a65-9479-245c7ec69aa6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_587632d7-1055-464a-ba2f-7f7dc970f070" 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_939721ed-20d8-4a65-9479-245c7ec69aa6" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_587632d7-1055-464a-ba2f-7f7dc970f070" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_ac6f042b-0ab9-4fb2-829e-8843dcea51b7" xlink:href="exc-20230331.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_587632d7-1055-464a-ba2f-7f7dc970f070" xlink:to="loc_exc_ExelonGenerationCoLLCMember_ac6f042b-0ab9-4fb2-829e-8843dcea51b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_16764305-1e8b-4380-bdb6-ed80183bf515" 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_01498632-ea0b-4787-bb53-d3f1cb76f220" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_0438fc3d-47ec-4cd0-b572-5a89d4140c7d" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_0438fc3d-47ec-4cd0-b572-5a89d4140c7d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_2fa880dd-1c37-498b-8104-10b896a0b283" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_2fa880dd-1c37-498b-8104-10b896a0b283" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_04e07b88-4191-4b59-9693-52047b04c32d" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_04e07b88-4191-4b59-9693-52047b04c32d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_4c98f87d-e86c-44d0-8856-427f6567a50f" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_4c98f87d-e86c-44d0-8856-427f6567a50f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_d63145e8-fc5a-4e5e-af1b-b09b13c160f8" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_d63145e8-fc5a-4e5e-af1b-b09b13c160f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivablesGrossCurrent_888b00ce-8d23-45d5-8f8c-dc8b3b27fbdb" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_OtherReceivablesGrossCurrent_888b00ce-8d23-45d5-8f8c-dc8b3b27fbdb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent_274b8219-d069-4442-9545-2dbbe039be79" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent_274b8219-d069-4442-9545-2dbbe039be79" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivablesNetCurrent_180ede77-e03c-496d-bee1-a28021195219" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_OtherReceivablesNetCurrent_180ede77-e03c-496d-bee1-a28021195219" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsCurrent_965d204c-245e-4dc0-88dc-bc201ce30d02" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_DerivativeAssetsCurrent_965d204c-245e-4dc0-88dc-bc201ce30d02" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyRelatedInventoryNaturalGasInStorage_e2aa76f5-9012-400f-a205-0735b88dc755" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_EnergyRelatedInventoryNaturalGasInStorage_e2aa76f5-9012-400f-a205-0735b88dc755" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_80c857b7-955f-46bd-986f-e3c787c13397" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_80c857b7-955f-46bd-986f-e3c787c13397" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RenewableEnergyCreditsCurrent_c67fe6ce-03b8-4ee0-bb84-cbf86e648c21" xlink:href="exc-20230331.xsd#exc_RenewableEnergyCreditsCurrent"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_exc_RenewableEnergyCreditsCurrent_c67fe6ce-03b8-4ee0-bb84-cbf86e648c21" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DisposalGroupIncludingDiscontinuedOperationsAssetsCurrentAssetsHeldForSale_a5796b1f-9be9-4bbf-b527-53d5bf7dcef1" xlink:href="exc-20230331.xsd#exc_DisposalGroupIncludingDiscontinuedOperationsAssetsCurrentAssetsHeldForSale"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_exc_DisposalGroupIncludingDiscontinuedOperationsAssetsCurrentAssetsHeldForSale_a5796b1f-9be9-4bbf-b527-53d5bf7dcef1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_7afe87aa-17b6-40a1-98ed-6f6ce7a9df34" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_7afe87aa-17b6-40a1-98ed-6f6ce7a9df34" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_3cbd0ba5-66c0-4607-8bd1-584894a6577d" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_3cbd0ba5-66c0-4607-8bd1-584894a6577d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_ca7d17f8-046e-45d5-a869-7674da07fdca" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_ca7d17f8-046e-45d5-a869-7674da07fdca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent_68955208-f5d4-42b0-8330-39cb06c9f45b" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent_68955208-f5d4-42b0-8330-39cb06c9f45b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DecommissioningFundInvestments_10487273-5772-414a-ab67-2056c25e823d" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_DecommissioningFundInvestments_10487273-5772-414a-ab67-2056c25e823d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermInvestments_f14a7fb6-84b5-4714-80f2-6afb243583e6" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_LongTermInvestments_f14a7fb6-84b5-4714-80f2-6afb243583e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsNoncurrent_6aa0aefe-4842-43ef-a21a-6c1c08d61790" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_DerivativeAssetsNoncurrent_6aa0aefe-4842-43ef-a21a-6c1c08d61790" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_30b5bdc3-fd41-4da2-bf4e-b2ecf93fd7da" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_30b5bdc3-fd41-4da2-bf4e-b2ecf93fd7da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_e387b2d0-51e4-42b5-ae78-d9d49cc5ca76" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_e387b2d0-51e4-42b5-ae78-d9d49cc5ca76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_fd473310-9993-4d98-a04f-991f0249fbc8" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_Assets_fd473310-9993-4d98-a04f-991f0249fbc8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_d55e5d0a-aeee-469c-ae57-a87edd93ff91" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_ShortTermBorrowings_d55e5d0a-aeee-469c-ae57-a87edd93ff91" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_dfeb965a-e601-4dcb-a16c-4e41547f2514" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_dfeb965a-e601-4dcb-a16c-4e41547f2514" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_22d3733f-5eb4-42fd-9e31-490feb33aa20" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_22d3733f-5eb4-42fd-9e31-490feb33aa20" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent_9936ae49-afcc-4e68-84d7-bbdb60ac443d" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent_9936ae49-afcc-4e68-84d7-bbdb60ac443d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_dd971996-bd5e-452c-80ad-d84b53b58261" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_dd971996-bd5e-452c-80ad-d84b53b58261" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyMarketingAccountsPayable_04cd8d66-02cc-4f9b-8d86-85c17312297e" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_EnergyMarketingAccountsPayable_04cd8d66-02cc-4f9b-8d86-85c17312297e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DisposalGroupIncludingDiscontinuedOperationsAssetsCurrentLiabilitiesHeldForSale_e297d652-b099-46ea-a54a-b98c7bfc7f28" xlink:href="exc-20230331.xsd#exc_DisposalGroupIncludingDiscontinuedOperationsAssetsCurrentLiabilitiesHeldForSale"/>
<link:presentationArc order="30" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_exc_DisposalGroupIncludingDiscontinuedOperationsAssetsCurrentLiabilitiesHeldForSale_e297d652-b099-46ea-a54a-b98c7bfc7f28" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities_d53e8856-2340-48cf-a461-c860ce34975e" 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_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities_d53e8856-2340-48cf-a461-c860ce34975e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_38d4cf0a-1154-4f9f-969c-8388d151a6a1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtNoncurrent"/>
<link:presentationArc order="32" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_38d4cf0a-1154-4f9f-969c-8388d151a6a1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent_ab0209d6-c905-4c84-982d-32ffd0e8d041" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent"/>
<link:presentationArc order="33" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent_ab0209d6-c905-4c84-982d-32ffd0e8d041" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationsNoncurrent_0d07529e-eba5-4df9-8189-fe5af582dcd1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetRetirementObligationsNoncurrent"/>
<link:presentationArc order="34" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_AssetRetirementObligationsNoncurrent_0d07529e-eba5-4df9-8189-fe5af582dcd1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPensionPlanBenefitObligationNoncurrent_721f2a69-31f5-4de6-b7fa-461dfd45c984" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPensionPlanBenefitObligationNoncurrent"/>
<link:presentationArc order="35" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPensionPlanBenefitObligationNoncurrent_721f2a69-31f5-4de6-b7fa-461dfd45c984" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPostretirementPlanBenefitObligationNoncurrent_546469f7-2862-40e0-832f-a4eb8cf391a1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPostretirementPlanBenefitObligationNoncurrent"/>
<link:presentationArc order="36" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPostretirementPlanBenefitObligationNoncurrent_546469f7-2862-40e0-832f-a4eb8cf391a1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SpentNuclearFuelObligationNoncurrent_b6cec437-2bb0-4558-b124-3de704556b7c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SpentNuclearFuelObligationNoncurrent"/>
<link:presentationArc order="37" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_SpentNuclearFuelObligationNoncurrent_b6cec437-2bb0-4558-b124-3de704556b7c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_26db8b7b-0f8c-4697-aecf-250040daff62" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeLiabilitiesNoncurrent"/>
<link:presentationArc order="38" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_26db8b7b-0f8c-4697-aecf-250040daff62" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_603dbe09-67e2-4647-90f6-1b55dda59275" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
<link:presentationArc order="39" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_603dbe09-67e2-4647-90f6-1b55dda59275" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_fe200870-e7ee-4e0c-a2e2-26ddd2ffa219" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities"/>
<link:presentationArc order="40" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_fe200870-e7ee-4e0c-a2e2-26ddd2ffa219" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_4abce4b2-5b11-408b-b32a-55e0fcdd9d7e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Liabilities"/>
<link:presentationArc order="41" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_16764305-1e8b-4380-bdb6-ed80183bf515" xlink:to="loc_us-gaap_Liabilities_4abce4b2-5b11-408b-b32a-55e0fcdd9d7e" 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-20230331.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_a95d7c5c-00aa-491b-aedd-f033271b15d0" 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_d364e2ae-b4f0-445f-bd45-1907cbd0828f" 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_a95d7c5c-00aa-491b-aedd-f033271b15d0" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_d364e2ae-b4f0-445f-bd45-1907cbd0828f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_8405d881-60cd-468d-a03e-7a0c55b266f7" 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_d364e2ae-b4f0-445f-bd45-1907cbd0828f" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_8405d881-60cd-468d-a03e-7a0c55b266f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_204bff1a-5e4c-4423-8f59-da1a45f1bff4" 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_8405d881-60cd-468d-a03e-7a0c55b266f7" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_204bff1a-5e4c-4423-8f59-da1a45f1bff4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_a12f828f-2dd9-4f4e-bbb0-f108a73e983b" xlink:href="exc-20230331.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_204bff1a-5e4c-4423-8f59-da1a45f1bff4" xlink:to="loc_exc_ExelonGenerationCoLLCMember_a12f828f-2dd9-4f4e-bbb0-f108a73e983b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_598ffcd8-5030-4b1d-9389-e5b16ae9809f" 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_d364e2ae-b4f0-445f-bd45-1907cbd0828f" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_598ffcd8-5030-4b1d-9389-e5b16ae9809f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_87f485ae-96c9-419b-aaca-5a058e50bc01" 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_598ffcd8-5030-4b1d-9389-e5b16ae9809f" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_87f485ae-96c9-419b-aaca-5a058e50bc01" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_8af4e2fb-b20c-47fd-af10-a72e315c1bf4" 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_598ffcd8-5030-4b1d-9389-e5b16ae9809f" xlink:to="loc_us-gaap_AssetImpairmentCharges_8af4e2fb-b20c-47fd-af10-a72e315c1bf4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_ca277930-f045-47db-95a3-d1c5dbdd7b8b" 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_598ffcd8-5030-4b1d-9389-e5b16ae9809f" xlink:to="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_ca277930-f045-47db-95a3-d1c5dbdd7b8b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_2122de0c-7bc4-4b29-a2a4-168dfc0afcd6" 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_598ffcd8-5030-4b1d-9389-e5b16ae9809f" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_2122de0c-7bc4-4b29-a2a4-168dfc0afcd6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_e92fc822-6e49-4389-b7cf-e22171089acd" 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_598ffcd8-5030-4b1d-9389-e5b16ae9809f" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_e92fc822-6e49-4389-b7cf-e22171089acd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnInvestments_4e770f6e-bf84-451e-968c-84c997b45d85" 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_598ffcd8-5030-4b1d-9389-e5b16ae9809f" xlink:to="loc_us-gaap_GainLossOnInvestments_4e770f6e-bf84-451e-968c-84c997b45d85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_045928b0-bfc2-42a3-baef-1e9d621a8c4d" 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_598ffcd8-5030-4b1d-9389-e5b16ae9809f" xlink:to="loc_us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_045928b0-bfc2-42a3-baef-1e9d621a8c4d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_ad774be3-98e0-44e0-8476-d21b63c9e230" 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_598ffcd8-5030-4b1d-9389-e5b16ae9809f" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_ad774be3-98e0-44e0-8476-d21b63c9e230" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_a56b9680-1165-4856-8192-0ffb8e3920ea" 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_598ffcd8-5030-4b1d-9389-e5b16ae9809f" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_a56b9680-1165-4856-8192-0ffb8e3920ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables_d71fa184-3284-4f8c-a035-d6bdb3c9c8ec" 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_598ffcd8-5030-4b1d-9389-e5b16ae9809f" xlink:to="loc_us-gaap_ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables_d71fa184-3284-4f8c-a035-d6bdb3c9c8ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ChangeinCapitalExpendituresIncurredButNotYetPaid_aa0bdeae-9a96-4893-986b-d6c2d2bb3057" xlink:href="exc-20230331.xsd#exc_ChangeinCapitalExpendituresIncurredButNotYetPaid"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_598ffcd8-5030-4b1d-9389-e5b16ae9809f" xlink:to="loc_exc_ChangeinCapitalExpendituresIncurredButNotYetPaid_aa0bdeae-9a96-4893-986b-d6c2d2bb3057" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalDeferredPurchasePrice_61e47501-4e3b-4112-a685-5a8abe359513" 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_598ffcd8-5030-4b1d-9389-e5b16ae9809f" xlink:to="loc_us-gaap_SupplementalDeferredPurchasePrice_61e47501-4e3b-4112-a685-5a8abe359513" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsIncurredAssetRetirementObligationIncurred_4c2a717d-8f6d-4efa-a188-ea9f68d37d54" 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_598ffcd8-5030-4b1d-9389-e5b16ae9809f" xlink:to="loc_us-gaap_CostsIncurredAssetRetirementObligationIncurred_4c2a717d-8f6d-4efa-a188-ea9f68d37d54" 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-20230331.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_50051103-9248-492b-8b16-a04498c6291b" 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_5ef6185d-3a4c-4294-b11c-505219e3684f" xlink:href="exc-20230331.xsd#exc_RegulatoryMattersCompletedRateCasesTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_50051103-9248-492b-8b16-a04498c6291b" xlink:to="loc_exc_RegulatoryMattersCompletedRateCasesTable_5ef6185d-3a4c-4294-b11c-505219e3684f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_3064405c-3a7e-4b31-945d-57c3c1099a6b" 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_5ef6185d-3a4c-4294-b11c-505219e3684f" xlink:to="loc_dei_LegalEntityAxis_3064405c-3a7e-4b31-945d-57c3c1099a6b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_347c6b9e-9dde-4758-bcab-c8c27fd69c61" 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_3064405c-3a7e-4b31-945d-57c3c1099a6b" xlink:to="loc_dei_EntityDomain_347c6b9e-9dde-4758-bcab-c8c27fd69c61" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_c457b5de-e49f-402a-80bd-9282658105b8" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_347c6b9e-9dde-4758-bcab-c8c27fd69c61" xlink:to="loc_exc_CommonwealthEdisonCoMember_c457b5de-e49f-402a-80bd-9282658105b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_5c9216d8-39e5-41c8-b9e1-7657a43d89df" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_347c6b9e-9dde-4758-bcab-c8c27fd69c61" xlink:to="loc_exc_PecoEnergyCoMember_5c9216d8-39e5-41c8-b9e1-7657a43d89df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_27627acd-61c8-4802-bcdd-3ee9fa432337" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_347c6b9e-9dde-4758-bcab-c8c27fd69c61" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_27627acd-61c8-4802-bcdd-3ee9fa432337" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_8cabd2c0-fbe3-4fc7-ad8f-3c201e95acaa" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_347c6b9e-9dde-4758-bcab-c8c27fd69c61" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_8cabd2c0-fbe3-4fc7-ad8f-3c201e95acaa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_325acda3-bf70-4a3d-8c6e-5bf3dd085eac" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_347c6b9e-9dde-4758-bcab-c8c27fd69c61" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_325acda3-bf70-4a3d-8c6e-5bf3dd085eac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_5dda3455-03ce-44e4-a87b-860d33e23039" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_347c6b9e-9dde-4758-bcab-c8c27fd69c61" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_5dda3455-03ce-44e4-a87b-860d33e23039" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_0ef28509-4fcc-4325-834f-edb04f9a6d29" 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_5ef6185d-3a4c-4294-b11c-505219e3684f" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_0ef28509-4fcc-4325-834f-edb04f9a6d29" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_38a001fb-7efa-4114-8b14-32b9e31e9618" 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_0ef28509-4fcc-4325-834f-edb04f9a6d29" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_38a001fb-7efa-4114-8b14-32b9e31e9618" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Illinois2022ElectricDistributionBaseRateCaseMember_10272cef-242b-4016-870b-6cdc055d23cd" xlink:href="exc-20230331.xsd#exc_Illinois2022ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_38a001fb-7efa-4114-8b14-32b9e31e9618" xlink:to="loc_exc_Illinois2022ElectricDistributionBaseRateCaseMember_10272cef-242b-4016-870b-6cdc055d23cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Pennsylvania2022NaturalGasDistributionBaseRateCaseMember_0f386213-1532-4343-b9e0-a7e2d1505cf1" xlink:href="exc-20230331.xsd#exc_Pennsylvania2022NaturalGasDistributionBaseRateCaseMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_38a001fb-7efa-4114-8b14-32b9e31e9618" xlink:to="loc_exc_Pennsylvania2022NaturalGasDistributionBaseRateCaseMember_0f386213-1532-4343-b9e0-a7e2d1505cf1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Maryland2020ElectricDistributionBaseRateCaseMember_fcc96469-bbd3-4990-aaf6-62c628ab7e0e" xlink:href="exc-20230331.xsd#exc_Maryland2020ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_38a001fb-7efa-4114-8b14-32b9e31e9618" xlink:to="loc_exc_Maryland2020ElectricDistributionBaseRateCaseMember_fcc96469-bbd3-4990-aaf6-62c628ab7e0e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Maryland2020GasDistributionBaseRateCaseMember_cbd26c7c-9f68-4f8d-9118-5574d6bf3ad1" xlink:href="exc-20230331.xsd#exc_Maryland2020GasDistributionBaseRateCaseMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_38a001fb-7efa-4114-8b14-32b9e31e9618" xlink:to="loc_exc_Maryland2020GasDistributionBaseRateCaseMember_cbd26c7c-9f68-4f8d-9118-5574d6bf3ad1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Maryland2022ElectricDistributionBaseRateCaseMember_ab47634f-0a68-4247-b1a5-0ed6543d8379" xlink:href="exc-20230331.xsd#exc_Maryland2022ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_38a001fb-7efa-4114-8b14-32b9e31e9618" xlink:to="loc_exc_Maryland2022ElectricDistributionBaseRateCaseMember_ab47634f-0a68-4247-b1a5-0ed6543d8379" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Delaware2022NaturalGasDistributionBaseRateCaseMember_e32e4842-e963-4d74-8e42-f1f44f32df81" xlink:href="exc-20230331.xsd#exc_Delaware2022NaturalGasDistributionBaseRateCaseMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_38a001fb-7efa-4114-8b14-32b9e31e9618" xlink:to="loc_exc_Delaware2022NaturalGasDistributionBaseRateCaseMember_e32e4842-e963-4d74-8e42-f1f44f32df81" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_NewJersey2020ElectricDistributionBaseRateCaseMember_2cdafb83-b98c-43ed-bf4e-ff6049aa90f7" xlink:href="exc-20230331.xsd#exc_NewJersey2020ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_38a001fb-7efa-4114-8b14-32b9e31e9618" xlink:to="loc_exc_NewJersey2020ElectricDistributionBaseRateCaseMember_2cdafb83-b98c-43ed-bf4e-ff6049aa90f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseOffsetsAxis_6e60ac15-299c-4eae-8d55-4543c30c05e0" xlink:href="exc-20230331.xsd#exc_PublicUtilitiesApprovedRateIncreaseDecreaseOffsetsAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesTable_5ef6185d-3a4c-4294-b11c-505219e3684f" xlink:to="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseOffsetsAxis_6e60ac15-299c-4eae-8d55-4543c30c05e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseOffsetsDomain_6ce922e6-67e9-4766-acea-0971c623fcd2" xlink:href="exc-20230331.xsd#exc_PublicUtilitiesApprovedRateIncreaseDecreaseOffsetsDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseOffsetsAxis_6e60ac15-299c-4eae-8d55-4543c30c05e0" xlink:to="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseOffsetsDomain_6ce922e6-67e9-4766-acea-0971c623fcd2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OffsetsMember_9fe759ee-1dad-4f7d-9359-f85c523ddc27" xlink:href="exc-20230331.xsd#exc_OffsetsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseOffsetsDomain_6ce922e6-67e9-4766-acea-0971c623fcd2" xlink:to="loc_exc_OffsetsMember_9fe759ee-1dad-4f7d-9359-f85c523ddc27" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseTaxBenefitsAxis_3d7a3800-4ff1-4242-8df9-bb1947905b8d" xlink:href="exc-20230331.xsd#exc_PublicUtilitiesApprovedRateIncreaseDecreaseTaxBenefitsAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesTable_5ef6185d-3a4c-4294-b11c-505219e3684f" xlink:to="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseTaxBenefitsAxis_3d7a3800-4ff1-4242-8df9-bb1947905b8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseTaxBenefitsDomain_eb67b03e-658f-4563-834c-629b63f442e4" xlink:href="exc-20230331.xsd#exc_PublicUtilitiesApprovedRateIncreaseDecreaseTaxBenefitsDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseTaxBenefitsAxis_3d7a3800-4ff1-4242-8df9-bb1947905b8d" xlink:to="loc_exc_PublicUtilitiesApprovedRateIncreaseDecreaseTaxBenefitsDomain_eb67b03e-658f-4563-834c-629b63f442e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PenaltyAxis_82cf57eb-224f-4d7b-9a7e-836e30c2b4c9" xlink:href="exc-20230331.xsd#exc_PenaltyAxis"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesTable_5ef6185d-3a4c-4294-b11c-505219e3684f" xlink:to="loc_exc_PenaltyAxis_82cf57eb-224f-4d7b-9a7e-836e30c2b4c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PenaltyDomain_0101c6f1-ae3a-4aa0-8b1b-928bba6113bf" xlink:href="exc-20230331.xsd#exc_PenaltyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PenaltyAxis_82cf57eb-224f-4d7b-9a7e-836e30c2b4c9" xlink:to="loc_exc_PenaltyDomain_0101c6f1-ae3a-4aa0-8b1b-928bba6113bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PerformanceMetricsPenaltyMember_43f6bb98-7237-4b7e-b7fb-659bc0cece4b" xlink:href="exc-20230331.xsd#exc_PerformanceMetricsPenaltyMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PenaltyDomain_0101c6f1-ae3a-4aa0-8b1b-928bba6113bf" xlink:to="loc_exc_PerformanceMetricsPenaltyMember_43f6bb98-7237-4b7e-b7fb-659bc0cece4b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PeriodAxis_a60042ad-7908-42aa-a043-8b829536738b" xlink:href="exc-20230331.xsd#exc_PeriodAxis"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesTable_5ef6185d-3a4c-4294-b11c-505219e3684f" xlink:to="loc_exc_PeriodAxis_a60042ad-7908-42aa-a043-8b829536738b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PeriodDomain_23b4efc5-0855-441c-8f52-63e842bf132c" xlink:href="exc-20230331.xsd#exc_PeriodDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodAxis_a60042ad-7908-42aa-a043-8b829536738b" xlink:to="loc_exc_PeriodDomain_23b4efc5-0855-441c-8f52-63e842bf132c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2021Member_b8f08f22-5e53-4598-8945-bbbb9631259b" xlink:href="exc-20230331.xsd#exc_A2021Member"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_23b4efc5-0855-441c-8f52-63e842bf132c" xlink:to="loc_exc_A2021Member_b8f08f22-5e53-4598-8945-bbbb9631259b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2022Member_bc780dc9-3ca9-48a5-a6e3-dc917d71ac6f" xlink:href="exc-20230331.xsd#exc_A2022Member"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_23b4efc5-0855-441c-8f52-63e842bf132c" xlink:to="loc_exc_A2022Member_bc780dc9-3ca9-48a5-a6e3-dc917d71ac6f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2023Member_3c551bbc-fc6d-4042-93b5-9d415e1d6597" xlink:href="exc-20230331.xsd#exc_A2023Member"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_23b4efc5-0855-441c-8f52-63e842bf132c" xlink:to="loc_exc_A2023Member_3c551bbc-fc6d-4042-93b5-9d415e1d6597" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2024Member_9c9c7687-1ebb-49e4-87be-293fcc74a711" xlink:href="exc-20230331.xsd#exc_A2024Member"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_23b4efc5-0855-441c-8f52-63e842bf132c" xlink:to="loc_exc_A2024Member_9c9c7687-1ebb-49e4-87be-293fcc74a711" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2025Member_53addcd2-baaf-4d82-94df-f0118b8e9119" xlink:href="exc-20230331.xsd#exc_A2025Member"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_23b4efc5-0855-441c-8f52-63e842bf132c" xlink:to="loc_exc_A2025Member_53addcd2-baaf-4d82-94df-f0118b8e9119" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RegulatoryMattersCompletedRateCasesLineItems_5f46ce7d-73b6-4fb7-ab01-7eaf18e2b352" xlink:href="exc-20230331.xsd#exc_RegulatoryMattersCompletedRateCasesLineItems"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesTable_5ef6185d-3a4c-4294-b11c-505219e3684f" xlink:to="loc_exc_RegulatoryMattersCompletedRateCasesLineItems_5f46ce7d-73b6-4fb7-ab01-7eaf18e2b352" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount_3463c7a6-999a-4c20-8175-d8db8d3d6cf1" 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_5f46ce7d-73b6-4fb7-ab01-7eaf18e2b352" xlink:to="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount_3463c7a6-999a-4c20-8175-d8db8d3d6cf1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount_159f5a3d-e8e4-4ac5-b038-8789f0fe7591" 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_5f46ce7d-73b6-4fb7-ab01-7eaf18e2b352" xlink:to="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount_159f5a3d-e8e4-4ac5-b038-8789f0fe7591" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount_78881b28-0e85-4e1e-9572-5b9bfda8c2c0" 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_5f46ce7d-73b6-4fb7-ab01-7eaf18e2b352" xlink:to="loc_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount_78881b28-0e85-4e1e-9572-5b9bfda8c2c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage_dc5cc4b7-6358-4059-b176-c1d24c4ad316" 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_5f46ce7d-73b6-4fb7-ab01-7eaf18e2b352" xlink:to="loc_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage_dc5cc4b7-6358-4059-b176-c1d24c4ad316" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreasePriorYearAnnualReconciliation_8a2f3cac-5b89-49df-a948-7c12f43d46fe" xlink:href="exc-20230331.xsd#exc_PublicUtilitiesRequestedRateIncreaseDecreasePriorYearAnnualReconciliation"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesLineItems_5f46ce7d-73b6-4fb7-ab01-7eaf18e2b352" xlink:to="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreasePriorYearAnnualReconciliation_8a2f3cac-5b89-49df-a948-7c12f43d46fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage_01a032c9-4266-4200-a83f-028fcf2b4c61" 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_5f46ce7d-73b6-4fb7-ab01-7eaf18e2b352" xlink:to="loc_us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage_01a032c9-4266-4200-a83f-028fcf2b4c61" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BasispointsforComEdsRevenueRequirement_21e517a8-cef3-4fa3-b46f-9ee50c8b05e0" xlink:href="exc-20230331.xsd#exc_BasispointsforComEdsRevenueRequirement"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersCompletedRateCasesLineItems_5f46ce7d-73b6-4fb7-ab01-7eaf18e2b352" xlink:to="loc_exc_BasispointsforComEdsRevenueRequirement_21e517a8-cef3-4fa3-b46f-9ee50c8b05e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreasePercentage_b26e583e-228e-4128-abdd-eef83ff0ba62" 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_5f46ce7d-73b6-4fb7-ab01-7eaf18e2b352" xlink:to="loc_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreasePercentage_b26e583e-228e-4128-abdd-eef83ff0ba62" 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-20230331.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_3f08b0ba-7bef-4ce6-a521-7a1e781fe816" 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_e7523c17-8cb1-44a6-a4f3-ad501d5821a5" xlink:href="exc-20230331.xsd#exc_RegulatoryMattersPendingRateCasesTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_3f08b0ba-7bef-4ce6-a521-7a1e781fe816" xlink:to="loc_exc_RegulatoryMattersPendingRateCasesTable_e7523c17-8cb1-44a6-a4f3-ad501d5821a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_4837ec97-72b8-48af-9abe-4089bb3568ac" 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_e7523c17-8cb1-44a6-a4f3-ad501d5821a5" xlink:to="loc_dei_LegalEntityAxis_4837ec97-72b8-48af-9abe-4089bb3568ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_22aa3bf7-8e1f-4361-8a6e-b8b38b3b8409" 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_4837ec97-72b8-48af-9abe-4089bb3568ac" xlink:to="loc_dei_EntityDomain_22aa3bf7-8e1f-4361-8a6e-b8b38b3b8409" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_01543874-20a1-4f84-b293-00124ce58482" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_22aa3bf7-8e1f-4361-8a6e-b8b38b3b8409" xlink:to="loc_exc_CommonwealthEdisonCoMember_01543874-20a1-4f84-b293-00124ce58482" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_ba653005-a5b2-4964-9159-95a0f2056cce" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_22aa3bf7-8e1f-4361-8a6e-b8b38b3b8409" xlink:to="loc_exc_PecoEnergyCoMember_ba653005-a5b2-4964-9159-95a0f2056cce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_43d453b5-7a44-4380-a3ae-fed03bd517ee" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_22aa3bf7-8e1f-4361-8a6e-b8b38b3b8409" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_43d453b5-7a44-4380-a3ae-fed03bd517ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_c3cd0f42-51a5-4892-99d9-6e1c369d0cb4" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_22aa3bf7-8e1f-4361-8a6e-b8b38b3b8409" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_c3cd0f42-51a5-4892-99d9-6e1c369d0cb4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_b06f5070-621a-4c70-bdf0-2bc61765f466" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_22aa3bf7-8e1f-4361-8a6e-b8b38b3b8409" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_b06f5070-621a-4c70-bdf0-2bc61765f466" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_09fe2c2f-a460-4c3a-b88e-4463346e4ccb" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_22aa3bf7-8e1f-4361-8a6e-b8b38b3b8409" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_09fe2c2f-a460-4c3a-b88e-4463346e4ccb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_5bcc96b4-266f-4f53-9fc5-670e42672a6d" 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_e7523c17-8cb1-44a6-a4f3-ad501d5821a5" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_5bcc96b4-266f-4f53-9fc5-670e42672a6d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_629a3aa0-ee76-4af0-8e99-9f21fba40318" 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_5bcc96b4-266f-4f53-9fc5-670e42672a6d" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_629a3aa0-ee76-4af0-8e99-9f21fba40318" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Illinois2023ElectricDistributionBaseRateCaseMember_09522c54-d478-4e69-92e6-60578045c900" xlink:href="exc-20230331.xsd#exc_Illinois2023ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_629a3aa0-ee76-4af0-8e99-9f21fba40318" xlink:to="loc_exc_Illinois2023ElectricDistributionBaseRateCaseMember_09522c54-d478-4e69-92e6-60578045c900" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Illinois2023ElectricDistributionReconciliationRateCaseMember_64e15924-3716-4dd4-8f80-8ad303963e81" xlink:href="exc-20230331.xsd#exc_Illinois2023ElectricDistributionReconciliationRateCaseMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_629a3aa0-ee76-4af0-8e99-9f21fba40318" xlink:to="loc_exc_Illinois2023ElectricDistributionReconciliationRateCaseMember_64e15924-3716-4dd4-8f80-8ad303963e81" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Maryland2023ElectricDistributionBaseRateCaseMember_145d3c10-d1ab-4306-ab34-611ec1740b0b" xlink:href="exc-20230331.xsd#exc_Maryland2023ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_629a3aa0-ee76-4af0-8e99-9f21fba40318" xlink:to="loc_exc_Maryland2023ElectricDistributionBaseRateCaseMember_145d3c10-d1ab-4306-ab34-611ec1740b0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Maryland2023GasDistributionBaseRateCaseMember_d327082c-6d6c-40b5-958c-bc87ba04f885" xlink:href="exc-20230331.xsd#exc_Maryland2023GasDistributionBaseRateCaseMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_629a3aa0-ee76-4af0-8e99-9f21fba40318" xlink:to="loc_exc_Maryland2023GasDistributionBaseRateCaseMember_d327082c-6d6c-40b5-958c-bc87ba04f885" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DistrictOfColumbia2023ElectricDistributionBaseRateCaseMember_7f350582-2619-4ced-a969-6dfc39163e0a" xlink:href="exc-20230331.xsd#exc_DistrictOfColumbia2023ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_629a3aa0-ee76-4af0-8e99-9f21fba40318" xlink:to="loc_exc_DistrictOfColumbia2023ElectricDistributionBaseRateCaseMember_7f350582-2619-4ced-a969-6dfc39163e0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelawareDE2022ElectricDistributionBaseRateCaseMember_bf813522-26d9-475d-a809-f24e8a18befd" xlink:href="exc-20230331.xsd#exc_DelawareDE2022ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_629a3aa0-ee76-4af0-8e99-9f21fba40318" xlink:to="loc_exc_DelawareDE2022ElectricDistributionBaseRateCaseMember_bf813522-26d9-475d-a809-f24e8a18befd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_NewJersey2023ElectricDistributionBaseRateCaseMember_54af8b11-d8b8-48bf-ba32-e3102ad7e996" xlink:href="exc-20230331.xsd#exc_NewJersey2023ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_629a3aa0-ee76-4af0-8e99-9f21fba40318" xlink:to="loc_exc_NewJersey2023ElectricDistributionBaseRateCaseMember_54af8b11-d8b8-48bf-ba32-e3102ad7e996" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Maryland2023ElectricDistributionReconciliationRateCaseMember_03332285-dafd-4c45-8d31-0b5d4cb4e1d7" xlink:href="exc-20230331.xsd#exc_Maryland2023ElectricDistributionReconciliationRateCaseMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_629a3aa0-ee76-4af0-8e99-9f21fba40318" xlink:to="loc_exc_Maryland2023ElectricDistributionReconciliationRateCaseMember_03332285-dafd-4c45-8d31-0b5d4cb4e1d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Maryland2023GasDistributionReconciliationRateCaseMember_150bd266-89e5-49c4-8711-82f6d6d9f372" xlink:href="exc-20230331.xsd#exc_Maryland2023GasDistributionReconciliationRateCaseMember"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_629a3aa0-ee76-4af0-8e99-9f21fba40318" xlink:to="loc_exc_Maryland2023GasDistributionReconciliationRateCaseMember_150bd266-89e5-49c4-8711-82f6d6d9f372" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PenaltyAxis_bc5c81bf-5562-409c-a2a6-bf8e24cc9695" xlink:href="exc-20230331.xsd#exc_PenaltyAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesTable_e7523c17-8cb1-44a6-a4f3-ad501d5821a5" xlink:to="loc_exc_PenaltyAxis_bc5c81bf-5562-409c-a2a6-bf8e24cc9695" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PenaltyDomain_beee04ed-2cf8-4170-af22-86e3b6f78581" xlink:href="exc-20230331.xsd#exc_PenaltyDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PenaltyAxis_bc5c81bf-5562-409c-a2a6-bf8e24cc9695" xlink:to="loc_exc_PenaltyDomain_beee04ed-2cf8-4170-af22-86e3b6f78581" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PerformanceMetricsPenaltyMember_d57775f7-6e30-4c35-aeb0-1e92856b8168" xlink:href="exc-20230331.xsd#exc_PerformanceMetricsPenaltyMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PenaltyDomain_beee04ed-2cf8-4170-af22-86e3b6f78581" xlink:to="loc_exc_PerformanceMetricsPenaltyMember_d57775f7-6e30-4c35-aeb0-1e92856b8168" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_dffee61d-08de-4e71-a0c2-ec0da5eb4925" 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_e7523c17-8cb1-44a6-a4f3-ad501d5821a5" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_dffee61d-08de-4e71-a0c2-ec0da5eb4925" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_82ceb237-6670-4c70-aa4e-9c3172c0339c" 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_dffee61d-08de-4e71-a0c2-ec0da5eb4925" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_82ceb237-6670-4c70-aa4e-9c3172c0339c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_b1082805-a100-40f6-be02-938a306837e5" 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_82ceb237-6670-4c70-aa4e-9c3172c0339c" xlink:to="loc_us-gaap_SubsequentEventMember_b1082805-a100-40f6-be02-938a306837e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PeriodAxis_ef7ee87c-7956-4cf2-9cc4-02177a4bcf47" xlink:href="exc-20230331.xsd#exc_PeriodAxis"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesTable_e7523c17-8cb1-44a6-a4f3-ad501d5821a5" xlink:to="loc_exc_PeriodAxis_ef7ee87c-7956-4cf2-9cc4-02177a4bcf47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PeriodDomain_53bb81a4-667c-4b9c-896f-73748fe2f57e" xlink:href="exc-20230331.xsd#exc_PeriodDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodAxis_ef7ee87c-7956-4cf2-9cc4-02177a4bcf47" xlink:to="loc_exc_PeriodDomain_53bb81a4-667c-4b9c-896f-73748fe2f57e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2022Member_c9c2e442-0db2-410f-a646-32796fe88009" xlink:href="exc-20230331.xsd#exc_A2022Member"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_53bb81a4-667c-4b9c-896f-73748fe2f57e" xlink:to="loc_exc_A2022Member_c9c2e442-0db2-410f-a646-32796fe88009" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2023Member_350d63d5-6da8-41d7-a94e-3f32004da3ab" xlink:href="exc-20230331.xsd#exc_A2023Member"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_53bb81a4-667c-4b9c-896f-73748fe2f57e" xlink:to="loc_exc_A2023Member_350d63d5-6da8-41d7-a94e-3f32004da3ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2024Member_4b187bbf-12a8-4975-a2ba-8dde9de93908" xlink:href="exc-20230331.xsd#exc_A2024Member"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_53bb81a4-667c-4b9c-896f-73748fe2f57e" xlink:to="loc_exc_A2024Member_4b187bbf-12a8-4975-a2ba-8dde9de93908" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2025Member_79bbaa4b-879b-487b-9a11-f803c2ce09ac" xlink:href="exc-20230331.xsd#exc_A2025Member"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_53bb81a4-667c-4b9c-896f-73748fe2f57e" xlink:to="loc_exc_A2025Member_79bbaa4b-879b-487b-9a11-f803c2ce09ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2026Member_671c85cf-cf07-4b13-9bee-f60b54b1bce6" xlink:href="exc-20230331.xsd#exc_A2026Member"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_53bb81a4-667c-4b9c-896f-73748fe2f57e" xlink:to="loc_exc_A2026Member_671c85cf-cf07-4b13-9bee-f60b54b1bce6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2027Member_e68fcde1-b853-48f1-bc00-7dbb927c3438" xlink:href="exc-20230331.xsd#exc_A2027Member"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_53bb81a4-667c-4b9c-896f-73748fe2f57e" xlink:to="loc_exc_A2027Member_e68fcde1-b853-48f1-bc00-7dbb927c3438" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2021Member_0234678f-81b6-4716-9d24-256d2a0d7887" xlink:href="exc-20230331.xsd#exc_A2021Member"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_53bb81a4-667c-4b9c-896f-73748fe2f57e" xlink:to="loc_exc_A2021Member_0234678f-81b6-4716-9d24-256d2a0d7887" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_3c76e5f9-ee20-4941-be71-8ffa3d7e8a8c" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeAxis"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesTable_e7523c17-8cb1-44a6-a4f3-ad501d5821a5" xlink:to="loc_srt_RangeAxis_3c76e5f9-ee20-4941-be71-8ffa3d7e8a8c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_ffa028bc-be7f-4e87-b773-15e3d64a20db" 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_3c76e5f9-ee20-4941-be71-8ffa3d7e8a8c" xlink:to="loc_srt_RangeMember_ffa028bc-be7f-4e87-b773-15e3d64a20db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_6ce61c51-08a8-491a-9116-8a966e7b2249" 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_ffa028bc-be7f-4e87-b773-15e3d64a20db" xlink:to="loc_srt_MinimumMember_6ce61c51-08a8-491a-9116-8a966e7b2249" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_9307b807-c016-4147-b26e-48bfa4b9e221" 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_ffa028bc-be7f-4e87-b773-15e3d64a20db" xlink:to="loc_srt_MaximumMember_9307b807-c016-4147-b26e-48bfa4b9e221" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RegulatoryMattersPendingRateCasesLineItems_04529578-1a40-4839-903e-a09386edb288" xlink:href="exc-20230331.xsd#exc_RegulatoryMattersPendingRateCasesLineItems"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesTable_e7523c17-8cb1-44a6-a4f3-ad501d5821a5" xlink:to="loc_exc_RegulatoryMattersPendingRateCasesLineItems_04529578-1a40-4839-903e-a09386edb288" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount_1cf9a38c-faff-48d2-9e99-f720525bb2c5" 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_04529578-1a40-4839-903e-a09386edb288" xlink:to="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount_1cf9a38c-faff-48d2-9e99-f720525bb2c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount_6b24c03d-69f5-435c-9f3c-a397dfd4f217" 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_04529578-1a40-4839-903e-a09386edb288" xlink:to="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount_6b24c03d-69f5-435c-9f3c-a397dfd4f217" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedReturnOnEquityPercentage_0503e6dd-8908-4d1f-8b5d-90c49ec62aa5" 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_04529578-1a40-4839-903e-a09386edb288" xlink:to="loc_us-gaap_PublicUtilitiesRequestedReturnOnEquityPercentage_0503e6dd-8908-4d1f-8b5d-90c49ec62aa5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreaseInitialRevenueRequirementAmount_e99fdab5-dd10-42af-87a9-ea54c71c28da" xlink:href="exc-20230331.xsd#exc_PublicUtilitiesRequestedRateIncreaseDecreaseInitialRevenueRequirementAmount"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesLineItems_04529578-1a40-4839-903e-a09386edb288" xlink:to="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreaseInitialRevenueRequirementAmount_e99fdab5-dd10-42af-87a9-ea54c71c28da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreasePriorYearAnnualReconciliation_e8757b0c-7265-4be3-9190-3da2dcf7067f" xlink:href="exc-20230331.xsd#exc_PublicUtilitiesRequestedRateIncreaseDecreasePriorYearAnnualReconciliation"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesLineItems_04529578-1a40-4839-903e-a09386edb288" xlink:to="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreasePriorYearAnnualReconciliation_e8757b0c-7265-4be3-9190-3da2dcf7067f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BasispointsforComEdsRevenueRequirement_42ec0094-2b8e-4f4a-9812-ad025ccce8ad" xlink:href="exc-20230331.xsd#exc_BasispointsforComEdsRevenueRequirement"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesLineItems_04529578-1a40-4839-903e-a09386edb288" xlink:to="loc_exc_BasispointsforComEdsRevenueRequirement_42ec0094-2b8e-4f4a-9812-ad025ccce8ad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreaseTaxBenefits_629ea849-7892-45bd-bd84-11e5d963cce5" xlink:href="exc-20230331.xsd#exc_PublicUtilitiesRequestedRateIncreaseDecreaseTaxBenefits"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesLineItems_04529578-1a40-4839-903e-a09386edb288" xlink:to="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreaseTaxBenefits_629ea849-7892-45bd-bd84-11e5d963cce5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage_10041dfe-18dd-4d71-8212-a0a2470508a3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesLineItems_04529578-1a40-4839-903e-a09386edb288" xlink:to="loc_us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage_10041dfe-18dd-4d71-8212-a0a2470508a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreaseProposedRevenueRequirementPhaseIn_1ddc9062-e00a-46ca-9843-5f32a51a525e" xlink:href="exc-20230331.xsd#exc_PublicUtilitiesRequestedRateIncreaseDecreaseProposedRevenueRequirementPhaseIn"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesLineItems_04529578-1a40-4839-903e-a09386edb288" xlink:to="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreaseProposedRevenueRequirementPhaseIn_1ddc9062-e00a-46ca-9843-5f32a51a525e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount_4c547cc4-c2e0-45a1-9f9f-046d091636b1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesLineItems_04529578-1a40-4839-903e-a09386edb288" xlink:to="loc_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount_4c547cc4-c2e0-45a1-9f9f-046d091636b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage_6f3573de-d833-43ac-a173-8891f52c9a47" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersPendingRateCasesLineItems_04529578-1a40-4839-903e-a09386edb288" xlink:to="loc_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage_6f3573de-d833-43ac-a173-8891f52c9a47" 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-20230331.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_b8fa5892-7c03-4281-90f4-e6f4cbb9d668" 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_e496fff6-a61a-446f-9c1d-6105671f38e4" 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_b8fa5892-7c03-4281-90f4-e6f4cbb9d668" xlink:to="loc_us-gaap_PublicUtilitiesGeneralDisclosuresTable_e496fff6-a61a-446f-9c1d-6105671f38e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_c6aa9a31-8b5c-4c3a-ade2-8e9d54c39d77" 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_e496fff6-a61a-446f-9c1d-6105671f38e4" xlink:to="loc_dei_LegalEntityAxis_c6aa9a31-8b5c-4c3a-ade2-8e9d54c39d77" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_14468f08-bbda-471c-96e9-be5bb7109754" 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_c6aa9a31-8b5c-4c3a-ade2-8e9d54c39d77" xlink:to="loc_dei_EntityDomain_14468f08-bbda-471c-96e9-be5bb7109754" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_b390d61b-2bac-4765-b759-8eb3993339b1" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_14468f08-bbda-471c-96e9-be5bb7109754" xlink:to="loc_exc_CommonwealthEdisonCoMember_b390d61b-2bac-4765-b759-8eb3993339b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_082b835a-b25a-48c2-bfe0-b3ed59d73a31" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_14468f08-bbda-471c-96e9-be5bb7109754" xlink:to="loc_exc_PecoEnergyCoMember_082b835a-b25a-48c2-bfe0-b3ed59d73a31" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_153e3140-8f32-47a5-bffb-5664e5e6d494" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_14468f08-bbda-471c-96e9-be5bb7109754" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_153e3140-8f32-47a5-bffb-5664e5e6d494" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_fa736a16-5385-49e2-affd-801768b659fd" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_14468f08-bbda-471c-96e9-be5bb7109754" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_fa736a16-5385-49e2-affd-801768b659fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_0ec68f25-0fbf-4e54-969a-f144ca331a28" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_14468f08-bbda-471c-96e9-be5bb7109754" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_0ec68f25-0fbf-4e54-969a-f144ca331a28" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_a9cb3e96-789b-4bcf-94fa-610d6a389fa0" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_14468f08-bbda-471c-96e9-be5bb7109754" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_a9cb3e96-789b-4bcf-94fa-610d6a389fa0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_8a7e8edd-9e86-4fa5-ae06-5e7ca1259b92" 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_e496fff6-a61a-446f-9c1d-6105671f38e4" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_8a7e8edd-9e86-4fa5-ae06-5e7ca1259b92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_76951e0e-333e-480a-a5fc-42cedb9c5e45" 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_8a7e8edd-9e86-4fa5-ae06-5e7ca1259b92" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_76951e0e-333e-480a-a5fc-42cedb9c5e45" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2022TransmissionFormulaRateAnnualUpdateDomain_ff389882-3da0-489c-a9ed-44efb92748e8" xlink:href="exc-20230331.xsd#exc_A2022TransmissionFormulaRateAnnualUpdateDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_76951e0e-333e-480a-a5fc-42cedb9c5e45" xlink:to="loc_exc_A2022TransmissionFormulaRateAnnualUpdateDomain_ff389882-3da0-489c-a9ed-44efb92748e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2022TransmissionFormulaRateRevenueReductionMember_b87a67e3-51d4-4d6e-bf59-68864e0aaa80" xlink:href="exc-20230331.xsd#exc_A2022TransmissionFormulaRateRevenueReductionMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_76951e0e-333e-480a-a5fc-42cedb9c5e45" xlink:to="loc_exc_A2022TransmissionFormulaRateRevenueReductionMember_b87a67e3-51d4-4d6e-bf59-68864e0aaa80" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2023TransmissionFormulaRateAnnualUpdateDomain_74413045-9071-468a-831b-65278b4a2c0a" xlink:href="exc-20230331.xsd#exc_A2023TransmissionFormulaRateAnnualUpdateDomain"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_76951e0e-333e-480a-a5fc-42cedb9c5e45" xlink:to="loc_exc_A2023TransmissionFormulaRateAnnualUpdateDomain_74413045-9071-468a-831b-65278b4a2c0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2023TransmissionFormulaRateRevenueReductionMember_7df444eb-3252-44ab-9772-bf611df5a886" xlink:href="exc-20230331.xsd#exc_A2023TransmissionFormulaRateRevenueReductionMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_76951e0e-333e-480a-a5fc-42cedb9c5e45" xlink:to="loc_exc_A2023TransmissionFormulaRateRevenueReductionMember_7df444eb-3252-44ab-9772-bf611df5a886" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems_bec00e1c-3614-4cf6-b6ed-977adaa90f16" 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_e496fff6-a61a-446f-9c1d-6105671f38e4" xlink:to="loc_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems_bec00e1c-3614-4cf6-b6ed-977adaa90f16" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount_1a3dbb27-0105-48da-b77d-f582e737efac" 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_bec00e1c-3614-4cf6-b6ed-977adaa90f16" xlink:to="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount_1a3dbb27-0105-48da-b77d-f582e737efac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Revenue_9ba658c2-b161-4a78-a8f9-3cab4d1b98c8" xlink:href="exc-20230331.xsd#exc_Revenue"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems_bec00e1c-3614-4cf6-b6ed-977adaa90f16" xlink:to="loc_exc_Revenue_9ba658c2-b161-4a78-a8f9-3cab4d1b98c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount_b63952ea-23e0-42de-9116-2fc054555bd7" 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_bec00e1c-3614-4cf6-b6ed-977adaa90f16" xlink:to="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount_b63952ea-23e0-42de-9116-2fc054555bd7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage_ad5ccdfd-84f5-4885-a7c5-42bbae43bf7f" 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_bec00e1c-3614-4cf6-b6ed-977adaa90f16" xlink:to="loc_us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage_ad5ccdfd-84f5-4885-a7c5-42bbae43bf7f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage_2424a0d3-9370-4e36-bc09-527e6049a94b" 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_bec00e1c-3614-4cf6-b6ed-977adaa90f16" xlink:to="loc_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage_2424a0d3-9370-4e36-bc09-527e6049a94b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CaponEquityComponentofRateofReturnonCommonEquityinFederalEnergyRegulatoryCommitteeComplaint_09dfd1a6-df30-414d-b963-e7491f3f68ff" xlink:href="exc-20230331.xsd#exc_CaponEquityComponentofRateofReturnonCommonEquityinFederalEnergyRegulatoryCommitteeComplaint"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems_bec00e1c-3614-4cf6-b6ed-977adaa90f16" xlink:to="loc_exc_CaponEquityComponentofRateofReturnonCommonEquityinFederalEnergyRegulatoryCommitteeComplaint_09dfd1a6-df30-414d-b963-e7491f3f68ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BasisPointsForTransmissionFormulaRate_5ded5476-11c7-47dd-abb3-7462f75d4738" xlink:href="exc-20230331.xsd#exc_BasisPointsForTransmissionFormulaRate"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems_bec00e1c-3614-4cf6-b6ed-977adaa90f16" xlink:to="loc_exc_BasisPointsForTransmissionFormulaRate_5ded5476-11c7-47dd-abb3-7462f75d4738" 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-20230331.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_668e55e6-c3e3-4b7d-89e3-faefa74753fd" 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_5714856f-86b0-4963-8b96-9a048120de52" xlink:href="exc-20230331.xsd#exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_668e55e6-c3e3-4b7d-89e3-faefa74753fd" xlink:to="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesTable_5714856f-86b0-4963-8b96-9a048120de52" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_62bb72e0-55c8-41a1-9ff3-2219e3936ab3" 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_5714856f-86b0-4963-8b96-9a048120de52" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_62bb72e0-55c8-41a1-9ff3-2219e3936ab3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_3a12428b-8039-4c99-b844-b98a9fae35db" 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_62bb72e0-55c8-41a1-9ff3-2219e3936ab3" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_3a12428b-8039-4c99-b844-b98a9fae35db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ComEd2022EnergyEfficiencyFormulaRateDomain_96b54479-108e-42d6-b443-580929a3515c" xlink:href="exc-20230331.xsd#exc_ComEd2022EnergyEfficiencyFormulaRateDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_3a12428b-8039-4c99-b844-b98a9fae35db" xlink:to="loc_exc_ComEd2022EnergyEfficiencyFormulaRateDomain_96b54479-108e-42d6-b443-580929a3515c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_311feee6-8b2d-40f5-91c3-aa5580b9c971" 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_5714856f-86b0-4963-8b96-9a048120de52" xlink:to="loc_dei_LegalEntityAxis_311feee6-8b2d-40f5-91c3-aa5580b9c971" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_3acf4136-de0a-47f7-a92d-76351bd5b0e9" 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_311feee6-8b2d-40f5-91c3-aa5580b9c971" xlink:to="loc_dei_EntityDomain_3acf4136-de0a-47f7-a92d-76351bd5b0e9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_3412f9d1-10c2-45ae-8b53-d9897ddcf636" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3acf4136-de0a-47f7-a92d-76351bd5b0e9" xlink:to="loc_exc_CommonwealthEdisonCoMember_3412f9d1-10c2-45ae-8b53-d9897ddcf636" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PeriodAxis_dea1908f-4c85-49f4-abd6-76d33063d9e0" xlink:href="exc-20230331.xsd#exc_PeriodAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesTable_5714856f-86b0-4963-8b96-9a048120de52" xlink:to="loc_exc_PeriodAxis_dea1908f-4c85-49f4-abd6-76d33063d9e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PeriodDomain_587e8aa1-a192-4814-8880-dca2ac8ed23b" xlink:href="exc-20230331.xsd#exc_PeriodDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodAxis_dea1908f-4c85-49f4-abd6-76d33063d9e0" xlink:to="loc_exc_PeriodDomain_587e8aa1-a192-4814-8880-dca2ac8ed23b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_A2021Member_3ee331bd-eeda-4ec3-beb5-17601eb543d5" xlink:href="exc-20230331.xsd#exc_A2021Member"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_PeriodDomain_587e8aa1-a192-4814-8880-dca2ac8ed23b" xlink:to="loc_exc_A2021Member_3ee331bd-eeda-4ec3-beb5-17601eb543d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesLineItems_22a0872d-8027-4bda-8280-02a5e5da4e88" xlink:href="exc-20230331.xsd#exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesLineItems"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesTable_5714856f-86b0-4963-8b96-9a048120de52" xlink:to="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesLineItems_22a0872d-8027-4bda-8280-02a5e5da4e88" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount_a1d6a21e-2536-4153-a4f6-4e10a3cc01db" 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_22a0872d-8027-4bda-8280-02a5e5da4e88" xlink:to="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount_a1d6a21e-2536-4153-a4f6-4e10a3cc01db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreasePriorYearAnnualReconciliation_5bb39091-58d3-4409-9f87-931e918b2273" xlink:href="exc-20230331.xsd#exc_PublicUtilitiesRequestedRateIncreaseDecreasePriorYearAnnualReconciliation"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesLineItems_22a0872d-8027-4bda-8280-02a5e5da4e88" xlink:to="loc_exc_PublicUtilitiesRequestedRateIncreaseDecreasePriorYearAnnualReconciliation_5bb39091-58d3-4409-9f87-931e918b2273" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount_7b9e0892-a5db-47cf-b3b9-6b20358d47db" 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_22a0872d-8027-4bda-8280-02a5e5da4e88" xlink:to="loc_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount_7b9e0892-a5db-47cf-b3b9-6b20358d47db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage_bfb3cc91-612b-4f94-8854-fe4fef2d75a9" 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_22a0872d-8027-4bda-8280-02a5e5da4e88" xlink:to="loc_us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage_bfb3cc91-612b-4f94-8854-fe4fef2d75a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BasispointsforComEdsRevenueRequirement_d3bddea2-7f1b-4e82-bd96-f65d7bf16a6b" xlink:href="exc-20230331.xsd#exc_BasispointsforComEdsRevenueRequirement"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ScheduleOfEnergyEfficiencyFormulaRateUpdatesLineItems_22a0872d-8027-4bda-8280-02a5e5da4e88" xlink:to="loc_exc_BasispointsforComEdsRevenueRequirement_d3bddea2-7f1b-4e82-bd96-f65d7bf16a6b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage_6190de5f-faf9-4aef-9501-29c8e23d4e83" 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_22a0872d-8027-4bda-8280-02a5e5da4e88" xlink:to="loc_us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage_6190de5f-faf9-4aef-9501-29c8e23d4e83" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage_dc594794-18e5-489c-89bf-1191fb6d112e" 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_22a0872d-8027-4bda-8280-02a5e5da4e88" xlink:to="loc_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage_dc594794-18e5-489c-89bf-1191fb6d112e" 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-20230331.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_bbb40fc0-8f0c-4a5a-ba55-6605a62d7513" 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_4bb2a994-8639-47aa-97ca-c05be747916e" 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_bbb40fc0-8f0c-4a5a-ba55-6605a62d7513" xlink:to="loc_us-gaap_PublicUtilityPropertyPlantAndEquipmentTable_4bb2a994-8639-47aa-97ca-c05be747916e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_14786745-f47a-4153-94dd-cb86007f4f92" 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_4bb2a994-8639-47aa-97ca-c05be747916e" xlink:to="loc_dei_LegalEntityAxis_14786745-f47a-4153-94dd-cb86007f4f92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_0ea45fb5-4e67-4ba7-901b-bf11b400794a" 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_14786745-f47a-4153-94dd-cb86007f4f92" xlink:to="loc_dei_EntityDomain_0ea45fb5-4e67-4ba7-901b-bf11b400794a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_05784275-305f-4415-9eb4-21d8deeb3974" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0ea45fb5-4e67-4ba7-901b-bf11b400794a" xlink:to="loc_exc_CommonwealthEdisonCoMember_05784275-305f-4415-9eb4-21d8deeb3974" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_73cbea6e-286a-41c0-8753-c7bdd98ff9d4" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0ea45fb5-4e67-4ba7-901b-bf11b400794a" xlink:to="loc_exc_PecoEnergyCoMember_73cbea6e-286a-41c0-8753-c7bdd98ff9d4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_bad1ff19-b4cf-4a3a-8151-ffdf3b940eed" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0ea45fb5-4e67-4ba7-901b-bf11b400794a" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_bad1ff19-b4cf-4a3a-8151-ffdf3b940eed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_4873a366-a51a-40f3-867b-8c34564f585e" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0ea45fb5-4e67-4ba7-901b-bf11b400794a" xlink:to="loc_exc_PepcoHoldingsLLCMember_4873a366-a51a-40f3-867b-8c34564f585e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_b6f6239a-3b30-45a4-8ef8-2c6551429355" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0ea45fb5-4e67-4ba7-901b-bf11b400794a" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_b6f6239a-3b30-45a4-8ef8-2c6551429355" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_5e65daf7-f119-4b3a-8cb3-70bf159e7c3e" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0ea45fb5-4e67-4ba7-901b-bf11b400794a" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_5e65daf7-f119-4b3a-8cb3-70bf159e7c3e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_e96cad3c-9672-4b9f-af9b-cabbe5c8f61e" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0ea45fb5-4e67-4ba7-901b-bf11b400794a" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_e96cad3c-9672-4b9f-af9b-cabbe5c8f61e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilityPropertyPlantAndEquipmentLineItems_257a746c-40ae-42ea-9c52-14c56cf815a7" 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_4bb2a994-8639-47aa-97ca-c05be747916e" xlink:to="loc_us-gaap_PublicUtilityPropertyPlantAndEquipmentLineItems_257a746c-40ae-42ea-9c52-14c56cf815a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesAmountOfAllowanceForEarningsOnEquityCapitalizedForRateMakingPurposes_8ca8c9a5-00e6-40b7-aabd-cf1b1be11839" 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_257a746c-40ae-42ea-9c52-14c56cf815a7" xlink:to="loc_us-gaap_PublicUtilitiesAmountOfAllowanceForEarningsOnEquityCapitalizedForRateMakingPurposes_8ca8c9a5-00e6-40b7-aabd-cf1b1be11839" 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-20230331.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_997b7d9f-2a68-4620-b9be-d3c3526fdc69" 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_2ece7b09-cc84-40af-9951-b1bcc467dafe" xlink:href="exc-20230331.xsd#exc_RegulatoryMattersAdditionalNarrativeInformationTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_997b7d9f-2a68-4620-b9be-d3c3526fdc69" xlink:to="loc_exc_RegulatoryMattersAdditionalNarrativeInformationTable_2ece7b09-cc84-40af-9951-b1bcc467dafe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_00420489-1dd6-48cc-bd41-d4d0e0538f0b" 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_2ece7b09-cc84-40af-9951-b1bcc467dafe" xlink:to="loc_dei_LegalEntityAxis_00420489-1dd6-48cc-bd41-d4d0e0538f0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_65cb450f-a50c-4c70-b6f9-acbb6233dfdd" 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_00420489-1dd6-48cc-bd41-d4d0e0538f0b" xlink:to="loc_dei_EntityDomain_65cb450f-a50c-4c70-b6f9-acbb6233dfdd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_eddc8b14-a109-40ac-8f64-ad43a70b3cf3" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_65cb450f-a50c-4c70-b6f9-acbb6233dfdd" xlink:to="loc_exc_CommonwealthEdisonCoMember_eddc8b14-a109-40ac-8f64-ad43a70b3cf3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_8fa05cbd-b0d4-4509-b563-8e869472239c" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_65cb450f-a50c-4c70-b6f9-acbb6233dfdd" xlink:to="loc_exc_PecoEnergyCoMember_8fa05cbd-b0d4-4509-b563-8e869472239c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_9ac8bcda-153f-4841-918f-b5ed4079b69f" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_65cb450f-a50c-4c70-b6f9-acbb6233dfdd" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_9ac8bcda-153f-4841-918f-b5ed4079b69f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_48f19862-1f0a-47f5-a568-14cb9b776f9a" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_65cb450f-a50c-4c70-b6f9-acbb6233dfdd" xlink:to="loc_exc_PepcoHoldingsLLCMember_48f19862-1f0a-47f5-a568-14cb9b776f9a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_60330b5c-2d3e-4d94-96ea-5e94eaf4b024" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_65cb450f-a50c-4c70-b6f9-acbb6233dfdd" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_60330b5c-2d3e-4d94-96ea-5e94eaf4b024" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_a9cc058c-c7e4-4c54-a1d5-56825a7fb481" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_65cb450f-a50c-4c70-b6f9-acbb6233dfdd" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_a9cc058c-c7e4-4c54-a1d5-56825a7fb481" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_35172896-a97d-4738-b6d1-a3b5f29484b7" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_65cb450f-a50c-4c70-b6f9-acbb6233dfdd" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_35172896-a97d-4738-b6d1-a3b5f29484b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetAxis_15e35db7-f4fe-4f96-990e-d8a26b4f449d" 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_2ece7b09-cc84-40af-9951-b1bcc467dafe" xlink:to="loc_us-gaap_RegulatoryAssetAxis_15e35db7-f4fe-4f96-990e-d8a26b4f449d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetDomain_78b65331-9771-4240-8101-872616996ab2" 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_15e35db7-f4fe-4f96-990e-d8a26b4f449d" xlink:to="loc_us-gaap_RegulatoryAssetDomain_78b65331-9771-4240-8101-872616996ab2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxChargesMember_bde48287-1fc3-4d0f-b59e-51c33d4c7fe3" 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_78b65331-9771-4240-8101-872616996ab2" xlink:to="loc_us-gaap_DeferredIncomeTaxChargesMember_bde48287-1fc3-4d0f-b59e-51c33d4c7fe3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ElectricEnergyAndNaturalGasCostsMember_cedda6dd-9594-4ebb-9143-23290933ef47" xlink:href="exc-20230331.xsd#exc_ElectricEnergyAndNaturalGasCostsMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_78b65331-9771-4240-8101-872616996ab2" xlink:to="loc_exc_ElectricEnergyAndNaturalGasCostsMember_cedda6dd-9594-4ebb-9143-23290933ef47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EnergyEfficiencyAndDemandResponseProgramsMember_cf8eae62-06aa-4079-9c37-c1e092feb451" xlink:href="exc-20230331.xsd#exc_EnergyEfficiencyAndDemandResponseProgramsMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_78b65331-9771-4240-8101-872616996ab2" xlink:to="loc_exc_EnergyEfficiencyAndDemandResponseProgramsMember_cf8eae62-06aa-4079-9c37-c1e092feb451" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CarbonMitigationCreditRiderMember_89534ef7-832a-45c3-bbde-5e87ca03df64" xlink:href="exc-20230331.xsd#exc_CarbonMitigationCreditRiderMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_78b65331-9771-4240-8101-872616996ab2" xlink:to="loc_exc_CarbonMitigationCreditRiderMember_89534ef7-832a-45c3-bbde-5e87ca03df64" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DCPLUGChargeMember_4385964e-16c3-4b44-87c5-3cb211667f99" xlink:href="exc-20230331.xsd#exc_DCPLUGChargeMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_78b65331-9771-4240-8101-872616996ab2" xlink:to="loc_exc_DCPLUGChargeMember_4385964e-16c3-4b44-87c5-3cb211667f99" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_UnderRecoveredRevenueDecouplingMember_c689a68c-67b4-4b42-a4fa-53aa7ed58f2e" xlink:href="exc-20230331.xsd#exc_UnderRecoveredRevenueDecouplingMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_78b65331-9771-4240-8101-872616996ab2" xlink:to="loc_exc_UnderRecoveredRevenueDecouplingMember_c689a68c-67b4-4b42-a4fa-53aa7ed58f2e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ElectricDistributionFormulaRateAnnualReconciliationsMember_14f56bc4-dce6-4179-96ad-40cffec85d46" xlink:href="exc-20230331.xsd#exc_ElectricDistributionFormulaRateAnnualReconciliationsMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_78b65331-9771-4240-8101-872616996ab2" xlink:to="loc_exc_ElectricDistributionFormulaRateAnnualReconciliationsMember_14f56bc4-dce6-4179-96ad-40cffec85d46" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EnergyEfficiencyCostsMember_44c38c64-a695-4cfc-9577-2dad0d140c24" xlink:href="exc-20230331.xsd#exc_EnergyEfficiencyCostsMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_78b65331-9771-4240-8101-872616996ab2" xlink:to="loc_exc_EnergyEfficiencyCostsMember_44c38c64-a695-4cfc-9577-2dad0d140c24" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalRestorationCostsMember_660e4164-3088-454b-a185-e6f8c328a410" 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_78b65331-9771-4240-8101-872616996ab2" xlink:to="loc_us-gaap_EnvironmentalRestorationCostsMember_660e4164-3088-454b-a185-e6f8c328a410" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RenewableEnergyProgramMember_458f58cd-2640-44e3-a024-c2ec444b8382" 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_78b65331-9771-4240-8101-872616996ab2" xlink:to="loc_us-gaap_RenewableEnergyProgramMember_458f58cd-2640-44e3-a024-c2ec444b8382" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ElectricTransmissionFormulaRateAnnualReconciliationsMember_7654e45f-fb88-46ff-b2dd-4c3ed4ec09aa" xlink:href="exc-20230331.xsd#exc_ElectricTransmissionFormulaRateAnnualReconciliationsMember"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAssetDomain_78b65331-9771-4240-8101-872616996ab2" xlink:to="loc_exc_ElectricTransmissionFormulaRateAnnualReconciliationsMember_7654e45f-fb88-46ff-b2dd-4c3ed4ec09aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherRegulatoryAssetsLiabilitiesMember_b89b42fb-e97b-4f8b-8e33-65f571705f8a" 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_78b65331-9771-4240-8101-872616996ab2" xlink:to="loc_us-gaap_OtherRegulatoryAssetsLiabilitiesMember_b89b42fb-e97b-4f8b-8e33-65f571705f8a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityAxis_05259094-339a-4d28-88f4-567cd5f42cde" 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_2ece7b09-cc84-40af-9951-b1bcc467dafe" xlink:to="loc_us-gaap_RegulatoryLiabilityAxis_05259094-339a-4d28-88f4-567cd5f42cde" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityDomain_49fc504a-d214-4bee-a12f-fca3abd2ba12" 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_05259094-339a-4d28-88f4-567cd5f42cde" xlink:to="loc_us-gaap_RegulatoryLiabilityDomain_49fc504a-d214-4bee-a12f-fca3abd2ba12" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_NuclearDecommissioningMember_c2c03bb3-eb93-46da-9420-6fbc49a37849" xlink:href="exc-20230331.xsd#exc_NuclearDecommissioningMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryLiabilityDomain_49fc504a-d214-4bee-a12f-fca3abd2ba12" xlink:to="loc_exc_NuclearDecommissioningMember_c2c03bb3-eb93-46da-9420-6fbc49a37849" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ElectricEnergyAndNaturalGasCostsMember_d20a82f9-4767-4107-a4c1-4ce18965d6da" xlink:href="exc-20230331.xsd#exc_ElectricEnergyAndNaturalGasCostsMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryLiabilityDomain_49fc504a-d214-4bee-a12f-fca3abd2ba12" xlink:to="loc_exc_ElectricEnergyAndNaturalGasCostsMember_d20a82f9-4767-4107-a4c1-4ce18965d6da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxChargesMember_014cfa06-1634-4133-8467-53d1f3086fb6" 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_49fc504a-d214-4bee-a12f-fca3abd2ba12" xlink:to="loc_us-gaap_DeferredIncomeTaxChargesMember_014cfa06-1634-4133-8467-53d1f3086fb6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherRegulatoryAssetsLiabilitiesMember_b35af9d8-3cbb-4037-99f1-4e7c202f43bd" 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_49fc504a-d214-4bee-a12f-fca3abd2ba12" xlink:to="loc_us-gaap_OtherRegulatoryAssetsLiabilitiesMember_b35af9d8-3cbb-4037-99f1-4e7c202f43bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ElectricTransmissionFormulaRateAnnualReconciliationsMember_8c2ca562-f045-42b9-a9a6-34818dec1509" xlink:href="exc-20230331.xsd#exc_ElectricTransmissionFormulaRateAnnualReconciliationsMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryLiabilityDomain_49fc504a-d214-4bee-a12f-fca3abd2ba12" xlink:to="loc_exc_ElectricTransmissionFormulaRateAnnualReconciliationsMember_8c2ca562-f045-42b9-a9a6-34818dec1509" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DistrictofColumbia2019ElectricDistributionBaseRateCaseMember_9a009c28-d52a-4329-adea-81c6acd7dd6d" xlink:href="exc-20230331.xsd#exc_DistrictofColumbia2019ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryLiabilityDomain_49fc504a-d214-4bee-a12f-fca3abd2ba12" xlink:to="loc_exc_DistrictofColumbia2019ElectricDistributionBaseRateCaseMember_9a009c28-d52a-4329-adea-81c6acd7dd6d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RenewablePortfolioStandardsCostsMember_3d85fc2f-10a6-4d69-abcd-45a2ea8afade" xlink:href="exc-20230331.xsd#exc_RenewablePortfolioStandardsCostsMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryLiabilityDomain_49fc504a-d214-4bee-a12f-fca3abd2ba12" xlink:to="loc_exc_RenewablePortfolioStandardsCostsMember_3d85fc2f-10a6-4d69-abcd-45a2ea8afade" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RemovalCostsMember_0c25ee17-6313-491c-a9f0-327e41edaa90" 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_49fc504a-d214-4bee-a12f-fca3abd2ba12" xlink:to="loc_us-gaap_RemovalCostsMember_0c25ee17-6313-491c-a9f0-327e41edaa90" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ElectricEnergyCostsMember_129215c3-aa19-4d1a-aa38-4846e0050048" xlink:href="exc-20230331.xsd#exc_ElectricEnergyCostsMember"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryLiabilityDomain_49fc504a-d214-4bee-a12f-fca3abd2ba12" xlink:to="loc_exc_ElectricEnergyCostsMember_129215c3-aa19-4d1a-aa38-4846e0050048" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OverRecoveredRevenueDecouplingMember_190c226b-1ced-4061-9527-8ee04f0639a3" xlink:href="exc-20230331.xsd#exc_OverRecoveredRevenueDecouplingMember"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryLiabilityDomain_49fc504a-d214-4bee-a12f-fca3abd2ba12" xlink:to="loc_exc_OverRecoveredRevenueDecouplingMember_190c226b-1ced-4061-9527-8ee04f0639a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByLiabilityClassAxis_aaf0187a-8d2e-4b9c-96a7-576e9e8a7b0f" 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_2ece7b09-cc84-40af-9951-b1bcc467dafe" xlink:to="loc_us-gaap_FairValueByLiabilityClassAxis_aaf0187a-8d2e-4b9c-96a7-576e9e8a7b0f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_ea27c825-0326-40a3-a736-10554ea891df" 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_aaf0187a-8d2e-4b9c-96a7-576e9e8a7b0f" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_ea27c825-0326-40a3-a736-10554ea891df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCurrentLiabilitiesMember_040a49d2-c46a-4d04-86d5-4cb2b336b1d7" 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_ea27c825-0326-40a3-a736-10554ea891df" xlink:to="loc_us-gaap_OtherCurrentLiabilitiesMember_040a49d2-c46a-4d04-86d5-4cb2b336b1d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncurrentLiabilitiesMember_354dfbc8-23d2-4333-b0f4-e5d2db47af8e" 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_ea27c825-0326-40a3-a736-10554ea891df" xlink:to="loc_us-gaap_OtherNoncurrentLiabilitiesMember_354dfbc8-23d2-4333-b0f4-e5d2db47af8e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAgencyAxis_a6e6a0bb-7e3c-4956-bc96-bcfe5b71e18d" 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_2ece7b09-cc84-40af-9951-b1bcc467dafe" xlink:to="loc_us-gaap_RegulatoryAgencyAxis_a6e6a0bb-7e3c-4956-bc96-bcfe5b71e18d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAgencyDomain_dd35155c-ca56-4f55-bfde-2bf09a346b83" 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_a6e6a0bb-7e3c-4956-bc96-bcfe5b71e18d" xlink:to="loc_us-gaap_RegulatoryAgencyDomain_dd35155c-ca56-4f55-bfde-2bf09a346b83" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalRestorationCostsMember_dc7b3c0d-0872-4db1-88ca-0899a56923da" 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_dd35155c-ca56-4f55-bfde-2bf09a346b83" xlink:to="loc_us-gaap_EnvironmentalRestorationCostsMember_dc7b3c0d-0872-4db1-88ca-0899a56923da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_bab4c00d-2c17-4a49-9c6e-f164842c9ebc" 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_2ece7b09-cc84-40af-9951-b1bcc467dafe" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_bab4c00d-2c17-4a49-9c6e-f164842c9ebc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_c5fe232b-64de-42de-89ea-c7105a24dec3" 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_bab4c00d-2c17-4a49-9c6e-f164842c9ebc" xlink:to="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_c5fe232b-64de-42de-89ea-c7105a24dec3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Illinois2021ElectricDistributionBaseRateCaseMember_24d1bae7-8b42-4f7c-90e3-f72888f3dd20" xlink:href="exc-20230331.xsd#exc_Illinois2021ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_c5fe232b-64de-42de-89ea-c7105a24dec3" xlink:to="loc_exc_Illinois2021ElectricDistributionBaseRateCaseMember_24d1bae7-8b42-4f7c-90e3-f72888f3dd20" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Illinois2023ElectricDistributionBaseRateCaseMember_1f6df311-2540-4a98-879c-64117c7fd399" xlink:href="exc-20230331.xsd#exc_Illinois2023ElectricDistributionBaseRateCaseMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_c5fe232b-64de-42de-89ea-c7105a24dec3" xlink:to="loc_exc_Illinois2023ElectricDistributionBaseRateCaseMember_1f6df311-2540-4a98-879c-64117c7fd399" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RegulatoryMattersAdditionalNarrativeInformationLineItems_89e64931-62bb-4c11-8d3e-5a970107b7e2" xlink:href="exc-20230331.xsd#exc_RegulatoryMattersAdditionalNarrativeInformationLineItems"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationTable_2ece7b09-cc84-40af-9951-b1bcc467dafe" xlink:to="loc_exc_RegulatoryMattersAdditionalNarrativeInformationLineItems_89e64931-62bb-4c11-8d3e-5a970107b7e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ContractTerminationLiability_89b15e56-1c7e-4014-ba83-b8dcdb4060fc" xlink:href="exc-20230331.xsd#exc_ContractTerminationLiability"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationLineItems_89e64931-62bb-4c11-8d3e-5a970107b7e2" xlink:to="loc_exc_ContractTerminationLiability_89b15e56-1c7e-4014-ba83-b8dcdb4060fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherRegulatoryAssets_80f16b77-5959-40b6-9b19-12a7c53ff50b" 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_89e64931-62bb-4c11-8d3e-5a970107b7e2" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherRegulatoryAssets_80f16b77-5959-40b6-9b19-12a7c53ff50b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInRegulatoryLiabilities_56fb980e-c7c9-4bdf-b291-90084dc70f39" 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_89e64931-62bb-4c11-8d3e-5a970107b7e2" xlink:to="loc_us-gaap_IncreaseDecreaseInRegulatoryLiabilities_56fb980e-c7c9-4bdf-b291-90084dc70f39" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssets_27426103-47f9-4edb-b28b-241b4eaba0c3" 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_89e64931-62bb-4c11-8d3e-5a970107b7e2" xlink:to="loc_us-gaap_RegulatoryAssets_27426103-47f9-4edb-b28b-241b4eaba0c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BeneficialElectrificationPlannedExpenditure_9a1bd4c4-085d-4589-b7a9-824652452e74" xlink:href="exc-20230331.xsd#exc_BeneficialElectrificationPlannedExpenditure"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationLineItems_89e64931-62bb-4c11-8d3e-5a970107b7e2" xlink:to="loc_exc_BeneficialElectrificationPlannedExpenditure_9a1bd4c4-085d-4589-b7a9-824652452e74" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnContractTermination_79003ffc-05ae-4cfe-8a18-8d190f5f2aa8" 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_89e64931-62bb-4c11-8d3e-5a970107b7e2" xlink:to="loc_us-gaap_GainLossOnContractTermination_79003ffc-05ae-4cfe-8a18-8d190f5f2aa8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_MaximumIncreaseOfRevenueRequirement_e2e72189-024b-474b-88b5-33f7d77587d2" xlink:href="exc-20230331.xsd#exc_MaximumIncreaseOfRevenueRequirement"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationLineItems_89e64931-62bb-4c11-8d3e-5a970107b7e2" xlink:to="loc_exc_MaximumIncreaseOfRevenueRequirement_e2e72189-024b-474b-88b5-33f7d77587d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BasispointsforComEdsRevenueRequirement_9b37eda6-8d4f-4d4b-8cac-ef6ce2536cea" xlink:href="exc-20230331.xsd#exc_BasispointsforComEdsRevenueRequirement"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationLineItems_89e64931-62bb-4c11-8d3e-5a970107b7e2" xlink:to="loc_exc_BasispointsforComEdsRevenueRequirement_9b37eda6-8d4f-4d4b-8cac-ef6ce2536cea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BasisPointsComEdSymmetricalPerformanceAdjustments_eacfafdb-a960-4c1d-a607-3aca3c7a079e" xlink:href="exc-20230331.xsd#exc_BasisPointsComEdSymmetricalPerformanceAdjustments"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationLineItems_89e64931-62bb-4c11-8d3e-5a970107b7e2" xlink:to="loc_exc_BasisPointsComEdSymmetricalPerformanceAdjustments_eacfafdb-a960-4c1d-a607-3aca3c7a079e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BeneficialElectrificationPlannedExpenditureAnnual_70d3ec0c-6d8a-4cf5-b27f-299b35776da8" xlink:href="exc-20230331.xsd#exc_BeneficialElectrificationPlannedExpenditureAnnual"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationLineItems_89e64931-62bb-4c11-8d3e-5a970107b7e2" xlink:to="loc_exc_BeneficialElectrificationPlannedExpenditureAnnual_70d3ec0c-6d8a-4cf5-b27f-299b35776da8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BeneficialElectrificationApprovedAnnualSpending_42233482-af72-4ee7-a84a-39ae3ef482d3" xlink:href="exc-20230331.xsd#exc_BeneficialElectrificationApprovedAnnualSpending"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_RegulatoryMattersAdditionalNarrativeInformationLineItems_89e64931-62bb-4c11-8d3e-5a970107b7e2" xlink:to="loc_exc_BeneficialElectrificationApprovedAnnualSpending_42233482-af72-4ee7-a84a-39ae3ef482d3" 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-20230331.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_0963e277-8036-4be1-9cfa-d3563c0c90ad" 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_9655f647-f378-4d65-9160-ec4309a2c51d" xlink:href="exc-20230331.xsd#exc_ChangeinContractwithCustomerAssetandLiabilityTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_0963e277-8036-4be1-9cfa-d3563c0c90ad" xlink:to="loc_exc_ChangeinContractwithCustomerAssetandLiabilityTable_9655f647-f378-4d65-9160-ec4309a2c51d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_9e5f015e-a16d-4184-98a4-933f287512de" 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_9655f647-f378-4d65-9160-ec4309a2c51d" xlink:to="loc_dei_LegalEntityAxis_9e5f015e-a16d-4184-98a4-933f287512de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_707a760a-dadc-4dad-bbfa-bccb4ea2f251" 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_9e5f015e-a16d-4184-98a4-933f287512de" xlink:to="loc_dei_EntityDomain_707a760a-dadc-4dad-bbfa-bccb4ea2f251" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_5dc1cf66-f3b6-4f6b-bff4-98381ac5262f" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_707a760a-dadc-4dad-bbfa-bccb4ea2f251" xlink:to="loc_exc_PepcoHoldingsLLCMember_5dc1cf66-f3b6-4f6b-bff4-98381ac5262f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_a0c331cb-1c08-407a-9ba0-119a399aeee1" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_707a760a-dadc-4dad-bbfa-bccb4ea2f251" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_a0c331cb-1c08-407a-9ba0-119a399aeee1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_584fcc46-d45a-4fdb-990b-08f02095adc9" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_707a760a-dadc-4dad-bbfa-bccb4ea2f251" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_584fcc46-d45a-4fdb-990b-08f02095adc9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_dbed5e67-7d26-4470-9643-c1aea6a7a77b" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_707a760a-dadc-4dad-bbfa-bccb4ea2f251" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_dbed5e67-7d26-4470-9643-c1aea6a7a77b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ChangeInContractWithCustomerAssetAndLiabilityLineItems_b403083b-4c68-4e7a-b00a-a43eaf2ff080" xlink:href="exc-20230331.xsd#exc_ChangeInContractWithCustomerAssetAndLiabilityLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_ChangeinContractwithCustomerAssetandLiabilityTable_9655f647-f378-4d65-9160-ec4309a2c51d" xlink:to="loc_exc_ChangeInContractWithCustomerAssetAndLiabilityLineItems_b403083b-4c68-4e7a-b00a-a43eaf2ff080" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MovementInDeferredRevenueRollForward_8528c228-5dbc-43f1-b8a2-a0f621cf1105" 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_b403083b-4c68-4e7a-b00a-a43eaf2ff080" xlink:to="loc_us-gaap_MovementInDeferredRevenueRollForward_8528c228-5dbc-43f1-b8a2-a0f621cf1105" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_291b2fa6-f40b-47f1-97b3-2c154eefe77d" 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_8528c228-5dbc-43f1-b8a2-a0f621cf1105" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_291b2fa6-f40b-47f1-97b3-2c154eefe77d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_6ab5171a-1153-4967-a1f6-3ed011ec4ee0" 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_8528c228-5dbc-43f1-b8a2-a0f621cf1105" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_6ab5171a-1153-4967-a1f6-3ed011ec4ee0" 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-20230331.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_da5fdbc6-eda3-4ef9-ae44-721f6c318a31" 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_f0d6ec25-df4e-482e-9015-82be4f52308d" 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_da5fdbc6-eda3-4ef9-ae44-721f6c318a31" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_f0d6ec25-df4e-482e-9015-82be4f52308d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_d3a9ca47-b955-4762-a1e1-3150edc9157f" 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_f0d6ec25-df4e-482e-9015-82be4f52308d" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_d3a9ca47-b955-4762-a1e1-3150edc9157f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_5519def8-29fa-422b-be10-298a9733a169" 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_f0d6ec25-df4e-482e-9015-82be4f52308d" xlink:to="loc_dei_LegalEntityAxis_5519def8-29fa-422b-be10-298a9733a169" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_1fb21d50-c356-45ad-9e2a-f6f0c3f96e36" 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_5519def8-29fa-422b-be10-298a9733a169" xlink:to="loc_dei_EntityDomain_1fb21d50-c356-45ad-9e2a-f6f0c3f96e36" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_658ca00f-d7f2-469f-9164-7cc4ee1924a8" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1fb21d50-c356-45ad-9e2a-f6f0c3f96e36" xlink:to="loc_exc_PepcoHoldingsLLCMember_658ca00f-d7f2-469f-9164-7cc4ee1924a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_bc5ebcd6-e66e-44ba-bb88-6cf6ae62bfb2" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1fb21d50-c356-45ad-9e2a-f6f0c3f96e36" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_bc5ebcd6-e66e-44ba-bb88-6cf6ae62bfb2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_0ad38255-12f2-4d16-995c-eb181c06f078" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1fb21d50-c356-45ad-9e2a-f6f0c3f96e36" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_0ad38255-12f2-4d16-995c-eb181c06f078" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_775165c4-ba9c-444c-886b-2ef72dd681c8" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1fb21d50-c356-45ad-9e2a-f6f0c3f96e36" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_775165c4-ba9c-444c-886b-2ef72dd681c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_d9e2d6af-8b4e-4e5e-8fa8-28f7d4454639" 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_f0d6ec25-df4e-482e-9015-82be4f52308d" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_d9e2d6af-8b4e-4e5e-8fa8-28f7d4454639" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_428cd39a-9e26-4239-9a6e-49306147fa99" 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_d9e2d6af-8b4e-4e5e-8fa8-28f7d4454639" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_428cd39a-9e26-4239-9a6e-49306147fa99" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_586b1dfa-29b8-4f56-8f01-1e5ebc2098cc" 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_d9e2d6af-8b4e-4e5e-8fa8-28f7d4454639" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_586b1dfa-29b8-4f56-8f01-1e5ebc2098cc" 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-20230331.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-20230331.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_b5d2a5d2-bd6c-4a04-b519-4af902227bf3" 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_2826bc43-ce78-4d44-a01a-4656e1aed1a3" 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_b5d2a5d2-bd6c-4a04-b519-4af902227bf3" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_2826bc43-ce78-4d44-a01a-4656e1aed1a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_acbe2c9e-c3f8-486c-825c-55c27f872f1b" 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_2826bc43-ce78-4d44-a01a-4656e1aed1a3" xlink:to="loc_dei_LegalEntityAxis_acbe2c9e-c3f8-486c-825c-55c27f872f1b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_75300641-88a1-4fd8-87f5-328317aa98f4" 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_acbe2c9e-c3f8-486c-825c-55c27f872f1b" xlink:to="loc_dei_EntityDomain_75300641-88a1-4fd8-87f5-328317aa98f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_c8e979af-1f52-415f-b7ec-a269fa0ede9f" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_75300641-88a1-4fd8-87f5-328317aa98f4" xlink:to="loc_exc_PepcoHoldingsLLCMember_c8e979af-1f52-415f-b7ec-a269fa0ede9f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_15ad2810-b4a4-4f46-9ee8-1484124b58bb" 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_2826bc43-ce78-4d44-a01a-4656e1aed1a3" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_15ad2810-b4a4-4f46-9ee8-1484124b58bb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_dad41cae-da47-4baa-824d-f25ac82be851" 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_15ad2810-b4a4-4f46-9ee8-1484124b58bb" xlink:to="loc_us-gaap_NumberOfReportableSegments_dad41cae-da47-4baa-824d-f25ac82be851" 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-20230331.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_3d9285f4-c46a-43aa-88ff-d5894eef3422" 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_f6b27afb-9fde-4e5c-ba60-e4f1b5e8818a" 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_3d9285f4-c46a-43aa-88ff-d5894eef3422" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_f6b27afb-9fde-4e5c-ba60-e4f1b5e8818a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_bb81f27d-ee2f-4360-8af0-ec122c1ceaf3" 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_f6b27afb-9fde-4e5c-ba60-e4f1b5e8818a" xlink:to="loc_srt_ProductOrServiceAxis_bb81f27d-ee2f-4360-8af0-ec122c1ceaf3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_babf93a8-9a73-4614-a4ca-ab2fa0a1d5a6" 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_bb81f27d-ee2f-4360-8af0-ec122c1ceaf3" xlink:to="loc_srt_ProductsAndServicesDomain_babf93a8-9a73-4614-a4ca-ab2fa0a1d5a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ElectricityGenerationMember_0f79800e-6102-4ba9-be1e-5ec870c321a4" 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_babf93a8-9a73-4614-a4ca-ab2fa0a1d5a6" xlink:to="loc_us-gaap_ElectricityGenerationMember_0f79800e-6102-4ba9-be1e-5ec870c321a4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OilAndGasPurchasedMember_568c8843-0c05-43a7-9672-8f0a4c710e19" 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_babf93a8-9a73-4614-a4ca-ab2fa0a1d5a6" xlink:to="loc_us-gaap_OilAndGasPurchasedMember_568c8843-0c05-43a7-9672-8f0a4c710e19" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductAndServiceOtherMember_065c7ebc-1a90-4830-b4d7-9a21d06383e4" 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_babf93a8-9a73-4614-a4ca-ab2fa0a1d5a6" xlink:to="loc_us-gaap_ProductAndServiceOtherMember_065c7ebc-1a90-4830-b4d7-9a21d06383e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ElectricityUsRegulatedMember_bba28b5c-59b6-4fd7-910e-675b354a7fb0" 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_babf93a8-9a73-4614-a4ca-ab2fa0a1d5a6" xlink:to="loc_us-gaap_ElectricityUsRegulatedMember_bba28b5c-59b6-4fd7-910e-675b354a7fb0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NaturalGasUsRegulatedMember_398a335a-ef77-4567-bcc3-6fff0aa1a7f5" 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_babf93a8-9a73-4614-a4ca-ab2fa0a1d5a6" xlink:to="loc_us-gaap_NaturalGasUsRegulatedMember_398a335a-ef77-4567-bcc3-6fff0aa1a7f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServiceOtherMember_b1e44fef-c924-4806-bfa2-ed1147994325" 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_babf93a8-9a73-4614-a4ca-ab2fa0a1d5a6" xlink:to="loc_us-gaap_ServiceOtherMember_b1e44fef-c924-4806-bfa2-ed1147994325" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_29b7d018-2600-48fa-aaee-076106e3a303" 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_f6b27afb-9fde-4e5c-ba60-e4f1b5e8818a" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_29b7d018-2600-48fa-aaee-076106e3a303" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_148c5f65-942e-402f-9eda-e177dc50cb14" 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_29b7d018-2600-48fa-aaee-076106e3a303" xlink:to="loc_us-gaap_SegmentDomain_148c5f65-942e-402f-9eda-e177dc50cb14" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_58abea83-f0ee-492b-bf0f-b98bc8b190bf" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_148c5f65-942e-402f-9eda-e177dc50cb14" xlink:to="loc_exc_CommonwealthEdisonCoMember_58abea83-f0ee-492b-bf0f-b98bc8b190bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_2b62d5ac-50d5-49b2-9200-eaf2909e66a6" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_148c5f65-942e-402f-9eda-e177dc50cb14" xlink:to="loc_exc_PecoEnergyCoMember_2b62d5ac-50d5-49b2-9200-eaf2909e66a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_13081ad6-113d-4034-b504-5dbed1b74463" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_148c5f65-942e-402f-9eda-e177dc50cb14" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_13081ad6-113d-4034-b504-5dbed1b74463" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_5baf52b6-5d56-4fcf-b368-b4e0d9cf5533" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_148c5f65-942e-402f-9eda-e177dc50cb14" xlink:to="loc_exc_PepcoHoldingsLLCMember_5baf52b6-5d56-4fcf-b368-b4e0d9cf5533" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_8b16b147-3a63-4aec-a58d-d884e5cd8a19" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_148c5f65-942e-402f-9eda-e177dc50cb14" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_8b16b147-3a63-4aec-a58d-d884e5cd8a19" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_1de4f9f1-4d7e-4f71-b50c-b35fee00b212" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_148c5f65-942e-402f-9eda-e177dc50cb14" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_1de4f9f1-4d7e-4f71-b50c-b35fee00b212" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_ea3271fd-a035-40af-9f37-bf2622c9477a" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_148c5f65-942e-402f-9eda-e177dc50cb14" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_ea3271fd-a035-40af-9f37-bf2622c9477a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateAndOtherMember_40c6f0c7-8778-4ca0-b389-2a6ebecb56bb" 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_148c5f65-942e-402f-9eda-e177dc50cb14" xlink:to="loc_us-gaap_CorporateAndOtherMember_40c6f0c7-8778-4ca0-b389-2a6ebecb56bb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_35ea9217-f911-4322-874d-cc90ced179e6" 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_f6b27afb-9fde-4e5c-ba60-e4f1b5e8818a" xlink:to="loc_srt_ConsolidationItemsAxis_35ea9217-f911-4322-874d-cc90ced179e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_c9d0962c-28f4-42ab-b1eb-f885ab6a7ac2" 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_35ea9217-f911-4322-874d-cc90ced179e6" xlink:to="loc_srt_ConsolidationItemsDomain_c9d0962c-28f4-42ab-b1eb-f885ab6a7ac2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_f70f8cdd-4703-4a64-bd49-5771f1c6f8f4" 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_c9d0962c-28f4-42ab-b1eb-f885ab6a7ac2" xlink:to="loc_us-gaap_OperatingSegmentsMember_f70f8cdd-4703-4a64-bd49-5771f1c6f8f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_87d6535b-28b5-4add-8f18-0f9371f47550" 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_c9d0962c-28f4-42ab-b1eb-f885ab6a7ac2" xlink:to="loc_us-gaap_CorporateNonSegmentMember_87d6535b-28b5-4add-8f18-0f9371f47550" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntersegmentEliminationMember_f9088395-7ae4-445d-99b2-6f8127e96790" 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_c9d0962c-28f4-42ab-b1eb-f885ab6a7ac2" xlink:to="loc_us-gaap_IntersegmentEliminationMember_f9088395-7ae4-445d-99b2-6f8127e96790" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_b2ba41db-f3a8-4be0-94da-b9060537e05c" 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_f6b27afb-9fde-4e5c-ba60-e4f1b5e8818a" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_b2ba41db-f3a8-4be0-94da-b9060537e05c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_867c2964-25b9-4c53-a9a4-cfbe420abbd2" 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_b2ba41db-f3a8-4be0-94da-b9060537e05c" xlink:to="loc_us-gaap_RelatedPartyDomain_867c2964-25b9-4c53-a9a4-cfbe420abbd2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoAffiliateMember_33958dfe-9b5c-4654-bc32-ee30e8a72eea" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoAffiliateMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_867c2964-25b9-4c53-a9a4-cfbe420abbd2" xlink:to="loc_exc_CommonwealthEdisonCoAffiliateMember_33958dfe-9b5c-4654-bc32-ee30e8a72eea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoAffiliateMember_4020e767-0d9e-434b-8609-ce22acc9f899" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoAffiliateMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_867c2964-25b9-4c53-a9a4-cfbe420abbd2" xlink:to="loc_exc_PecoEnergyCoAffiliateMember_4020e767-0d9e-434b-8609-ce22acc9f899" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyAffiliateMember_06a4f312-b1c2-4b15-8c26-fa09ca5e7dac" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyAffiliateMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_867c2964-25b9-4c53-a9a4-cfbe420abbd2" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyAffiliateMember_06a4f312-b1c2-4b15-8c26-fa09ca5e7dac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyAffiliateMember_364b6dec-7cd1-4a60-bacc-76c89134f535" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyAffiliateMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_867c2964-25b9-4c53-a9a4-cfbe420abbd2" xlink:to="loc_exc_PotomacElectricPowerCompanyAffiliateMember_364b6dec-7cd1-4a60-bacc-76c89134f535" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyAffiliateMember_faef2386-bbc1-49fa-bf9e-ca7e285762e7" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyAffiliateMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_867c2964-25b9-4c53-a9a4-cfbe420abbd2" xlink:to="loc_exc_DelmarvaPowerandLightCompanyAffiliateMember_faef2386-bbc1-49fa-bf9e-ca7e285762e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyAffiliateMember_36bc7e67-1dd8-4501-89cf-963454dd2164" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyAffiliateMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_867c2964-25b9-4c53-a9a4-cfbe420abbd2" xlink:to="loc_exc_AtlanticCityElectricCompanyAffiliateMember_36bc7e67-1dd8-4501-89cf-963454dd2164" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_9d4c03d6-fde8-4e0e-8df9-c39a9fb76c7b" 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_f6b27afb-9fde-4e5c-ba60-e4f1b5e8818a" xlink:to="loc_dei_LegalEntityAxis_9d4c03d6-fde8-4e0e-8df9-c39a9fb76c7b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_e42553d1-3d89-4ad5-9789-5bd4a752166c" 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_9d4c03d6-fde8-4e0e-8df9-c39a9fb76c7b" xlink:to="loc_dei_EntityDomain_e42553d1-3d89-4ad5-9789-5bd4a752166c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_127d0949-9b9c-414f-aed5-06918a8960bc" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e42553d1-3d89-4ad5-9789-5bd4a752166c" xlink:to="loc_exc_PepcoHoldingsLLCMember_127d0949-9b9c-414f-aed5-06918a8960bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_45e710ea-606a-4fd1-ae72-81b7eaeb3401" 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_f6b27afb-9fde-4e5c-ba60-e4f1b5e8818a" xlink:to="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_45e710ea-606a-4fd1-ae72-81b7eaeb3401" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentOperatingActivitiesDomain_2c7a1e3c-52af-44c1-8c8a-8d50a56e6c34" 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_45e710ea-606a-4fd1-ae72-81b7eaeb3401" xlink:to="loc_us-gaap_SegmentOperatingActivitiesDomain_2c7a1e3c-52af-44c1-8c8a-8d50a56e6c34" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentContinuingOperationsMember_488bf293-ba63-4927-ae28-b4f868e6a030" 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_2c7a1e3c-52af-44c1-8c8a-8d50a56e6c34" xlink:to="loc_us-gaap_SegmentContinuingOperationsMember_488bf293-ba63-4927-ae28-b4f868e6a030" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_0b66c5c5-f795-42de-b78c-a8c9c4efd983" 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_f6b27afb-9fde-4e5c-ba60-e4f1b5e8818a" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_0b66c5c5-f795-42de-b78c-a8c9c4efd983" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_b6c7d209-ba1b-4c4a-97b9-af27d988ec17" 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_0b66c5c5-f795-42de-b78c-a8c9c4efd983" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_b6c7d209-ba1b-4c4a-97b9-af27d988ec17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncome_fd1b4db6-3178-4a1c-8af1-c78fcdc6514d" 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_0b66c5c5-f795-42de-b78c-a8c9c4efd983" xlink:to="loc_us-gaap_OtherOperatingIncome_fd1b4db6-3178-4a1c-8af1-c78fcdc6514d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_e13ed2a8-85e6-49ef-bef3-7bfd4063abfe" 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_0b66c5c5-f795-42de-b78c-a8c9c4efd983" xlink:to="loc_us-gaap_Revenues_e13ed2a8-85e6-49ef-bef3-7bfd4063abfe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromRelatedParties_4b692cd2-5fbc-40de-b5a6-13b6f74d2a06" 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_0b66c5c5-f795-42de-b78c-a8c9c4efd983" xlink:to="loc_us-gaap_RevenueFromRelatedParties_4b692cd2-5fbc-40de-b5a6-13b6f74d2a06" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_9ee7799e-c5c3-452d-a920-70463607d316" 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_0b66c5c5-f795-42de-b78c-a8c9c4efd983" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_9ee7799e-c5c3-452d-a920-70463607d316" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_c94aa023-c3bc-4066-a83f-c0e2f485fb2a" 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_0b66c5c5-f795-42de-b78c-a8c9c4efd983" xlink:to="loc_us-gaap_OperatingExpenses_c94aa023-c3bc-4066-a83f-c0e2f485fb2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRevenueExpenseNet_e3be0c3c-423b-45bb-bce1-116bdff9da4a" 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_0b66c5c5-f795-42de-b78c-a8c9c4efd983" xlink:to="loc_us-gaap_InterestRevenueExpenseNet_e3be0c3c-423b-45bb-bce1-116bdff9da4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_fdae17d3-635e-4a45-91f0-ff4805786d76" 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_0b66c5c5-f795-42de-b78c-a8c9c4efd983" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_fdae17d3-635e-4a45-91f0-ff4805786d76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_4ceb2cc0-1260-4a82-a7c3-11de9d173b12" 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_0b66c5c5-f795-42de-b78c-a8c9c4efd983" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_4ceb2cc0-1260-4a82-a7c3-11de9d173b12" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_74d3e4bc-1541-4b17-b797-b82270e5d3e9" 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_0b66c5c5-f795-42de-b78c-a8c9c4efd983" xlink:to="loc_us-gaap_ProfitLoss_74d3e4bc-1541-4b17-b797-b82270e5d3e9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_983c7fd7-18e1-4e49-bd6c-b331b3071896" 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_0b66c5c5-f795-42de-b78c-a8c9c4efd983" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_983c7fd7-18e1-4e49-bd6c-b331b3071896" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_d14c2732-458b-4bd0-bc16-0079ac0d42b8" 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_0b66c5c5-f795-42de-b78c-a8c9c4efd983" xlink:to="loc_us-gaap_Assets_d14c2732-458b-4bd0-bc16-0079ac0d42b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_515346f4-fc4c-4fd9-aed1-ced677a47683" 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_0b66c5c5-f795-42de-b78c-a8c9c4efd983" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_515346f4-fc4c-4fd9-aed1-ced677a47683" 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-20230331.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_3cc8a75b-6ed6-441e-aa7e-1aa85c4e204e" 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_4a4fef98-9e77-4937-ac68-7319a8c0414b" 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_3cc8a75b-6ed6-441e-aa7e-1aa85c4e204e" xlink:to="loc_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_4a4fef98-9e77-4937-ac68-7319a8c0414b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_08896d99-3e7d-4916-82a9-3442aca797aa" 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_4a4fef98-9e77-4937-ac68-7319a8c0414b" xlink:to="loc_srt_ProductOrServiceAxis_08896d99-3e7d-4916-82a9-3442aca797aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_ceb884a1-a2f3-48ad-a68e-75a5d915f7d5" 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_08896d99-3e7d-4916-82a9-3442aca797aa" xlink:to="loc_srt_ProductsAndServicesDomain_ceb884a1-a2f3-48ad-a68e-75a5d915f7d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ElectricityUsRegulatedMember_8b718895-5792-4bd3-aa05-a984673e5925" 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_ceb884a1-a2f3-48ad-a68e-75a5d915f7d5" xlink:to="loc_us-gaap_ElectricityUsRegulatedMember_8b718895-5792-4bd3-aa05-a984673e5925" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NaturalGasUsRegulatedMember_7ff4cb3b-e8ef-4de5-baff-040e62b91810" 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_ceb884a1-a2f3-48ad-a68e-75a5d915f7d5" xlink:to="loc_us-gaap_NaturalGasUsRegulatedMember_7ff4cb3b-e8ef-4de5-baff-040e62b91810" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AlternativeRevenueProgramsMember_2855a8dc-3dd8-45f0-a72c-b5dc001e8478" xlink:href="exc-20230331.xsd#exc_AlternativeRevenueProgramsMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_ceb884a1-a2f3-48ad-a68e-75a5d915f7d5" xlink:to="loc_exc_AlternativeRevenueProgramsMember_2855a8dc-3dd8-45f0-a72c-b5dc001e8478" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_6589b9c7-fad1-43c4-9d27-dc3ab4f20a22" 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_4a4fef98-9e77-4937-ac68-7319a8c0414b" xlink:to="loc_dei_LegalEntityAxis_6589b9c7-fad1-43c4-9d27-dc3ab4f20a22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_db489375-87b4-4abe-8b7a-b7666b52b031" 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_6589b9c7-fad1-43c4-9d27-dc3ab4f20a22" xlink:to="loc_dei_EntityDomain_db489375-87b4-4abe-8b7a-b7666b52b031" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_6e4ef9dd-c323-43b2-896a-e7f57cacfc4f" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_db489375-87b4-4abe-8b7a-b7666b52b031" xlink:to="loc_exc_CommonwealthEdisonCoMember_6e4ef9dd-c323-43b2-896a-e7f57cacfc4f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_1ac25b3f-61d2-44aa-aa69-288f274aca57" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_db489375-87b4-4abe-8b7a-b7666b52b031" xlink:to="loc_exc_PecoEnergyCoMember_1ac25b3f-61d2-44aa-aa69-288f274aca57" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_a309aba7-0c5a-459d-8f3a-908df449ca9c" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_db489375-87b4-4abe-8b7a-b7666b52b031" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_a309aba7-0c5a-459d-8f3a-908df449ca9c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_8607a0f0-8232-4c68-9bf2-2b59ac0a6fe0" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_db489375-87b4-4abe-8b7a-b7666b52b031" xlink:to="loc_exc_PepcoHoldingsLLCMember_8607a0f0-8232-4c68-9bf2-2b59ac0a6fe0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_8b93592c-0b3e-4ff2-b15e-15a7cf94cd8f" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_db489375-87b4-4abe-8b7a-b7666b52b031" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_8b93592c-0b3e-4ff2-b15e-15a7cf94cd8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_7f7a3905-f1d9-49f2-9759-0890a9b36e49" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_db489375-87b4-4abe-8b7a-b7666b52b031" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_7f7a3905-f1d9-49f2-9759-0890a9b36e49" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_a4602249-4a87-4d95-b330-562f27303d00" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_db489375-87b4-4abe-8b7a-b7666b52b031" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_a4602249-4a87-4d95-b330-562f27303d00" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCoAffiliateMember_226d6b75-c83d-4b0f-9a0f-8a1044880bae" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCoAffiliateMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_db489375-87b4-4abe-8b7a-b7666b52b031" xlink:to="loc_exc_AtlanticCityElectricCoAffiliateMember_226d6b75-c83d-4b0f-9a0f-8a1044880bae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_1b267cfa-626f-42fd-b50d-90650c834684" 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_4a4fef98-9e77-4937-ac68-7319a8c0414b" xlink:to="loc_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_1b267cfa-626f-42fd-b50d-90650c834684" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedAndUnregulatedOperationDomain_13b16a6c-8e74-4622-9fde-8b225548df89" 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_1b267cfa-626f-42fd-b50d-90650c834684" xlink:to="loc_us-gaap_RegulatedAndUnregulatedOperationDomain_13b16a6c-8e74-4622-9fde-8b225548df89" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedOperationMember_00f46806-26e4-4cc7-ad08-5b7e1f90b535" 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_13b16a6c-8e74-4622-9fde-8b225548df89" xlink:to="loc_us-gaap_RegulatedOperationMember_00f46806-26e4-4cc7-ad08-5b7e1f90b535" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherRegulatedRevenueMember_2f37e2c1-942f-438e-8845-5b71a4d1088e" xlink:href="exc-20230331.xsd#exc_OtherRegulatedRevenueMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedAndUnregulatedOperationDomain_13b16a6c-8e74-4622-9fde-8b225548df89" xlink:to="loc_exc_OtherRegulatedRevenueMember_2f37e2c1-942f-438e-8845-5b71a4d1088e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_dd32ee9c-1352-4896-91f0-42ece597521d" 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_4a4fef98-9e77-4937-ac68-7319a8c0414b" xlink:to="loc_srt_MajorCustomersAxis_dd32ee9c-1352-4896-91f0-42ece597521d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_da57077e-0f33-401f-8053-c274931549d0" 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_dd32ee9c-1352-4896-91f0-42ece597521d" xlink:to="loc_srt_NameOfMajorCustomerDomain_da57077e-0f33-401f-8053-c274931549d0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ResidentialMember_181638b2-242e-4e5b-b4ab-6a1794d08ac9" xlink:href="exc-20230331.xsd#exc_ResidentialMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_da57077e-0f33-401f-8053-c274931549d0" xlink:to="loc_exc_ResidentialMember_181638b2-242e-4e5b-b4ab-6a1794d08ac9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SmallCommercialIndustrialMember_084b002c-881b-4f4e-a0a2-2e187828a3a8" xlink:href="exc-20230331.xsd#exc_SmallCommercialIndustrialMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_da57077e-0f33-401f-8053-c274931549d0" xlink:to="loc_exc_SmallCommercialIndustrialMember_084b002c-881b-4f4e-a0a2-2e187828a3a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_LargeCommercialIndustrialMember_08668eea-7e62-4308-b1f5-9d9ab659dc2e" xlink:href="exc-20230331.xsd#exc_LargeCommercialIndustrialMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_da57077e-0f33-401f-8053-c274931549d0" xlink:to="loc_exc_LargeCommercialIndustrialMember_08668eea-7e62-4308-b1f5-9d9ab659dc2e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PublicAuthoritiesElectricRailroadsMember_a3c123ab-c97b-48ca-b7bc-4c61a0f926fd" xlink:href="exc-20230331.xsd#exc_PublicAuthoritiesElectricRailroadsMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_da57077e-0f33-401f-8053-c274931549d0" xlink:to="loc_exc_PublicAuthoritiesElectricRailroadsMember_a3c123ab-c97b-48ca-b7bc-4c61a0f926fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_TransportationMember_fde5dd0e-a7b2-4643-a5f5-54aac96dab5a" xlink:href="exc-20230331.xsd#exc_TransportationMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_da57077e-0f33-401f-8053-c274931549d0" xlink:to="loc_exc_TransportationMember_fde5dd0e-a7b2-4643-a5f5-54aac96dab5a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherMember_3f8e81a5-5389-4283-951f-93d16cf530c4" xlink:href="exc-20230331.xsd#exc_OtherMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_da57077e-0f33-401f-8053-c274931549d0" xlink:to="loc_exc_OtherMember_3f8e81a5-5389-4283-951f-93d16cf530c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_97db8965-2141-464f-83e7-2b351305480f" 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_4a4fef98-9e77-4937-ac68-7319a8c0414b" xlink:to="loc_srt_ConsolidationItemsAxis_97db8965-2141-464f-83e7-2b351305480f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_f7e545ec-04c7-42c7-8e56-bed3bd89df4c" 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_97db8965-2141-464f-83e7-2b351305480f" xlink:to="loc_srt_ConsolidationItemsDomain_f7e545ec-04c7-42c7-8e56-bed3bd89df4c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_3933101f-03f4-40ab-ad31-b356e2c7cac1" 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_f7e545ec-04c7-42c7-8e56-bed3bd89df4c" xlink:to="loc_us-gaap_OperatingSegmentsMember_3933101f-03f4-40ab-ad31-b356e2c7cac1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EntityWideRevenueMajorCustomerLineItems_295d46d2-8054-4d31-85e4-e1d3b58bb9a0" 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_4a4fef98-9e77-4937-ac68-7319a8c0414b" xlink:to="loc_us-gaap_EntityWideRevenueMajorCustomerLineItems_295d46d2-8054-4d31-85e4-e1d3b58bb9a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_68bebbe8-e36a-4456-94b5-b4d1dad0d01b" 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_295d46d2-8054-4d31-85e4-e1d3b58bb9a0" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_68bebbe8-e36a-4456-94b5-b4d1dad0d01b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_0b7a1699-52b5-4209-926b-aeb5c54c52a7" 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_295d46d2-8054-4d31-85e4-e1d3b58bb9a0" xlink:to="loc_us-gaap_Revenues_0b7a1699-52b5-4209-926b-aeb5c54c52a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromRelatedParties_76152ad1-10af-4c67-b873-1d65441ce0ec" 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_295d46d2-8054-4d31-85e4-e1d3b58bb9a0" xlink:to="loc_us-gaap_RevenueFromRelatedParties_76152ad1-10af-4c67-b873-1d65441ce0ec" 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-20230331.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_11a39def-5753-4e48-95e2-ffa4fd2b16dc" 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_0727c76d-ace9-4146-8cb0-59d29cfe77f7" 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_11a39def-5753-4e48-95e2-ffa4fd2b16dc" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_0727c76d-ace9-4146-8cb0-59d29cfe77f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_37b2bf1a-6ef1-4a85-9e2e-deae8e11cfc8" 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_0727c76d-ace9-4146-8cb0-59d29cfe77f7" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_37b2bf1a-6ef1-4a85-9e2e-deae8e11cfc8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_b3f619ad-d4d9-4e31-a12d-1042353ef5ca" 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_37b2bf1a-6ef1-4a85-9e2e-deae8e11cfc8" xlink:to="loc_us-gaap_ReceivableTypeDomain_b3f619ad-d4d9-4e31-a12d-1042353ef5ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeAccountsReceivableMember_ccb7a927-1c1f-4d61-ba2f-a9f5af8a237d" 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_b3f619ad-d4d9-4e31-a12d-1042353ef5ca" xlink:to="loc_us-gaap_TradeAccountsReceivableMember_ccb7a927-1c1f-4d61-ba2f-a9f5af8a237d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherReceivablesMember_bef495c8-8346-45c2-a2ad-6a3d2f3897a5" xlink:href="exc-20230331.xsd#exc_OtherReceivablesMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivableTypeDomain_b3f619ad-d4d9-4e31-a12d-1042353ef5ca" xlink:to="loc_exc_OtherReceivablesMember_bef495c8-8346-45c2-a2ad-6a3d2f3897a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_abb4b496-ba3c-47ee-93e9-29337f9e9ebc" 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_0727c76d-ace9-4146-8cb0-59d29cfe77f7" xlink:to="loc_dei_LegalEntityAxis_abb4b496-ba3c-47ee-93e9-29337f9e9ebc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_b4789fd2-a925-43b7-aab0-518da2381177" 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_abb4b496-ba3c-47ee-93e9-29337f9e9ebc" xlink:to="loc_dei_EntityDomain_b4789fd2-a925-43b7-aab0-518da2381177" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_aa4f71d2-afdf-4626-a685-a19be6ca0048" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_b4789fd2-a925-43b7-aab0-518da2381177" xlink:to="loc_exc_CommonwealthEdisonCoMember_aa4f71d2-afdf-4626-a685-a19be6ca0048" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_78770878-7475-4de7-aa8a-aeea4c28fe1f" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_b4789fd2-a925-43b7-aab0-518da2381177" xlink:to="loc_exc_PecoEnergyCoMember_78770878-7475-4de7-aa8a-aeea4c28fe1f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_2decb34e-efdc-4257-a7b3-4b4a6bf6244a" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_b4789fd2-a925-43b7-aab0-518da2381177" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_2decb34e-efdc-4257-a7b3-4b4a6bf6244a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_1b0c83b4-be87-472a-875b-c89262eaaa19" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_b4789fd2-a925-43b7-aab0-518da2381177" xlink:to="loc_exc_PepcoHoldingsLLCMember_1b0c83b4-be87-472a-875b-c89262eaaa19" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_afc89c93-7a29-48b0-bfed-eaa68027a49f" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_b4789fd2-a925-43b7-aab0-518da2381177" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_afc89c93-7a29-48b0-bfed-eaa68027a49f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_1ea6dd17-9bac-4112-a250-f40bcd411683" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_b4789fd2-a925-43b7-aab0-518da2381177" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_1ea6dd17-9bac-4112-a250-f40bcd411683" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_8cc275ce-c5d9-4487-860f-ce31bbde58ab" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_b4789fd2-a925-43b7-aab0-518da2381177" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_8cc275ce-c5d9-4487-860f-ce31bbde58ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_c13b732d-b778-4f3a-ba70-d84f1a56470e" 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_0727c76d-ace9-4146-8cb0-59d29cfe77f7" xlink:to="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_c13b732d-b778-4f3a-ba70-d84f1a56470e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_2f03402c-36e1-47d3-bade-28e6f7dca08e" 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_c13b732d-b778-4f3a-ba70-d84f1a56470e" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_2f03402c-36e1-47d3-bade-28e6f7dca08e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_c489668f-76e1-480a-823c-72e889696d45" 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_c13b732d-b778-4f3a-ba70-d84f1a56470e" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_c489668f-76e1-480a-823c-72e889696d45" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_0d8c68b7-a654-49c6-a8e5-fad8de473786" 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_c13b732d-b778-4f3a-ba70-d84f1a56470e" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_0d8c68b7-a654-49c6-a8e5-fad8de473786" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_ab4fca14-7fc6-481f-b328-26abbbec7c24" 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_c13b732d-b778-4f3a-ba70-d84f1a56470e" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_ab4fca14-7fc6-481f-b328-26abbbec7c24" 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-20230331.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_2d61e4dd-2fdf-4c21-9b44-dea8e165ff53" 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_9bce123a-318d-4379-adc1-95f107549027" 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_2d61e4dd-2fdf-4c21-9b44-dea8e165ff53" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_9bce123a-318d-4379-adc1-95f107549027" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_61087677-f84f-46df-be67-2d640fb5d504" 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_9bce123a-318d-4379-adc1-95f107549027" xlink:to="loc_dei_LegalEntityAxis_61087677-f84f-46df-be67-2d640fb5d504" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_4d1c8339-76d7-4a82-bd7d-c7a166f1cb50" 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_61087677-f84f-46df-be67-2d640fb5d504" xlink:to="loc_dei_EntityDomain_4d1c8339-76d7-4a82-bd7d-c7a166f1cb50" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_73466849-f85f-4e0d-81a9-9a9dcbeb8b08" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_4d1c8339-76d7-4a82-bd7d-c7a166f1cb50" xlink:to="loc_exc_CommonwealthEdisonCoMember_73466849-f85f-4e0d-81a9-9a9dcbeb8b08" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_a0b35c17-5992-4f05-9403-dd901c274b33" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_4d1c8339-76d7-4a82-bd7d-c7a166f1cb50" xlink:to="loc_exc_PecoEnergyCoMember_a0b35c17-5992-4f05-9403-dd901c274b33" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_261e3bfe-bf3a-464d-8a3b-edd2ede82dda" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_4d1c8339-76d7-4a82-bd7d-c7a166f1cb50" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_261e3bfe-bf3a-464d-8a3b-edd2ede82dda" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_e5685b1b-8e64-42b1-b566-79d49b476de6" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_4d1c8339-76d7-4a82-bd7d-c7a166f1cb50" xlink:to="loc_exc_PepcoHoldingsLLCMember_e5685b1b-8e64-42b1-b566-79d49b476de6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_17a052d0-87f2-4d6f-a7f2-0e15ee69a78d" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_4d1c8339-76d7-4a82-bd7d-c7a166f1cb50" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_17a052d0-87f2-4d6f-a7f2-0e15ee69a78d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_6b2a6649-61ab-4875-b12a-3d3fcefa8cd1" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_4d1c8339-76d7-4a82-bd7d-c7a166f1cb50" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_6b2a6649-61ab-4875-b12a-3d3fcefa8cd1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_de71c723-de66-4211-861f-6dcab6940de0" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_4d1c8339-76d7-4a82-bd7d-c7a166f1cb50" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_de71c723-de66-4211-861f-6dcab6940de0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_fbca57d0-3368-4570-9eba-d1dfd009941d" 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_9bce123a-318d-4379-adc1-95f107549027" xlink:to="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_fbca57d0-3368-4570-9eba-d1dfd009941d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnbilledContractsReceivable_63cd34ec-10c0-4a7f-b14e-33e75f636fcc" 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_fbca57d0-3368-4570-9eba-d1dfd009941d" xlink:to="loc_us-gaap_UnbilledContractsReceivable_63cd34ec-10c0-4a7f-b14e-33e75f636fcc" 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-20230331.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_1c26c07d-4686-453f-a4a7-606614b7d72c" 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_9d906460-2105-46be-87b6-6a5b09c77d5f" 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_1c26c07d-4686-453f-a4a7-606614b7d72c" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_9d906460-2105-46be-87b6-6a5b09c77d5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_9443018b-9acb-4e58-9911-0283329248dd" 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_9d906460-2105-46be-87b6-6a5b09c77d5f" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_9443018b-9acb-4e58-9911-0283329248dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_aea0b082-3fc7-43b3-bdad-a90f645f292c" 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_9443018b-9acb-4e58-9911-0283329248dd" xlink:to="loc_us-gaap_RelatedPartyDomain_aea0b082-3fc7-43b3-bdad-a90f645f292c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLlcAffiliateMember_be998cdf-db71-4a94-91d4-d474a0cde423" xlink:href="exc-20230331.xsd#exc_ExelonGenerationCoLlcAffiliateMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_aea0b082-3fc7-43b3-bdad-a90f645f292c" xlink:to="loc_exc_ExelonGenerationCoLlcAffiliateMember_be998cdf-db71-4a94-91d4-d474a0cde423" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_269b2ded-52b2-4fbc-9bb2-6d01f135db7f" 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_9d906460-2105-46be-87b6-6a5b09c77d5f" xlink:to="loc_dei_LegalEntityAxis_269b2ded-52b2-4fbc-9bb2-6d01f135db7f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_2e2c0b47-7518-4a68-9589-3388d5fbc106" 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_269b2ded-52b2-4fbc-9bb2-6d01f135db7f" xlink:to="loc_dei_EntityDomain_2e2c0b47-7518-4a68-9589-3388d5fbc106" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_88cc9e2b-7259-40aa-936e-12bda51bc3cc" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e2c0b47-7518-4a68-9589-3388d5fbc106" xlink:to="loc_exc_CommonwealthEdisonCoMember_88cc9e2b-7259-40aa-936e-12bda51bc3cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_a599ca6d-f7b4-423d-b98b-5e09afd198f0" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e2c0b47-7518-4a68-9589-3388d5fbc106" xlink:to="loc_exc_PecoEnergyCoMember_a599ca6d-f7b4-423d-b98b-5e09afd198f0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_f10f398e-102f-43e5-a466-2e4bdce466ba" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e2c0b47-7518-4a68-9589-3388d5fbc106" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_f10f398e-102f-43e5-a466-2e4bdce466ba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_e7a543e3-3053-4d6f-993e-af5142354780" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e2c0b47-7518-4a68-9589-3388d5fbc106" xlink:to="loc_exc_PepcoHoldingsLLCMember_e7a543e3-3053-4d6f-993e-af5142354780" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_c0b67a20-d128-4e2f-8ddb-8b5d4e123b98" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e2c0b47-7518-4a68-9589-3388d5fbc106" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_c0b67a20-d128-4e2f-8ddb-8b5d4e123b98" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_43122da3-f369-44e4-8ae3-ed1d31018934" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e2c0b47-7518-4a68-9589-3388d5fbc106" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_43122da3-f369-44e4-8ae3-ed1d31018934" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_e30dd1bb-1e50-494d-91f4-b1bb7afffb66" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e2c0b47-7518-4a68-9589-3388d5fbc106" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_e30dd1bb-1e50-494d-91f4-b1bb7afffb66" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_76746158-4995-435f-874b-9b4679d19786" 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_9d906460-2105-46be-87b6-6a5b09c77d5f" xlink:to="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_76746158-4995-435f-874b-9b4679d19786" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivablePurchase_2d059956-1982-4548-bd03-77d09fbdbcdf" 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_76746158-4995-435f-874b-9b4679d19786" xlink:to="loc_us-gaap_AccountsReceivablePurchase_2d059956-1982-4548-bd03-77d09fbdbcdf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AccountsReceivableRelatedPartiesPurchase_4cf42352-06c4-4a52-9f2a-d70860c11591" xlink:href="exc-20230331.xsd#exc_AccountsReceivableRelatedPartiesPurchase"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_76746158-4995-435f-874b-9b4679d19786" xlink:to="loc_exc_AccountsReceivableRelatedPartiesPurchase_4cf42352-06c4-4a52-9f2a-d70860c11591" 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-20230331.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_f5c6828d-5a51-4ba1-abc0-7f462ef3bb50" 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_e8651e52-6f42-485f-a6c6-151e67ae0425" 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_f5c6828d-5a51-4ba1-abc0-7f462ef3bb50" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_e8651e52-6f42-485f-a6c6-151e67ae0425" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_78ca9323-1322-4368-ae6b-121b376508f5" 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_e8651e52-6f42-485f-a6c6-151e67ae0425" xlink:to="loc_dei_LegalEntityAxis_78ca9323-1322-4368-ae6b-121b376508f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_bd54cfa2-a13f-4508-8e10-4814a75d5471" 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_78ca9323-1322-4368-ae6b-121b376508f5" xlink:to="loc_dei_EntityDomain_bd54cfa2-a13f-4508-8e10-4814a75d5471" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_59bbd5ca-7c72-478d-b5e1-b000470ba975" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_bd54cfa2-a13f-4508-8e10-4814a75d5471" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_59bbd5ca-7c72-478d-b5e1-b000470ba975" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_4afe57a1-97da-4aff-9c8a-1fd85e369a16" 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_e8651e52-6f42-485f-a6c6-151e67ae0425" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentLineItems_4afe57a1-97da-4aff-9c8a-1fd85e369a16" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_2c91c3b2-c1fd-4b7f-98df-beaef60b091b" 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_4afe57a1-97da-4aff-9c8a-1fd85e369a16" xlink:to="loc_us-gaap_AssetImpairmentCharges_2c91c3b2-c1fd-4b7f-98df-beaef60b091b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_859fd45f-e186-40ca-bf95-92623cc265e5" 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_f5c6828d-5a51-4ba1-abc0-7f462ef3bb50" xlink:to="loc_us-gaap_AssetImpairmentCharges_859fd45f-e186-40ca-bf95-92623cc265e5" 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-20230331.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_ea4259d3-3884-4b27-8a68-1f552bf589c4" 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_4e9a934b-79dc-4962-8846-36fcc4b6d738" xlink:href="exc-20230331.xsd#exc_IncomeTaxAdditionalNarrativeInformationTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_ea4259d3-3884-4b27-8a68-1f552bf589c4" xlink:to="loc_exc_IncomeTaxAdditionalNarrativeInformationTable_4e9a934b-79dc-4962-8846-36fcc4b6d738" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_1b8a4409-eca9-44c6-9ba8-79b8836780da" 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_4e9a934b-79dc-4962-8846-36fcc4b6d738" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_1b8a4409-eca9-44c6-9ba8-79b8836780da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_9b5e52c8-dcb1-4a57-93b7-9e7d744fd236" 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_1b8a4409-eca9-44c6-9ba8-79b8836780da" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_9b5e52c8-dcb1-4a57-93b7-9e7d744fd236" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StateAndLocalJurisdictionMember_85f1f4ca-23ec-4f39-a27d-719cdceea061" 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_9b5e52c8-dcb1-4a57-93b7-9e7d744fd236" xlink:to="loc_us-gaap_StateAndLocalJurisdictionMember_85f1f4ca-23ec-4f39-a27d-719cdceea061" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FederalAndState_a4d0997d-3440-4baf-b0b4-ec9a94964324" xlink:href="exc-20230331.xsd#exc_FederalAndState"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_9b5e52c8-dcb1-4a57-93b7-9e7d744fd236" xlink:to="loc_exc_FederalAndState_a4d0997d-3440-4baf-b0b4-ec9a94964324" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_stpr_PA_93dd2315-6433-4805-97ff-a160ab7a5f56" 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_9b5e52c8-dcb1-4a57-93b7-9e7d744fd236" xlink:to="loc_stpr_PA_93dd2315-6433-4805-97ff-a160ab7a5f56" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_f106b505-f0e7-4c48-befd-75ea84798618" 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_4e9a934b-79dc-4962-8846-36fcc4b6d738" xlink:to="loc_dei_LegalEntityAxis_f106b505-f0e7-4c48-befd-75ea84798618" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_43987433-6792-4030-9b9d-4be250cdeb7c" 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_f106b505-f0e7-4c48-befd-75ea84798618" xlink:to="loc_dei_EntityDomain_43987433-6792-4030-9b9d-4be250cdeb7c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_0f09983e-68b4-464e-b9d8-79419cae2d01" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_43987433-6792-4030-9b9d-4be250cdeb7c" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_0f09983e-68b4-464e-b9d8-79419cae2d01" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_769ca42d-b414-4860-b788-be436da8d12e" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_43987433-6792-4030-9b9d-4be250cdeb7c" xlink:to="loc_exc_PecoEnergyCoMember_769ca42d-b414-4860-b788-be436da8d12e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatutoryAccountingPracticesByJurisdictionAxis_dec46ae9-c0a4-45e0-85bb-9bafab6039f9" 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_4e9a934b-79dc-4962-8846-36fcc4b6d738" xlink:to="loc_us-gaap_StatutoryAccountingPracticesByJurisdictionAxis_dec46ae9-c0a4-45e0-85bb-9bafab6039f9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatutoryAccountingPracticesJurisdictionDomain_b5f37360-7903-4d2f-8744-3bfc5fda475e" 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_dec46ae9-c0a4-45e0-85bb-9bafab6039f9" xlink:to="loc_us-gaap_StatutoryAccountingPracticesJurisdictionDomain_b5f37360-7903-4d2f-8744-3bfc5fda475e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UsTreasuryUstInterestRateMember_41846281-2362-40fb-b4fa-619ddd02dbcc" 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_b5f37360-7903-4d2f-8744-3bfc5fda475e" xlink:to="loc_us-gaap_UsTreasuryUstInterestRateMember_41846281-2362-40fb-b4fa-619ddd02dbcc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_IncomeTaxAdditionalNarrativeInformationLineItems_7105e6d2-9304-4f4e-87bb-3b504a7910f3" xlink:href="exc-20230331.xsd#exc_IncomeTaxAdditionalNarrativeInformationLineItems"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationTable_4e9a934b-79dc-4962-8846-36fcc4b6d738" xlink:to="loc_exc_IncomeTaxAdditionalNarrativeInformationLineItems_7105e6d2-9304-4f4e-87bb-3b504a7910f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit_fa46f646-d45d-4585-bca3-ccec8f30e519" 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_7105e6d2-9304-4f4e-87bb-3b504a7910f3" xlink:to="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit_fa46f646-d45d-4585-bca3-ccec8f30e519" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_IncomeTaxExpenseRelatedToSeparation_7e9fc88b-f837-44ec-ae15-dfdb0e9351f3" xlink:href="exc-20230331.xsd#exc_IncomeTaxExpenseRelatedToSeparation"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationLineItems_7105e6d2-9304-4f4e-87bb-3b504a7910f3" xlink:to="loc_exc_IncomeTaxExpenseRelatedToSeparation_7e9fc88b-f837-44ec-ae15-dfdb0e9351f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_edeb0e48-17a8-4918-aff2-fe5ccdd41c1d" 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_7105e6d2-9304-4f4e-87bb-3b504a7910f3" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_edeb0e48-17a8-4918-aff2-fe5ccdd41c1d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_b2d4b902-ab69-47e9-a257-e968283b01ff" 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_7105e6d2-9304-4f4e-87bb-3b504a7910f3" xlink:to="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_b2d4b902-ab69-47e9-a257-e968283b01ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxCreditsAndAdjustments_da0ad8d0-5fe3-4dda-9ff9-437ac3d7ff43" 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_7105e6d2-9304-4f4e-87bb-3b504a7910f3" xlink:to="loc_us-gaap_IncomeTaxCreditsAndAdjustments_da0ad8d0-5fe3-4dda-9ff9-437ac3d7ff43" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_TotalTransactionCostsTaxesRelatingToTheSeparation_2a54633e-9ace-44f5-a433-3da303378a9a" xlink:href="exc-20230331.xsd#exc_TotalTransactionCostsTaxesRelatingToTheSeparation"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_IncomeTaxAdditionalNarrativeInformationLineItems_7105e6d2-9304-4f4e-87bb-3b504a7910f3" xlink:to="loc_exc_TotalTransactionCostsTaxesRelatingToTheSeparation_2a54633e-9ace-44f5-a433-3da303378a9a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesReceivable_bd07081c-a6f9-4f95-89b1-1aec1d054488" 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_7105e6d2-9304-4f4e-87bb-3b504a7910f3" xlink:to="loc_us-gaap_IncomeTaxesReceivable_bd07081c-a6f9-4f95-89b1-1aec1d054488" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableCurrent_0325cdb1-d185-4bae-9aa2-dd7754db724e" 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_7105e6d2-9304-4f4e-87bb-3b504a7910f3" xlink:to="loc_us-gaap_NotesPayableCurrent_0325cdb1-d185-4bae-9aa2-dd7754db724e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermNotesPayable_ec0f74c3-5369-4cff-a1e4-3685974aac5f" 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_7105e6d2-9304-4f4e-87bb-3b504a7910f3" xlink:to="loc_us-gaap_LongTermNotesPayable_ec0f74c3-5369-4cff-a1e4-3685974aac5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherRegulatoryAssets_242245a7-78f4-48c8-806c-771088fc3d6e" 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_7105e6d2-9304-4f4e-87bb-3b504a7910f3" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherRegulatoryAssets_242245a7-78f4-48c8-806c-771088fc3d6e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_360114e6-700c-4598-988c-143f28191850" 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_7105e6d2-9304-4f4e-87bb-3b504a7910f3" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_360114e6-700c-4598-988c-143f28191850" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_92bd667f-cfac-44b0-87a3-2971d76f221d" 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_7105e6d2-9304-4f4e-87bb-3b504a7910f3" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_92bd667f-cfac-44b0-87a3-2971d76f221d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_71195b09-1741-46f7-aa48-e80c5fd319cc" 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_7105e6d2-9304-4f4e-87bb-3b504a7910f3" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_71195b09-1741-46f7-aa48-e80c5fd319cc" 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-20230331.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_fe41f757-363d-47e9-8089-f821034784a8" 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_d2dd3ebf-a1d2-441e-b8aa-b61aa89c86d7" xlink:href="exc-20230331.xsd#exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_fe41f757-363d-47e9-8089-f821034784a8" xlink:to="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateTable_d2dd3ebf-a1d2-441e-b8aa-b61aa89c86d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_5f2077ab-16af-47f2-b1c8-fc39f167b6b6" 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_d2dd3ebf-a1d2-441e-b8aa-b61aa89c86d7" xlink:to="loc_dei_LegalEntityAxis_5f2077ab-16af-47f2-b1c8-fc39f167b6b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_7c49876b-47d0-46da-afcb-00aa15f6e463" 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_5f2077ab-16af-47f2-b1c8-fc39f167b6b6" xlink:to="loc_dei_EntityDomain_7c49876b-47d0-46da-afcb-00aa15f6e463" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_deaff57b-0474-46c6-b38b-92388de43d45" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7c49876b-47d0-46da-afcb-00aa15f6e463" xlink:to="loc_exc_CommonwealthEdisonCoMember_deaff57b-0474-46c6-b38b-92388de43d45" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_35258c67-c275-43f9-8f38-8182a9652256" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7c49876b-47d0-46da-afcb-00aa15f6e463" xlink:to="loc_exc_PecoEnergyCoMember_35258c67-c275-43f9-8f38-8182a9652256" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_d99e0be5-4fe4-4a5c-8d67-13799445f539" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7c49876b-47d0-46da-afcb-00aa15f6e463" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_d99e0be5-4fe4-4a5c-8d67-13799445f539" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_f511e6bb-2ff1-4a0e-b4c2-762f8a6d4e4e" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7c49876b-47d0-46da-afcb-00aa15f6e463" xlink:to="loc_exc_PepcoHoldingsLLCMember_f511e6bb-2ff1-4a0e-b4c2-762f8a6d4e4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_f0becb67-73cf-4177-8104-46abd10c9529" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7c49876b-47d0-46da-afcb-00aa15f6e463" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_f0becb67-73cf-4177-8104-46abd10c9529" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_8a6af55e-104c-41b1-aab9-13f610f51df8" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7c49876b-47d0-46da-afcb-00aa15f6e463" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_8a6af55e-104c-41b1-aab9-13f610f51df8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_169ef48a-c2e2-4856-9afc-a9916136a5cf" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7c49876b-47d0-46da-afcb-00aa15f6e463" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_169ef48a-c2e2-4856-9afc-a9916136a5cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_d9dd7b01-f324-42d5-b324-a02e83a753fa" 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_d2dd3ebf-a1d2-441e-b8aa-b61aa89c86d7" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_d9dd7b01-f324-42d5-b324-a02e83a753fa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_0a4cdc11-55aa-4abc-a93d-922743156725" 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_d9dd7b01-f324-42d5-b324-a02e83a753fa" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_0a4cdc11-55aa-4abc-a93d-922743156725" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_stpr_PA_ed5413d3-2726-4776-88ba-84020c8c14df" 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_0a4cdc11-55aa-4abc-a93d-922743156725" xlink:to="loc_stpr_PA_ed5413d3-2726-4776-88ba-84020c8c14df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FederalAndState_a42a0b2c-857c-4dcb-8340-0fbe3232ef45" xlink:href="exc-20230331.xsd#exc_FederalAndState"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_0a4cdc11-55aa-4abc-a93d-922743156725" xlink:to="loc_exc_FederalAndState_a42a0b2c-857c-4dcb-8340-0fbe3232ef45" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_3b705c0c-dd79-4621-b942-cbb097bbff3d" xlink:href="exc-20230331.xsd#exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateTable_d2dd3ebf-a1d2-441e-b8aa-b61aa89c86d7" xlink:to="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_3b705c0c-dd79-4621-b942-cbb097bbff3d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_3bbd274b-87ce-4c50-95d9-a2385975a390" 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_3b705c0c-dd79-4621-b942-cbb097bbff3d" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_3bbd274b-87ce-4c50-95d9-a2385975a390" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_73838e39-5c19-4bd2-b88a-3998d32e0fe6" 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_3bbd274b-87ce-4c50-95d9-a2385975a390" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_73838e39-5c19-4bd2-b88a-3998d32e0fe6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AdjustmentsToReconcileFederalStatutoryIncomeTaxRateToEffectiveIncomeTaxRateContinuingOperationsAbstract_833ce9fc-1e64-4483-ae77-5989fb7cf0eb" xlink:href="exc-20230331.xsd#exc_AdjustmentsToReconcileFederalStatutoryIncomeTaxRateToEffectiveIncomeTaxRateContinuingOperationsAbstract"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_3bbd274b-87ce-4c50-95d9-a2385975a390" xlink:to="loc_exc_AdjustmentsToReconcileFederalStatutoryIncomeTaxRateToEffectiveIncomeTaxRateContinuingOperationsAbstract_833ce9fc-1e64-4483-ae77-5989fb7cf0eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_61c28973-b9f1-44d1-89e1-5c19b58a72cf" 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_833ce9fc-1e64-4483-ae77-5989fb7cf0eb" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_61c28973-b9f1-44d1-89e1-5c19b58a72cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsOther_a0c1b481-c0fe-4c61-8544-e02395f5a7b4" 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_833ce9fc-1e64-4483-ae77-5989fb7cf0eb" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsOther_a0c1b481-c0fe-4c61-8544-e02395f5a7b4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EffectiveIncomeTaxRateReconciliationChangeinEnactedTaxLawPercent_a50134aa-b23c-488e-9abf-71fb57adca88" xlink:href="exc-20230331.xsd#exc_EffectiveIncomeTaxRateReconciliationChangeinEnactedTaxLawPercent"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_AdjustmentsToReconcileFederalStatutoryIncomeTaxRateToEffectiveIncomeTaxRateContinuingOperationsAbstract_833ce9fc-1e64-4483-ae77-5989fb7cf0eb" xlink:to="loc_exc_EffectiveIncomeTaxRateReconciliationChangeinEnactedTaxLawPercent_a50134aa-b23c-488e-9abf-71fb57adca88" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment_a1e22388-081f-47ab-8d80-f524db63d5ae" 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_833ce9fc-1e64-4483-ae77-5989fb7cf0eb" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment_a1e22388-081f-47ab-8d80-f524db63d5ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther_e8583079-a0c7-40a2-bd8c-875d5f1ff449" 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_833ce9fc-1e64-4483-ae77-5989fb7cf0eb" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther_e8583079-a0c7-40a2-bd8c-875d5f1ff449" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_64ad165f-e047-4d1d-8fe4-045d3a530f58" 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_833ce9fc-1e64-4483-ae77-5989fb7cf0eb" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_64ad165f-e047-4d1d-8fe4-045d3a530f58" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_3380d654-64db-4929-baf5-1739164a75cb" 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_3bbd274b-87ce-4c50-95d9-a2385975a390" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_3380d654-64db-4929-baf5-1739164a75cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_a4ec7268-88b6-4208-aa4f-3cbe76a45119" 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_3b705c0c-dd79-4621-b942-cbb097bbff3d" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_a4ec7268-88b6-4208-aa4f-3cbe76a45119" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_330187bf-eebf-40cf-8310-fa4b083107d5" 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_3b705c0c-dd79-4621-b942-cbb097bbff3d" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_330187bf-eebf-40cf-8310-fa4b083107d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_4e6f2412-48c7-4a58-b858-e478bd6d7a5d" 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_3b705c0c-dd79-4621-b942-cbb097bbff3d" xlink:to="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_4e6f2412-48c7-4a58-b858-e478bd6d7a5d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxCreditsAndAdjustments_5ef52412-8a7f-4048-b150-8c86ed0c74a8" 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_3b705c0c-dd79-4621-b942-cbb097bbff3d" xlink:to="loc_us-gaap_IncomeTaxCreditsAndAdjustments_5ef52412-8a7f-4048-b150-8c86ed0c74a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_TotalTransactionCostsRelatingToTheSeparation_44c65ae1-d76b-4ae1-8ffb-d0a3d51ef8c9" xlink:href="exc-20230331.xsd#exc_TotalTransactionCostsRelatingToTheSeparation"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_3b705c0c-dd79-4621-b942-cbb097bbff3d" xlink:to="loc_exc_TotalTransactionCostsRelatingToTheSeparation_44c65ae1-d76b-4ae1-8ffb-d0a3d51ef8c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_cd9d2403-482b-4a3d-8488-36ce384c9a0f" 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_3b705c0c-dd79-4621-b942-cbb097bbff3d" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_cd9d2403-482b-4a3d-8488-36ce384c9a0f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_175037d4-b52a-4e0b-a522-a807e604fb54" 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_3b705c0c-dd79-4621-b942-cbb097bbff3d" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_175037d4-b52a-4e0b-a522-a807e604fb54" 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-20230331.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_0e2b40e7-014b-408f-892a-ee08fb2898f8" 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_bc91f9c9-bb68-4388-81e6-4f50fcc87d7d" 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_0e2b40e7-014b-408f-892a-ee08fb2898f8" xlink:to="loc_us-gaap_IncomeTaxContingencyTable_bc91f9c9-bb68-4388-81e6-4f50fcc87d7d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_718692aa-a5bc-4ed5-a7ee-55b660ab5679" 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_bc91f9c9-bb68-4388-81e6-4f50fcc87d7d" xlink:to="loc_dei_LegalEntityAxis_718692aa-a5bc-4ed5-a7ee-55b660ab5679" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_e2187001-379d-4c62-82b8-adef976b4ab9" 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_718692aa-a5bc-4ed5-a7ee-55b660ab5679" xlink:to="loc_dei_EntityDomain_e2187001-379d-4c62-82b8-adef976b4ab9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_f767e7a3-8214-4982-9daa-8c6d1392e048" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e2187001-379d-4c62-82b8-adef976b4ab9" xlink:to="loc_exc_PepcoHoldingsLLCMember_f767e7a3-8214-4982-9daa-8c6d1392e048" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_f8d39b04-83a3-4a19-a2ee-2178bac3851d" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e2187001-379d-4c62-82b8-adef976b4ab9" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_f8d39b04-83a3-4a19-a2ee-2178bac3851d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxContingencyLineItems_26be90e8-2b5f-406d-b36f-c656b22d3e44" 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_bc91f9c9-bb68-4388-81e6-4f50fcc87d7d" xlink:to="loc_us-gaap_IncomeTaxContingencyLineItems_26be90e8-2b5f-406d-b36f-c656b22d3e44" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_c40d9a33-0799-4266-9551-0ce81b5588d8" 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_26be90e8-2b5f-406d-b36f-c656b22d3e44" xlink:to="loc_us-gaap_UnrecognizedTaxBenefits_c40d9a33-0799-4266-9551-0ce81b5588d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesReceivableNoncurrent_ade4723b-6f9e-4b6c-b53d-b050cb482c80" 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_26be90e8-2b5f-406d-b36f-c656b22d3e44" xlink:to="loc_us-gaap_IncomeTaxesReceivableNoncurrent_ade4723b-6f9e-4b6c-b53d-b050cb482c80" 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-20230331.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_483bdf50-65d6-49a4-ab42-8f760db30cd4" 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_c1a56c37-8f1d-4378-beff-4932591216e7" xlink:href="exc-20230331.xsd#exc_AllocationOfTaxBenefitsTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_483bdf50-65d6-49a4-ab42-8f760db30cd4" xlink:to="loc_exc_AllocationOfTaxBenefitsTable_c1a56c37-8f1d-4378-beff-4932591216e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_e3996cc8-c7c4-40ef-87b3-fae4532d054d" 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_c1a56c37-8f1d-4378-beff-4932591216e7" xlink:to="loc_dei_LegalEntityAxis_e3996cc8-c7c4-40ef-87b3-fae4532d054d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_bb61f9d2-03d8-4dac-9ba7-df0bd4aa2baa" 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_e3996cc8-c7c4-40ef-87b3-fae4532d054d" xlink:to="loc_dei_EntityDomain_bb61f9d2-03d8-4dac-9ba7-df0bd4aa2baa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_9b174804-a784-419e-8cad-254a36533e9e" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_bb61f9d2-03d8-4dac-9ba7-df0bd4aa2baa" xlink:to="loc_exc_CommonwealthEdisonCoMember_9b174804-a784-419e-8cad-254a36533e9e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_3391bcd4-f69f-405b-89ad-d8fe9ea1b553" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_bb61f9d2-03d8-4dac-9ba7-df0bd4aa2baa" xlink:to="loc_exc_PecoEnergyCoMember_3391bcd4-f69f-405b-89ad-d8fe9ea1b553" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_5b1a4784-9ae6-4dde-9d13-581d4bfcfa65" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_bb61f9d2-03d8-4dac-9ba7-df0bd4aa2baa" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_5b1a4784-9ae6-4dde-9d13-581d4bfcfa65" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_617b77ba-94b2-4491-9127-252d7247d2ad" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_bb61f9d2-03d8-4dac-9ba7-df0bd4aa2baa" xlink:to="loc_exc_PepcoHoldingsLLCMember_617b77ba-94b2-4491-9127-252d7247d2ad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_22fc6315-a5ef-4b12-9583-4730811f5a3e" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_bb61f9d2-03d8-4dac-9ba7-df0bd4aa2baa" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_22fc6315-a5ef-4b12-9583-4730811f5a3e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_5b226aad-a0c3-4816-8ab3-46ea16df821c" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_bb61f9d2-03d8-4dac-9ba7-df0bd4aa2baa" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_5b226aad-a0c3-4816-8ab3-46ea16df821c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_6a4515d6-bdfa-4853-9aba-417f1f6d94eb" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_bb61f9d2-03d8-4dac-9ba7-df0bd4aa2baa" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_6a4515d6-bdfa-4853-9aba-417f1f6d94eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_1b0c83f0-b145-421c-966d-e4ed306e9021" 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_c1a56c37-8f1d-4378-beff-4932591216e7" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_1b0c83f0-b145-421c-966d-e4ed306e9021" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_183ff262-e319-4be1-bb5b-9fde237fb437" 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_1b0c83f0-b145-421c-966d-e4ed306e9021" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_183ff262-e319-4be1-bb5b-9fde237fb437" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StateAndLocalJurisdictionMember_1777b0f6-79d0-4643-8433-dd70317578a1" 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_183ff262-e319-4be1-bb5b-9fde237fb437" xlink:to="loc_us-gaap_StateAndLocalJurisdictionMember_1777b0f6-79d0-4643-8433-dd70317578a1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AllocationOfTaxBenefitsLineItems_9a27f3ac-52d9-4df6-a6b9-1b95a6970094" xlink:href="exc-20230331.xsd#exc_AllocationOfTaxBenefitsLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_AllocationOfTaxBenefitsTable_c1a56c37-8f1d-4378-beff-4932591216e7" xlink:to="loc_exc_AllocationOfTaxBenefitsLineItems_9a27f3ac-52d9-4df6-a6b9-1b95a6970094" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AllocationOfFederalTaxBenefitUnderTaxSharingAgreement_e1987f53-9c1a-4552-90f9-d5464933cb0d" xlink:href="exc-20230331.xsd#exc_AllocationOfFederalTaxBenefitUnderTaxSharingAgreement"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_AllocationOfTaxBenefitsLineItems_9a27f3ac-52d9-4df6-a6b9-1b95a6970094" xlink:to="loc_exc_AllocationOfFederalTaxBenefitUnderTaxSharingAgreement_e1987f53-9c1a-4552-90f9-d5464933cb0d" 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-20230331.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_e6f8ad41-e621-4cee-92b7-0c17a0b4117f" 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_e64a4df4-d9d3-44d6-b018-45271457443c" 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_e6f8ad41-e621-4cee-92b7-0c17a0b4117f" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_e64a4df4-d9d3-44d6-b018-45271457443c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_cd4a1f9b-6315-4bdf-a544-22c18d13424e" 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_e64a4df4-d9d3-44d6-b018-45271457443c" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_cd4a1f9b-6315-4bdf-a544-22c18d13424e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_ad8aec01-f8f4-490d-ae82-94358e23dc76" 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_cd4a1f9b-6315-4bdf-a544-22c18d13424e" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_ad8aec01-f8f4-490d-ae82-94358e23dc76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_b7f7f55c-a4ce-4325-953e-5646484e9706" 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_ad8aec01-f8f4-490d-ae82-94358e23dc76" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_b7f7f55c-a4ce-4325-953e-5646484e9706" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_93059dc3-eb48-4d5e-9cea-bcf5d241072a" 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_ad8aec01-f8f4-490d-ae82-94358e23dc76" xlink:to="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_93059dc3-eb48-4d5e-9cea-bcf5d241072a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_81d4cefd-48a4-415c-a05b-6429e80eba04" 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_e64a4df4-d9d3-44d6-b018-45271457443c" xlink:to="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_81d4cefd-48a4-415c-a05b-6429e80eba04" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPensionPlanObligations_44565b98-e7cc-4f29-b13a-a644a834a491" 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_81d4cefd-48a4-415c-a05b-6429e80eba04" xlink:to="loc_us-gaap_IncreaseDecreaseInPensionPlanObligations_44565b98-e7cc-4f29-b13a-a644a834a491" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPostretirementObligations_e2678ab2-19fb-4f7d-88b4-11e57e43591d" 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_81d4cefd-48a4-415c-a05b-6429e80eba04" xlink:to="loc_us-gaap_IncreaseDecreaseInPostretirementObligations_e2678ab2-19fb-4f7d-88b4-11e57e43591d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax_132c8dd1-2172-4062-b204-aa37f53c3185" 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_81d4cefd-48a4-415c-a05b-6429e80eba04" xlink:to="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax_132c8dd1-2172-4062-b204-aa37f53c3185" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DefinedBenefitPlanAmountsRecognizedInRegulatoryAssetsBeforeTax_00c31b56-3958-4b3e-9258-1024473267ea" xlink:href="exc-20230331.xsd#exc_DefinedBenefitPlanAmountsRecognizedInRegulatoryAssetsBeforeTax"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_81d4cefd-48a4-415c-a05b-6429e80eba04" xlink:to="loc_exc_DefinedBenefitPlanAmountsRecognizedInRegulatoryAssetsBeforeTax_00c31b56-3958-4b3e-9258-1024473267ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DefinedBenefitPlanAmountsRecognizedInRegulatoryLiabilitiesBeforeTax_6afc4b57-5a45-42d1-a653-c8972fa57627" xlink:href="exc-20230331.xsd#exc_DefinedBenefitPlanAmountsRecognizedInRegulatoryLiabilitiesBeforeTax"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_81d4cefd-48a4-415c-a05b-6429e80eba04" xlink:to="loc_exc_DefinedBenefitPlanAmountsRecognizedInRegulatoryLiabilitiesBeforeTax_6afc4b57-5a45-42d1-a653-c8972fa57627" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_a28e37c4-e1b5-4dab-8c08-0aabf6afb6dd" 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_81d4cefd-48a4-415c-a05b-6429e80eba04" xlink:to="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_a28e37c4-e1b5-4dab-8c08-0aabf6afb6dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_215b2afd-5a04-46ae-ba59-a42b1bbb39bf" 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_81d4cefd-48a4-415c-a05b-6429e80eba04" xlink:to="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_215b2afd-5a04-46ae-ba59-a42b1bbb39bf" 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-20230331.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_c377443a-ec3b-4d84-b543-5f9258bbf04c" 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_43c55c0f-45e2-45e9-8d9f-3efac90571e2" 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_c377443a-ec3b-4d84-b543-5f9258bbf04c" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_43c55c0f-45e2-45e9-8d9f-3efac90571e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_aa7544fd-b691-4452-a962-7236703508c1" 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_43c55c0f-45e2-45e9-8d9f-3efac90571e2" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_aa7544fd-b691-4452-a962-7236703508c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_9c6ea4f5-0264-4e34-99ab-36c4d7431883" 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_aa7544fd-b691-4452-a962-7236703508c1" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_9c6ea4f5-0264-4e34-99ab-36c4d7431883" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_0cb73ece-a9ad-4d2d-b547-98370bfe57d3" 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_9c6ea4f5-0264-4e34-99ab-36c4d7431883" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_0cb73ece-a9ad-4d2d-b547-98370bfe57d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_476bada4-2dcc-48c1-a84c-b97a883ab6a9" 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_9c6ea4f5-0264-4e34-99ab-36c4d7431883" xlink:to="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_476bada4-2dcc-48c1-a84c-b97a883ab6a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_bf4d74ee-50bd-4e89-bf0f-b998d7e9c431" 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_43c55c0f-45e2-45e9-8d9f-3efac90571e2" xlink:to="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_bf4d74ee-50bd-4e89-bf0f-b998d7e9c431" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_01db4f4a-51b3-44f4-ab30-f4db0bb550e2" 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_bf4d74ee-50bd-4e89-bf0f-b998d7e9c431" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_01db4f4a-51b3-44f4-ab30-f4db0bb550e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_9ddd93e7-5669-491a-a7ef-7297b0a1c691" 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_bf4d74ee-50bd-4e89-bf0f-b998d7e9c431" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_9ddd93e7-5669-491a-a7ef-7297b0a1c691" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_8f1ff8fd-09eb-4820-901a-432a17c93caa" 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_bf4d74ee-50bd-4e89-bf0f-b998d7e9c431" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_8f1ff8fd-09eb-4820-901a-432a17c93caa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AmortizationofPriorServiceCostBenefitandActuarialLossAbstract_796afb9d-cd77-4ae6-a354-82d7a581a628" xlink:href="exc-20230331.xsd#exc_AmortizationofPriorServiceCostBenefitandActuarialLossAbstract"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_bf4d74ee-50bd-4e89-bf0f-b998d7e9c431" xlink:to="loc_exc_AmortizationofPriorServiceCostBenefitandActuarialLossAbstract_796afb9d-cd77-4ae6-a354-82d7a581a628" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_1d266fe8-5436-49f1-9982-ae1e75b9a19e" 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_796afb9d-cd77-4ae6-a354-82d7a581a628" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_1d266fe8-5436-49f1-9982-ae1e75b9a19e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_87def721-a855-43d5-acce-3230fc931d33" 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_796afb9d-cd77-4ae6-a354-82d7a581a628" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_87def721-a855-43d5-acce-3230fc931d33" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_298c9910-341f-4165-b1be-f8f4f154db1a" 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_bf4d74ee-50bd-4e89-bf0f-b998d7e9c431" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_298c9910-341f-4165-b1be-f8f4f154db1a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_b8bfcbe7-9c99-47e9-a508-9e73f1497831" 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_bf4d74ee-50bd-4e89-bf0f-b998d7e9c431" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_b8bfcbe7-9c99-47e9-a508-9e73f1497831" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_0bcf9c5d-70f7-4f4d-ad8a-1b3fa936d687" 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_bf4d74ee-50bd-4e89-bf0f-b998d7e9c431" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_0bcf9c5d-70f7-4f4d-ad8a-1b3fa936d687" 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-20230331.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_4ecfbc7d-a0ed-4e48-aa2d-830435616bbb" 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_e461a6a8-6dbe-4031-a3ec-30c8a22fcc81" 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_4ecfbc7d-a0ed-4e48-aa2d-830435616bbb" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_e461a6a8-6dbe-4031-a3ec-30c8a22fcc81" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_8c3a095b-e0b6-46f8-bde6-0360bce81fce" 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_e461a6a8-6dbe-4031-a3ec-30c8a22fcc81" xlink:to="loc_dei_LegalEntityAxis_8c3a095b-e0b6-46f8-bde6-0360bce81fce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_13836801-e8e9-4e0d-a9b5-84f73fd2a8a7" 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_8c3a095b-e0b6-46f8-bde6-0360bce81fce" xlink:to="loc_dei_EntityDomain_13836801-e8e9-4e0d-a9b5-84f73fd2a8a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_573bffbf-079b-421a-a763-b591e587e398" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_13836801-e8e9-4e0d-a9b5-84f73fd2a8a7" xlink:to="loc_exc_CommonwealthEdisonCoMember_573bffbf-079b-421a-a763-b591e587e398" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_3abaa169-daff-46ee-8163-1a8f417cd409" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_13836801-e8e9-4e0d-a9b5-84f73fd2a8a7" xlink:to="loc_exc_PecoEnergyCoMember_3abaa169-daff-46ee-8163-1a8f417cd409" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_f841b15b-ac93-4e5c-b5e6-e2acf2ce1032" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_13836801-e8e9-4e0d-a9b5-84f73fd2a8a7" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_f841b15b-ac93-4e5c-b5e6-e2acf2ce1032" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_23272f33-e2f7-41c3-a815-3918072a36fb" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_13836801-e8e9-4e0d-a9b5-84f73fd2a8a7" xlink:to="loc_exc_PepcoHoldingsLLCMember_23272f33-e2f7-41c3-a815-3918072a36fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_897c17e3-76e9-44ff-a5ba-47a1191902bb" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_13836801-e8e9-4e0d-a9b5-84f73fd2a8a7" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_897c17e3-76e9-44ff-a5ba-47a1191902bb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_310c332e-1426-4dcc-9926-b7c46bc4489b" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_13836801-e8e9-4e0d-a9b5-84f73fd2a8a7" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_310c332e-1426-4dcc-9926-b7c46bc4489b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_7f63aa80-21ac-473c-a651-835b0039a06a" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_13836801-e8e9-4e0d-a9b5-84f73fd2a8a7" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_7f63aa80-21ac-473c-a651-835b0039a06a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_2411309a-f839-4559-ad1a-999dd92a3d6a" 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_e461a6a8-6dbe-4031-a3ec-30c8a22fcc81" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_2411309a-f839-4559-ad1a-999dd92a3d6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_c729351a-ea5b-4c65-b573-2d9ad2b5a7b3" 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_2411309a-f839-4559-ad1a-999dd92a3d6a" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_c729351a-ea5b-4c65-b573-2d9ad2b5a7b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PensionandotherpostretirementbenefitMember_ceb40509-f48f-42fa-9390-c21f4f06f4dc" xlink:href="exc-20230331.xsd#exc_PensionandotherpostretirementbenefitMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_c729351a-ea5b-4c65-b573-2d9ad2b5a7b3" xlink:to="loc_exc_PensionandotherpostretirementbenefitMember_ceb40509-f48f-42fa-9390-c21f4f06f4dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_be2e9cd7-3be5-401f-9869-92374ca1097b" 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_e461a6a8-6dbe-4031-a3ec-30c8a22fcc81" xlink:to="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_be2e9cd7-3be5-401f-9869-92374ca1097b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_7bea19be-1ed7-436e-be2f-63146e98ed2a" 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_be2e9cd7-3be5-401f-9869-92374ca1097b" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_7bea19be-1ed7-436e-be2f-63146e98ed2a" 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-20230331.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_5b007098-134e-42cc-bba4-2ee197565779" 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_6954e8c6-2bf9-47a3-94d2-4121ca94a285" 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_5b007098-134e-42cc-bba4-2ee197565779" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_6954e8c6-2bf9-47a3-94d2-4121ca94a285" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_0c543b5d-2737-4184-a56b-d3f18539109c" 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_6954e8c6-2bf9-47a3-94d2-4121ca94a285" xlink:to="loc_dei_LegalEntityAxis_0c543b5d-2737-4184-a56b-d3f18539109c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_5da230ba-e7b9-4b2a-b20f-24b8c46bca82" 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_0c543b5d-2737-4184-a56b-d3f18539109c" xlink:to="loc_dei_EntityDomain_5da230ba-e7b9-4b2a-b20f-24b8c46bca82" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_8c2796d4-062a-48be-ad87-836fbd2aeeda" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_5da230ba-e7b9-4b2a-b20f-24b8c46bca82" xlink:to="loc_exc_CommonwealthEdisonCoMember_8c2796d4-062a-48be-ad87-836fbd2aeeda" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_0c8c0c40-3ddb-48dc-82df-f99e83c57512" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_5da230ba-e7b9-4b2a-b20f-24b8c46bca82" xlink:to="loc_exc_PecoEnergyCoMember_0c8c0c40-3ddb-48dc-82df-f99e83c57512" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_7528ddb9-c075-4bc0-990b-4761ddc2050f" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_5da230ba-e7b9-4b2a-b20f-24b8c46bca82" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_7528ddb9-c075-4bc0-990b-4761ddc2050f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_56ef02cc-6786-4daf-b65e-71d7d0a2d8d8" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_5da230ba-e7b9-4b2a-b20f-24b8c46bca82" xlink:to="loc_exc_PepcoHoldingsLLCMember_56ef02cc-6786-4daf-b65e-71d7d0a2d8d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_1e7a4518-9969-4762-9e05-a6f47610ea43" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_5da230ba-e7b9-4b2a-b20f-24b8c46bca82" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_1e7a4518-9969-4762-9e05-a6f47610ea43" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_39d516bc-664e-404a-a93c-e703f5204f53" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_5da230ba-e7b9-4b2a-b20f-24b8c46bca82" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_39d516bc-664e-404a-a93c-e703f5204f53" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_763762bc-1f21-46c1-b8f0-8ac61b329e1f" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_5da230ba-e7b9-4b2a-b20f-24b8c46bca82" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_763762bc-1f21-46c1-b8f0-8ac61b329e1f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_776447fb-f7d3-4633-9162-39cfeafb0a34" 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_6954e8c6-2bf9-47a3-94d2-4121ca94a285" xlink:to="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_776447fb-f7d3-4633-9162-39cfeafb0a34" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_889058da-dfdd-4269-85ff-847ff762c0f7" 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_776447fb-f7d3-4633-9162-39cfeafb0a34" xlink:to="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_889058da-dfdd-4269-85ff-847ff762c0f7" 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-20230331.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_0d8b178b-ec5a-4381-8d00-f2349ed84d77" 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_cc0b971a-509d-4f96-a09d-9241ae310c91" 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_0d8b178b-ec5a-4381-8d00-f2349ed84d77" xlink:to="loc_us-gaap_DerivativeTable_cc0b971a-509d-4f96-a09d-9241ae310c91" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_c86cf2a4-5905-40ed-83dd-adea6f232c9e" 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_cc0b971a-509d-4f96-a09d-9241ae310c91" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_c86cf2a4-5905-40ed-83dd-adea6f232c9e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_7a837e02-17a5-442c-a5a3-094cf6e87001" 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_c86cf2a4-5905-40ed-83dd-adea6f232c9e" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_7a837e02-17a5-442c-a5a3-094cf6e87001" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_a6f9ad0e-0dba-4e36-9002-b3a3a3dcf911" 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_7a837e02-17a5-442c-a5a3-094cf6e87001" xlink:to="loc_us-gaap_InterestRateSwapMember_a6f9ad0e-0dba-4e36-9002-b3a3a3dcf911" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateCapMember_de7d52e6-c68e-40fa-b584-b19a80e1a86e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestRateCapMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7a837e02-17a5-442c-a5a3-094cf6e87001" xlink:to="loc_us-gaap_InterestRateCapMember_de7d52e6-c68e-40fa-b584-b19a80e1a86e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateContractMember_76fb7944-b314-4ebc-a44d-48145d203fce" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestRateContractMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7a837e02-17a5-442c-a5a3-094cf6e87001" xlink:to="loc_us-gaap_InterestRateContractMember_76fb7944-b314-4ebc-a44d-48145d203fce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_InterestRateSwapNotional5YRMember_30e4b248-303c-49cd-a546-af9580903778" xlink:href="exc-20230331.xsd#exc_InterestRateSwapNotional5YRMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7a837e02-17a5-442c-a5a3-094cf6e87001" xlink:to="loc_exc_InterestRateSwapNotional5YRMember_30e4b248-303c-49cd-a546-af9580903778" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_InterestRateSwapNotional10YRMember_4bdb57a6-bb97-43d7-a597-e8d593d6ee0b" xlink:href="exc-20230331.xsd#exc_InterestRateSwapNotional10YRMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7a837e02-17a5-442c-a5a3-094cf6e87001" xlink:to="loc_exc_InterestRateSwapNotional10YRMember_4bdb57a6-bb97-43d7-a597-e8d593d6ee0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ConstantMaturityTreasuryInterestRateSwapsMember_3278d147-c55b-4937-a984-4ac2ad03c58c" xlink:href="exc-20230331.xsd#exc_ConstantMaturityTreasuryInterestRateSwapsMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7a837e02-17a5-442c-a5a3-094cf6e87001" xlink:to="loc_exc_ConstantMaturityTreasuryInterestRateSwapsMember_3278d147-c55b-4937-a984-4ac2ad03c58c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_InterestRateSwapTerminatedMember_69a0f0f5-9a00-49ea-ac97-1388be700415" xlink:href="exc-20230331.xsd#exc_InterestRateSwapTerminatedMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7a837e02-17a5-442c-a5a3-094cf6e87001" xlink:to="loc_exc_InterestRateSwapTerminatedMember_69a0f0f5-9a00-49ea-ac97-1388be700415" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_InterestRateCap18monthMember_855a6a46-2d38-49b9-ac32-e60447ef2428" xlink:href="exc-20230331.xsd#exc_InterestRateCap18monthMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7a837e02-17a5-442c-a5a3-094cf6e87001" xlink:to="loc_exc_InterestRateCap18monthMember_855a6a46-2d38-49b9-ac32-e60447ef2428" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_InterestRateCapNotional6monthMember_c7ab5e8f-1a07-4529-a84d-56a5d82f56b5" xlink:href="exc-20230331.xsd#exc_InterestRateCapNotional6monthMember"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7a837e02-17a5-442c-a5a3-094cf6e87001" xlink:to="loc_exc_InterestRateCapNotional6monthMember_c7ab5e8f-1a07-4529-a84d-56a5d82f56b5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_2b8e922f-e407-4fa1-9ff9-539ed67268b2" 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_cc0b971a-509d-4f96-a09d-9241ae310c91" xlink:to="loc_dei_LegalEntityAxis_2b8e922f-e407-4fa1-9ff9-539ed67268b2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_3a2e4fa0-f8ff-46c0-8247-f63c91b3aa1e" 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_2b8e922f-e407-4fa1-9ff9-539ed67268b2" xlink:to="loc_dei_EntityDomain_3a2e4fa0-f8ff-46c0-8247-f63c91b3aa1e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_bcd8d64a-cbe8-4ab3-bf3e-4e6ff8b53630" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3a2e4fa0-f8ff-46c0-8247-f63c91b3aa1e" xlink:to="loc_exc_CommonwealthEdisonCoMember_bcd8d64a-cbe8-4ab3-bf3e-4e6ff8b53630" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_6b6c326a-63fb-4b61-8268-cc94a14ada7f" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3a2e4fa0-f8ff-46c0-8247-f63c91b3aa1e" xlink:to="loc_exc_PecoEnergyCoMember_6b6c326a-63fb-4b61-8268-cc94a14ada7f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_26255110-bb14-40ea-9d75-680fbc6a012c" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3a2e4fa0-f8ff-46c0-8247-f63c91b3aa1e" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_26255110-bb14-40ea-9d75-680fbc6a012c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_47768cb9-3cae-4401-bf48-da255a328ca7" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3a2e4fa0-f8ff-46c0-8247-f63c91b3aa1e" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_47768cb9-3cae-4401-bf48-da255a328ca7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_ec033ddc-e67f-4b33-99a5-43679c4d3892" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3a2e4fa0-f8ff-46c0-8247-f63c91b3aa1e" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_ec033ddc-e67f-4b33-99a5-43679c4d3892" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_bd021761-b2b9-4bd1-b128-88baabc67035" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3a2e4fa0-f8ff-46c0-8247-f63c91b3aa1e" xlink:to="loc_exc_PepcoHoldingsLLCMember_bd021761-b2b9-4bd1-b128-88baabc67035" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_21798125-3b59-42a9-af1a-bb6e4ea1abf0" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3a2e4fa0-f8ff-46c0-8247-f63c91b3aa1e" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_21798125-3b59-42a9-af1a-bb6e4ea1abf0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_15bce8bf-e219-44de-9cfc-3e66bdebfb01" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_cc0b971a-509d-4f96-a09d-9241ae310c91" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_15bce8bf-e219-44de-9cfc-3e66bdebfb01" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_b6a39eac-5847-4d5b-be09-28ffb4ebb264" 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_15bce8bf-e219-44de-9cfc-3e66bdebfb01" xlink:to="loc_us-gaap_HedgingRelationshipDomain_b6a39eac-5847-4d5b-be09-28ffb4ebb264" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_bbae4c0a-35dc-431e-b770-4b019827f681" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashFlowHedgingMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingRelationshipDomain_b6a39eac-5847-4d5b-be09-28ffb4ebb264" xlink:to="loc_us-gaap_CashFlowHedgingMember_bbae4c0a-35dc-431e-b770-4b019827f681" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_fecc746b-50c9-4e1f-82c5-aa21a9f11112" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingRelationshipDomain_b6a39eac-5847-4d5b-be09-28ffb4ebb264" xlink:to="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_fecc746b-50c9-4e1f-82c5-aa21a9f11112" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_6a3ee08b-ceb7-4da0-8cab-adafce5ed705" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_cc0b971a-509d-4f96-a09d-9241ae310c91" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_6a3ee08b-ceb7-4da0-8cab-adafce5ed705" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_7644f2b9-23b4-49b8-a20c-2de0ee6a7c33" 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_6a3ee08b-ceb7-4da0-8cab-adafce5ed705" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_7644f2b9-23b4-49b8-a20c-2de0ee6a7c33" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_6884ffe7-0678-4213-a666-fa77f121f008" 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_7644f2b9-23b4-49b8-a20c-2de0ee6a7c33" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_6884ffe7-0678-4213-a666-fa77f121f008" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_91558f59-1c0c-4bf2-9ab9-c4579297efa7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingDesignationAxis"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_cc0b971a-509d-4f96-a09d-9241ae310c91" xlink:to="loc_us-gaap_HedgingDesignationAxis_91558f59-1c0c-4bf2-9ab9-c4579297efa7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_fab5c605-ba3f-43b2-ba6d-78997ba95b7e" 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_91558f59-1c0c-4bf2-9ab9-c4579297efa7" xlink:to="loc_us-gaap_HedgingDesignationDomain_fab5c605-ba3f-43b2-ba6d-78997ba95b7e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_78ad030c-9eae-4ff6-936f-654e10f0c5ef" 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_fab5c605-ba3f-43b2-ba6d-78997ba95b7e" xlink:to="loc_us-gaap_NondesignatedMember_78ad030c-9eae-4ff6-936f-654e10f0c5ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_0fa30fc5-98b9-4e16-a22a-9ea856a8a4c3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingDesignationDomain_fab5c605-ba3f-43b2-ba6d-78997ba95b7e" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_0fa30fc5-98b9-4e16-a22a-9ea856a8a4c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_dae500e6-c845-4039-88cc-38ae244ff19f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeAxis"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_cc0b971a-509d-4f96-a09d-9241ae310c91" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_dae500e6-c845-4039-88cc-38ae244ff19f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_8e2ed2b6-b659-4596-9193-5f7d1f161a14" 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_dae500e6-c845-4039-88cc-38ae244ff19f" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_8e2ed2b6-b659-4596-9193-5f7d1f161a14" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_bb2762e6-67be-4d72-a575-87deaf0f0f4e" 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_8e2ed2b6-b659-4596-9193-5f7d1f161a14" xlink:to="loc_us-gaap_SubsequentEventMember_bb2762e6-67be-4d72-a575-87deaf0f0f4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_96496a14-9eac-4d4a-9589-a865477a5090" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsAxis"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_cc0b971a-509d-4f96-a09d-9241ae310c91" xlink:to="loc_srt_ConsolidationItemsAxis_96496a14-9eac-4d4a-9589-a865477a5090" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_c39d22c9-b10c-4c1a-a2af-38f83dc94386" 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_96496a14-9eac-4d4a-9589-a865477a5090" xlink:to="loc_srt_ConsolidationItemsDomain_c39d22c9-b10c-4c1a-a2af-38f83dc94386" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_a00104d0-d84d-41ae-a39c-27439745fd7f" 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_c39d22c9-b10c-4c1a-a2af-38f83dc94386" xlink:to="loc_us-gaap_CorporateNonSegmentMember_a00104d0-d84d-41ae-a39c-27439745fd7f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_bc65d072-d461-4869-b21e-26ae75484e3f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentAxis"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_cc0b971a-509d-4f96-a09d-9241ae310c91" xlink:to="loc_us-gaap_DebtInstrumentAxis_bc65d072-d461-4869-b21e-26ae75484e3f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_328104d7-b061-4435-adec-5dd7ebd9b0bc" 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_bc65d072-d461-4869-b21e-26ae75484e3f" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_328104d7-b061-4435-adec-5dd7ebd9b0bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Notes515Mar2028Member_8edd76e6-b46e-4922-8a59-bc07232185c0" xlink:href="exc-20230331.xsd#exc_Notes515Mar2028Member"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_328104d7-b061-4435-adec-5dd7ebd9b0bc" xlink:to="loc_exc_Notes515Mar2028Member_8edd76e6-b46e-4922-8a59-bc07232185c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_503d966c-1e7f-4504-8316-fb2e0bae8635" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeAxis"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_cc0b971a-509d-4f96-a09d-9241ae310c91" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_503d966c-1e7f-4504-8316-fb2e0bae8635" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_9b2bf277-dee9-4a41-a068-900b661ed40e" 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_503d966c-1e7f-4504-8316-fb2e0bae8635" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_9b2bf277-dee9-4a41-a068-900b661ed40e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableToBanksMember_a8af2399-374a-433e-a2bb-db2ff2d8b934" 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_9b2bf277-dee9-4a41-a068-900b661ed40e" xlink:to="loc_us-gaap_NotesPayableToBanksMember_a8af2399-374a-433e-a2bb-db2ff2d8b934" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_7ed284eb-a846-475f-8331-05aa3a9e48c2" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeAxis"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_cc0b971a-509d-4f96-a09d-9241ae310c91" xlink:to="loc_srt_RangeAxis_7ed284eb-a846-475f-8331-05aa3a9e48c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_9bc8ff08-fb89-4d47-8b7a-928267e1efd1" 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_7ed284eb-a846-475f-8331-05aa3a9e48c2" xlink:to="loc_srt_RangeMember_9bc8ff08-fb89-4d47-8b7a-928267e1efd1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_d0937670-2719-4b03-8316-67d6a0ed8350" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MaximumMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_9bc8ff08-fb89-4d47-8b7a-928267e1efd1" xlink:to="loc_srt_MaximumMember_d0937670-2719-4b03-8316-67d6a0ed8350" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_2d2ce740-fbd3-43ee-9ffe-588cfbee4b30" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MinimumMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_9bc8ff08-fb89-4d47-8b7a-928267e1efd1" xlink:to="loc_srt_MinimumMember_2d2ce740-fbd3-43ee-9ffe-588cfbee4b30" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_a01ccd6c-256c-4707-af5f-97d6f9bd5c90" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeLineItems"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_cc0b971a-509d-4f96-a09d-9241ae310c91" xlink:to="loc_us-gaap_DerivativeLineItems_a01ccd6c-256c-4707-af5f-97d6f9bd5c90" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentMinimumEnergyVolumeRequired_d9147e94-aa80-46ac-a0e6-bbea900c1638" 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_a01ccd6c-256c-4707-af5f-97d6f9bd5c90" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentMinimumEnergyVolumeRequired_d9147e94-aa80-46ac-a0e6-bbea900c1638" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_IncrementalCollateralForLossOfInvestmentGradeCreditRating_6111883e-c8a1-42a5-91af-2cac5b7a244d" xlink:href="exc-20230331.xsd#exc_IncrementalCollateralForLossOfInvestmentGradeCreditRating"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_a01ccd6c-256c-4707-af5f-97d6f9bd5c90" xlink:to="loc_exc_IncrementalCollateralForLossOfInvestmentGradeCreditRating_6111883e-c8a1-42a5-91af-2cac5b7a244d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_d6b9a6d1-4962-40f4-a294-dbddc1bec80c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeNotionalAmount"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_a01ccd6c-256c-4707-af5f-97d6f9bd5c90" xlink:to="loc_us-gaap_DerivativeNotionalAmount_d6b9a6d1-4962-40f4-a294-dbddc1bec80c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeCashReceivedOnHedge_b0f42930-a6e2-4a62-b342-2bc278ff8faf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeCashReceivedOnHedge"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_a01ccd6c-256c-4707-af5f-97d6f9bd5c90" xlink:to="loc_us-gaap_DerivativeCashReceivedOnHedge_b0f42930-a6e2-4a62-b342-2bc278ff8faf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_bb85e682-0a4c-44dc-bdbc-e8f93ef8a937" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_a01ccd6c-256c-4707-af5f-97d6f9bd5c90" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_bb85e682-0a4c-44dc-bdbc-e8f93ef8a937" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CashCollateralPosted_9997c9d1-9219-4803-855d-a7b9eaf856fe" xlink:href="exc-20230331.xsd#exc_CashCollateralPosted"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_a01ccd6c-256c-4707-af5f-97d6f9bd5c90" xlink:to="loc_exc_CashCollateralPosted_9997c9d1-9219-4803-855d-a7b9eaf856fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_4252dd44-2ab5-40a3-a178-f2f74ec9f978" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentFaceAmount"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_a01ccd6c-256c-4707-af5f-97d6f9bd5c90" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_4252dd44-2ab5-40a3-a178-f2f74ec9f978" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EstimatedPercentOfGasPurchasesBeingHedged_d1f9fb7f-18ca-4e50-9241-62c581f9f742" xlink:href="exc-20230331.xsd#exc_EstimatedPercentOfGasPurchasesBeingHedged"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_a01ccd6c-256c-4707-af5f-97d6f9bd5c90" xlink:to="loc_exc_EstimatedPercentOfGasPurchasesBeingHedged_d1f9fb7f-18ca-4e50-9241-62c581f9f742" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/DerivativeFinancialInstrumentsSummaryofInterestRateHedgeBalancesDetails" xlink:type="simple" xlink:href="exc-20230331.xsd#DerivativeFinancialInstrumentsSummaryofInterestRateHedgeBalancesDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/DerivativeFinancialInstrumentsSummaryofInterestRateHedgeBalancesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_da3c54a4-040a-459c-986f-ab4c4e3d33f2" 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_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_f1d00895-c684-4d22-a0e2-228baa496553" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_da3c54a4-040a-459c-986f-ab4c4e3d33f2" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_f1d00895-c684-4d22-a0e2-228baa496553" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_c7e9696d-e0c9-4a36-90f4-f3bff2deda48" 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_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_f1d00895-c684-4d22-a0e2-228baa496553" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_c7e9696d-e0c9-4a36-90f4-f3bff2deda48" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_58fe5c03-dadf-47c0-9f6b-9e9b641fcdc7" 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_c7e9696d-e0c9-4a36-90f4-f3bff2deda48" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_58fe5c03-dadf-47c0-9f6b-9e9b641fcdc7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateContractMember_6abc9825-4b33-4060-a289-7d0b1eed4042" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestRateContractMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_58fe5c03-dadf-47c0-9f6b-9e9b641fcdc7" xlink:to="loc_us-gaap_InterestRateContractMember_6abc9825-4b33-4060-a289-7d0b1eed4042" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_068328ff-4dc3-4e8d-ad05-34c08cf0c465" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingDesignationAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_f1d00895-c684-4d22-a0e2-228baa496553" xlink:to="loc_us-gaap_HedgingDesignationAxis_068328ff-4dc3-4e8d-ad05-34c08cf0c465" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_d3a607f5-bb40-400d-aea2-fccc30ceec95" 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_068328ff-4dc3-4e8d-ad05-34c08cf0c465" xlink:to="loc_us-gaap_HedgingDesignationDomain_d3a607f5-bb40-400d-aea2-fccc30ceec95" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_79eec47b-c58b-45cc-8a56-c73a688b1ac2" 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_us-gaap_HedgingDesignationDomain_d3a607f5-bb40-400d-aea2-fccc30ceec95" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_79eec47b-c58b-45cc-8a56-c73a688b1ac2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_c7d83cef-6a39-424f-839b-2c3124bdb2ac" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NondesignatedMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingDesignationDomain_d3a607f5-bb40-400d-aea2-fccc30ceec95" xlink:to="loc_us-gaap_NondesignatedMember_c7d83cef-6a39-424f-839b-2c3124bdb2ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_7ba08aba-467a-4d80-bd2b-441c99a9af6a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_f1d00895-c684-4d22-a0e2-228baa496553" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_7ba08aba-467a-4d80-bd2b-441c99a9af6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsNoncurrent_8804a7a8-c550-4539-82cd-070d16560ea5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeAssetsNoncurrent"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_7ba08aba-467a-4d80-bd2b-441c99a9af6a" xlink:to="loc_us-gaap_DerivativeAssetsNoncurrent_8804a7a8-c550-4539-82cd-070d16560ea5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_79fad13a-20f3-4514-942d-1280267f4deb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeAssets"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_7ba08aba-467a-4d80-bd2b-441c99a9af6a" xlink:to="loc_us-gaap_DerivativeAssets_79fad13a-20f3-4514-942d-1280267f4deb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_fab48f50-0252-43ce-b628-fde0f3c0105e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeLiabilitiesCurrent"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_7ba08aba-467a-4d80-bd2b-441c99a9af6a" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_fab48f50-0252-43ce-b628-fde0f3c0105e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_d10e115e-38ad-4920-a77b-68e5c8cd157f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeLiabilitiesNoncurrent"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_7ba08aba-467a-4d80-bd2b-441c99a9af6a" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_d10e115e-38ad-4920-a77b-68e5c8cd157f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_ba5f7400-6c2d-4437-b094-d9f374957145" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeLiabilities"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_7ba08aba-467a-4d80-bd2b-441c99a9af6a" xlink:to="loc_us-gaap_DerivativeLiabilities_ba5f7400-6c2d-4437-b094-d9f374957145" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_1b1121ca-a261-45ba-b5a7-3817820fbca8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeFairValueOfDerivativeNet"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_7ba08aba-467a-4d80-bd2b-441c99a9af6a" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeNet_1b1121ca-a261-45ba-b5a7-3817820fbca8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/DerivativeFinancialInstrumentsSummaryofEconomicHedgesDetails" xlink:type="simple" xlink:href="exc-20230331.xsd#DerivativeFinancialInstrumentsSummaryofEconomicHedgesDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/DerivativeFinancialInstrumentsSummaryofEconomicHedgesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_bbd8fa5c-a9ce-4ae9-9648-c042534e824b" 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_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_1223d6df-408a-483c-9d82-282321319085" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_bbd8fa5c-a9ce-4ae9-9648-c042534e824b" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_1223d6df-408a-483c-9d82-282321319085" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_ef0b1850-7173-4d76-bc6d-50e86ebe652f" 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_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_1223d6df-408a-483c-9d82-282321319085" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_ef0b1850-7173-4d76-bc6d-50e86ebe652f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_eb834a8f-9cd1-4775-917d-06e1ee48e0ed" 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_ef0b1850-7173-4d76-bc6d-50e86ebe652f" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_eb834a8f-9cd1-4775-917d-06e1ee48e0ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateCapMember_cae082e8-af77-4ef3-8fc2-7c697ce26d1c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestRateCapMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_eb834a8f-9cd1-4775-917d-06e1ee48e0ed" xlink:to="loc_us-gaap_InterestRateCapMember_cae082e8-af77-4ef3-8fc2-7c697ce26d1c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_834f82e1-3c99-4edc-a5b1-b8791172ea66" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_1223d6df-408a-483c-9d82-282321319085" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_834f82e1-3c99-4edc-a5b1-b8791172ea66" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_ea338475-87ed-41c1-a284-fc5d48003456" 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_834f82e1-3c99-4edc-a5b1-b8791172ea66" xlink:to="loc_us-gaap_HedgingRelationshipDomain_ea338475-87ed-41c1-a284-fc5d48003456" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_5e1382c5-222a-4a13-8311-23def45632dd" 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_HedgingRelationshipDomain_ea338475-87ed-41c1-a284-fc5d48003456" xlink:to="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_5e1382c5-222a-4a13-8311-23def45632dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_b1b7bec5-2d98-42b4-b277-321d5f59288a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementLocationAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_1223d6df-408a-483c-9d82-282321319085" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_b1b7bec5-2d98-42b4-b277-321d5f59288a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_5490db03-2353-49e5-9c50-336012698e08" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementLocationDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_b1b7bec5-2d98-42b4-b277-321d5f59288a" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_5490db03-2353-49e5-9c50-336012698e08" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ElectricOperatingRevenuesMember_b01cafaa-95ca-4c8a-b1a6-f0c2eb6a7484" xlink:href="exc-20230331.xsd#exc_ElectricOperatingRevenuesMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_5490db03-2353-49e5-9c50-336012698e08" xlink:to="loc_exc_ElectricOperatingRevenuesMember_b01cafaa-95ca-4c8a-b1a6-f0c2eb6a7484" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseMember_4dbc739e-106b-4266-b9aa-5f4b3a351dbe" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestExpenseMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_5490db03-2353-49e5-9c50-336012698e08" xlink:to="loc_us-gaap_InterestExpenseMember_4dbc739e-106b-4266-b9aa-5f4b3a351dbe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_56896d51-feaf-4d6c-8977-0bd30bb544b6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_1223d6df-408a-483c-9d82-282321319085" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_56896d51-feaf-4d6c-8977-0bd30bb544b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_74a904a0-b5ac-449b-8d9b-1952cb428a0f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_UnrealizedGainLossOnDerivatives"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_56896d51-feaf-4d6c-8977-0bd30bb544b6" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_74a904a0-b5ac-449b-8d9b-1952cb428a0f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/DerivativeFinancialInstrumentsSummaryofCounterpartyCollateralDetails" xlink:type="simple" xlink:href="exc-20230331.xsd#DerivativeFinancialInstrumentsSummaryofCounterpartyCollateralDetails"/>
<link:presentationLink xlink:role="http://www.exeloncorp.com/role/DerivativeFinancialInstrumentsSummaryofCounterpartyCollateralDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_35cf83bd-3216-498f-9b44-46bc9e4f0671" 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_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_209de301-16ea-4525-a0f7-3e59081b23fe" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_35cf83bd-3216-498f-9b44-46bc9e4f0671" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_209de301-16ea-4525-a0f7-3e59081b23fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_ad38b6df-e7b5-4999-a38e-4905a0da35b6" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CounterpartyNameAxis"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_209de301-16ea-4525-a0f7-3e59081b23fe" xlink:to="loc_srt_CounterpartyNameAxis_ad38b6df-e7b5-4999-a38e-4905a0da35b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_7c0e38da-1150-40a6-be37-f62c13581ac3" 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_ad38b6df-e7b5-4999-a38e-4905a0da35b6" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_7c0e38da-1150-40a6-be37-f62c13581ac3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExternalCounterpartiesMember_fb1deeae-e6f3-4e4a-b211-0566817a219f" xlink:href="exc-20230331.xsd#exc_ExternalCounterpartiesMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_7c0e38da-1150-40a6-be37-f62c13581ac3" xlink:to="loc_exc_ExternalCounterpartiesMember_fb1deeae-e6f3-4e4a-b211-0566817a219f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_b04ac1d6-9d89-4646-8314-420ab92328ff" 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_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_209de301-16ea-4525-a0f7-3e59081b23fe" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_b04ac1d6-9d89-4646-8314-420ab92328ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_d9b623e6-8355-4740-a7f5-79b2df82a78b" 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_b04ac1d6-9d89-4646-8314-420ab92328ff" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_d9b623e6-8355-4740-a7f5-79b2df82a78b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommodityContractMember_ea833e13-db47-40ab-8ef8-c7dd919ba893" 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_d9b623e6-8355-4740-a7f5-79b2df82a78b" xlink:to="loc_us-gaap_CommodityContractMember_ea833e13-db47-40ab-8ef8-c7dd919ba893" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_52fa806c-8838-482c-ae18-9691f3b53842" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_209de301-16ea-4525-a0f7-3e59081b23fe" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_52fa806c-8838-482c-ae18-9691f3b53842" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_33102f52-0a27-4cf3-a5a9-ca97371b5527" 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_52fa806c-8838-482c-ae18-9691f3b53842" xlink:to="loc_us-gaap_HedgingRelationshipDomain_33102f52-0a27-4cf3-a5a9-ca97371b5527" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CollateralMember_1fee0d36-8f01-4187-aafb-5af98bec8a2a" xlink:href="exc-20230331.xsd#exc_CollateralMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingRelationshipDomain_33102f52-0a27-4cf3-a5a9-ca97371b5527" xlink:to="loc_exc_CollateralMember_1fee0d36-8f01-4187-aafb-5af98bec8a2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_0195da17-4393-4023-acce-9ffdafb9b674" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_209de301-16ea-4525-a0f7-3e59081b23fe" xlink:to="loc_dei_LegalEntityAxis_0195da17-4393-4023-acce-9ffdafb9b674" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_6010e4dc-d14d-4df0-9214-c74fdadc37bb" 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_0195da17-4393-4023-acce-9ffdafb9b674" xlink:to="loc_dei_EntityDomain_6010e4dc-d14d-4df0-9214-c74fdadc37bb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_eff47099-41f9-4561-91eb-acfad8d9f47b" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6010e4dc-d14d-4df0-9214-c74fdadc37bb" xlink:to="loc_exc_CommonwealthEdisonCoMember_eff47099-41f9-4561-91eb-acfad8d9f47b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_6e95b860-f7bf-448e-b1ac-029292ab0c99" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6010e4dc-d14d-4df0-9214-c74fdadc37bb" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_6e95b860-f7bf-448e-b1ac-029292ab0c99" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_a9c2fd86-de1d-4039-bc41-463c7fabb948" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6010e4dc-d14d-4df0-9214-c74fdadc37bb" xlink:to="loc_exc_PepcoHoldingsLLCMember_a9c2fd86-de1d-4039-bc41-463c7fabb948" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_d7a8fb60-84ba-4353-973e-1ab419bb31ae" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6010e4dc-d14d-4df0-9214-c74fdadc37bb" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_d7a8fb60-84ba-4353-973e-1ab419bb31ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_ae10a403-089b-44a4-b1ca-d6ff54951dbd" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6010e4dc-d14d-4df0-9214-c74fdadc37bb" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_ae10a403-089b-44a4-b1ca-d6ff54951dbd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_032397e7-1515-44db-b26e-c164d2e4df11" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6010e4dc-d14d-4df0-9214-c74fdadc37bb" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_032397e7-1515-44db-b26e-c164d2e4df11" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_9d19913f-2e04-4be9-a377-08b6ce3a83c7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_209de301-16ea-4525-a0f7-3e59081b23fe" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_9d19913f-2e04-4be9-a377-08b6ce3a83c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_9d9df260-f9e3-4760-8996-d4eed30a414b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherLiabilitiesCurrent"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_9d19913f-2e04-4be9-a377-08b6ce3a83c7" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_9d9df260-f9e3-4760-8996-d4eed30a414b" 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-20230331.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_5f143cde-118f-4475-810b-daa8fa281073" 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_f4d3e5f3-9909-4acc-9557-e8302060ed6a" 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_5f143cde-118f-4475-810b-daa8fa281073" xlink:to="loc_us-gaap_ScheduleOfShortTermDebtTable_f4d3e5f3-9909-4acc-9557-e8302060ed6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_ccc3e821-bd20-40fe-bac6-2f79a68bb77e" 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_f4d3e5f3-9909-4acc-9557-e8302060ed6a" xlink:to="loc_us-gaap_CreditFacilityAxis_ccc3e821-bd20-40fe-bac6-2f79a68bb77e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_d741bb7f-939e-45cd-8a7a-34ffeeb35ba5" 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_ccc3e821-bd20-40fe-bac6-2f79a68bb77e" xlink:to="loc_us-gaap_CreditFacilityDomain_d741bb7f-939e-45cd-8a7a-34ffeeb35ba5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_42dd6ef6-bd5c-4d70-9180-8a4676393cb9" 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_d741bb7f-939e-45cd-8a7a-34ffeeb35ba5" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_42dd6ef6-bd5c-4d70-9180-8a4676393cb9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LetterOfCreditMember_6d2b205f-16d5-4788-b6dc-e6163c07d8de" 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_d741bb7f-939e-45cd-8a7a-34ffeeb35ba5" xlink:to="loc_us-gaap_LetterOfCreditMember_6d2b205f-16d5-4788-b6dc-e6163c07d8de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_fadff29b-48ae-48f7-91b8-548e59ed4b31" 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_ScheduleOfShortTermDebtTable_f4d3e5f3-9909-4acc-9557-e8302060ed6a" xlink:to="loc_dei_LegalEntityAxis_fadff29b-48ae-48f7-91b8-548e59ed4b31" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_2fdb31cf-3dca-4020-90cb-243d5cda6333" 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_fadff29b-48ae-48f7-91b8-548e59ed4b31" xlink:to="loc_dei_EntityDomain_2fdb31cf-3dca-4020-90cb-243d5cda6333" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_c5fff087-0de3-4671-821d-4c1f8d3261f2" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2fdb31cf-3dca-4020-90cb-243d5cda6333" xlink:to="loc_exc_CommonwealthEdisonCoMember_c5fff087-0de3-4671-821d-4c1f8d3261f2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_08637a1e-9c25-437c-9298-881b2154264c" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2fdb31cf-3dca-4020-90cb-243d5cda6333" xlink:to="loc_exc_PecoEnergyCoMember_08637a1e-9c25-437c-9298-881b2154264c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_db56bfdb-ebdb-4961-bc3d-d31ef5fdb2ae" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2fdb31cf-3dca-4020-90cb-243d5cda6333" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_db56bfdb-ebdb-4961-bc3d-d31ef5fdb2ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_ba9afecd-a04e-4209-9014-9601a7092e33" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2fdb31cf-3dca-4020-90cb-243d5cda6333" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_ba9afecd-a04e-4209-9014-9601a7092e33" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_fb2b22bb-e430-4200-840d-6d9d13755762" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2fdb31cf-3dca-4020-90cb-243d5cda6333" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_fb2b22bb-e430-4200-840d-6d9d13755762" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_e62a3011-a318-414c-bbbd-a1dfc7212484" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2fdb31cf-3dca-4020-90cb-243d5cda6333" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_e62a3011-a318-414c-bbbd-a1dfc7212484" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_9459617d-c4f5-466a-9268-4a8a25e00beb" 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_ScheduleOfShortTermDebtTable_f4d3e5f3-9909-4acc-9557-e8302060ed6a" xlink:to="loc_srt_ConsolidationItemsAxis_9459617d-c4f5-466a-9268-4a8a25e00beb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_efee4c9c-a14b-489a-bde9-b5e43c71b84b" 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_9459617d-c4f5-466a-9268-4a8a25e00beb" xlink:to="loc_srt_ConsolidationItemsDomain_efee4c9c-a14b-489a-bde9-b5e43c71b84b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_1c29ce2d-7ad7-4f1e-b3c1-b7e68a3ca841" 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_efee4c9c-a14b-489a-bde9-b5e43c71b84b" xlink:to="loc_us-gaap_CorporateNonSegmentMember_1c29ce2d-7ad7-4f1e-b3c1-b7e68a3ca841" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_d4c66178-044c-46a9-8b2b-1bf98c3840d4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentAxis"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_f4d3e5f3-9909-4acc-9557-e8302060ed6a" xlink:to="loc_us-gaap_DebtInstrumentAxis_d4c66178-044c-46a9-8b2b-1bf98c3840d4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_0896cef8-703e-43c8-976d-e23ee5fb47f5" 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_d4c66178-044c-46a9-8b2b-1bf98c3840d4" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_0896cef8-703e-43c8-976d-e23ee5fb47f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ShortTermDebt03232017Member_b1681909-6a00-4a2a-b198-36d57ea613e6" xlink:href="exc-20230331.xsd#exc_ShortTermDebt03232017Member"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0896cef8-703e-43c8-976d-e23ee5fb47f5" xlink:to="loc_exc_ShortTermDebt03232017Member_b1681909-6a00-4a2a-b198-36d57ea613e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ShortTermDebt03142023Member_5311333c-0a55-4adb-badb-ea43807a7660" xlink:href="exc-20230331.xsd#exc_ShortTermDebt03142023Member"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0896cef8-703e-43c8-976d-e23ee5fb47f5" xlink:to="loc_exc_ShortTermDebt03142023Member_5311333c-0a55-4adb-badb-ea43807a7660" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ShortTermDebt03242023Member_29c84360-691a-4eb5-9f21-f5d12c6aba70" xlink:href="exc-20230331.xsd#exc_ShortTermDebt03242023Member"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0896cef8-703e-43c8-976d-e23ee5fb47f5" xlink:to="loc_exc_ShortTermDebt03242023Member_29c84360-691a-4eb5-9f21-f5d12c6aba70" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ShortTermDebtSOFRplus075Oct2023Member_ed1478f8-9bdb-498e-b10f-036e1d8ded48" xlink:href="exc-20230331.xsd#exc_ShortTermDebtSOFRplus075Oct2023Member"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0896cef8-703e-43c8-976d-e23ee5fb47f5" xlink:to="loc_exc_ShortTermDebtSOFRplus075Oct2023Member_ed1478f8-9bdb-498e-b10f-036e1d8ded48" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FMB490Feb2033Member_1c61e063-440f-4ce6-8384-405adf301b6e" xlink:href="exc-20230331.xsd#exc_FMB490Feb2033Member"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0896cef8-703e-43c8-976d-e23ee5fb47f5" xlink:to="loc_exc_FMB490Feb2033Member_1c61e063-440f-4ce6-8384-405adf301b6e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FMB530Feb2053Member_fa709177-ffc2-4d3e-a293-34317aa2ce15" xlink:href="exc-20230331.xsd#exc_FMB530Feb2053Member"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0896cef8-703e-43c8-976d-e23ee5fb47f5" xlink:to="loc_exc_FMB530Feb2053Member_fa709177-ffc2-4d3e-a293-34317aa2ce15" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_c4dd0dfc-bd7f-4d1b-9443-243897802daf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VariableRateAxis"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_f4d3e5f3-9909-4acc-9557-e8302060ed6a" xlink:to="loc_us-gaap_VariableRateAxis_c4dd0dfc-bd7f-4d1b-9443-243897802daf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_595f0d19-2510-4e9f-aea2-9c48ead644b5" 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_c4dd0dfc-bd7f-4d1b-9443-243897802daf" xlink:to="loc_us-gaap_VariableRateDomain_595f0d19-2510-4e9f-aea2-9c48ead644b5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_5aa23b47-fb3e-46c7-bfe5-ca1017b1b6b9" 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_595f0d19-2510-4e9f-aea2-9c48ead644b5" xlink:to="loc_us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_5aa23b47-fb3e-46c7-bfe5-ca1017b1b6b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_815d7189-667f-4755-a2aa-ca2fa03be1b4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_595f0d19-2510-4e9f-aea2-9c48ead644b5" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_815d7189-667f-4755-a2aa-ca2fa03be1b4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_99d19ea9-f1c4-4e71-94c0-e9a829ad781a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeAxis"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_f4d3e5f3-9909-4acc-9557-e8302060ed6a" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_99d19ea9-f1c4-4e71-94c0-e9a829ad781a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_42b9514b-5550-4646-aaca-2e81283802a5" 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_99d19ea9-f1c4-4e71-94c0-e9a829ad781a" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_42b9514b-5550-4646-aaca-2e81283802a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FirstMortgageMember_5e35de85-8a20-4453-aa8e-96135445bd58" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FirstMortgageMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_42b9514b-5550-4646-aaca-2e81283802a5" xlink:to="loc_us-gaap_FirstMortgageMember_5e35de85-8a20-4453-aa8e-96135445bd58" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtLineItems_2addadeb-396c-438a-bff8-ce0a05bcb05b" 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_f4d3e5f3-9909-4acc-9557-e8302060ed6a" xlink:to="loc_us-gaap_ShortTermDebtLineItems_2addadeb-396c-438a-bff8-ce0a05bcb05b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod_126d7860-4638-464b-bdb2-20fb69508d51" 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_2addadeb-396c-438a-bff8-ce0a05bcb05b" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod_126d7860-4638-464b-bdb2-20fb69508d51" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_aa183b91-6278-48cd-af99-3d449acc5f7d" 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_2addadeb-396c-438a-bff8-ce0a05bcb05b" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_aa183b91-6278-48cd-af99-3d449acc5f7d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBankLoansAndNotesPayable_09172da7-1446-4314-b853-7f4e03b8cfc6" 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_2addadeb-396c-438a-bff8-ce0a05bcb05b" xlink:to="loc_us-gaap_ShortTermBankLoansAndNotesPayable_09172da7-1446-4314-b853-7f4e03b8cfc6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateTerms_3b21eb5d-461f-4009-941e-df9b32e38bfd" 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_2addadeb-396c-438a-bff8-ce0a05bcb05b" xlink:to="loc_us-gaap_DebtInstrumentInterestRateTerms_3b21eb5d-461f-4009-941e-df9b32e38bfd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_f96e95f8-0b33-48b1-90a4-81e7e5102660" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentFaceAmount"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_2addadeb-396c-438a-bff8-ce0a05bcb05b" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_f96e95f8-0b33-48b1-90a4-81e7e5102660" 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-20230331.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_3e891948-635f-413a-b0ae-3878fddc23cf" 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_43703ced-75a7-46b5-9fc9-9432684fecd2" 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_3e891948-635f-413a-b0ae-3878fddc23cf" xlink:to="loc_us-gaap_ScheduleOfShortTermDebtTable_43703ced-75a7-46b5-9fc9-9432684fecd2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_f3804cf7-a10d-4b31-92a5-2d848d2c015e" 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_43703ced-75a7-46b5-9fc9-9432684fecd2" xlink:to="loc_dei_LegalEntityAxis_f3804cf7-a10d-4b31-92a5-2d848d2c015e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_794199f3-cda5-4f9f-9e64-29e397b7b518" 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_f3804cf7-a10d-4b31-92a5-2d848d2c015e" xlink:to="loc_dei_EntityDomain_794199f3-cda5-4f9f-9e64-29e397b7b518" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_923e3407-9227-4a96-9365-f3b53d8e5b7c" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_794199f3-cda5-4f9f-9e64-29e397b7b518" xlink:to="loc_exc_CommonwealthEdisonCoMember_923e3407-9227-4a96-9365-f3b53d8e5b7c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_96b084e1-7131-4ce7-a2b3-b108e9d2c582" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_794199f3-cda5-4f9f-9e64-29e397b7b518" xlink:to="loc_exc_PecoEnergyCoMember_96b084e1-7131-4ce7-a2b3-b108e9d2c582" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_ff446e17-23a4-49cf-a738-62c1939a243f" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_794199f3-cda5-4f9f-9e64-29e397b7b518" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_ff446e17-23a4-49cf-a738-62c1939a243f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_d237d9e5-47e0-40f1-8aa3-1721214cfc68" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_794199f3-cda5-4f9f-9e64-29e397b7b518" xlink:to="loc_exc_PepcoHoldingsLLCMember_d237d9e5-47e0-40f1-8aa3-1721214cfc68" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_a668baf7-3a43-4136-80a2-c215770dad88" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_794199f3-cda5-4f9f-9e64-29e397b7b518" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_a668baf7-3a43-4136-80a2-c215770dad88" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_6fa9d24b-1e6d-4964-92a9-4eab0c4acf6d" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_794199f3-cda5-4f9f-9e64-29e397b7b518" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_6fa9d24b-1e6d-4964-92a9-4eab0c4acf6d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_7c0a71b1-a866-4b0d-9674-9cdbf34c27c7" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_794199f3-cda5-4f9f-9e64-29e397b7b518" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_7c0a71b1-a866-4b0d-9674-9cdbf34c27c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_d04076a4-49a3-458b-a397-7378a894362f" 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_43703ced-75a7-46b5-9fc9-9432684fecd2" xlink:to="loc_srt_ConsolidationItemsAxis_d04076a4-49a3-458b-a397-7378a894362f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_19593330-9ed1-4fd7-8dd1-d8b02315923e" 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_d04076a4-49a3-458b-a397-7378a894362f" xlink:to="loc_srt_ConsolidationItemsDomain_19593330-9ed1-4fd7-8dd1-d8b02315923e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_f9c995b3-12e3-4a28-a92c-591f6ece702c" 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_19593330-9ed1-4fd7-8dd1-d8b02315923e" xlink:to="loc_us-gaap_CorporateNonSegmentMember_f9c995b3-12e3-4a28-a92c-591f6ece702c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis_e459549a-31aa-41d5-8cc6-af2f376b73cd" 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_43703ced-75a7-46b5-9fc9-9432684fecd2" xlink:to="loc_us-gaap_ShortTermDebtTypeAxis_e459549a-31aa-41d5-8cc6-af2f376b73cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_5de9697a-20f6-41cb-a6f1-7855cc2f8d51" 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_e459549a-31aa-41d5-8cc6-af2f376b73cd" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_5de9697a-20f6-41cb-a6f1-7855cc2f8d51" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaperMember_2d82db3a-c9d5-4167-a015-04e7c9920620" 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_5de9697a-20f6-41cb-a6f1-7855cc2f8d51" xlink:to="loc_us-gaap_CommercialPaperMember_2d82db3a-c9d5-4167-a015-04e7c9920620" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtLineItems_20002cff-01a8-46bb-b37c-32197e125e3b" 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_43703ced-75a7-46b5-9fc9-9432684fecd2" xlink:to="loc_us-gaap_ShortTermDebtLineItems_20002cff-01a8-46bb-b37c-32197e125e3b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaper_fc952536-b399-49c5-9cbc-afa628794c55" 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_20002cff-01a8-46bb-b37c-32197e125e3b" xlink:to="loc_us-gaap_CommercialPaper_fc952536-b399-49c5-9cbc-afa628794c55" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtWeightedAverageInterestRate_e6801471-c749-4154-8fab-0cd9ddeb53da" 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_20002cff-01a8-46bb-b37c-32197e125e3b" xlink:to="loc_us-gaap_ShortTermDebtWeightedAverageInterestRate_e6801471-c749-4154-8fab-0cd9ddeb53da" 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-20230331.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_397458cf-4bf2-473f-9dd3-5e4453455015" 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_8c727cf1-8dd4-4d09-a0ef-4c1ed97cace5" 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_397458cf-4bf2-473f-9dd3-5e4453455015" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_8c727cf1-8dd4-4d09-a0ef-4c1ed97cace5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_e8680b59-9f6c-4fb0-9012-34597d10485b" 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_8c727cf1-8dd4-4d09-a0ef-4c1ed97cace5" xlink:to="loc_srt_ConsolidationItemsAxis_e8680b59-9f6c-4fb0-9012-34597d10485b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_3679c8ab-6277-44b4-9193-8423f3e5f43b" 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_e8680b59-9f6c-4fb0-9012-34597d10485b" xlink:to="loc_srt_ConsolidationItemsDomain_3679c8ab-6277-44b4-9193-8423f3e5f43b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_2dbc2086-5a53-453e-a2fc-d72c0f40f1ae" 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_3679c8ab-6277-44b4-9193-8423f3e5f43b" xlink:to="loc_us-gaap_CorporateNonSegmentMember_2dbc2086-5a53-453e-a2fc-d72c0f40f1ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_da5757f2-d018-47be-ba59-0dbf49120dcc" 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_8c727cf1-8dd4-4d09-a0ef-4c1ed97cace5" xlink:to="loc_us-gaap_CreditFacilityAxis_da5757f2-d018-47be-ba59-0dbf49120dcc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_9e67269d-c1a2-48d8-b6f4-45b0f8116dca" 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_da5757f2-d018-47be-ba59-0dbf49120dcc" xlink:to="loc_us-gaap_CreditFacilityDomain_9e67269d-c1a2-48d8-b6f4-45b0f8116dca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_d0ff0dd7-5c3c-4959-a388-f4545c6ad14e" 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_9e67269d-c1a2-48d8-b6f4-45b0f8116dca" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_d0ff0dd7-5c3c-4959-a388-f4545c6ad14e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_7299c1f5-9d02-4679-a487-553621932747" 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_8c727cf1-8dd4-4d09-a0ef-4c1ed97cace5" xlink:to="loc_dei_LegalEntityAxis_7299c1f5-9d02-4679-a487-553621932747" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_3b903448-5be7-407c-9203-594e8c23914f" 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_7299c1f5-9d02-4679-a487-553621932747" xlink:to="loc_dei_EntityDomain_3b903448-5be7-407c-9203-594e8c23914f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_370180cd-aae1-44a9-90fa-c947a6dc8b89" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3b903448-5be7-407c-9203-594e8c23914f" xlink:to="loc_exc_CommonwealthEdisonCoMember_370180cd-aae1-44a9-90fa-c947a6dc8b89" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_2986a35f-d433-47ad-8e32-d23f92e56a14" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3b903448-5be7-407c-9203-594e8c23914f" xlink:to="loc_exc_PecoEnergyCoMember_2986a35f-d433-47ad-8e32-d23f92e56a14" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_5a25f49e-96cd-47bc-bee2-0d2f7fc39498" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3b903448-5be7-407c-9203-594e8c23914f" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_5a25f49e-96cd-47bc-bee2-0d2f7fc39498" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_99f6dec5-732a-4873-86a2-adbe85e41a88" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3b903448-5be7-407c-9203-594e8c23914f" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_99f6dec5-732a-4873-86a2-adbe85e41a88" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_dcf5fdb2-1e46-4c62-b413-6ebe9776daba" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3b903448-5be7-407c-9203-594e8c23914f" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_dcf5fdb2-1e46-4c62-b413-6ebe9776daba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_183c36db-7a1f-41e2-b1ad-1b6353001b49" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3b903448-5be7-407c-9203-594e8c23914f" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_183c36db-7a1f-41e2-b1ad-1b6353001b49" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_a96b0b47-c89a-426d-9027-1a26209a6d9b" 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_8c727cf1-8dd4-4d09-a0ef-4c1ed97cace5" xlink:to="loc_us-gaap_VariableRateAxis_a96b0b47-c89a-426d-9027-1a26209a6d9b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_988f3ac9-0b58-4636-bd18-7bd02c09906b" 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_a96b0b47-c89a-426d-9027-1a26209a6d9b" xlink:to="loc_us-gaap_VariableRateDomain_988f3ac9-0b58-4636-bd18-7bd02c09906b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_a93e64e4-7200-4f47-8120-e3072ef5e538" 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_988f3ac9-0b58-4636-bd18-7bd02c09906b" xlink:to="loc_us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_a93e64e4-7200-4f47-8120-e3072ef5e538" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_d3282539-7272-4ece-b68e-73265bf845da" 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_8c727cf1-8dd4-4d09-a0ef-4c1ed97cace5" xlink:to="loc_us-gaap_LineOfCreditFacilityLineItems_d3282539-7272-4ece-b68e-73265bf845da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_a7da002c-75c3-4460-a4bb-0b8aa50964c8" 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_d3282539-7272-4ece-b68e-73265bf845da" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_a7da002c-75c3-4460-a4bb-0b8aa50964c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_ae12658e-05df-4cd3-8870-c1010a33f5de" 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_d3282539-7272-4ece-b68e-73265bf845da" xlink:to="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_ae12658e-05df-4cd3-8870-c1010a33f5de" 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-20230331.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_d84e2e25-c58d-4d7c-9fd1-60e63a96f7b6" 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_e8780760-eedf-4428-b262-3975c33c3dc8" 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_d84e2e25-c58d-4d7c-9fd1-60e63a96f7b6" xlink:to="loc_us-gaap_DebtInstrumentTable_e8780760-eedf-4428-b262-3975c33c3dc8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_724c793b-0257-487b-afc7-9acae07171d3" 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_e8780760-eedf-4428-b262-3975c33c3dc8" xlink:to="loc_dei_LegalEntityAxis_724c793b-0257-487b-afc7-9acae07171d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_8e7fca11-1865-4560-b7dd-42f0834e73c1" 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_724c793b-0257-487b-afc7-9acae07171d3" xlink:to="loc_dei_EntityDomain_8e7fca11-1865-4560-b7dd-42f0834e73c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_998617ce-03a7-43e1-bdbe-f4cd1fb7314e" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_8e7fca11-1865-4560-b7dd-42f0834e73c1" xlink:to="loc_exc_CommonwealthEdisonCoMember_998617ce-03a7-43e1-bdbe-f4cd1fb7314e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_62ecf387-8db6-4d02-b93f-43331efb6c57" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_8e7fca11-1865-4560-b7dd-42f0834e73c1" xlink:to="loc_exc_PecoEnergyCoMember_62ecf387-8db6-4d02-b93f-43331efb6c57" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_b01ab13f-f0f6-4082-81e3-ffd45aff614a" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_8e7fca11-1865-4560-b7dd-42f0834e73c1" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_b01ab13f-f0f6-4082-81e3-ffd45aff614a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_2d3280ee-9ffb-468e-bb4f-b2d5402232a2" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_8e7fca11-1865-4560-b7dd-42f0834e73c1" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_2d3280ee-9ffb-468e-bb4f-b2d5402232a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_3945907f-ec84-48e2-ae3d-df18ed74a8b5" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_8e7fca11-1865-4560-b7dd-42f0834e73c1" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_3945907f-ec84-48e2-ae3d-df18ed74a8b5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_dbb96729-a797-4cdc-b2dd-31093e5bfd2b" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_8e7fca11-1865-4560-b7dd-42f0834e73c1" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_dbb96729-a797-4cdc-b2dd-31093e5bfd2b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_76d291d2-5552-40ec-a157-0913172cde34" 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_e8780760-eedf-4428-b262-3975c33c3dc8" xlink:to="loc_srt_ConsolidationItemsAxis_76d291d2-5552-40ec-a157-0913172cde34" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_3ded8468-e0e1-43a6-898c-8ff2f0afd2b1" 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_76d291d2-5552-40ec-a157-0913172cde34" xlink:to="loc_srt_ConsolidationItemsDomain_3ded8468-e0e1-43a6-898c-8ff2f0afd2b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_4a302068-1eb3-49f4-a668-c59e267034d0" 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_3ded8468-e0e1-43a6-898c-8ff2f0afd2b1" xlink:to="loc_us-gaap_CorporateNonSegmentMember_4a302068-1eb3-49f4-a668-c59e267034d0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_58b63a47-c6e1-4145-a6b1-4b581fd0cb57" 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_e8780760-eedf-4428-b262-3975c33c3dc8" xlink:to="loc_us-gaap_DebtInstrumentAxis_58b63a47-c6e1-4145-a6b1-4b581fd0cb57" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_29c02174-5daf-442d-a480-20aa150fb4e2" 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_58b63a47-c6e1-4145-a6b1-4b581fd0cb57" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_29c02174-5daf-442d-a480-20aa150fb4e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Notes515Mar2028Member_4a5d6a1d-ff4e-4a1d-9989-06e452c15c78" xlink:href="exc-20230331.xsd#exc_Notes515Mar2028Member"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_29c02174-5daf-442d-a480-20aa150fb4e2" xlink:to="loc_exc_Notes515Mar2028Member_4a5d6a1d-ff4e-4a1d-9989-06e452c15c78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Notes530Mar2033Member_0e81f822-f5e7-4a7e-ae25-ba3d14b5ea27" xlink:href="exc-20230331.xsd#exc_Notes530Mar2033Member"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_29c02174-5daf-442d-a480-20aa150fb4e2" xlink:to="loc_exc_Notes530Mar2033Member_0e81f822-f5e7-4a7e-ae25-ba3d14b5ea27" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_Notes560Mar2053Member_ae81ea99-af6c-46ad-ac9a-26d5eeed93b9" xlink:href="exc-20230331.xsd#exc_Notes560Mar2053Member"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_29c02174-5daf-442d-a480-20aa150fb4e2" xlink:to="loc_exc_Notes560Mar2053Member_ae81ea99-af6c-46ad-ac9a-26d5eeed93b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ComEdFMB490Feb2033Member_aa7a0c57-ddef-4852-9e2b-f6fe4937c321" xlink:href="exc-20230331.xsd#exc_ComEdFMB490Feb2033Member"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_29c02174-5daf-442d-a480-20aa150fb4e2" xlink:to="loc_exc_ComEdFMB490Feb2033Member_aa7a0c57-ddef-4852-9e2b-f6fe4937c321" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FMB530Feb2053Member_9dcf3053-acf8-4471-a5fd-1bd2c83cd453" xlink:href="exc-20230331.xsd#exc_FMB530Feb2053Member"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_29c02174-5daf-442d-a480-20aa150fb4e2" xlink:to="loc_exc_FMB530Feb2053Member_9dcf3053-acf8-4471-a5fd-1bd2c83cd453" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoFMB530Mar2033Member_5aa1323c-2b00-47c7-9200-79c4f4053533" xlink:href="exc-20230331.xsd#exc_PepcoFMB530Mar2033Member"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_29c02174-5daf-442d-a480-20aa150fb4e2" xlink:to="loc_exc_PepcoFMB530Mar2033Member_5aa1323c-2b00-47c7-9200-79c4f4053533" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FMB540Mar2038Member_908dff37-b7f4-4976-b33c-84f62464ad68" xlink:href="exc-20230331.xsd#exc_FMB540Mar2038Member"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_29c02174-5daf-442d-a480-20aa150fb4e2" xlink:to="loc_exc_FMB540Mar2038Member_908dff37-b7f4-4976-b33c-84f62464ad68" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoFMB557Mar2053Member_6988eab7-d811-4ebe-a652-6f92f0f62d0e" xlink:href="exc-20230331.xsd#exc_PepcoFMB557Mar2053Member"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_29c02174-5daf-442d-a480-20aa150fb4e2" xlink:to="loc_exc_PepcoFMB557Mar2053Member_6988eab7-d811-4ebe-a652-6f92f0f62d0e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DPLFMB530Mar2033Member_387c5475-7526-40ce-b7c4-caa0bd33d9bb" xlink:href="exc-20230331.xsd#exc_DPLFMB530Mar2033Member"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_29c02174-5daf-442d-a480-20aa150fb4e2" xlink:to="loc_exc_DPLFMB530Mar2033Member_387c5475-7526-40ce-b7c4-caa0bd33d9bb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DPLFMB557Mar2053Member_77ea8147-3f70-4a69-b1dc-d8f9136ef815" xlink:href="exc-20230331.xsd#exc_DPLFMB557Mar2053Member"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_29c02174-5daf-442d-a480-20aa150fb4e2" xlink:to="loc_exc_DPLFMB557Mar2053Member_77ea8147-3f70-4a69-b1dc-d8f9136ef815" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ACEFMB557Mar2053Member_f452bfe8-bb05-45d1-8cb7-41737c20518b" xlink:href="exc-20230331.xsd#exc_ACEFMB557Mar2053Member"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_29c02174-5daf-442d-a480-20aa150fb4e2" xlink:to="loc_exc_ACEFMB557Mar2053Member_f452bfe8-bb05-45d1-8cb7-41737c20518b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FMB535Sept2033Member_9eae1f01-167e-49b8-bd4c-332e7e131252" xlink:href="exc-20230331.xsd#exc_FMB535Sept2033Member"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_29c02174-5daf-442d-a480-20aa150fb4e2" xlink:to="loc_exc_FMB535Sept2033Member_9eae1f01-167e-49b8-bd4c-332e7e131252" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DPLFMB545Nov2033Member_4a934255-e8f6-4015-af8d-8858acb6d4de" xlink:href="exc-20230331.xsd#exc_DPLFMB545Nov2033Member"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_29c02174-5daf-442d-a480-20aa150fb4e2" xlink:to="loc_exc_DPLFMB545Nov2033Member_4a934255-e8f6-4015-af8d-8858acb6d4de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DPLFMB555Nov2038Member_dc62b180-1a63-44ca-9121-8667d2c2f2ec" xlink:href="exc-20230331.xsd#exc_DPLFMB555Nov2038Member"/>
<link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_29c02174-5daf-442d-a480-20aa150fb4e2" xlink:to="loc_exc_DPLFMB555Nov2038Member_dc62b180-1a63-44ca-9121-8667d2c2f2ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DPLFMB572Nov2053Member_543bcf18-a37a-4bc7-9f6e-2f71ee9835f8" xlink:href="exc-20230331.xsd#exc_DPLFMB572Nov2053Member"/>
<link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_29c02174-5daf-442d-a480-20aa150fb4e2" xlink:to="loc_exc_DPLFMB572Nov2053Member_543bcf18-a37a-4bc7-9f6e-2f71ee9835f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_f467d065-a682-4bea-8a91-4bf829e1702c" 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_e8780760-eedf-4428-b262-3975c33c3dc8" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_f467d065-a682-4bea-8a91-4bf829e1702c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_c436e66e-9672-4122-820e-d457115814d2" 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_f467d065-a682-4bea-8a91-4bf829e1702c" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_c436e66e-9672-4122-820e-d457115814d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableToBanksMember_be3625f9-747f-4fa9-9a9f-4423289aaf62" 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_c436e66e-9672-4122-820e-d457115814d2" xlink:to="loc_us-gaap_NotesPayableToBanksMember_be3625f9-747f-4fa9-9a9f-4423289aaf62" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FirstMortgageBondsMember_83a5c429-56d0-4889-94bd-729992871a45" xlink:href="exc-20230331.xsd#exc_FirstMortgageBondsMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_c436e66e-9672-4122-820e-d457115814d2" xlink:to="loc_exc_FirstMortgageBondsMember_83a5c429-56d0-4889-94bd-729992871a45" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_8875604f-e8f1-4425-bd1e-21486daa9bd4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentLineItems"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_e8780760-eedf-4428-b262-3975c33c3dc8" xlink:to="loc_us-gaap_DebtInstrumentLineItems_8875604f-e8f1-4425-bd1e-21486daa9bd4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_ddafe632-bf03-4878-a941-77a271b4621e" 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_8875604f-e8f1-4425-bd1e-21486daa9bd4" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_ddafe632-bf03-4878-a941-77a271b4621e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_36173ec2-f858-4d8f-953f-f56cb20d38de" 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_8875604f-e8f1-4425-bd1e-21486daa9bd4" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_36173ec2-f858-4d8f-953f-f56cb20d38de" 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-20230331.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_313e7e7e-b0fc-4674-b38f-c2090f1f9204" 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_4e17064b-0999-4ac4-9a02-73db992b0c10" 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_313e7e7e-b0fc-4674-b38f-c2090f1f9204" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_4e17064b-0999-4ac4-9a02-73db992b0c10" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_83d0a67d-870e-4834-a63a-a05f5563c548" 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_4e17064b-0999-4ac4-9a02-73db992b0c10" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_83d0a67d-870e-4834-a63a-a05f5563c548" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_98755d62-b6da-4988-b51a-7dc51381b3cc" 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_83d0a67d-870e-4834-a63a-a05f5563c548" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_98755d62-b6da-4988-b51a-7dc51381b3cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FixedIncomeSecuritiesMember_5efba1ab-9ac2-49d2-ac5b-ee5f7db7294c" 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_98755d62-b6da-4988-b51a-7dc51381b3cc" xlink:to="loc_us-gaap_FixedIncomeSecuritiesMember_5efba1ab-9ac2-49d2-ac5b-ee5f7db7294c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_MiddlemarketlendingMember_efb35338-e726-4c3d-b6e1-514ff590e2c1" xlink:href="exc-20230331.xsd#exc_MiddlemarketlendingMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_98755d62-b6da-4988-b51a-7dc51381b3cc" xlink:to="loc_exc_MiddlemarketlendingMember_efb35338-e726-4c3d-b6e1-514ff590e2c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrivateEquityFundsMember_8fc1cbb9-f101-44f2-a7d0-d433e77d7b54" 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_98755d62-b6da-4988-b51a-7dc51381b3cc" xlink:to="loc_us-gaap_PrivateEquityFundsMember_8fc1cbb9-f101-44f2-a7d0-d433e77d7b54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateFundsMember_c38ca765-4f7f-43f2-b3cc-29dfcb4047ec" 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_98755d62-b6da-4988-b51a-7dc51381b3cc" xlink:to="loc_us-gaap_RealEstateFundsMember_c38ca765-4f7f-43f2-b3cc-29dfcb4047ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_11edd226-3db5-42fc-af3b-302fbea6cea2" 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_4e17064b-0999-4ac4-9a02-73db992b0c10" xlink:to="loc_dei_LegalEntityAxis_11edd226-3db5-42fc-af3b-302fbea6cea2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_1b34f758-24af-4bec-949b-a0329a1b693b" 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_11edd226-3db5-42fc-af3b-302fbea6cea2" xlink:to="loc_dei_EntityDomain_1b34f758-24af-4bec-949b-a0329a1b693b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_fc8d092e-12a7-47c3-9a9f-9b68e19ee9ef" xlink:href="exc-20230331.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1b34f758-24af-4bec-949b-a0329a1b693b" xlink:to="loc_exc_ExelonGenerationCoLLCMember_fc8d092e-12a7-47c3-9a9f-9b68e19ee9ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_db7badcd-b32d-443b-b864-89741be437b6" 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_4e17064b-0999-4ac4-9a02-73db992b0c10" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_db7badcd-b32d-443b-b864-89741be437b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments_32023927-05ab-4b44-a814-300eafb2d57e" 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_db7badcd-b32d-443b-b864-89741be437b6" xlink:to="loc_us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments_32023927-05ab-4b44-a814-300eafb2d57e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_d4b6488c-b3c0-4b26-aa06-cd9680d4b64b" 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_db7badcd-b32d-443b-b864-89741be437b6" xlink:to="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_d4b6488c-b3c0-4b26-aa06-cd9680d4b64b" 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-20230331.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_6959536d-4c18-453d-90e2-8132588a92e4" 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_265f8db7-48ef-4ba3-8255-4e3a8c2dc0d3" 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_6959536d-4c18-453d-90e2-8132588a92e4" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_265f8db7-48ef-4ba3-8255-4e3a8c2dc0d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_4cd6bd6a-141c-4426-8a13-20a265b76982" 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_265f8db7-48ef-4ba3-8255-4e3a8c2dc0d3" xlink:to="loc_dei_LegalEntityAxis_4cd6bd6a-141c-4426-8a13-20a265b76982" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_0a40aefe-2adb-45a6-a744-06ec77907863" 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_4cd6bd6a-141c-4426-8a13-20a265b76982" xlink:to="loc_dei_EntityDomain_0a40aefe-2adb-45a6-a744-06ec77907863" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_04409aa9-205a-4d90-a47e-297213b17c27" xlink:href="exc-20230331.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0a40aefe-2adb-45a6-a744-06ec77907863" xlink:to="loc_exc_ExelonGenerationCoLLCMember_04409aa9-205a-4d90-a47e-297213b17c27" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_54f44088-0b13-46a8-ad9a-7ff9786128ab" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0a40aefe-2adb-45a6-a744-06ec77907863" xlink:to="loc_exc_CommonwealthEdisonCoMember_54f44088-0b13-46a8-ad9a-7ff9786128ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_bcb73c3a-8232-4e08-bb18-70a0cbb08cb8" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0a40aefe-2adb-45a6-a744-06ec77907863" xlink:to="loc_exc_PecoEnergyCoMember_bcb73c3a-8232-4e08-bb18-70a0cbb08cb8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_acfbef61-c2f4-468c-9594-edaa34a85e8b" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0a40aefe-2adb-45a6-a744-06ec77907863" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_acfbef61-c2f4-468c-9594-edaa34a85e8b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_4a106e36-bad9-4c86-854e-31d83e970603" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0a40aefe-2adb-45a6-a744-06ec77907863" xlink:to="loc_exc_PepcoHoldingsLLCMember_4a106e36-bad9-4c86-854e-31d83e970603" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_03e7f73e-38a7-4209-baed-4c99d1bb57bd" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0a40aefe-2adb-45a6-a744-06ec77907863" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_03e7f73e-38a7-4209-baed-4c99d1bb57bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_24abc9ec-5315-4381-8c07-50fe0a7cc585" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0a40aefe-2adb-45a6-a744-06ec77907863" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_24abc9ec-5315-4381-8c07-50fe0a7cc585" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_c75021c0-e235-48ab-983b-34a4d558d17b" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0a40aefe-2adb-45a6-a744-06ec77907863" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_c75021c0-e235-48ab-983b-34a4d558d17b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_bbcff7ae-9158-4f35-b652-86899766e8ec" 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_265f8db7-48ef-4ba3-8255-4e3a8c2dc0d3" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_bbcff7ae-9158-4f35-b652-86899766e8ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_858ca8c7-6e60-4926-a77a-066a16968d3f" 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_bbcff7ae-9158-4f35-b652-86899766e8ec" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_858ca8c7-6e60-4926-a77a-066a16968d3f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_2fd1bdd9-164e-4acd-a6d1-4d4b0019c3f5" 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_858ca8c7-6e60-4926-a77a-066a16968d3f" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_2fd1bdd9-164e-4acd-a6d1-4d4b0019c3f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_447467ef-4262-42d6-90c6-8b210b33d3d7" 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_858ca8c7-6e60-4926-a77a-066a16968d3f" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_447467ef-4262-42d6-90c6-8b210b33d3d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_ab35d494-db0c-45f0-8346-2f40cbbd46ce" 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_858ca8c7-6e60-4926-a77a-066a16968d3f" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_ab35d494-db0c-45f0-8346-2f40cbbd46ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_08390fbb-f1a1-4270-ab42-2a1d3282b1e4" 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_265f8db7-48ef-4ba3-8255-4e3a8c2dc0d3" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_08390fbb-f1a1-4270-ab42-2a1d3282b1e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_f949367a-6796-4c1f-b6ec-a64ab373b73d" 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_08390fbb-f1a1-4270-ab42-2a1d3282b1e4" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_f949367a-6796-4c1f-b6ec-a64ab373b73d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_f1014c7a-f1c0-42c9-9ecf-948a180088fe" 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_f949367a-6796-4c1f-b6ec-a64ab373b73d" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_f1014c7a-f1c0-42c9-9ecf-948a180088fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_f9c74af0-b0dd-45dd-8199-601634bdf5fe" 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_f949367a-6796-4c1f-b6ec-a64ab373b73d" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_f9c74af0-b0dd-45dd-8199-601634bdf5fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_a8a7916a-03aa-4abc-bb82-ba5c3d79ec5f" 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_f949367a-6796-4c1f-b6ec-a64ab373b73d" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_a8a7916a-03aa-4abc-bb82-ba5c3d79ec5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_3119fedc-498c-4be2-8d0c-0372b9587c1b" 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_265f8db7-48ef-4ba3-8255-4e3a8c2dc0d3" xlink:to="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_3119fedc-498c-4be2-8d0c-0372b9587c1b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_d11409ab-f428-4c50-8fb4-b9389006abd8" 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_3119fedc-498c-4be2-8d0c-0372b9587c1b" xlink:to="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_d11409ab-f428-4c50-8fb4-b9389006abd8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFairValue_0eb629a6-e2ed-4028-b9d6-e0f4bc8af9a2" 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_d11409ab-f428-4c50-8fb4-b9389006abd8" xlink:to="loc_us-gaap_DebtInstrumentFairValue_0eb629a6-e2ed-4028-b9d6-e0f4bc8af9a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueToAffiliateNoncurrent_cb2292a4-d0df-410e-810e-b57af6428cea" 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_d11409ab-f428-4c50-8fb4-b9389006abd8" xlink:to="loc_us-gaap_DueToAffiliateNoncurrent_cb2292a4-d0df-410e-810e-b57af6428cea" 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-20230331.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_33751d23-ef5f-43c7-a36f-ac27c40f3ad6" 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_b457e115-761b-45f8-850d-519a80ad4586" xlink:href="exc-20230331.xsd#exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_33751d23-ef5f-43c7-a36f-ac27c40f3ad6" xlink:to="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_b457e115-761b-45f8-850d-519a80ad4586" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis_b587de76-29ed-4147-8bef-855e531efdda" 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_b457e115-761b-45f8-850d-519a80ad4586" xlink:to="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis_b587de76-29ed-4147-8bef-855e531efdda" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain_66299356-e1c7-4180-817c-15713b5ced58" 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_b587de76-29ed-4147-8bef-855e531efdda" xlink:to="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain_66299356-e1c7-4180-817c-15713b5ced58" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MaturityUpTo30DaysMember_58b0d1de-d875-43bf-9d4e-ac5839d610e6" 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_66299356-e1c7-4180-817c-15713b5ced58" xlink:to="loc_us-gaap_MaturityUpTo30DaysMember_58b0d1de-d875-43bf-9d4e-ac5839d610e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_2d2cc7e5-c9df-4306-9fa7-b96fff992bd5" 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_b457e115-761b-45f8-850d-519a80ad4586" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_2d2cc7e5-c9df-4306-9fa7-b96fff992bd5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_d89df2ff-6ab7-4897-b0a7-08d5f99c5689" 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_2d2cc7e5-c9df-4306-9fa7-b96fff992bd5" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_d89df2ff-6ab7-4897-b0a7-08d5f99c5689" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_2f30052d-cb2b-46fc-b190-3c9681729e28" 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_b457e115-761b-45f8-850d-519a80ad4586" xlink:to="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_2f30052d-cb2b-46fc-b190-3c9681729e28" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfAdoptionMember_7458ecc7-135e-4f85-beb1-fe6ce16358ab" 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_2f30052d-cb2b-46fc-b190-3c9681729e28" xlink:to="loc_us-gaap_TypeOfAdoptionMember_7458ecc7-135e-4f85-beb1-fe6ce16358ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingStandardsUpdate201601Member_becd2a97-bfd8-4514-b6ef-654ae9fe2f24" 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_7458ecc7-135e-4f85-beb1-fe6ce16358ab" xlink:to="loc_us-gaap_AccountingStandardsUpdate201601Member_becd2a97-bfd8-4514-b6ef-654ae9fe2f24" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_45de69e3-06b1-44ff-8fd5-dbc7579127bf" 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_b457e115-761b-45f8-850d-519a80ad4586" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_45de69e3-06b1-44ff-8fd5-dbc7579127bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_bb8e0be0-22b5-4718-aefb-61eda93b7244" 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_45de69e3-06b1-44ff-8fd5-dbc7579127bf" xlink:to="loc_us-gaap_EquityComponentDomain_bb8e0be0-22b5-4718-aefb-61eda93b7244" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_a707646f-a2a3-4c64-a9d9-8470568225af" 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_bb8e0be0-22b5-4718-aefb-61eda93b7244" xlink:to="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_a707646f-a2a3-4c64-a9d9-8470568225af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_5ea9d36a-0f5c-4b27-b030-e8986189cf60" 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_b457e115-761b-45f8-850d-519a80ad4586" xlink:to="loc_dei_LegalEntityAxis_5ea9d36a-0f5c-4b27-b030-e8986189cf60" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_272f1cb1-6806-4e01-ba47-cd0297f2f89c" 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_5ea9d36a-0f5c-4b27-b030-e8986189cf60" xlink:to="loc_dei_EntityDomain_272f1cb1-6806-4e01-ba47-cd0297f2f89c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_44faf0b5-6fd5-437c-b8e5-8b80040ecd8b" xlink:href="exc-20230331.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_272f1cb1-6806-4e01-ba47-cd0297f2f89c" xlink:to="loc_exc_ExelonGenerationCoLLCMember_44faf0b5-6fd5-437c-b8e5-8b80040ecd8b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_GenerationTotalConsolidatedGroupMember_bdb03ba1-09e9-4cdd-8e03-222e14ba7bc9" xlink:href="exc-20230331.xsd#exc_GenerationTotalConsolidatedGroupMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_272f1cb1-6806-4e01-ba47-cd0297f2f89c" xlink:to="loc_exc_GenerationTotalConsolidatedGroupMember_bdb03ba1-09e9-4cdd-8e03-222e14ba7bc9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_ce41d00f-6a2f-413d-8aa8-6ac03cc9761b" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_272f1cb1-6806-4e01-ba47-cd0297f2f89c" xlink:to="loc_exc_CommonwealthEdisonCoMember_ce41d00f-6a2f-413d-8aa8-6ac03cc9761b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_81e20426-e2ab-4eaf-b0f7-84908a062507" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_272f1cb1-6806-4e01-ba47-cd0297f2f89c" xlink:to="loc_exc_PecoEnergyCoMember_81e20426-e2ab-4eaf-b0f7-84908a062507" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_5ef23cb6-3a70-4b7b-a93a-3dca642b38ef" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_272f1cb1-6806-4e01-ba47-cd0297f2f89c" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_5ef23cb6-3a70-4b7b-a93a-3dca642b38ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_b726fbda-097b-4520-b184-afa84fe54053" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_272f1cb1-6806-4e01-ba47-cd0297f2f89c" xlink:to="loc_exc_PepcoHoldingsLLCMember_b726fbda-097b-4520-b184-afa84fe54053" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_f79c1a9e-0e86-46b1-9bd8-801297a92844" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_272f1cb1-6806-4e01-ba47-cd0297f2f89c" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_f79c1a9e-0e86-46b1-9bd8-801297a92844" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_5f9fd0c6-83a1-4067-9864-c78ffe008b78" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_272f1cb1-6806-4e01-ba47-cd0297f2f89c" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_5f9fd0c6-83a1-4067-9864-c78ffe008b78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_756bcf40-bfe4-4ef1-9aa6-4c331cd62b9e" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_272f1cb1-6806-4e01-ba47-cd0297f2f89c" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_756bcf40-bfe4-4ef1-9aa6-4c331cd62b9e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLlcAffiliateMember_d8c7996c-34e3-43bc-8367-6dc3f3ebca03" xlink:href="exc-20230331.xsd#exc_ExelonGenerationCoLlcAffiliateMember"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_272f1cb1-6806-4e01-ba47-cd0297f2f89c" xlink:to="loc_exc_ExelonGenerationCoLlcAffiliateMember_d8c7996c-34e3-43bc-8367-6dc3f3ebca03" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_6ab7cb62-8f57-4e0b-93b4-3e14a0d315c1" 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_b457e115-761b-45f8-850d-519a80ad4586" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_6ab7cb62-8f57-4e0b-93b4-3e14a0d315c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_ea8ecbc3-e24a-4417-8456-8bad4a496f1b" 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_6ab7cb62-8f57-4e0b-93b4-3e14a0d315c1" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_ea8ecbc3-e24a-4417-8456-8bad4a496f1b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_8241ddb8-8b7b-4727-8da3-acef875d38e1" 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_ea8ecbc3-e24a-4417-8456-8bad4a496f1b" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_8241ddb8-8b7b-4727-8da3-acef875d38e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_6990ed2f-93c6-4621-9193-cf4145c2a7df" 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_ea8ecbc3-e24a-4417-8456-8bad4a496f1b" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_6990ed2f-93c6-4621-9193-cf4145c2a7df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_1515cab1-0d2b-4ccc-8bf7-c309ee3c4f28" 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_ea8ecbc3-e24a-4417-8456-8bad4a496f1b" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_1515cab1-0d2b-4ccc-8bf7-c309ee3c4f28" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember_c1b5dddd-0775-4b2f-8332-052a30fb94be" 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_ea8ecbc3-e24a-4417-8456-8bad4a496f1b" xlink:to="loc_us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember_c1b5dddd-0775-4b2f-8332-052a30fb94be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_e25c730a-dd1a-48bc-9d4a-1e640a5c74e1" 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_b457e115-761b-45f8-850d-519a80ad4586" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_e25c730a-dd1a-48bc-9d4a-1e640a5c74e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_f69454e4-e77a-4bb4-937f-b52cd5b65346" 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_e25c730a-dd1a-48bc-9d4a-1e640a5c74e1" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_f69454e4-e77a-4bb4-937f-b52cd5b65346" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_5f91848d-4f65-4229-80a3-19370455cb94" 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_f69454e4-e77a-4bb4-937f-b52cd5b65346" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_5f91848d-4f65-4229-80a3-19370455cb94" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_5f3fcfa0-7656-4cbd-91af-b52a3443480e" 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_b457e115-761b-45f8-850d-519a80ad4586" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_5f3fcfa0-7656-4cbd-91af-b52a3443480e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6129d7ff-ee82-4fc1-bd1d-9a2de31b9344" 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_5f3fcfa0-7656-4cbd-91af-b52a3443480e" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6129d7ff-ee82-4fc1-bd1d-9a2de31b9344" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherMember_0fcf2aba-b8ec-4061-90c8-2ff9e3c1f1bc" xlink:href="exc-20230331.xsd#exc_OtherMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6129d7ff-ee82-4fc1-bd1d-9a2de31b9344" xlink:to="loc_exc_OtherMember_0fcf2aba-b8ec-4061-90c8-2ff9e3c1f1bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_NuclearDecommissioningTrustFundInvestmentsMember_478a27da-c5db-4577-8af4-7d3ebb4bcdd7" xlink:href="exc-20230331.xsd#exc_NuclearDecommissioningTrustFundInvestmentsMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6129d7ff-ee82-4fc1-bd1d-9a2de31b9344" xlink:to="loc_exc_NuclearDecommissioningTrustFundInvestmentsMember_478a27da-c5db-4577-8af4-7d3ebb4bcdd7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CashEquivalentsNDTMember_a57aa526-5db1-4220-81a7-f7c08143a20b" xlink:href="exc-20230331.xsd#exc_CashEquivalentsNDTMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_NuclearDecommissioningTrustFundInvestmentsMember_478a27da-c5db-4577-8af4-7d3ebb4bcdd7" xlink:to="loc_exc_CashEquivalentsNDTMember_a57aa526-5db1-4220-81a7-f7c08143a20b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EquitySecuritiesNuclearDecommissioningTrustFundMember_c5900074-29bc-437c-87ba-46090b8c0eb0" xlink:href="exc-20230331.xsd#exc_EquitySecuritiesNuclearDecommissioningTrustFundMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_NuclearDecommissioningTrustFundInvestmentsMember_478a27da-c5db-4577-8af4-7d3ebb4bcdd7" xlink:to="loc_exc_EquitySecuritiesNuclearDecommissioningTrustFundMember_c5900074-29bc-437c-87ba-46090b8c0eb0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FixedIncomeSecuritiesMember_29f6127b-9669-4561-9f7e-09d591c5351f" 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_478a27da-c5db-4577-8af4-7d3ebb4bcdd7" xlink:to="loc_us-gaap_FixedIncomeSecuritiesMember_29f6127b-9669-4561-9f7e-09d591c5351f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_00b6d50c-764d-4d5f-b813-14dc66b8c51e" 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_29f6127b-9669-4561-9f7e-09d591c5351f" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_00b6d50c-764d-4d5f-b813-14dc66b8c51e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_USTreasuryAndGovernmentMember_7a1d7e8e-6050-4427-8272-0539b9ca8d90" 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_29f6127b-9669-4561-9f7e-09d591c5351f" xlink:to="loc_us-gaap_USTreasuryAndGovernmentMember_7a1d7e8e-6050-4427-8272-0539b9ca8d90" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_9fdbd478-a311-4873-9509-05e9d9860d81" 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_29f6127b-9669-4561-9f7e-09d591c5351f" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_9fdbd478-a311-4873-9509-05e9d9860d81" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_a30a6760-ee2f-4879-b47d-771952a92e47" 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_29f6127b-9669-4561-9f7e-09d591c5351f" xlink:to="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_a30a6760-ee2f-4879-b47d-771952a92e47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherFixedIncomeMember_9972d80e-f795-4aaf-8a27-2ac3a4b79464" xlink:href="exc-20230331.xsd#exc_OtherFixedIncomeMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FixedIncomeSecuritiesMember_29f6127b-9669-4561-9f7e-09d591c5351f" xlink:to="loc_exc_OtherFixedIncomeMember_9972d80e-f795-4aaf-8a27-2ac3a4b79464" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_MiddlemarketlendingMember_71b34961-7209-4c26-bfaf-4c3460596ae8" xlink:href="exc-20230331.xsd#exc_MiddlemarketlendingMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_NuclearDecommissioningTrustFundInvestmentsMember_478a27da-c5db-4577-8af4-7d3ebb4bcdd7" xlink:to="loc_exc_MiddlemarketlendingMember_71b34961-7209-4c26-bfaf-4c3460596ae8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrivateEquityFundsMember_2a0518bc-141c-4ea6-aa72-d36d15aeecc3" 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_478a27da-c5db-4577-8af4-7d3ebb4bcdd7" xlink:to="loc_us-gaap_PrivateEquityFundsMember_2a0518bc-141c-4ea6-aa72-d36d15aeecc3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateFundsMember_24791f2c-3cfc-499d-90ea-870a0a5bb0d8" 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_478a27da-c5db-4577-8af4-7d3ebb4bcdd7" xlink:to="loc_us-gaap_RealEstateFundsMember_24791f2c-3cfc-499d-90ea-870a0a5bb0d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RabbiTrustInvestmentsMember_568bae89-5aa9-4cb2-b382-704c795ffc25" xlink:href="exc-20230331.xsd#exc_RabbiTrustInvestmentsMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6129d7ff-ee82-4fc1-bd1d-9a2de31b9344" xlink:to="loc_exc_RabbiTrustInvestmentsMember_568bae89-5aa9-4cb2-b382-704c795ffc25" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashEquivalentsMember_4d095150-4173-489f-9309-43ab220d0398" 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_568bae89-5aa9-4cb2-b382-704c795ffc25" xlink:to="loc_us-gaap_CashEquivalentsMember_4d095150-4173-489f-9309-43ab220d0398" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MutualFundMember_ab572d22-1b5e-4b8a-a8e5-fcbeaf2b0240" 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_568bae89-5aa9-4cb2-b382-704c795ffc25" xlink:to="loc_us-gaap_MutualFundMember_ab572d22-1b5e-4b8a-a8e5-fcbeaf2b0240" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FixedIncomeInvestmentsMember_115b02c8-6dd0-428f-afd5-e38326874e89" 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_568bae89-5aa9-4cb2-b382-704c795ffc25" xlink:to="loc_us-gaap_FixedIncomeInvestmentsMember_115b02c8-6dd0-428f-afd5-e38326874e89" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_sic_Z6311_9c358ad9-a312-408a-9234-caf72b24b84f" 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_568bae89-5aa9-4cb2-b382-704c795ffc25" xlink:to="loc_sic_Z6311_9c358ad9-a312-408a-9234-caf72b24b84f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesMember_e054225a-1599-485b-b1a4-55dbc32fd1d8" 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_6129d7ff-ee82-4fc1-bd1d-9a2de31b9344" xlink:to="loc_us-gaap_EquitySecuritiesMember_e054225a-1599-485b-b1a4-55dbc32fd1d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFinancialInstrumentsAssetsMember_f24f80b1-4e5d-4f34-b962-6f4d494f68cd" 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_6129d7ff-ee82-4fc1-bd1d-9a2de31b9344" xlink:to="loc_us-gaap_DerivativeFinancialInstrumentsAssetsMember_f24f80b1-4e5d-4f34-b962-6f4d494f68cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_bc111b6c-ba64-4de9-b9ef-10128264e3df" 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_f24f80b1-4e5d-4f34-b962-6f4d494f68cd" xlink:to="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_bc111b6c-ba64-4de9-b9ef-10128264e3df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ProprietaryTradingMember_562d1390-8d7d-40de-a892-e13a64757454" xlink:href="exc-20230331.xsd#exc_ProprietaryTradingMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeFinancialInstrumentsAssetsMember_f24f80b1-4e5d-4f34-b962-6f4d494f68cd" xlink:to="loc_exc_ProprietaryTradingMember_562d1390-8d7d-40de-a892-e13a64757454" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EffectsofNettingandAllocationofCollateralMember_ecbbd340-bd23-4147-bef6-016930b5f86a" xlink:href="exc-20230331.xsd#exc_EffectsofNettingandAllocationofCollateralMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeFinancialInstrumentsAssetsMember_f24f80b1-4e5d-4f34-b962-6f4d494f68cd" xlink:to="loc_exc_EffectsofNettingandAllocationofCollateralMember_ecbbd340-bd23-4147-bef6-016930b5f86a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EconomicHedgingInstrumentMember_016a1c8e-2450-43d8-bf70-54f40467ad52" xlink:href="exc-20230331.xsd#exc_EconomicHedgingInstrumentMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeFinancialInstrumentsAssetsMember_f24f80b1-4e5d-4f34-b962-6f4d494f68cd" xlink:to="loc_exc_EconomicHedgingInstrumentMember_016a1c8e-2450-43d8-bf70-54f40467ad52" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_InterestRateandForeignCurrencyDerivativeAssetsMember_31d42fd0-66a9-4000-8328-8cb5df1974b6" xlink:href="exc-20230331.xsd#exc_InterestRateandForeignCurrencyDerivativeAssetsMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6129d7ff-ee82-4fc1-bd1d-9a2de31b9344" xlink:to="loc_exc_InterestRateandForeignCurrencyDerivativeAssetsMember_31d42fd0-66a9-4000-8328-8cb5df1974b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_bed3104d-dd2a-4ceb-809a-3f0c1770f650" 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_31d42fd0-66a9-4000-8328-8cb5df1974b6" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_bed3104d-dd2a-4ceb-809a-3f0c1770f650" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EconomichedgeInterestandCurrencyMember_a3263cc8-77de-4bdd-9d0d-52a090c19ba2" xlink:href="exc-20230331.xsd#exc_EconomichedgeInterestandCurrencyMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_InterestRateandForeignCurrencyDerivativeAssetsMember_31d42fd0-66a9-4000-8328-8cb5df1974b6" xlink:to="loc_exc_EconomichedgeInterestandCurrencyMember_a3263cc8-77de-4bdd-9d0d-52a090c19ba2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EffectsofNettingandAllocationofCollateral1Member_d5465528-f6d9-4147-bcb6-323d5114ebb0" xlink:href="exc-20230331.xsd#exc_EffectsofNettingandAllocationofCollateral1Member"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_InterestRateandForeignCurrencyDerivativeAssetsMember_31d42fd0-66a9-4000-8328-8cb5df1974b6" xlink:to="loc_exc_EffectsofNettingandAllocationofCollateral1Member_d5465528-f6d9-4147-bcb6-323d5114ebb0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EconomicHedgesMember_6be98408-9955-4efd-bd30-b483dec59839" xlink:href="exc-20230331.xsd#exc_EconomicHedgesMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6129d7ff-ee82-4fc1-bd1d-9a2de31b9344" xlink:to="loc_exc_EconomicHedgesMember_6be98408-9955-4efd-bd30-b483dec59839" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_InterestRateDerivativeAssetsMember_8991b6a4-a0e8-427d-b171-ed374951efdd" xlink:href="exc-20230331.xsd#exc_InterestRateDerivativeAssetsMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6129d7ff-ee82-4fc1-bd1d-9a2de31b9344" xlink:to="loc_exc_InterestRateDerivativeAssetsMember_8991b6a4-a0e8-427d-b171-ed374951efdd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_0411fb2b-95b5-4a5f-8d2d-ad1b94ccecba" 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_b457e115-761b-45f8-850d-519a80ad4586" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_0411fb2b-95b5-4a5f-8d2d-ad1b94ccecba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_ddceb238-f673-4126-a971-1bd872d8fa1c" 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_0411fb2b-95b5-4a5f-8d2d-ad1b94ccecba" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_ddceb238-f673-4126-a971-1bd872d8fa1c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsMember_6902d70e-d811-4d3a-b425-0b18c07c4dec" 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_ddceb238-f673-4126-a971-1bd872d8fa1c" xlink:to="loc_us-gaap_CashAndCashEquivalentsMember_6902d70e-d811-4d3a-b425-0b18c07c4dec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RestrictedcashMember_bbf9c05c-0620-4b43-ad5c-02147943bf3b" xlink:href="exc-20230331.xsd#exc_RestrictedcashMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_ddceb238-f673-4126-a971-1bd872d8fa1c" xlink:to="loc_exc_RestrictedcashMember_bbf9c05c-0620-4b43-ad5c-02147943bf3b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsMember_ed72f06d-6a41-47f0-8616-ed75d98ca669" 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_ddceb238-f673-4126-a971-1bd872d8fa1c" xlink:to="loc_us-gaap_OtherAssetsMember_ed72f06d-6a41-47f0-8616-ed75d98ca669" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByLiabilityClassAxis_08603f02-51a9-47ae-a408-8fb6afd0abc0" 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_b457e115-761b-45f8-850d-519a80ad4586" xlink:to="loc_us-gaap_FairValueByLiabilityClassAxis_08603f02-51a9-47ae-a408-8fb6afd0abc0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_5fab7bca-7434-4ef8-89b2-44d5d309785d" 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_08603f02-51a9-47ae-a408-8fb6afd0abc0" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_5fab7bca-7434-4ef8-89b2-44d5d309785d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommodityDerivativeLiabilitesMember_f5169625-9800-4f3b-9e8e-eb00ab01d66b" xlink:href="exc-20230331.xsd#exc_CommodityDerivativeLiabilitesMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_5fab7bca-7434-4ef8-89b2-44d5d309785d" xlink:to="loc_exc_CommodityDerivativeLiabilitesMember_f5169625-9800-4f3b-9e8e-eb00ab01d66b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EconomicHedgingInstrumentLiabilitesMember_0a8951d1-b79d-4d65-9aae-0c1dd11a8028" xlink:href="exc-20230331.xsd#exc_EconomicHedgingInstrumentLiabilitesMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommodityDerivativeLiabilitesMember_f5169625-9800-4f3b-9e8e-eb00ab01d66b" xlink:to="loc_exc_EconomicHedgingInstrumentLiabilitesMember_0a8951d1-b79d-4d65-9aae-0c1dd11a8028" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ProprietaryTradingLiabilitiesMember_6bc82987-984d-4708-b2fd-03884ce8c5fd" xlink:href="exc-20230331.xsd#exc_ProprietaryTradingLiabilitiesMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommodityDerivativeLiabilitesMember_f5169625-9800-4f3b-9e8e-eb00ab01d66b" xlink:to="loc_exc_ProprietaryTradingLiabilitiesMember_6bc82987-984d-4708-b2fd-03884ce8c5fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EffectsofNettingandAllocationofCollateralLiabilitesMember_78bd5843-30f2-4399-9b1f-65a536df5464" xlink:href="exc-20230331.xsd#exc_EffectsofNettingandAllocationofCollateralLiabilitesMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommodityDerivativeLiabilitesMember_f5169625-9800-4f3b-9e8e-eb00ab01d66b" xlink:to="loc_exc_EffectsofNettingandAllocationofCollateralLiabilitesMember_78bd5843-30f2-4399-9b1f-65a536df5464" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DerivativesDesignatedAsHedgingInstrumentsLiabilitiesMember_b8c58faf-5d1a-443d-a348-16c7bb16502b" xlink:href="exc-20230331.xsd#exc_DerivativesDesignatedAsHedgingInstrumentsLiabilitiesMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_5fab7bca-7434-4ef8-89b2-44d5d309785d" xlink:to="loc_exc_DerivativesDesignatedAsHedgingInstrumentsLiabilitiesMember_b8c58faf-5d1a-443d-a348-16c7bb16502b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_InterestRateDerivativeLiabilitiesMember_57a65b1a-b055-443f-9afa-0715abfb9940" xlink:href="exc-20230331.xsd#exc_InterestRateDerivativeLiabilitiesMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_5fab7bca-7434-4ef8-89b2-44d5d309785d" xlink:to="loc_exc_InterestRateDerivativeLiabilitiesMember_57a65b1a-b055-443f-9afa-0715abfb9940" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_MarkToMarketDerivativeLiabilitiesMember_afaa263a-767b-457a-90d3-a6a5d87fc278" xlink:href="exc-20230331.xsd#exc_MarkToMarketDerivativeLiabilitiesMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_5fab7bca-7434-4ef8-89b2-44d5d309785d" xlink:to="loc_exc_MarkToMarketDerivativeLiabilitiesMember_afaa263a-767b-457a-90d3-a6a5d87fc278" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_InvestmentsInEquityAxis_fc236b70-3ab5-4bea-908a-1781cf00579c" xlink:href="exc-20230331.xsd#exc_InvestmentsInEquityAxis"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_b457e115-761b-45f8-850d-519a80ad4586" xlink:to="loc_exc_InvestmentsInEquityAxis_fc236b70-3ab5-4bea-908a-1781cf00579c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_InvestmentsInEquityDomain_c398b2ba-bf24-4c96-a33d-f2920db508f8" xlink:href="exc-20230331.xsd#exc_InvestmentsInEquityDomain"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_InvestmentsInEquityAxis_fc236b70-3ab5-4bea-908a-1781cf00579c" xlink:to="loc_exc_InvestmentsInEquityDomain_c398b2ba-bf24-4c96-a33d-f2920db508f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_InvestmentsInEquityMember_27d92ea4-3681-4d4d-b830-b4dc15d0f9f0" xlink:href="exc-20230331.xsd#exc_InvestmentsInEquityMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_InvestmentsInEquityDomain_c398b2ba-bf24-4c96-a33d-f2920db508f8" xlink:to="loc_exc_InvestmentsInEquityMember_27d92ea4-3681-4d4d-b830-b4dc15d0f9f0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems_7be1295e-4da2-4ab6-8fd9-42a59bc9c503" xlink:href="exc-20230331.xsd#exc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems"/>
<link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_b457e115-761b-45f8-850d-519a80ad4586" xlink:to="loc_exc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems_7be1295e-4da2-4ab6-8fd9-42a59bc9c503" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" 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_7be1295e-4da2-4ab6-8fd9-42a59bc9c503" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_45f6b7de-2d03-455f-96b5-0ad135897a30" 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_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_45f6b7de-2d03-455f-96b5-0ad135897a30" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_6ac42d40-d082-46ea-a506-66e4b71ea592" 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_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_us-gaap_InvestmentsFairValueDisclosure_6ac42d40-d082-46ea-a506-66e4b71ea592" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_ca67f2d8-66ab-434f-8a3d-55de386a9b7a" 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_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_us-gaap_DerivativeAssets_ca67f2d8-66ab-434f-8a3d-55de386a9b7a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedInterestFairValueDisclosure_8c77f743-f6ba-4517-be00-fe262f879490" 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_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_us-gaap_RetainedInterestFairValueDisclosure_8c77f743-f6ba-4517-be00-fe262f879490" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_3d6314cc-1925-457c-8fb5-1c2128563f41" 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_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_3d6314cc-1925-457c-8fb5-1c2128563f41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_9545a1a3-f3cc-43f5-ab71-f7e0626b8495" 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_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_us-gaap_DerivativeLiabilities_9545a1a3-f3cc-43f5-ab71-f7e0626b8495" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_42222943-7664-4839-9711-272eac42937a" 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_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_42222943-7664-4839-9711-272eac42937a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialLiabilitiesFairValueDisclosure_4087dbfd-bef4-4f8a-8493-5430b11011c1" 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_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_us-gaap_FinancialLiabilitiesFairValueDisclosure_4087dbfd-bef4-4f8a-8493-5430b11011c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueNetAssetLiability_b66e92de-b121-45a8-9396-eef41d14158e" 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_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_us-gaap_FairValueNetAssetLiability_b66e92de-b121-45a8-9396-eef41d14158e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_d2e7c175-bbcb-45b6-85d4-ff6584c10de7" 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_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_d2e7c175-bbcb-45b6-85d4-ff6584c10de7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_7742eab0-6d38-4be8-b254-942e4d66e206" 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_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_7742eab0-6d38-4be8-b254-942e4d66e206" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_1d7c51e4-0ae1-49ef-9699-109d1ccf40df" 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_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_1d7c51e4-0ae1-49ef-9699-109d1ccf40df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Cash_d6fffb5b-9c42-465e-b662-ce964bba75fd" 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_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_us-gaap_Cash_d6fffb5b-9c42-465e-b662-ce964bba75fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_5952ba07-dd32-4b41-ba1f-cebb6c71205a" 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_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_5952ba07-dd32-4b41-ba1f-cebb6c71205a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_3b2e8dae-e49f-4250-9a3c-4cf20bcc4b88" 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_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_3b2e8dae-e49f-4250-9a3c-4cf20bcc4b88" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetNotionalAmount_4e6a00e4-ce41-4c66-b8e0-002463088bb5" 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_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_us-gaap_DerivativeAssetNotionalAmount_4e6a00e4-ce41-4c66-b8e0-002463088bb5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueNetAssetsLiabilitiesExcludedFromNuclearDecommissioningTrustFundInvestments_a4599d90-d2bc-44e0-bba1-499101fe5ff6" xlink:href="exc-20230331.xsd#exc_FairValueNetAssetsLiabilitiesExcludedFromNuclearDecommissioningTrustFundInvestments"/>
<link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_exc_FairValueNetAssetsLiabilitiesExcludedFromNuclearDecommissioningTrustFundInvestments_a4599d90-d2bc-44e0-bba1-499101fe5ff6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_28ffe51b-dc8e-4d07-99ed-581bbfd380ca" 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_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_28ffe51b-dc8e-4d07-99ed-581bbfd380ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarginDepositAssets_f27dd561-cd22-4fa5-843e-eadc89fa5f85" 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_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_us-gaap_MarginDepositAssets_f27dd561-cd22-4fa5-843e-eadc89fa5f85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_c90f5464-c174-4312-96dd-b27bdada2b25" 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_8205c4fb-8238-4a65-9e4d-ccaa7ec7714d" xlink:to="loc_us-gaap_DerivativeNotionalAmount_c90f5464-c174-4312-96dd-b27bdada2b25" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentsSoldNotYetPurchasedCorporateDebt_ef698c25-820d-48a6-a09d-0f18adf23522" 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_7be1295e-4da2-4ab6-8fd9-42a59bc9c503" xlink:to="loc_us-gaap_FinancialInstrumentsSoldNotYetPurchasedCorporateDebt_ef698c25-820d-48a6-a09d-0f18adf23522" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnInvestments_a6ffb33a-0212-47eb-b86a-5c6d625c76ec" 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_7be1295e-4da2-4ab6-8fd9-42a59bc9c503" xlink:to="loc_us-gaap_UnrealizedGainLossOnInvestments_a6ffb33a-0212-47eb-b86a-5c6d625c76ec" 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-20230331.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_c677c063-0686-4873-9b9a-ed4553e987b0" 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_f004061c-95c5-4192-a0ca-8126e6b4aa8d" xlink:href="exc-20230331.xsd#exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_c677c063-0686-4873-9b9a-ed4553e987b0" xlink:to="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_f004061c-95c5-4192-a0ca-8126e6b4aa8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_ff0d0c79-c62a-4c86-b74d-d25262f41480" 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_f004061c-95c5-4192-a0ca-8126e6b4aa8d" xlink:to="loc_dei_LegalEntityAxis_ff0d0c79-c62a-4c86-b74d-d25262f41480" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_2e409755-b504-41da-b0fa-0f65d7ca30dc" 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_ff0d0c79-c62a-4c86-b74d-d25262f41480" xlink:to="loc_dei_EntityDomain_2e409755-b504-41da-b0fa-0f65d7ca30dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_d5f72447-c0aa-4b85-b0da-0ce550552107" xlink:href="exc-20230331.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e409755-b504-41da-b0fa-0f65d7ca30dc" xlink:to="loc_exc_ExelonGenerationCoLLCMember_d5f72447-c0aa-4b85-b0da-0ce550552107" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_bcd6902e-1604-431d-a6dc-ec1e21df7fe5" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e409755-b504-41da-b0fa-0f65d7ca30dc" xlink:to="loc_exc_CommonwealthEdisonCoMember_bcd6902e-1604-431d-a6dc-ec1e21df7fe5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_234131c4-c526-44eb-a22d-e21268397d61" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e409755-b504-41da-b0fa-0f65d7ca30dc" xlink:to="loc_exc_PepcoHoldingsLLCMember_234131c4-c526-44eb-a22d-e21268397d61" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_64923307-294e-49d2-80be-ed3552e82bf3" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e409755-b504-41da-b0fa-0f65d7ca30dc" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_64923307-294e-49d2-80be-ed3552e82bf3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_e52d691f-d696-45cc-b91a-d6c56ac800e4" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e409755-b504-41da-b0fa-0f65d7ca30dc" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_e52d691f-d696-45cc-b91a-d6c56ac800e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_2d264d8b-7d77-4998-8d1a-9bba4c8407c3" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_2e409755-b504-41da-b0fa-0f65d7ca30dc" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_2d264d8b-7d77-4998-8d1a-9bba4c8407c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_b73d129f-dde4-4182-b478-879f1a7166cd" 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_f004061c-95c5-4192-a0ca-8126e6b4aa8d" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_b73d129f-dde4-4182-b478-879f1a7166cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_656d8ea0-566b-4337-aa7b-0edf23f07f12" 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_b73d129f-dde4-4182-b478-879f1a7166cd" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_656d8ea0-566b-4337-aa7b-0edf23f07f12" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_b1a0db64-7b8c-481b-a729-af6bb3ab9f14" 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_656d8ea0-566b-4337-aa7b-0edf23f07f12" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_b1a0db64-7b8c-481b-a729-af6bb3ab9f14" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_3579037a-05a6-4530-a1a6-b2ab17b001e8" 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_f004061c-95c5-4192-a0ca-8126e6b4aa8d" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_3579037a-05a6-4530-a1a6-b2ab17b001e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_875f5a60-3d18-448e-bd8a-d329c4366177" 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_3579037a-05a6-4530-a1a6-b2ab17b001e8" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_875f5a60-3d18-448e-bd8a-d329c4366177" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_NuclearDecommissioningTrustFundInvestmentsMember_7f24b0be-8dbb-4c62-b361-e167eb4d7c65" xlink:href="exc-20230331.xsd#exc_NuclearDecommissioningTrustFundInvestmentsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_875f5a60-3d18-448e-bd8a-d329c4366177" xlink:to="loc_exc_NuclearDecommissioningTrustFundInvestmentsMember_7f24b0be-8dbb-4c62-b361-e167eb4d7c65" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PledgedAssetsForZionStationDecommissioningMember_30a6a5f4-7940-43b7-836c-f06fd697dff6" xlink:href="exc-20230331.xsd#exc_PledgedAssetsForZionStationDecommissioningMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_875f5a60-3d18-448e-bd8a-d329c4366177" xlink:to="loc_exc_PledgedAssetsForZionStationDecommissioningMember_30a6a5f4-7940-43b7-836c-f06fd697dff6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeMember_7341818f-4766-4163-96c5-83d10ef07966" 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_875f5a60-3d18-448e-bd8a-d329c4366177" xlink:to="loc_us-gaap_DerivativeMember_7341818f-4766-4163-96c5-83d10ef07966" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_sic_Z6311_632f3ccb-b3c8-45e3-ba90-ec5a2c473584" 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_875f5a60-3d18-448e-bd8a-d329c4366177" xlink:to="loc_sic_Z6311_632f3ccb-b3c8-45e3-ba90-ec5a2c473584" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_f1b83667-13be-4594-b7f9-3237d7526709" 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_f004061c-95c5-4192-a0ca-8126e6b4aa8d" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_f1b83667-13be-4594-b7f9-3237d7526709" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_15ea85e5-b03f-462d-8771-283d6c8e385c" 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_f1b83667-13be-4594-b7f9-3237d7526709" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_15ea85e5-b03f-462d-8771-283d6c8e385c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_dbe5d0db-9644-4402-a32d-b384b623f8ca" 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_15ea85e5-b03f-462d-8771-283d6c8e385c" xlink:to="loc_us-gaap_InterestRateSwapMember_dbe5d0db-9644-4402-a32d-b384b623f8ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_cf717e15-c8e7-41b0-a105-ebc642718b74" 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_f004061c-95c5-4192-a0ca-8126e6b4aa8d" xlink:to="loc_srt_ConsolidationItemsAxis_cf717e15-c8e7-41b0-a105-ebc642718b74" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_3dedbad2-1dc8-4418-bb34-ad906e9b25ff" 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_cf717e15-c8e7-41b0-a105-ebc642718b74" xlink:to="loc_srt_ConsolidationItemsDomain_3dedbad2-1dc8-4418-bb34-ad906e9b25ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationEliminationsMember_0dc57eda-058f-461e-9910-c3f9f580f6c6" 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_3dedbad2-1dc8-4418-bb34-ad906e9b25ff" xlink:to="loc_srt_ConsolidationEliminationsMember_0dc57eda-058f-461e-9910-c3f9f580f6c6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_4a7b0f0a-072e-4ce5-aa9f-6e0331f42f8d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_f004061c-95c5-4192-a0ca-8126e6b4aa8d" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_4a7b0f0a-072e-4ce5-aa9f-6e0331f42f8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_09a8702b-6d90-44fa-bbba-342ce600584b" 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_4a7b0f0a-072e-4ce5-aa9f-6e0331f42f8d" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_09a8702b-6d90-44fa-bbba-342ce600584b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_daf760ef-f1f6-4132-afad-2579d21bd133" 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_09a8702b-6d90-44fa-bbba-342ce600584b" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_daf760ef-f1f6-4132-afad-2579d21bd133" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_392aaa98-3805-48b2-b4a9-4442611356a7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_f004061c-95c5-4192-a0ca-8126e6b4aa8d" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_392aaa98-3805-48b2-b4a9-4442611356a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_c836c349-f094-442a-958d-74b397e16f08" 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_392aaa98-3805-48b2-b4a9-4442611356a7" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_c836c349-f094-442a-958d-74b397e16f08" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInMarginDepositsOutstanding_762871b2-f820-442d-8e66-983051a62a86" 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_392aaa98-3805-48b2-b4a9-4442611356a7" xlink:to="loc_us-gaap_IncreaseDecreaseInMarginDepositsOutstanding_762871b2-f820-442d-8e66-983051a62a86" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_a3a0833a-b717-4a0a-af75-0d1513e0b063" 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_392aaa98-3805-48b2-b4a9-4442611356a7" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_a3a0833a-b717-4a0a-af75-0d1513e0b063" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossAbstract_dcbeb251-b1e1-472d-9d8a-eb3227b17550" xlink:href="exc-20230331.xsd#exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossAbstract"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_392aaa98-3805-48b2-b4a9-4442611356a7" xlink:to="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossAbstract_dcbeb251-b1e1-472d-9d8a-eb3227b17550" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_99b52b0d-f53b-4ec1-81c5-3892c837f867" 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_dcbeb251-b1e1-472d-9d8a-eb3227b17550" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_99b52b0d-f53b-4ec1-81c5-3892c837f867" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisIncludedInNoncurrentPayablesToAffiliates_e06d5e23-2d25-4f10-9a12-264ad353262c" xlink:href="exc-20230331.xsd#exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisIncludedInNoncurrentPayablesToAffiliates"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossAbstract_dcbeb251-b1e1-472d-9d8a-eb3227b17550" xlink:to="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisIncludedInNoncurrentPayablesToAffiliates_e06d5e23-2d25-4f10-9a12-264ad353262c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInNuclearDecommissioningPayable_67dd1e3d-cb58-4c94-ae38-83aa712bd997" xlink:href="exc-20230331.xsd#exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInNuclearDecommissioningPayable"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossAbstract_dcbeb251-b1e1-472d-9d8a-eb3227b17550" xlink:to="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedInNuclearDecommissioningPayable_67dd1e3d-cb58-4c94-ae38-83aa712bd997" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisIncludedInRegulatoryassets_5078072b-c4e4-4c87-9b5b-100819b71409" xlink:href="exc-20230331.xsd#exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisIncludedInRegulatoryassets"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossAbstract_dcbeb251-b1e1-472d-9d8a-eb3227b17550" xlink:to="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisIncludedInRegulatoryassets_5078072b-c4e4-4c87-9b5b-100819b71409" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossChangeInCollateral_48575e28-b23d-4283-ba4f-3f8ea9da587b" xlink:href="exc-20230331.xsd#exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossChangeInCollateral"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_392aaa98-3805-48b2-b4a9-4442611356a7" xlink:to="loc_exc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossChangeInCollateral_48575e28-b23d-4283-ba4f-3f8ea9da587b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_9dbf1b0c-2e87-46d4-803a-4503053ae99c" 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_392aaa98-3805-48b2-b4a9-4442611356a7" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_9dbf1b0c-2e87-46d4-803a-4503053ae99c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_1d81ee35-7b3f-41ce-9799-fcd0fa1032b3" 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_9dbf1b0c-2e87-46d4-803a-4503053ae99c" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_1d81ee35-7b3f-41ce-9799-fcd0fa1032b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_9ba01f3a-03d7-432d-a9aa-cf02bd01a10f" 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_9dbf1b0c-2e87-46d4-803a-4503053ae99c" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_9ba01f3a-03d7-432d-a9aa-cf02bd01a10f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues_6e0144ab-e64c-4cc5-bffa-c4bfcdd369b5" 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_9dbf1b0c-2e87-46d4-803a-4503053ae99c" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues_6e0144ab-e64c-4cc5-bffa-c4bfcdd369b5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_f7c8deff-58fa-4dd8-96dc-5ba47c765d60" 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_9dbf1b0c-2e87-46d4-803a-4503053ae99c" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_f7c8deff-58fa-4dd8-96dc-5ba47c765d60" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_218d62f4-8598-4b05-877e-c65e3c72e1e2" 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_392aaa98-3805-48b2-b4a9-4442611356a7" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_218d62f4-8598-4b05-877e-c65e3c72e1e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3_eef38f76-a9f6-4e2b-91aa-ae9fc1339c0a" 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_392aaa98-3805-48b2-b4a9-4442611356a7" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3_eef38f76-a9f6-4e2b-91aa-ae9fc1339c0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_dd5e2601-ec19-48ed-8c7a-221786b907d7" 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_392aaa98-3805-48b2-b4a9-4442611356a7" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_dd5e2601-ec19-48ed-8c7a-221786b907d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_0ccd4320-fe14-462a-b7a1-0feaaadf499c" 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_392aaa98-3805-48b2-b4a9-4442611356a7" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_0ccd4320-fe14-462a-b7a1-0feaaadf499c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_ee9ef853-959a-4252-a973-b3d9a1305dfb" xlink:href="exc-20230331.xsd#exc_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract"/>
<link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_392aaa98-3805-48b2-b4a9-4442611356a7" xlink:to="loc_exc_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_ee9ef853-959a-4252-a973-b3d9a1305dfb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings_9439e385-18e0-4e2e-a979-0c0e0fa589f1" 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_ee9ef853-959a-4252-a973-b3d9a1305dfb" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings_9439e385-18e0-4e2e-a979-0c0e0fa589f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPeriodIncreaseDecrease_6f4ddfe6-6b4d-4c8d-8e41-a6d64c91498e" 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_ee9ef853-959a-4252-a973-b3d9a1305dfb" xlink:to="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPeriodIncreaseDecrease_6f4ddfe6-6b4d-4c8d-8e41-a6d64c91498e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealizedInvestmentGainsLosses_8fa3a80a-eb77-4239-887e-9f7f11a8cb76" 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_ee9ef853-959a-4252-a973-b3d9a1305dfb" xlink:to="loc_us-gaap_RealizedInvestmentGainsLosses_8fa3a80a-eb77-4239-887e-9f7f11a8cb76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_0690ea63-178e-4988-a8bd-98c1552c34ab" 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_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_392aaa98-3805-48b2-b4a9-4442611356a7" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_0690ea63-178e-4988-a8bd-98c1552c34ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_23289215-3023-4c0d-85c3-b2c9c39da3be" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeAssets"/>
<link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_392aaa98-3805-48b2-b4a9-4442611356a7" xlink:to="loc_us-gaap_DerivativeAssets_23289215-3023-4c0d-85c3-b2c9c39da3be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_d7d77a12-c0ec-4069-b451-c7d87beea9ce" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeLiabilitiesCurrent"/>
<link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_392aaa98-3805-48b2-b4a9-4442611356a7" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_d7d77a12-c0ec-4069-b451-c7d87beea9ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
<link:roleRef roleURI="http://www.exeloncorp.com/role/FairValueofFinancialAssetsandLiabilitiesFairValueInputsAssetsQuantitativeInformationDetails" xlink:type="simple" xlink:href="exc-20230331.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_621317e8-d3c1-4b26-90dd-385eba889bd6" 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_ef2570d8-47de-45b0-993e-a8b51867e405" 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_621317e8-d3c1-4b26-90dd-385eba889bd6" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_ef2570d8-47de-45b0-993e-a8b51867e405" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_9398d13d-c70e-4b97-889a-4cfbf4a8ce27" 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_ef2570d8-47de-45b0-993e-a8b51867e405" xlink:to="loc_dei_LegalEntityAxis_9398d13d-c70e-4b97-889a-4cfbf4a8ce27" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_901e5e79-cc17-45b4-ad9e-a028008dabb7" 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_9398d13d-c70e-4b97-889a-4cfbf4a8ce27" xlink:to="loc_dei_EntityDomain_901e5e79-cc17-45b4-ad9e-a028008dabb7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_b75a28ca-73fb-4191-afa3-548b33c8626f" xlink:href="exc-20230331.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_901e5e79-cc17-45b4-ad9e-a028008dabb7" xlink:to="loc_exc_ExelonGenerationCoLLCMember_b75a28ca-73fb-4191-afa3-548b33c8626f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_ad7df876-9d7f-42ce-b5ab-2ea07472959f" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_901e5e79-cc17-45b4-ad9e-a028008dabb7" xlink:to="loc_exc_CommonwealthEdisonCoMember_ad7df876-9d7f-42ce-b5ab-2ea07472959f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_59187733-5d5d-434c-9532-7e4fa7e905e2" 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_ef2570d8-47de-45b0-993e-a8b51867e405" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_59187733-5d5d-434c-9532-7e4fa7e905e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_026382d2-7664-40fd-973f-6729c299faa8" 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_59187733-5d5d-434c-9532-7e4fa7e905e2" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_026382d2-7664-40fd-973f-6729c299faa8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_4bdf47d4-590b-4f40-8b65-b28a3accb1cd" 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_026382d2-7664-40fd-973f-6729c299faa8" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_4bdf47d4-590b-4f40-8b65-b28a3accb1cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_26f25d73-3398-4a34-943d-06caba46dd5c" 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_ef2570d8-47de-45b0-993e-a8b51867e405" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_26f25d73-3398-4a34-943d-06caba46dd5c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_d71c3c6c-070c-43c8-a4d3-08dc14fd6493" 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_26f25d73-3398-4a34-943d-06caba46dd5c" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_d71c3c6c-070c-43c8-a4d3-08dc14fd6493" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EconomicHedgingInstrumentMember_acf1386d-42ec-4abb-94de-cf22061208a3" xlink:href="exc-20230331.xsd#exc_EconomicHedgingInstrumentMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_d71c3c6c-070c-43c8-a4d3-08dc14fd6493" xlink:to="loc_exc_EconomicHedgingInstrumentMember_acf1386d-42ec-4abb-94de-cf22061208a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeMember_c5259670-4e72-4c70-843d-48bc92bed4ad" 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_d71c3c6c-070c-43c8-a4d3-08dc14fd6493" xlink:to="loc_us-gaap_DerivativeMember_c5259670-4e72-4c70-843d-48bc92bed4ad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ProprietaryTradingMember_9021e0bf-75b7-4dd0-b5a5-39e6a381aaa8" xlink:href="exc-20230331.xsd#exc_ProprietaryTradingMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_d71c3c6c-070c-43c8-a4d3-08dc14fd6493" xlink:to="loc_exc_ProprietaryTradingMember_9021e0bf-75b7-4dd0-b5a5-39e6a381aaa8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueAxis_ed8a6ef3-ef4b-4aff-a95a-75d3ec4bcc9d" 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_ef2570d8-47de-45b0-993e-a8b51867e405" xlink:to="loc_us-gaap_ValuationTechniqueAxis_ed8a6ef3-ef4b-4aff-a95a-75d3ec4bcc9d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueDomain_cd6c464d-5882-4963-bc37-8e00f70f4f8d" 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_ed8a6ef3-ef4b-4aff-a95a-75d3ec4bcc9d" xlink:to="loc_us-gaap_ValuationTechniqueDomain_cd6c464d-5882-4963-bc37-8e00f70f4f8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeApproachValuationTechniqueMember_e86726c3-b7ee-4a0f-8628-56d523976d7b" 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_cd6c464d-5882-4963-bc37-8e00f70f4f8d" xlink:to="loc_us-gaap_IncomeApproachValuationTechniqueMember_e86726c3-b7ee-4a0f-8628-56d523976d7b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OptionModelValuationTechniqueMember_226e97cd-018e-47a8-8b5d-1211df09e6e3" xlink:href="exc-20230331.xsd#exc_OptionModelValuationTechniqueMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationTechniqueDomain_cd6c464d-5882-4963-bc37-8e00f70f4f8d" xlink:to="loc_exc_OptionModelValuationTechniqueMember_226e97cd-018e-47a8-8b5d-1211df09e6e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_8e120b86-92a2-46a4-b622-77602be41069" 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_ef2570d8-47de-45b0-993e-a8b51867e405" xlink:to="loc_srt_RangeAxis_8e120b86-92a2-46a4-b622-77602be41069" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_59915267-8ead-4fa5-8edc-8d551371d145" 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_8e120b86-92a2-46a4-b622-77602be41069" xlink:to="loc_srt_RangeMember_59915267-8ead-4fa5-8edc-8d551371d145" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_50e8fe8c-1579-4ddb-8bc0-bab7eb8a7201" 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_59915267-8ead-4fa5-8edc-8d551371d145" xlink:to="loc_srt_MinimumMember_50e8fe8c-1579-4ddb-8bc0-bab7eb8a7201" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_db54acdd-3fb9-44f5-b9fe-4b37446c9018" 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_59915267-8ead-4fa5-8edc-8d551371d145" xlink:to="loc_srt_MaximumMember_db54acdd-3fb9-44f5-b9fe-4b37446c9018" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ArithmeticAverageMember_f2048f52-4561-452a-90a2-ccc726c399bf" 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_59915267-8ead-4fa5-8edc-8d551371d145" xlink:to="loc_srt_ArithmeticAverageMember_f2048f52-4561-452a-90a2-ccc726c399bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_f1134824-e231-4ba3-912a-634150dde06f" 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_ef2570d8-47de-45b0-993e-a8b51867e405" xlink:to="loc_us-gaap_DerivativesFairValueLineItems_f1134824-e231-4ba3-912a-634150dde06f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_79b1702f-5121-4087-bf2c-4cf54cde508d" 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_f1134824-e231-4ba3-912a-634150dde06f" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_79b1702f-5121-4087-bf2c-4cf54cde508d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_d82a97c8-941a-44f2-a088-88f363476cac" 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_f1134824-e231-4ba3-912a-634150dde06f" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_d82a97c8-941a-44f2-a088-88f363476cac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_3c2bbd2b-670b-4406-8647-76a0b6fe311c" 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_f1134824-e231-4ba3-912a-634150dde06f" xlink:to="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_3c2bbd2b-670b-4406-8647-76a0b6fe311c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueInputsForwardPowerPriceAssets_685b0f93-7701-4727-ba46-86b5ea47e691" xlink:href="exc-20230331.xsd#exc_FairValueInputsForwardPowerPriceAssets"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_3c2bbd2b-670b-4406-8647-76a0b6fe311c" xlink:to="loc_exc_FairValueInputsForwardPowerPriceAssets_685b0f93-7701-4727-ba46-86b5ea47e691" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueInputsForwardGasPriceAssets_482ce1af-3018-4a19-a732-9fd220196734" xlink:href="exc-20230331.xsd#exc_FairValueInputsForwardGasPriceAssets"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_3c2bbd2b-670b-4406-8647-76a0b6fe311c" xlink:to="loc_exc_FairValueInputsForwardGasPriceAssets_482ce1af-3018-4a19-a732-9fd220196734" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetLiabilityNetMeasurementInput_faa73cd9-a478-429e-93a4-49c335f69d37" 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_3c2bbd2b-670b-4406-8647-76a0b6fe311c" xlink:to="loc_us-gaap_DerivativeAssetLiabilityNetMeasurementInput_faa73cd9-a478-429e-93a4-49c335f69d37" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueInputsForwardHeatRate_ea536d3f-d146-4642-bbbb-8029726bafbc" xlink:href="exc-20230331.xsd#exc_FairValueInputsForwardHeatRate"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_3c2bbd2b-670b-4406-8647-76a0b6fe311c" xlink:to="loc_exc_FairValueInputsForwardHeatRate_ea536d3f-d146-4642-bbbb-8029726bafbc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueInputsRenewableFactor_92b0b933-b477-4b52-adbc-b887be73aac8" xlink:href="exc-20230331.xsd#exc_FairValueInputsRenewableFactor"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_3c2bbd2b-670b-4406-8647-76a0b6fe311c" xlink:to="loc_exc_FairValueInputsRenewableFactor_92b0b933-b477-4b52-adbc-b887be73aac8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DerivativesFairValueFootnotesAbstract_a1568c91-fbf0-4ca1-b161-060274f3d732" xlink:href="exc-20230331.xsd#exc_DerivativesFairValueFootnotesAbstract"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_f1134824-e231-4ba3-912a-634150dde06f" xlink:to="loc_exc_DerivativesFairValueFootnotesAbstract_a1568c91-fbf0-4ca1-b161-060274f3d732" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CashCollateralPosted_d145f871-326a-4694-bd95-119dbbd10d56" xlink:href="exc-20230331.xsd#exc_CashCollateralPosted"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_DerivativesFairValueFootnotesAbstract_a1568c91-fbf0-4ca1-b161-060274f3d732" xlink:to="loc_exc_CashCollateralPosted_d145f871-326a-4694-bd95-119dbbd10d56" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_FairValueInputsForwardPowerPrice_fdfa1686-c0a0-4e46-9c6a-0bc59e51884e" xlink:href="exc-20230331.xsd#exc_FairValueInputsForwardPowerPrice"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_f1134824-e231-4ba3-912a-634150dde06f" xlink:to="loc_exc_FairValueInputsForwardPowerPrice_fdfa1686-c0a0-4e46-9c6a-0bc59e51884e" 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-20230331.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_9aeec7ae-ec75-408e-a9b6-e499eca0c8ab" 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_e0dd1004-18f9-4054-8bad-f6e72bcee371" xlink:href="exc-20230331.xsd#exc_CommitmentsAndContingenciesAdditionalNarrativeInformationTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_9aeec7ae-ec75-408e-a9b6-e499eca0c8ab" xlink:to="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationTable_e0dd1004-18f9-4054-8bad-f6e72bcee371" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_39f049e2-0363-4ff6-9826-1c67eb631563" 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_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationTable_e0dd1004-18f9-4054-8bad-f6e72bcee371" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_39f049e2-0363-4ff6-9826-1c67eb631563" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_46b7cf20-3e3d-4d50-8e55-6a31e17fb717" 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_39f049e2-0363-4ff6-9826-1c67eb631563" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_46b7cf20-3e3d-4d50-8e55-6a31e17fb717" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PEPCOHoldingsIncMember_67d97811-122b-46c9-9884-a8cb1a5bd6b9" xlink:href="exc-20230331.xsd#exc_PEPCOHoldingsIncMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_46b7cf20-3e3d-4d50-8e55-6a31e17fb717" xlink:to="loc_exc_PEPCOHoldingsIncMember_67d97811-122b-46c9-9884-a8cb1a5bd6b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_ff562229-a8ce-4a45-9e39-7d4f129c74f1" 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_CommitmentsAndContingenciesAdditionalNarrativeInformationTable_e0dd1004-18f9-4054-8bad-f6e72bcee371" xlink:to="loc_dei_LegalEntityAxis_ff562229-a8ce-4a45-9e39-7d4f129c74f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_0edfc831-b4d1-49c8-833f-574234dfee02" 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_ff562229-a8ce-4a45-9e39-7d4f129c74f1" xlink:to="loc_dei_EntityDomain_0edfc831-b4d1-49c8-833f-574234dfee02" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_ca18322d-55d1-4efa-a7a9-8daf4a711131" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0edfc831-b4d1-49c8-833f-574234dfee02" xlink:to="loc_exc_CommonwealthEdisonCoMember_ca18322d-55d1-4efa-a7a9-8daf4a711131" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_193ae726-9294-4b19-9608-5beff494d53f" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0edfc831-b4d1-49c8-833f-574234dfee02" xlink:to="loc_exc_PecoEnergyCoMember_193ae726-9294-4b19-9608-5beff494d53f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_c10c7f98-d04a-4134-b48d-d7f51bf8f12d" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0edfc831-b4d1-49c8-833f-574234dfee02" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_c10c7f98-d04a-4134-b48d-d7f51bf8f12d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_829052dc-2613-4c4a-a920-61dea7ab70ee" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0edfc831-b4d1-49c8-833f-574234dfee02" xlink:to="loc_exc_PepcoHoldingsLLCMember_829052dc-2613-4c4a-a920-61dea7ab70ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_cec1c6a5-d8b1-4062-8ad4-537614ee6ee1" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0edfc831-b4d1-49c8-833f-574234dfee02" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_cec1c6a5-d8b1-4062-8ad4-537614ee6ee1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_67e8e63a-ecf4-4f6c-8ff1-47188f4b4e37" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0edfc831-b4d1-49c8-833f-574234dfee02" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_67e8e63a-ecf4-4f6c-8ff1-47188f4b4e37" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonBusinessServicesCoAffiliateMember_f262a58b-0501-4d9c-95de-a35a87bca3cb" xlink:href="exc-20230331.xsd#exc_ExelonBusinessServicesCoAffiliateMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0edfc831-b4d1-49c8-833f-574234dfee02" xlink:to="loc_exc_ExelonBusinessServicesCoAffiliateMember_f262a58b-0501-4d9c-95de-a35a87bca3cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatutoryAccountingPracticesByJurisdictionAxis_4a3b398c-cdaa-4968-aab9-9201a5383cb3" 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_CommitmentsAndContingenciesAdditionalNarrativeInformationTable_e0dd1004-18f9-4054-8bad-f6e72bcee371" xlink:to="loc_us-gaap_StatutoryAccountingPracticesByJurisdictionAxis_4a3b398c-cdaa-4968-aab9-9201a5383cb3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatutoryAccountingPracticesJurisdictionDomain_0c8e6ebf-4a04-493f-af7f-49a3f004bd85" 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_4a3b398c-cdaa-4968-aab9-9201a5383cb3" xlink:to="loc_us-gaap_StatutoryAccountingPracticesJurisdictionDomain_0c8e6ebf-4a04-493f-af7f-49a3f004bd85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_stpr_IL_f4d79b3c-02e3-462b-8a65-ebda11f736d2" 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_0c8e6ebf-4a04-493f-af7f-49a3f004bd85" xlink:to="loc_stpr_IL_f4d79b3c-02e3-462b-8a65-ebda11f736d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_IllinoisChamberOfCommerceMember_df3b1268-ba91-4307-9b54-cc6532710681" xlink:href="exc-20230331.xsd#exc_IllinoisChamberOfCommerceMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatutoryAccountingPracticesJurisdictionDomain_0c8e6ebf-4a04-493f-af7f-49a3f004bd85" xlink:to="loc_exc_IllinoisChamberOfCommerceMember_df3b1268-ba91-4307-9b54-cc6532710681" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_6e966d07-aea4-4fe2-93c1-6106866334a5" xlink:href="exc-20230331.xsd#exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationTable_e0dd1004-18f9-4054-8bad-f6e72bcee371" xlink:to="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_6e966d07-aea4-4fe2-93c1-6106866334a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_MgpSiteContingencyMonitoringCount_76973ed9-da0e-4e68-bf98-83a73b15c35b" xlink:href="exc-20230331.xsd#exc_MgpSiteContingencyMonitoringCount"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_6e966d07-aea4-4fe2-93c1-6106866334a5" xlink:to="loc_exc_MgpSiteContingencyMonitoringCount_76973ed9-da0e-4e68-bf98-83a73b15c35b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_MgpSiteContingencyCount_552a97fe-927a-4a8b-a047-cb602e6caaeb" xlink:href="exc-20230331.xsd#exc_MgpSiteContingencyCount"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_6e966d07-aea4-4fe2-93c1-6106866334a5" xlink:to="loc_exc_MgpSiteContingencyCount_552a97fe-927a-4a8b-a047-cb602e6caaeb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty_31ec0f71-b9d1-42d6-9e30-7786172adf3e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LitigationSettlementAmountAwardedToOtherParty"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_6e966d07-aea4-4fe2-93c1-6106866334a5" xlink:to="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty_31ec0f71-b9d1-42d6-9e30-7786172adf3e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRefundLiabilityCurrent_ef51b5a8-acc0-458d-b94a-c239124a0d3f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CustomerRefundLiabilityCurrent"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_6e966d07-aea4-4fe2-93c1-6106866334a5" xlink:to="loc_us-gaap_CustomerRefundLiabilityCurrent_ef51b5a8-acc0-458d-b94a-c239124a0d3f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DeferredProsecutionAgreementLiabilityCurrent_2bbbc90c-070f-4d05-a602-f56a2c0ad158" xlink:href="exc-20230331.xsd#exc_DeferredProsecutionAgreementLiabilityCurrent"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_CommitmentsAndContingenciesAdditionalNarrativeInformationLineItems_6e966d07-aea4-4fe2-93c1-6106866334a5" xlink:to="loc_exc_DeferredProsecutionAgreementLiabilityCurrent_2bbbc90c-070f-4d05-a602-f56a2c0ad158" 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-20230331.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_2d23dc1b-8d8f-4082-abc5-28bb84571c87" 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_4cbd99f2-805c-45d0-8014-9576c42034de" 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_2d23dc1b-8d8f-4082-abc5-28bb84571c87" xlink:to="loc_us-gaap_OtherCommitmentsTable_4cbd99f2-805c-45d0-8014-9576c42034de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_0a2529c7-3dfa-4852-bc87-5ea2d4c15869" 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_4cbd99f2-805c-45d0-8014-9576c42034de" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_0a2529c7-3dfa-4852-bc87-5ea2d4c15869" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_f23f835f-935c-4138-917f-5ee5f43a9ec9" 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_0a2529c7-3dfa-4852-bc87-5ea2d4c15869" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_f23f835f-935c-4138-917f-5ee5f43a9ec9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PEPCOHoldingsIncMember_cdb04dde-c570-43b8-ac73-30bb4fe4c533" xlink:href="exc-20230331.xsd#exc_PEPCOHoldingsIncMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_f23f835f-935c-4138-917f-5ee5f43a9ec9" xlink:to="loc_exc_PEPCOHoldingsIncMember_cdb04dde-c570-43b8-ac73-30bb4fe4c533" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_2e883d92-1bae-4dcf-be29-4e03e3cf7eb4" 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_4cbd99f2-805c-45d0-8014-9576c42034de" xlink:to="loc_dei_LegalEntityAxis_2e883d92-1bae-4dcf-be29-4e03e3cf7eb4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_dbafee3e-bc12-4871-a508-7fa28e598344" 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_2e883d92-1bae-4dcf-be29-4e03e3cf7eb4" xlink:to="loc_dei_EntityDomain_dbafee3e-bc12-4871-a508-7fa28e598344" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_e9cde1b2-6de5-4b2d-9f67-2d13ef317acd" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_dbafee3e-bc12-4871-a508-7fa28e598344" xlink:to="loc_exc_PepcoHoldingsLLCMember_e9cde1b2-6de5-4b2d-9f67-2d13ef317acd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_20d09e1d-9f19-4ec4-9f26-6ee956e90a59" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_dbafee3e-bc12-4871-a508-7fa28e598344" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_20d09e1d-9f19-4ec4-9f26-6ee956e90a59" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_bc89a89e-495f-461a-a1b9-64be06437887" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_dbafee3e-bc12-4871-a508-7fa28e598344" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_bc89a89e-495f-461a-a1b9-64be06437887" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_ff372066-bc46-450d-901c-cefc8c888da2" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_dbafee3e-bc12-4871-a508-7fa28e598344" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_ff372066-bc46-450d-901c-cefc8c888da2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsAxis_da794152-f4a3-4dc4-a5e9-4dd3ddbc69f6" 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_4cbd99f2-805c-45d0-8014-9576c42034de" xlink:to="loc_us-gaap_OtherCommitmentsAxis_da794152-f4a3-4dc4-a5e9-4dd3ddbc69f6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsDomain_7fa50373-a655-46dc-a8af-733dad99d3ec" 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_da794152-f4a3-4dc4-a5e9-4dd3ddbc69f6" xlink:to="loc_us-gaap_OtherCommitmentsDomain_7fa50373-a655-46dc-a8af-733dad99d3ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RemainingCommitmentMember_234087a3-d7a1-49ba-84ad-3045674656bf" xlink:href="exc-20230331.xsd#exc_RemainingCommitmentMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsDomain_7fa50373-a655-46dc-a8af-733dad99d3ec" xlink:to="loc_exc_RemainingCommitmentMember_234087a3-d7a1-49ba-84ad-3045674656bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsLineItems_9dd6f19e-54fe-4d9d-8c43-c55787b0dc69" 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_4cbd99f2-805c-45d0-8014-9576c42034de" xlink:to="loc_us-gaap_OtherCommitmentsLineItems_9dd6f19e-54fe-4d9d-8c43-c55787b0dc69" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitment_5485b91c-8705-4292-829a-13c02ee5cd30" 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_9dd6f19e-54fe-4d9d-8c43-c55787b0dc69" xlink:to="loc_us-gaap_OtherCommitment_5485b91c-8705-4292-829a-13c02ee5cd30" 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-20230331.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_979cf83a-30a9-48b9-8d56-9dc590fae734" 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_3708c088-42a2-4d5d-a58c-09fe496dc8e6" 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_979cf83a-30a9-48b9-8d56-9dc590fae734" xlink:to="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_3708c088-42a2-4d5d-a58c-09fe496dc8e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_d66aa183-67f0-4d83-aa49-bddb7e3e4156" 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_3708c088-42a2-4d5d-a58c-09fe496dc8e6" xlink:to="loc_srt_RangeAxis_d66aa183-67f0-4d83-aa49-bddb7e3e4156" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_94e4c553-3f80-47ed-8a11-25a2d57f553e" 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_d66aa183-67f0-4d83-aa49-bddb7e3e4156" xlink:to="loc_srt_RangeMember_94e4c553-3f80-47ed-8a11-25a2d57f553e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_11972a91-5b7d-4af9-9b2d-07ac9e5c7a20" 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_94e4c553-3f80-47ed-8a11-25a2d57f553e" xlink:to="loc_srt_MinimumMember_11972a91-5b7d-4af9-9b2d-07ac9e5c7a20" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_c5c34c80-030a-4f91-b606-a0d882b00ac1" 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_94e4c553-3f80-47ed-8a11-25a2d57f553e" xlink:to="loc_srt_MaximumMember_c5c34c80-030a-4f91-b606-a0d882b00ac1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_ff9d8108-6203-4cf2-91b2-bf25fd522df4" 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_3708c088-42a2-4d5d-a58c-09fe496dc8e6" xlink:to="loc_dei_LegalEntityAxis_ff9d8108-6203-4cf2-91b2-bf25fd522df4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_fe89e73c-c2a8-471e-b75c-99c09180c2b1" 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_ff9d8108-6203-4cf2-91b2-bf25fd522df4" xlink:to="loc_dei_EntityDomain_fe89e73c-c2a8-471e-b75c-99c09180c2b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_760b3b67-b519-4bd8-9873-f6284f75fa45" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_fe89e73c-c2a8-471e-b75c-99c09180c2b1" xlink:to="loc_exc_CommonwealthEdisonCoMember_760b3b67-b519-4bd8-9873-f6284f75fa45" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_42345dee-06a3-484a-9a49-94d9887878eb" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_fe89e73c-c2a8-471e-b75c-99c09180c2b1" xlink:to="loc_exc_PecoEnergyCoMember_42345dee-06a3-484a-9a49-94d9887878eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_88ba5d2b-1d30-4248-b0b2-c68174c70f0e" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_fe89e73c-c2a8-471e-b75c-99c09180c2b1" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_88ba5d2b-1d30-4248-b0b2-c68174c70f0e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_dc23f88c-1c13-487f-9d6c-0f17b2bd23c3" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_fe89e73c-c2a8-471e-b75c-99c09180c2b1" xlink:to="loc_exc_PepcoHoldingsLLCMember_dc23f88c-1c13-487f-9d6c-0f17b2bd23c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_595e9fa4-83f1-4ddc-aa29-ffc846c5758c" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_fe89e73c-c2a8-471e-b75c-99c09180c2b1" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_595e9fa4-83f1-4ddc-aa29-ffc846c5758c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_32a456a7-f9ca-45cb-9bfb-b5fac8375d1d" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_fe89e73c-c2a8-471e-b75c-99c09180c2b1" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_32a456a7-f9ca-45cb-9bfb-b5fac8375d1d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_2d000b1d-3b6a-4ff1-b8a2-d39a343bb574" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_fe89e73c-c2a8-471e-b75c-99c09180c2b1" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_2d000b1d-3b6a-4ff1-b8a2-d39a343bb574" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsAxis_cd652dd0-6a9e-4b12-9ac0-d8eb1e30641e" 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_3708c088-42a2-4d5d-a58c-09fe496dc8e6" xlink:to="loc_us-gaap_OtherCommitmentsAxis_cd652dd0-6a9e-4b12-9ac0-d8eb1e30641e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsDomain_1c60f7a5-8350-4fe3-92bd-f307866decbf" 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_cd652dd0-6a9e-4b12-9ac0-d8eb1e30641e" xlink:to="loc_us-gaap_OtherCommitmentsDomain_1c60f7a5-8350-4fe3-92bd-f307866decbf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialStandbyLetterOfCreditMember_8f0bb94b-303a-4e62-85fe-f78951495b1e" 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_1c60f7a5-8350-4fe3-92bd-f307866decbf" xlink:to="loc_us-gaap_FinancialStandbyLetterOfCreditMember_8f0bb94b-303a-4e62-85fe-f78951495b1e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SuretyBondMember_d4a7e3bf-ca8a-4245-858f-00df880a08e3" 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_1c60f7a5-8350-4fe3-92bd-f307866decbf" xlink:to="loc_us-gaap_SuretyBondMember_d4a7e3bf-ca8a-4245-858f-00df880a08e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeOfIndebtednessOfOthersMember_15aca542-0ae7-4496-869d-8709f79ee20e" 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_1c60f7a5-8350-4fe3-92bd-f307866decbf" xlink:to="loc_us-gaap_GuaranteeOfIndebtednessOfOthersMember_15aca542-0ae7-4496-869d-8709f79ee20e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsMember_ea6c03c3-52f7-41a4-99d0-ba18c5f7b049" 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_1c60f7a5-8350-4fe3-92bd-f307866decbf" xlink:to="loc_us-gaap_GuaranteeObligationsMember_ea6c03c3-52f7-41a4-99d0-ba18c5f7b049" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StandbyLettersOfCreditMember_66caf890-aa19-4019-80e0-052bf9a612b3" 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_1c60f7a5-8350-4fe3-92bd-f307866decbf" xlink:to="loc_us-gaap_StandbyLettersOfCreditMember_66caf890-aa19-4019-80e0-052bf9a612b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsLineItems_665e7e7e-fbf7-42b7-8c62-3cae6300605e" 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_3708c088-42a2-4d5d-a58c-09fe496dc8e6" xlink:to="loc_us-gaap_OtherCommitmentsLineItems_665e7e7e-fbf7-42b7-8c62-3cae6300605e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitment_95a5cdf6-5434-4627-a71e-8a08b7b459d6" 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_665e7e7e-fbf7-42b7-8c62-3cae6300605e" xlink:to="loc_us-gaap_OtherCommitment_95a5cdf6-5434-4627-a71e-8a08b7b459d6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsFutureMinimumPaymentsRemainderOfFiscalYear_2fd14047-761e-43ec-97b0-6a5d8349a6a7" 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_665e7e7e-fbf7-42b7-8c62-3cae6300605e" xlink:to="loc_us-gaap_OtherCommitmentsFutureMinimumPaymentsRemainderOfFiscalYear_2fd14047-761e-43ec-97b0-6a5d8349a6a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentDueInNextTwelveMonths_4c879017-1dc7-4294-8d67-76603e52261d" 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_665e7e7e-fbf7-42b7-8c62-3cae6300605e" xlink:to="loc_us-gaap_OtherCommitmentDueInNextTwelveMonths_4c879017-1dc7-4294-8d67-76603e52261d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentDueInSecondYear_28d936ad-cb9c-4fe4-b9ed-2fa057bb34e9" 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_665e7e7e-fbf7-42b7-8c62-3cae6300605e" xlink:to="loc_us-gaap_OtherCommitmentDueInSecondYear_28d936ad-cb9c-4fe4-b9ed-2fa057bb34e9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentDueInThirdYear_6dbe8d98-fbfd-4b6f-9ebd-048857ae766a" 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_665e7e7e-fbf7-42b7-8c62-3cae6300605e" xlink:to="loc_us-gaap_OtherCommitmentDueInThirdYear_6dbe8d98-fbfd-4b6f-9ebd-048857ae766a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentDueInFourthYear_b82fcaa8-49de-410a-a820-f8adabe554b6" 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_665e7e7e-fbf7-42b7-8c62-3cae6300605e" xlink:to="loc_us-gaap_OtherCommitmentDueInFourthYear_b82fcaa8-49de-410a-a820-f8adabe554b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentDueInFifthYear_4a7d7ab2-d352-4858-af14-19e4a7a95847" 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_665e7e7e-fbf7-42b7-8c62-3cae6300605e" xlink:to="loc_us-gaap_OtherCommitmentDueInFifthYear_4a7d7ab2-d352-4858-af14-19e4a7a95847" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentDueAfterFifthYear_d441aba1-8e3a-44cf-b87a-f1448fafee47" 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_665e7e7e-fbf7-42b7-8c62-3cae6300605e" xlink:to="loc_us-gaap_OtherCommitmentDueAfterFifthYear_d441aba1-8e3a-44cf-b87a-f1448fafee47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeaseTermOfContract_44ca2e75-86e9-4cb7-976c-b8ef506e3310" 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_665e7e7e-fbf7-42b7-8c62-3cae6300605e" xlink:to="loc_us-gaap_LessorOperatingLeaseTermOfContract_44ca2e75-86e9-4cb7-976c-b8ef506e3310" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsMaximumExposure_c3082953-14f0-4202-8151-a7f1d358d7a4" 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_665e7e7e-fbf7-42b7-8c62-3cae6300605e" xlink:to="loc_us-gaap_GuaranteeObligationsMaximumExposure_c3082953-14f0-4202-8151-a7f1d358d7a4" 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-20230331.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_b6bf82a2-7dea-4db1-8e31-bc8b64f1ea6e" 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_0450d7ca-a7eb-4cf7-b5de-bbea1372f818" 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_b6bf82a2-7dea-4db1-8e31-bc8b64f1ea6e" xlink:to="loc_us-gaap_SiteContingencyTable_0450d7ca-a7eb-4cf7-b5de-bbea1372f818" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalRemediationSiteAxis_2ab8f863-4d3e-4e4a-99e3-adf4d8b98fc3" 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_0450d7ca-a7eb-4cf7-b5de-bbea1372f818" xlink:to="loc_us-gaap_EnvironmentalRemediationSiteAxis_2ab8f863-4d3e-4e4a-99e3-adf4d8b98fc3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalRemediationSiteDomain_e4cb7f9f-d53e-4679-9396-00b6cec74d44" 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_2ab8f863-4d3e-4e4a-99e3-adf4d8b98fc3" xlink:to="loc_us-gaap_EnvironmentalRemediationSiteDomain_e4cb7f9f-d53e-4679-9396-00b6cec74d44" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AccrualForMgpInvestigationAndRemediationMember_08dc227a-37d8-4d45-8970-100c7920432c" xlink:href="exc-20230331.xsd#exc_AccrualForMgpInvestigationAndRemediationMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EnvironmentalRemediationSiteDomain_e4cb7f9f-d53e-4679-9396-00b6cec74d44" xlink:to="loc_exc_AccrualForMgpInvestigationAndRemediationMember_08dc227a-37d8-4d45-8970-100c7920432c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_14085f22-d106-4e27-bc0c-411665ea17b1" 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_0450d7ca-a7eb-4cf7-b5de-bbea1372f818" xlink:to="loc_dei_LegalEntityAxis_14085f22-d106-4e27-bc0c-411665ea17b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_1d619b8d-00cb-4866-9f55-e7dc2ef2adf5" 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_14085f22-d106-4e27-bc0c-411665ea17b1" xlink:to="loc_dei_EntityDomain_1d619b8d-00cb-4866-9f55-e7dc2ef2adf5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_371a266b-f4f5-45ae-8330-4b150b82bfe0" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1d619b8d-00cb-4866-9f55-e7dc2ef2adf5" xlink:to="loc_exc_CommonwealthEdisonCoMember_371a266b-f4f5-45ae-8330-4b150b82bfe0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_493719b9-6dcd-486a-bd55-e5339f9f6948" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1d619b8d-00cb-4866-9f55-e7dc2ef2adf5" xlink:to="loc_exc_PecoEnergyCoMember_493719b9-6dcd-486a-bd55-e5339f9f6948" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_90811aa6-317f-47ae-b045-b1e9926686e4" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1d619b8d-00cb-4866-9f55-e7dc2ef2adf5" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_90811aa6-317f-47ae-b045-b1e9926686e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_0abce7b3-46ad-4768-bf1c-554bdc7b0ad6" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1d619b8d-00cb-4866-9f55-e7dc2ef2adf5" xlink:to="loc_exc_PepcoHoldingsLLCMember_0abce7b3-46ad-4768-bf1c-554bdc7b0ad6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_e4cb836b-64dc-4a99-ad4c-10b7650c80b1" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1d619b8d-00cb-4866-9f55-e7dc2ef2adf5" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_e4cb836b-64dc-4a99-ad4c-10b7650c80b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_fdc5789f-660f-4ff3-85a4-161158d0853e" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1d619b8d-00cb-4866-9f55-e7dc2ef2adf5" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_fdc5789f-660f-4ff3-85a4-161158d0853e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_73895492-10f2-467b-b9a1-5b7b584df306" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1d619b8d-00cb-4866-9f55-e7dc2ef2adf5" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_73895492-10f2-467b-b9a1-5b7b584df306" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SiteContingencyLineItems_2265ffd0-368c-4c70-9580-6adf00e890d2" 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_0450d7ca-a7eb-4cf7-b5de-bbea1372f818" xlink:to="loc_us-gaap_SiteContingencyLineItems_2265ffd0-368c-4c70-9580-6adf00e890d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingenciesGross_c05f2b13-5275-465b-926c-3be44045be9e" 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_2265ffd0-368c-4c70-9580-6adf00e890d2" xlink:to="loc_us-gaap_AccrualForEnvironmentalLossContingenciesGross_c05f2b13-5275-465b-926c-3be44045be9e" 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-20230331.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_c1de32a9-abf1-414b-9013-e12488bce970" 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_StatementLineItems_615cbc38-a457-4b4f-b6d8-eff6941a798f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_c1de32a9-abf1-414b-9013-e12488bce970" xlink:to="loc_us-gaap_StatementLineItems_615cbc38-a457-4b4f-b6d8-eff6941a798f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EquityDistributionAgreement_d595fe60-c974-4b97-8a74-9042c54d479c" xlink:href="exc-20230331.xsd#exc_EquityDistributionAgreement"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_615cbc38-a457-4b4f-b6d8-eff6941a798f" xlink:to="loc_exc_EquityDistributionAgreement_d595fe60-c974-4b97-8a74-9042c54d479c" 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-20230331.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_c602a89f-501a-40bb-bccd-0eaeb257bf89" xlink:href="exc-20230331.xsd#exc_ChangesinAccumulatedOtherComprehensiveIncomeAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_ad392055-b5bf-43db-b72f-738c8db34e01" 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_c602a89f-501a-40bb-bccd-0eaeb257bf89" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_ad392055-b5bf-43db-b72f-738c8db34e01" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_54de84b4-d6fe-4632-8636-3c6a170e93d7" 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_ad392055-b5bf-43db-b72f-738c8db34e01" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_54de84b4-d6fe-4632-8636-3c6a170e93d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_ea7cf97a-88df-41cf-ae18-4b8a61fbcae0" 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_54de84b4-d6fe-4632-8636-3c6a170e93d7" xlink:to="loc_us-gaap_EquityComponentDomain_ea7cf97a-88df-41cf-ae18-4b8a61fbcae0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_2a7c1b1d-30ce-486c-9f71-5af29a0fc525" 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_ea7cf97a-88df-41cf-ae18-4b8a61fbcae0" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_2a7c1b1d-30ce-486c-9f71-5af29a0fc525" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_30a75acf-e114-4c37-859f-d7d11618494a" 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_ea7cf97a-88df-41cf-ae18-4b8a61fbcae0" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_30a75acf-e114-4c37-859f-d7d11618494a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_fb9c402c-70b9-4ba8-bbee-eca42e91436e" 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_ea7cf97a-88df-41cf-ae18-4b8a61fbcae0" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_fb9c402c-70b9-4ba8-bbee-eca42e91436e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_fd471969-9515-44af-9432-ca833010a3fe" 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_ea7cf97a-88df-41cf-ae18-4b8a61fbcae0" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_fd471969-9515-44af-9432-ca833010a3fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_c55f0f7c-4efd-4b96-a539-c21d24db0a9f" 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_ad392055-b5bf-43db-b72f-738c8db34e01" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_c55f0f7c-4efd-4b96-a539-c21d24db0a9f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_277e1128-16c5-4e53-aad1-95f2e1c35e4f" 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_c55f0f7c-4efd-4b96-a539-c21d24db0a9f" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_277e1128-16c5-4e53-aad1-95f2e1c35e4f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_9154587a-44b2-45b9-bfbb-3fbb6a316263" xlink:href="exc-20230331.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_277e1128-16c5-4e53-aad1-95f2e1c35e4f" xlink:to="loc_exc_ExelonGenerationCoLLCMember_9154587a-44b2-45b9-bfbb-3fbb6a316263" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_7022bad0-aea6-473f-bc92-f69d660a0240" 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_ad392055-b5bf-43db-b72f-738c8db34e01" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_7022bad0-aea6-473f-bc92-f69d660a0240" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_f19e9939-fdff-4e1c-8cb9-593fcd1b4f9a" 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_7022bad0-aea6-473f-bc92-f69d660a0240" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_f19e9939-fdff-4e1c-8cb9-593fcd1b4f9a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_5966ebfa-ca04-4d4c-91be-1730ba0ea234" 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_f19e9939-fdff-4e1c-8cb9-593fcd1b4f9a" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_5966ebfa-ca04-4d4c-91be-1730ba0ea234" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_fcbccd97-dd63-4261-bd60-23db4b4fab45" 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_ad392055-b5bf-43db-b72f-738c8db34e01" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_fcbccd97-dd63-4261-bd60-23db4b4fab45" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_MovementinAccumulatedOtherComprehensiveIncomeRollForward_a287a75f-5c07-4e21-9868-6e54499f9ca5" xlink:href="exc-20230331.xsd#exc_MovementinAccumulatedOtherComprehensiveIncomeRollForward"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_fcbccd97-dd63-4261-bd60-23db4b4fab45" xlink:to="loc_exc_MovementinAccumulatedOtherComprehensiveIncomeRollForward_a287a75f-5c07-4e21-9868-6e54499f9ca5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_f17271a5-7b0c-4e43-8677-cb1760e8de5b" 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_a287a75f-5c07-4e21-9868-6e54499f9ca5" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_f17271a5-7b0c-4e43-8677-cb1760e8de5b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_f3d1bdc2-7fe5-4f1d-9326-3a6586f1962d" 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_a287a75f-5c07-4e21-9868-6e54499f9ca5" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_f3d1bdc2-7fe5-4f1d-9326-3a6586f1962d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_1fcd4a4d-c71e-4a45-82c3-2d9d26a7eea7" 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_a287a75f-5c07-4e21-9868-6e54499f9ca5" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_1fcd4a4d-c71e-4a45-82c3-2d9d26a7eea7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_d6fefd2c-dd96-4d87-b031-1c9eeb6889b0" 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_a287a75f-5c07-4e21-9868-6e54499f9ca5" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_d6fefd2c-dd96-4d87-b031-1c9eeb6889b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_48de42b0-9320-4c71-b42c-44fd4bdce998" 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_a287a75f-5c07-4e21-9868-6e54499f9ca5" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_48de42b0-9320-4c71-b42c-44fd4bdce998" 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-20230331.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_288df57e-aede-4b75-b7ff-15d4869f690a" xlink:href="exc-20230331.xsd#exc_ChangesinAccumulatedOtherComprehensiveIncomeAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_f216e97a-77ef-4f16-b300-75c5e1e32328" 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_288df57e-aede-4b75-b7ff-15d4869f690a" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_f216e97a-77ef-4f16-b300-75c5e1e32328" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_fb0bbe20-3ce9-4528-a9fb-119aa1c8b905" 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_f216e97a-77ef-4f16-b300-75c5e1e32328" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_fb0bbe20-3ce9-4528-a9fb-119aa1c8b905" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_65059a2b-959e-435d-9fc6-244e83a907dc" 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_fb0bbe20-3ce9-4528-a9fb-119aa1c8b905" xlink:to="loc_us-gaap_EquityComponentDomain_65059a2b-959e-435d-9fc6-244e83a907dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember_95c67dd3-018d-4521-803b-b14641afe360" 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_65059a2b-959e-435d-9fc6-244e83a907dc" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember_95c67dd3-018d-4521-803b-b14641afe360" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_a127e1d3-5b58-4dd7-baf5-b95064f8c208" 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_65059a2b-959e-435d-9fc6-244e83a907dc" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_a127e1d3-5b58-4dd7-baf5-b95064f8c208" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_2100075d-5fde-4366-853a-9a8cd6f4b066" 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_65059a2b-959e-435d-9fc6-244e83a907dc" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_2100075d-5fde-4366-853a-9a8cd6f4b066" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_98eb8bc7-74e0-4bc7-bd84-2fd11b0d5137" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_65059a2b-959e-435d-9fc6-244e83a907dc" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_98eb8bc7-74e0-4bc7-bd84-2fd11b0d5137" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_31eb4bb3-0276-4e61-9487-ee555d6c66d7" 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_f216e97a-77ef-4f16-b300-75c5e1e32328" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_31eb4bb3-0276-4e61-9487-ee555d6c66d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_8ed321ea-064d-45c4-bf58-fc5455d5433b" 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_31eb4bb3-0276-4e61-9487-ee555d6c66d7" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTax_8ed321ea-064d-45c4-bf58-fc5455d5433b" 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-20230331.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_8357fb53-b5b6-41c8-a441-b6f4b446051a" xlink:href="exc-20230331.xsd#exc_SupplementalFinancialInformationAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalStatementofOperationsInformationTable_5a938881-1e2e-4596-9681-4ea5fc1050e2" xlink:href="exc-20230331.xsd#exc_SupplementalStatementofOperationsInformationTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalFinancialInformationAbstract_8357fb53-b5b6-41c8-a441-b6f4b446051a" xlink:to="loc_exc_SupplementalStatementofOperationsInformationTable_5a938881-1e2e-4596-9681-4ea5fc1050e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_2f02b20a-07d8-4cef-b5f9-e574edbcbf57" 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_5a938881-1e2e-4596-9681-4ea5fc1050e2" xlink:to="loc_dei_LegalEntityAxis_2f02b20a-07d8-4cef-b5f9-e574edbcbf57" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_4e934e83-6787-4290-933f-a7b467fbc055" 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_2f02b20a-07d8-4cef-b5f9-e574edbcbf57" xlink:to="loc_dei_EntityDomain_4e934e83-6787-4290-933f-a7b467fbc055" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_119b4ac6-acef-48f1-a824-f2f8500c7511" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_4e934e83-6787-4290-933f-a7b467fbc055" xlink:to="loc_exc_CommonwealthEdisonCoMember_119b4ac6-acef-48f1-a824-f2f8500c7511" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_a6ab0245-b46d-4c68-8df7-97abfe2017ef" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_4e934e83-6787-4290-933f-a7b467fbc055" xlink:to="loc_exc_PecoEnergyCoMember_a6ab0245-b46d-4c68-8df7-97abfe2017ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_2f833f86-1135-4131-af44-23b75d710158" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_4e934e83-6787-4290-933f-a7b467fbc055" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_2f833f86-1135-4131-af44-23b75d710158" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_2b7af858-514c-4ea3-b220-95a7280836aa" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_4e934e83-6787-4290-933f-a7b467fbc055" xlink:to="loc_exc_PepcoHoldingsLLCMember_2b7af858-514c-4ea3-b220-95a7280836aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_4575c3e5-7d14-4512-89a6-d3055c423a4b" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_4e934e83-6787-4290-933f-a7b467fbc055" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_4575c3e5-7d14-4512-89a6-d3055c423a4b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_a2bc6c82-ce33-4478-b654-4197ac7a2ee3" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_4e934e83-6787-4290-933f-a7b467fbc055" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_a2bc6c82-ce33-4478-b654-4197ac7a2ee3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_70f390dd-4bcf-40c8-874c-c49e98511e16" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_4e934e83-6787-4290-933f-a7b467fbc055" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_70f390dd-4bcf-40c8-874c-c49e98511e16" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalStatementofOperationsInformationLineItems_d1d189c0-c9b4-4d77-8322-d7783b58c574" xlink:href="exc-20230331.xsd#exc_SupplementalStatementofOperationsInformationLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalStatementofOperationsInformationTable_5a938881-1e2e-4596-9681-4ea5fc1050e2" xlink:to="loc_exc_SupplementalStatementofOperationsInformationLineItems_d1d189c0-c9b4-4d77-8322-d7783b58c574" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_3335f8de-3b4e-4ad7-9403-f5e1a11374dc" 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_d1d189c0-c9b4-4d77-8322-d7783b58c574" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_3335f8de-3b4e-4ad7-9403-f5e1a11374dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_8cb96f1c-4084-4853-993a-c3d66bfb3639" 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_3335f8de-3b4e-4ad7-9403-f5e1a11374dc" xlink:to="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_8cb96f1c-4084-4853-993a-c3d66bfb3639" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_0a3850cf-521a-45c2-a77e-5add4cf5bc5d" 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_3335f8de-3b4e-4ad7-9403-f5e1a11374dc" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_0a3850cf-521a-45c2-a77e-5add4cf5bc5d" 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-20230331.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_79819b87-d688-429a-801d-acd55238273e" xlink:href="exc-20230331.xsd#exc_SupplementalFinancialInformationAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalStatementofOperationsInformationTable_d66e5899-8941-4472-93db-c9107539ec90" xlink:href="exc-20230331.xsd#exc_SupplementalStatementofOperationsInformationTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalFinancialInformationAbstract_79819b87-d688-429a-801d-acd55238273e" xlink:to="loc_exc_SupplementalStatementofOperationsInformationTable_d66e5899-8941-4472-93db-c9107539ec90" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_56b69159-ad0a-4261-8759-6f99c48c7734" 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_d66e5899-8941-4472-93db-c9107539ec90" xlink:to="loc_dei_LegalEntityAxis_56b69159-ad0a-4261-8759-6f99c48c7734" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_be433135-4ede-4d9c-99a9-003c9c3f5375" 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_56b69159-ad0a-4261-8759-6f99c48c7734" xlink:to="loc_dei_EntityDomain_be433135-4ede-4d9c-99a9-003c9c3f5375" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_747022cf-73e3-41ec-b1aa-be5a5cee1814" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_be433135-4ede-4d9c-99a9-003c9c3f5375" xlink:to="loc_exc_CommonwealthEdisonCoMember_747022cf-73e3-41ec-b1aa-be5a5cee1814" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_6244ef40-c021-43b7-a880-027a057131d0" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_be433135-4ede-4d9c-99a9-003c9c3f5375" xlink:to="loc_exc_PecoEnergyCoMember_6244ef40-c021-43b7-a880-027a057131d0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_e618742c-071a-4340-8bec-8b74feea5a0a" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_be433135-4ede-4d9c-99a9-003c9c3f5375" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_e618742c-071a-4340-8bec-8b74feea5a0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_8b078f76-e97a-4583-b0ba-1f32c21bf292" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_be433135-4ede-4d9c-99a9-003c9c3f5375" xlink:to="loc_exc_PepcoHoldingsLLCMember_8b078f76-e97a-4583-b0ba-1f32c21bf292" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_96e52468-c392-4372-941d-59f32ca60db5" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_be433135-4ede-4d9c-99a9-003c9c3f5375" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_96e52468-c392-4372-941d-59f32ca60db5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_cc1c318d-5fb6-4f3c-b69f-d79507ced011" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_be433135-4ede-4d9c-99a9-003c9c3f5375" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_cc1c318d-5fb6-4f3c-b69f-d79507ced011" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_6b7609e7-a502-4d29-8658-6cc0f3c4f0ea" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_be433135-4ede-4d9c-99a9-003c9c3f5375" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_6b7609e7-a502-4d29-8658-6cc0f3c4f0ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalStatementofOperationsInformationLineItems_1f3e4c97-815f-41e7-a0de-775ffa455d3c" xlink:href="exc-20230331.xsd#exc_SupplementalStatementofOperationsInformationLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalStatementofOperationsInformationTable_d66e5899-8941-4472-93db-c9107539ec90" xlink:to="loc_exc_SupplementalStatementofOperationsInformationLineItems_1f3e4c97-815f-41e7-a0de-775ffa455d3c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilitiesOperatingExpenseTaxes_a98e5d33-f6b2-47ed-ac14-26c9b4e6e15d" 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_1f3e4c97-815f-41e7-a0de-775ffa455d3c" xlink:to="loc_us-gaap_UtilitiesOperatingExpenseTaxes_a98e5d33-f6b2-47ed-ac14-26c9b4e6e15d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateTaxExpense_1fbf7b33-8ed6-460a-b1b8-2f3db1d02c80" 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_1f3e4c97-815f-41e7-a0de-775ffa455d3c" xlink:to="loc_us-gaap_RealEstateTaxExpense_1fbf7b33-8ed6-460a-b1b8-2f3db1d02c80" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLaborRelatedExpenses_cdd43a4c-2137-4f69-9f58-42d9f93a60b2" 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_1f3e4c97-815f-41e7-a0de-775ffa455d3c" xlink:to="loc_us-gaap_OtherLaborRelatedExpenses_cdd43a4c-2137-4f69-9f58-42d9f93a60b2" 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-20230331.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_f34905ac-df07-4d47-bf67-746edfac571d" xlink:href="exc-20230331.xsd#exc_SupplementalFinancialInformationAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalCashFlowInformationTable_6e517891-05e2-4d08-a38d-07ddd9bf1d73" xlink:href="exc-20230331.xsd#exc_SupplementalCashFlowInformationTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalFinancialInformationAbstract_f34905ac-df07-4d47-bf67-746edfac571d" xlink:to="loc_exc_SupplementalCashFlowInformationTable_6e517891-05e2-4d08-a38d-07ddd9bf1d73" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_33a339b2-8b98-4263-929c-50b531475ea4" 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_6e517891-05e2-4d08-a38d-07ddd9bf1d73" xlink:to="loc_dei_LegalEntityAxis_33a339b2-8b98-4263-929c-50b531475ea4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_0fb4383d-32a0-42e8-a8a9-e0204590e6f0" 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_33a339b2-8b98-4263-929c-50b531475ea4" xlink:to="loc_dei_EntityDomain_0fb4383d-32a0-42e8-a8a9-e0204590e6f0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_16d6c112-d419-413f-a385-ac883161540d" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0fb4383d-32a0-42e8-a8a9-e0204590e6f0" xlink:to="loc_exc_CommonwealthEdisonCoMember_16d6c112-d419-413f-a385-ac883161540d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_0d6bee35-e9da-4cc8-a52b-2b914c051727" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0fb4383d-32a0-42e8-a8a9-e0204590e6f0" xlink:to="loc_exc_PecoEnergyCoMember_0d6bee35-e9da-4cc8-a52b-2b914c051727" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_7ecd85f6-c5a7-47af-94a5-ad3952d14880" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0fb4383d-32a0-42e8-a8a9-e0204590e6f0" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_7ecd85f6-c5a7-47af-94a5-ad3952d14880" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_fb367350-d722-4aed-92f7-c318de08e2dc" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0fb4383d-32a0-42e8-a8a9-e0204590e6f0" xlink:to="loc_exc_PepcoHoldingsLLCMember_fb367350-d722-4aed-92f7-c318de08e2dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_03644b4b-a510-4b02-b03a-b1d6278a5a74" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0fb4383d-32a0-42e8-a8a9-e0204590e6f0" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_03644b4b-a510-4b02-b03a-b1d6278a5a74" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_3e681588-c870-491d-b428-3cbde75bdcd8" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0fb4383d-32a0-42e8-a8a9-e0204590e6f0" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_3e681588-c870-491d-b428-3cbde75bdcd8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_21522d89-d908-41ec-9905-92faa8860170" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0fb4383d-32a0-42e8-a8a9-e0204590e6f0" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_21522d89-d908-41ec-9905-92faa8860170" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_48351ea4-7a01-48bd-ae9d-655db39fcd32" 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_6e517891-05e2-4d08-a38d-07ddd9bf1d73" xlink:to="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_48351ea4-7a01-48bd-ae9d-655db39fcd32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentOperatingActivitiesDomain_8998637a-941c-493f-869a-a6c6595c189c" 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_48351ea4-7a01-48bd-ae9d-655db39fcd32" xlink:to="loc_us-gaap_SegmentOperatingActivitiesDomain_8998637a-941c-493f-869a-a6c6595c189c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherNonCashActivityMember_6d2346b9-956d-46e4-b086-f82514009622" xlink:href="exc-20230331.xsd#exc_OtherNonCashActivityMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentOperatingActivitiesDomain_8998637a-941c-493f-869a-a6c6595c189c" xlink:to="loc_exc_OtherNonCashActivityMember_6d2346b9-956d-46e4-b086-f82514009622" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ReturnOnBorrowedFundsMember_799da5f2-0c19-4bf0-a2af-6631de606fa4" xlink:href="exc-20230331.xsd#exc_ReturnOnBorrowedFundsMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentOperatingActivitiesDomain_8998637a-941c-493f-869a-a6c6595c189c" xlink:to="loc_exc_ReturnOnBorrowedFundsMember_799da5f2-0c19-4bf0-a2af-6631de606fa4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalCashFlowInformationLineItems_d9045dd1-12b9-4b25-b8a8-2ff9f8416686" xlink:href="exc-20230331.xsd#exc_SupplementalCashFlowInformationLineItems"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalCashFlowInformationTable_6e517891-05e2-4d08-a38d-07ddd9bf1d73" xlink:to="loc_exc_SupplementalCashFlowInformationLineItems_d9045dd1-12b9-4b25-b8a8-2ff9f8416686" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNetAbstract_d04a8d83-368f-4e79-b5ca-3656d175f41a" 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_d9045dd1-12b9-4b25-b8a8-2ff9f8416686" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNetAbstract_d04a8d83-368f-4e79-b5ca-3656d175f41a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_67df6a0e-e086-4ecb-81e7-faca20058b67" 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_d04a8d83-368f-4e79-b5ca-3656d175f41a" xlink:to="loc_us-gaap_Depreciation_67df6a0e-e086-4ecb-81e7-faca20058b67" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfRegulatoryAsset_c95d696f-245b-4dbb-b8f3-513da0153240" 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_d04a8d83-368f-4e79-b5ca-3656d175f41a" xlink:to="loc_us-gaap_AmortizationOfRegulatoryAsset_c95d696f-245b-4dbb-b8f3-513da0153240" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_47d3f318-9126-4669-ba24-b1eed740dcb2" 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_d04a8d83-368f-4e79-b5ca-3656d175f41a" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_47d3f318-9126-4669-ba24-b1eed740dcb2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfPowerContractsEmissionCredits_c28f0f64-6248-4365-b20d-05c7050cfae9" 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_d04a8d83-368f-4e79-b5ca-3656d175f41a" xlink:to="loc_us-gaap_AmortizationOfPowerContractsEmissionCredits_c28f0f64-6248-4365-b20d-05c7050cfae9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfNuclearFuelLease_7ee8399a-9693-4a98-9201-2a4442644d6e" 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_d04a8d83-368f-4e79-b5ca-3656d175f41a" xlink:to="loc_us-gaap_AmortizationOfNuclearFuelLease_7ee8399a-9693-4a98-9201-2a4442644d6e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationAccretionExpense_4bd831d5-cdf9-4ec1-966a-f38b638bac82" 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_d04a8d83-368f-4e79-b5ca-3656d175f41a" xlink:to="loc_us-gaap_AssetRetirementObligationAccretionExpense_4bd831d5-cdf9-4ec1-966a-f38b638bac82" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_2c189a76-6096-4f4f-a15a-20e70676732e" 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_d04a8d83-368f-4e79-b5ca-3656d175f41a" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_2c189a76-6096-4f4f-a15a-20e70676732e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1b4e9edc-1182-41ad-bb3a-983bec08562d" 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_d9045dd1-12b9-4b25-b8a8-2ff9f8416686" xlink:to="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1b4e9edc-1182-41ad-bb3a-983bec08562d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_2622d4a1-89f4-4995-9ba5-16dcdfd5f2cc" 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_1b4e9edc-1182-41ad-bb3a-983bec08562d" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_2622d4a1-89f4-4995-9ba5-16dcdfd5f2cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_ad4bd54f-7635-4b95-a80f-ec82ce8baa78" 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_1b4e9edc-1182-41ad-bb3a-983bec08562d" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_ad4bd54f-7635-4b95-a80f-ec82ce8baa78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherDecommissioningRelatedActivity_5cc838c8-ea71-48b3-b0b8-44461af88c62" xlink:href="exc-20230331.xsd#exc_OtherDecommissioningRelatedActivity"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1b4e9edc-1182-41ad-bb3a-983bec08562d" xlink:to="loc_exc_OtherDecommissioningRelatedActivity_5cc838c8-ea71-48b3-b0b8-44461af88c62" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_EnergyRelatedOptions_7c46342e-0dd8-4c4d-b30c-c05b944c7004" xlink:href="exc-20230331.xsd#exc_EnergyRelatedOptions"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1b4e9edc-1182-41ad-bb3a-983bec08562d" xlink:to="loc_exc_EnergyRelatedOptions_7c46342e-0dd8-4c4d-b30c-c05b944c7004" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_TrueupAdjustmentstoDecouplingMechanismsandFormulaRates_af7ef323-2d8d-4780-810a-508e3d62515c" xlink:href="exc-20230331.xsd#exc_TrueupAdjustmentstoDecouplingMechanismsandFormulaRates"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1b4e9edc-1182-41ad-bb3a-983bec08562d" xlink:to="loc_exc_TrueupAdjustmentstoDecouplingMechanismsandFormulaRates_af7ef323-2d8d-4780-810a-508e3d62515c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCosts_9d51e00d-58e9-4263-847f-78ef007a648b" 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_1b4e9edc-1182-41ad-bb3a-983bec08562d" xlink:to="loc_us-gaap_RestructuringCosts_9d51e00d-58e9-4263-847f-78ef007a648b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWriteDown_61425c41-d914-4536-8984-6639a4f5d048" 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_1b4e9edc-1182-41ad-bb3a-983bec08562d" xlink:to="loc_us-gaap_InventoryWriteDown_61425c41-d914-4536-8984-6639a4f5d048" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeBenefitsAndShareBasedCompensationNoncash_1eba39d2-e83e-452a-8591-5a0edc711148" 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_1b4e9edc-1182-41ad-bb3a-983bec08562d" xlink:to="loc_us-gaap_EmployeeBenefitsAndShareBasedCompensationNoncash_1eba39d2-e83e-452a-8591-5a0edc711148" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease_04a01c24-c79b-4ec9-ae88-b5de92732021" 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_1b4e9edc-1182-41ad-bb3a-983bec08562d" xlink:to="loc_us-gaap_OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease_04a01c24-c79b-4ec9-ae88-b5de92732021" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DeferredPaymentsForLegalSettlements_57137ef5-7002-4e92-91a5-130a8c2e0f69" xlink:href="exc-20230331.xsd#exc_DeferredPaymentsForLegalSettlements"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1b4e9edc-1182-41ad-bb3a-983bec08562d" xlink:to="loc_exc_DeferredPaymentsForLegalSettlements_57137ef5-7002-4e92-91a5-130a8c2e0f69" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_c049a266-a6c3-4ee4-aaad-c60fd2049e29" 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_1b4e9edc-1182-41ad-bb3a-983bec08562d" xlink:to="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_c049a266-a6c3-4ee4-aaad-c60fd2049e29" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalExpenseAndLiabilities_a2e042a3-e4a6-4151-a99b-cff947c6d041" 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_1b4e9edc-1182-41ad-bb3a-983bec08562d" xlink:to="loc_us-gaap_EnvironmentalExpenseAndLiabilities_a2e042a3-e4a6-4151-a99b-cff947c6d041" 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-20230331.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_e1dbd312-d50d-4d57-a69c-77e7d8a29d55" xlink:href="exc-20230331.xsd#exc_SupplementalFinancialInformationAbstract"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalBalanceSheetInformationTable_f2e12853-a363-4b66-9539-06eefed55a05" xlink:href="exc-20230331.xsd#exc_SupplementalBalanceSheetInformationTable"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalFinancialInformationAbstract_e1dbd312-d50d-4d57-a69c-77e7d8a29d55" xlink:to="loc_exc_SupplementalBalanceSheetInformationTable_f2e12853-a363-4b66-9539-06eefed55a05" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_661d64cd-4503-48a1-a4d7-d4d892cf02f3" 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_f2e12853-a363-4b66-9539-06eefed55a05" xlink:to="loc_dei_LegalEntityAxis_661d64cd-4503-48a1-a4d7-d4d892cf02f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_6ec24250-648f-4119-b83a-288dc3a7333d" 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_661d64cd-4503-48a1-a4d7-d4d892cf02f3" xlink:to="loc_dei_EntityDomain_6ec24250-648f-4119-b83a-288dc3a7333d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_5ce23af5-5348-4b3c-897d-55c44b15add8" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6ec24250-648f-4119-b83a-288dc3a7333d" xlink:to="loc_exc_CommonwealthEdisonCoMember_5ce23af5-5348-4b3c-897d-55c44b15add8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_dc3a5451-049d-4f7a-9510-92c9522148c7" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6ec24250-648f-4119-b83a-288dc3a7333d" xlink:to="loc_exc_PecoEnergyCoMember_dc3a5451-049d-4f7a-9510-92c9522148c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_226aca7a-ec6f-4d86-b02b-59b1064025f5" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6ec24250-648f-4119-b83a-288dc3a7333d" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_226aca7a-ec6f-4d86-b02b-59b1064025f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_0f856783-5ec0-4dea-9521-372195ed7ce3" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6ec24250-648f-4119-b83a-288dc3a7333d" xlink:to="loc_exc_PepcoHoldingsLLCMember_0f856783-5ec0-4dea-9521-372195ed7ce3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_9616e6a9-c69c-4a7e-b5ef-129a49487f8f" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6ec24250-648f-4119-b83a-288dc3a7333d" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_9616e6a9-c69c-4a7e-b5ef-129a49487f8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_cf28abb7-bdcb-4512-8af3-2975a6256f34" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6ec24250-648f-4119-b83a-288dc3a7333d" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_cf28abb7-bdcb-4512-8af3-2975a6256f34" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_ca7376fb-7a50-4994-a147-f7efa738822d" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6ec24250-648f-4119-b83a-288dc3a7333d" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_ca7376fb-7a50-4994-a147-f7efa738822d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SupplementalBalanceSheetInformationLineItems_5dacc1b2-91db-487d-940b-eb1cc51b1f8d" xlink:href="exc-20230331.xsd#exc_SupplementalBalanceSheetInformationLineItems"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalBalanceSheetInformationTable_f2e12853-a363-4b66-9539-06eefed55a05" xlink:to="loc_exc_SupplementalBalanceSheetInformationLineItems_5dacc1b2-91db-487d-940b-eb1cc51b1f8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_51d18b82-b972-48d4-a21e-a841c212748b" 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_5dacc1b2-91db-487d-940b-eb1cc51b1f8d" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_51d18b82-b972-48d4-a21e-a841c212748b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_87affb8e-2725-425d-88a0-71f2b7b74ca9" 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_51d18b82-b972-48d4-a21e-a841c212748b" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_87affb8e-2725-425d-88a0-71f2b7b74ca9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_c800df78-2e94-4980-9544-abf7bb8972cf" 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_51d18b82-b972-48d4-a21e-a841c212748b" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_c800df78-2e94-4980-9544-abf7bb8972cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_abe7842d-0794-4ee5-846b-c18d5c7d1385" 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_51d18b82-b972-48d4-a21e-a841c212748b" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_abe7842d-0794-4ee5-846b-c18d5c7d1385" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_dc0dfc2b-f941-4ef6-be6d-eb2cee9323de" 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_51d18b82-b972-48d4-a21e-a841c212748b" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_dc0dfc2b-f941-4ef6-be6d-eb2cee9323de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_e28a4f60-ca5a-40a5-8ff2-522cf950b649" 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_51d18b82-b972-48d4-a21e-a841c212748b" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_e28a4f60-ca5a-40a5-8ff2-522cf950b649" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrentAndNoncurrentAbstract_1a76c95b-98f8-4081-b161-6ab55f62f3fb" 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_5dacc1b2-91db-487d-940b-eb1cc51b1f8d" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrentAndNoncurrentAbstract_1a76c95b-98f8-4081-b161-6ab55f62f3fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AccruedCompensationCurrent_dcfe91ad-cd61-41f2-a4aa-48c637d1a8da" xlink:href="exc-20230331.xsd#exc_AccruedCompensationCurrent"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrentAndNoncurrentAbstract_1a76c95b-98f8-4081-b161-6ab55f62f3fb" xlink:to="loc_exc_AccruedCompensationCurrent_dcfe91ad-cd61-41f2-a4aa-48c637d1a8da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxesPayableCurrent_bdf69ddd-4dee-47e1-a260-5baf235264af" 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_1a76c95b-98f8-4081-b161-6ab55f62f3fb" xlink:to="loc_us-gaap_TaxesPayableCurrent_bdf69ddd-4dee-47e1-a260-5baf235264af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrent_4badc7de-c2f9-4f32-bd24-82576098f07b" 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_1a76c95b-98f8-4081-b161-6ab55f62f3fb" xlink:to="loc_us-gaap_InterestPayableCurrent_4badc7de-c2f9-4f32-bd24-82576098f07b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrentAndNoncurrent_0f821a86-a47e-484a-b91a-9c0be471439f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAccruedLiabilitiesCurrentAndNoncurrent"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrentAndNoncurrentAbstract_1a76c95b-98f8-4081-b161-6ab55f62f3fb" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrentAndNoncurrent_0f821a86-a47e-484a-b91a-9c0be471439f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BookOverdrafts_5f499d6b-9d9f-40de-aef2-ac3aace9735f" xlink:href="exc-20230331.xsd#exc_BookOverdrafts"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_exc_SupplementalBalanceSheetInformationLineItems_5dacc1b2-91db-487d-940b-eb1cc51b1f8d" xlink:to="loc_exc_BookOverdrafts_5f499d6b-9d9f-40de-aef2-ac3aace9735f" 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-20230331.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_dc99ab14-3bce-47d7-ad27-c174f056c7a5" 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_fd788e9f-2a92-457f-adcf-82c9d2a0165d" 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_dc99ab14-3bce-47d7-ad27-c174f056c7a5" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_fd788e9f-2a92-457f-adcf-82c9d2a0165d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_9e674b83-6176-4e70-985e-278559a40353" 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_fd788e9f-2a92-457f-adcf-82c9d2a0165d" xlink:to="loc_dei_LegalEntityAxis_9e674b83-6176-4e70-985e-278559a40353" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_373ef9c1-210c-4c29-9c4e-87745d9bc88a" 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_9e674b83-6176-4e70-985e-278559a40353" xlink:to="loc_dei_EntityDomain_373ef9c1-210c-4c29-9c4e-87745d9bc88a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonGenerationCoLLCMember_fdd0aefd-43e1-42dc-a200-dc22adc6b033" xlink:href="exc-20230331.xsd#exc_ExelonGenerationCoLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_373ef9c1-210c-4c29-9c4e-87745d9bc88a" xlink:to="loc_exc_ExelonGenerationCoLLCMember_fdd0aefd-43e1-42dc-a200-dc22adc6b033" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_cc1b26e8-6a89-41df-a946-34df7acc3899" 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_fd788e9f-2a92-457f-adcf-82c9d2a0165d" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_cc1b26e8-6a89-41df-a946-34df7acc3899" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_3a623f44-e7d0-4869-b78e-668584ec6df2" 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_cc1b26e8-6a89-41df-a946-34df7acc3899" xlink:to="loc_us-gaap_RelatedPartyDomain_3a623f44-e7d0-4869-b78e-668584ec6df2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoAffiliateMember_9619b538-9ddf-4338-bb6d-f2f986875071" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoAffiliateMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_3a623f44-e7d0-4869-b78e-668584ec6df2" xlink:to="loc_exc_CommonwealthEdisonCoAffiliateMember_9619b538-9ddf-4338-bb6d-f2f986875071" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoAffiliateMember_95d6469e-e701-4b06-b1db-4fc428bb5a13" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoAffiliateMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_3a623f44-e7d0-4869-b78e-668584ec6df2" xlink:to="loc_exc_PecoEnergyCoAffiliateMember_95d6469e-e701-4b06-b1db-4fc428bb5a13" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyAffiliateMember_f57c2c83-98e1-48cd-ba0f-2eaea6260006" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyAffiliateMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_3a623f44-e7d0-4869-b78e-668584ec6df2" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyAffiliateMember_f57c2c83-98e1-48cd-ba0f-2eaea6260006" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCAffiliateMember_7aa560eb-db4f-48d2-b320-c8e37988adb2" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCAffiliateMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_3a623f44-e7d0-4869-b78e-668584ec6df2" xlink:to="loc_exc_PepcoHoldingsLLCAffiliateMember_7aa560eb-db4f-48d2-b320-c8e37988adb2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCoAffiliateMember_e02edfd8-4578-4f95-8546-6b2cfbe7f6c2" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCoAffiliateMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_3a623f44-e7d0-4869-b78e-668584ec6df2" xlink:to="loc_exc_PotomacElectricPowerCoAffiliateMember_e02edfd8-4578-4f95-8546-6b2cfbe7f6c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCoAffiliateMember_a359b6ee-f68f-4504-8509-e66152cae345" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCoAffiliateMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_3a623f44-e7d0-4869-b78e-668584ec6df2" xlink:to="loc_exc_DelmarvaPowerandLightCoAffiliateMember_a359b6ee-f68f-4504-8509-e66152cae345" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCoAffiliateMember_8887dad2-b434-4997-b593-d70447bcd784" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCoAffiliateMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_3a623f44-e7d0-4869-b78e-668584ec6df2" xlink:to="loc_exc_AtlanticCityElectricCoAffiliateMember_8887dad2-b434-4997-b593-d70447bcd784" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_e59d9e73-3656-4872-ad95-3c8774aa2898" 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_fd788e9f-2a92-457f-adcf-82c9d2a0165d" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_e59d9e73-3656-4872-ad95-3c8774aa2898" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromRelatedParties_647d5d43-0b1d-4faf-8045-c7026511eda1" 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_e59d9e73-3656-4872-ad95-3c8774aa2898" xlink:to="loc_us-gaap_RevenueFromRelatedParties_647d5d43-0b1d-4faf-8045-c7026511eda1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty_2eb5c249-a5c2-4588-894c-8a29c3a74b14" 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_e59d9e73-3656-4872-ad95-3c8774aa2898" xlink:to="loc_us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty_2eb5c249-a5c2-4588-894c-8a29c3a74b14" 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-20230331.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_7afdc8ed-cd55-4618-9ccb-666c1f82b0f6" 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_ce2658c3-d232-4a2f-b88e-d2e7efe60941" 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_7afdc8ed-cd55-4618-9ccb-666c1f82b0f6" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_ce2658c3-d232-4a2f-b88e-d2e7efe60941" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_cbceed4d-2e1b-45e9-9e39-0c110b25406b" 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_ce2658c3-d232-4a2f-b88e-d2e7efe60941" xlink:to="loc_dei_LegalEntityAxis_cbceed4d-2e1b-45e9-9e39-0c110b25406b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_37f26471-2da8-45bd-a3a7-148a602df2e0" 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_cbceed4d-2e1b-45e9-9e39-0c110b25406b" xlink:to="loc_dei_EntityDomain_37f26471-2da8-45bd-a3a7-148a602df2e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_3832ee68-b227-495f-8d34-b24db3972b5b" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_37f26471-2da8-45bd-a3a7-148a602df2e0" xlink:to="loc_exc_CommonwealthEdisonCoMember_3832ee68-b227-495f-8d34-b24db3972b5b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_109e5110-69a1-4cfc-9ca0-c6deb0063412" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_37f26471-2da8-45bd-a3a7-148a602df2e0" xlink:to="loc_exc_PecoEnergyCoMember_109e5110-69a1-4cfc-9ca0-c6deb0063412" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_30b9143a-13b2-44f4-b4e9-ecf019930b3c" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_37f26471-2da8-45bd-a3a7-148a602df2e0" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_30b9143a-13b2-44f4-b4e9-ecf019930b3c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_b94961db-3aa0-4b8a-a45e-9829390104b7" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_37f26471-2da8-45bd-a3a7-148a602df2e0" xlink:to="loc_exc_PepcoHoldingsLLCMember_b94961db-3aa0-4b8a-a45e-9829390104b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_5dcc091f-53d2-4d44-a2f2-7521a6634ac3" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_37f26471-2da8-45bd-a3a7-148a602df2e0" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_5dcc091f-53d2-4d44-a2f2-7521a6634ac3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_e455ba18-119e-4231-940c-5398163d5826" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_37f26471-2da8-45bd-a3a7-148a602df2e0" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_e455ba18-119e-4231-940c-5398163d5826" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_cd7dbbc5-fd28-4c08-8128-416b7904a056" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_37f26471-2da8-45bd-a3a7-148a602df2e0" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_cd7dbbc5-fd28-4c08-8128-416b7904a056" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_dcf28a84-ccff-4aa5-9a31-8ee93a31cbbb" 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_ce2658c3-d232-4a2f-b88e-d2e7efe60941" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_dcf28a84-ccff-4aa5-9a31-8ee93a31cbbb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_5c195a88-82cb-495f-b65a-d057b6d63126" 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_dcf28a84-ccff-4aa5-9a31-8ee93a31cbbb" xlink:to="loc_us-gaap_RelatedPartyDomain_5c195a88-82cb-495f-b65a-d057b6d63126" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ExelonBusinessServicesCoAffiliateMember_f2dc092e-585d-4b9e-908b-b65f8a6b5939" xlink:href="exc-20230331.xsd#exc_ExelonBusinessServicesCoAffiliateMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_5c195a88-82cb-495f-b65a-d057b6d63126" xlink:to="loc_exc_ExelonBusinessServicesCoAffiliateMember_f2dc092e-585d-4b9e-908b-b65f8a6b5939" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PHIServiceCoAffiliateMember_e56d0d67-200f-4d32-b635-c3c7b4c111fa" xlink:href="exc-20230331.xsd#exc_PHIServiceCoAffiliateMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_5c195a88-82cb-495f-b65a-d057b6d63126" xlink:to="loc_exc_PHIServiceCoAffiliateMember_e56d0d67-200f-4d32-b635-c3c7b4c111fa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_7a1ad215-77e2-45a7-9f1e-a307f6d27f7a" 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_ce2658c3-d232-4a2f-b88e-d2e7efe60941" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_7a1ad215-77e2-45a7-9f1e-a307f6d27f7a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_5f371c99-d72f-4543-b0d4-aa7ae2245c2c" 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_7a1ad215-77e2-45a7-9f1e-a307f6d27f7a" xlink:to="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_5f371c99-d72f-4543-b0d4-aa7ae2245c2c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_RelatedPartyTransactionCapitalizedCostsSupportServices_fb5b9db4-cc14-4da3-bad4-83bfa1fb4ee6" xlink:href="exc-20230331.xsd#exc_RelatedPartyTransactionCapitalizedCostsSupportServices"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_7a1ad215-77e2-45a7-9f1e-a307f6d27f7a" xlink:to="loc_exc_RelatedPartyTransactionCapitalizedCostsSupportServices_fb5b9db4-cc14-4da3-bad4-83bfa1fb4ee6" 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-20230331.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_63118f27-eb0b-4511-a56c-8b6ed2a2badd" 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_cd857b80-5115-4939-b777-b0b175e20a92" 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_63118f27-eb0b-4511-a56c-8b6ed2a2badd" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_cd857b80-5115-4939-b777-b0b175e20a92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_6d2effc1-67b0-48b6-aed0-9bcb0b1d7ee0" 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_cd857b80-5115-4939-b777-b0b175e20a92" xlink:to="loc_dei_LegalEntityAxis_6d2effc1-67b0-48b6-aed0-9bcb0b1d7ee0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_3f2fe65e-3852-49f8-8363-4d45274f6190" 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_6d2effc1-67b0-48b6-aed0-9bcb0b1d7ee0" xlink:to="loc_dei_EntityDomain_3f2fe65e-3852-49f8-8363-4d45274f6190" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_f5f4f119-dbcd-48bb-a504-c5219ec4f884" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3f2fe65e-3852-49f8-8363-4d45274f6190" xlink:to="loc_exc_CommonwealthEdisonCoMember_f5f4f119-dbcd-48bb-a504-c5219ec4f884" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_65ab53ca-cd8c-4fc3-89da-ad35d84eae64" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3f2fe65e-3852-49f8-8363-4d45274f6190" xlink:to="loc_exc_PecoEnergyCoMember_65ab53ca-cd8c-4fc3-89da-ad35d84eae64" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyMember_2432ae63-75b3-4c21-ac91-16958c857980" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3f2fe65e-3852-49f8-8363-4d45274f6190" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyMember_2432ae63-75b3-4c21-ac91-16958c857980" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_c917d603-0c6f-4b3b-a00f-91fa4492f6a4" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3f2fe65e-3852-49f8-8363-4d45274f6190" xlink:to="loc_exc_PepcoHoldingsLLCMember_c917d603-0c6f-4b3b-a00f-91fa4492f6a4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_fb5c6940-8ef9-404f-83c4-5c7216cc14a1" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3f2fe65e-3852-49f8-8363-4d45274f6190" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_fb5c6940-8ef9-404f-83c4-5c7216cc14a1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_e181ad14-a86b-439d-97f1-d06f08f279f1" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3f2fe65e-3852-49f8-8363-4d45274f6190" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_e181ad14-a86b-439d-97f1-d06f08f279f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_d9c3963e-bdbe-4a77-8d85-dac8999dd8af" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3f2fe65e-3852-49f8-8363-4d45274f6190" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_d9c3963e-bdbe-4a77-8d85-dac8999dd8af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BusinessServicesCompanyMember_a78d410f-46bf-4334-b38a-8c871f7b0252" xlink:href="exc-20230331.xsd#exc_BusinessServicesCompanyMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3f2fe65e-3852-49f8-8363-4d45274f6190" xlink:to="loc_exc_BusinessServicesCompanyMember_a78d410f-46bf-4334-b38a-8c871f7b0252" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PHIServiceCompanyMember_ee471cd9-e61f-4bcb-af79-425754f8c2bf" xlink:href="exc-20230331.xsd#exc_PHIServiceCompanyMember"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3f2fe65e-3852-49f8-8363-4d45274f6190" xlink:to="loc_exc_PHIServiceCompanyMember_ee471cd9-e61f-4bcb-af79-425754f8c2bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherLegalEntitiesMember_a85d3970-4330-4709-9433-31efa596916d" xlink:href="exc-20230331.xsd#exc_OtherLegalEntitiesMember"/>
<link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3f2fe65e-3852-49f8-8363-4d45274f6190" xlink:to="loc_exc_OtherLegalEntitiesMember_a85d3970-4330-4709-9433-31efa596916d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_d6d814c5-5e36-4133-b748-522c7a47dc4e" 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_cd857b80-5115-4939-b777-b0b175e20a92" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_d6d814c5-5e36-4133-b748-522c7a47dc4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_7191d184-63c1-48f4-a316-7bf586e39fc2" 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_d6d814c5-5e36-4133-b748-522c7a47dc4e" xlink:to="loc_us-gaap_RelatedPartyDomain_7191d184-63c1-48f4-a316-7bf586e39fc2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_AffiliatedEntityMember_0927a77c-0964-4c95-b875-b4bdd786280f" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_AffiliatedEntityMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_7191d184-63c1-48f4-a316-7bf586e39fc2" xlink:to="loc_srt_AffiliatedEntityMember_0927a77c-0964-4c95-b875-b4bdd786280f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoAffiliateMember_e5a1dadc-757c-4c75-8373-f313d085c3e7" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoAffiliateMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_7191d184-63c1-48f4-a316-7bf586e39fc2" xlink:to="loc_exc_CommonwealthEdisonCoAffiliateMember_e5a1dadc-757c-4c75-8373-f313d085c3e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoAffiliateMember_b7e51302-f0c6-4b45-8d1b-3f31e1b06d17" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoAffiliateMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_7191d184-63c1-48f4-a316-7bf586e39fc2" xlink:to="loc_exc_PecoEnergyCoAffiliateMember_b7e51302-f0c6-4b45-8d1b-3f31e1b06d17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_BaltimoreGasAndElectricCompanyAffiliateMember_360d286d-1f48-4af9-b5ca-1d757d083958" xlink:href="exc-20230331.xsd#exc_BaltimoreGasAndElectricCompanyAffiliateMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_7191d184-63c1-48f4-a316-7bf586e39fc2" xlink:to="loc_exc_BaltimoreGasAndElectricCompanyAffiliateMember_360d286d-1f48-4af9-b5ca-1d757d083958" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCAffiliateMember_396566b0-99e3-4c42-84a1-88c58882b434" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCAffiliateMember"/>
<link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_7191d184-63c1-48f4-a316-7bf586e39fc2" xlink:to="loc_exc_PepcoHoldingsLLCAffiliateMember_396566b0-99e3-4c42-84a1-88c58882b434" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCoAffiliateMember_3355499b-a6d3-4094-b98a-0b2154602bf8" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCoAffiliateMember"/>
<link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_7191d184-63c1-48f4-a316-7bf586e39fc2" xlink:to="loc_exc_PotomacElectricPowerCoAffiliateMember_3355499b-a6d3-4094-b98a-0b2154602bf8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCoAffiliateMember_e46642aa-c105-4707-bc5d-a7f954f24ea8" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCoAffiliateMember"/>
<link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_7191d184-63c1-48f4-a316-7bf586e39fc2" xlink:to="loc_exc_DelmarvaPowerandLightCoAffiliateMember_e46642aa-c105-4707-bc5d-a7f954f24ea8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCoAffiliateMember_8f5ba21a-dc88-451e-a64d-576114df59ff" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCoAffiliateMember"/>
<link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_7191d184-63c1-48f4-a316-7bf586e39fc2" xlink:to="loc_exc_AtlanticCityElectricCoAffiliateMember_8f5ba21a-dc88-451e-a64d-576114df59ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_OtherAffiliateMember_7ad6bb1e-6dd8-4744-9456-5487bd012243" xlink:href="exc-20230331.xsd#exc_OtherAffiliateMember"/>
<link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_7191d184-63c1-48f4-a316-7bf586e39fc2" xlink:to="loc_exc_OtherAffiliateMember_7ad6bb1e-6dd8-4744-9456-5487bd012243" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_5dfe859a-bca3-4353-9303-2a6e30953beb" 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_cd857b80-5115-4939-b777-b0b175e20a92" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_5dfe859a-bca3-4353-9303-2a6e30953beb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDueFromToRelatedPartyCurrent_6c271116-3065-4c00-9242-654409aa480a" 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_5dfe859a-bca3-4353-9303-2a6e30953beb" xlink:to="loc_us-gaap_RelatedPartyTransactionDueFromToRelatedPartyCurrent_6c271116-3065-4c00-9242-654409aa480a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_19d84c45-849f-4fb2-bda4-7cdc4626aeec" 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_5dfe859a-bca3-4353-9303-2a6e30953beb" xlink:to="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_19d84c45-849f-4fb2-bda4-7cdc4626aeec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_f8ec48b3-5fec-40ae-bb9a-317b5c2bdbf1" 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_5dfe859a-bca3-4353-9303-2a6e30953beb" xlink:to="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_f8ec48b3-5fec-40ae-bb9a-317b5c2bdbf1" 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-20230331.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_2cf2af67-c2f3-4c40-85be-429446739a71" 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_f5e5c546-f957-411d-98b9-faa905dd5356" 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_2cf2af67-c2f3-4c40-85be-429446739a71" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_f5e5c546-f957-411d-98b9-faa905dd5356" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_2dfaa297-4aa0-4d32-8fb9-41d82ddc222d" 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_f5e5c546-f957-411d-98b9-faa905dd5356" xlink:to="loc_dei_LegalEntityAxis_2dfaa297-4aa0-4d32-8fb9-41d82ddc222d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_9d128602-c7f7-4625-a4af-4bbe45d42764" 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_2dfaa297-4aa0-4d32-8fb9-41d82ddc222d" xlink:to="loc_dei_EntityDomain_9d128602-c7f7-4625-a4af-4bbe45d42764" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_CommonwealthEdisonCoMember_fffa817d-9783-4971-ac0d-cba45611dfd6" xlink:href="exc-20230331.xsd#exc_CommonwealthEdisonCoMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_9d128602-c7f7-4625-a4af-4bbe45d42764" xlink:to="loc_exc_CommonwealthEdisonCoMember_fffa817d-9783-4971-ac0d-cba45611dfd6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoEnergyCoMember_07908e16-9c0e-4c8b-9aa5-1c8037023b71" xlink:href="exc-20230331.xsd#exc_PecoEnergyCoMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_9d128602-c7f7-4625-a4af-4bbe45d42764" xlink:to="loc_exc_PecoEnergyCoMember_07908e16-9c0e-4c8b-9aa5-1c8037023b71" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_2942414f-d34f-48aa-96e1-05515eed108f" 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_f5e5c546-f957-411d-98b9-faa905dd5356" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_2942414f-d34f-48aa-96e1-05515eed108f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_cddb446a-ac43-4739-a9e1-9ddd89f2c283" 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_2942414f-d34f-48aa-96e1-05515eed108f" xlink:to="loc_us-gaap_RelatedPartyDomain_cddb446a-ac43-4739-a9e1-9ddd89f2c283" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_ComedFinancingThreeAffiliateMember_f815e5b9-a877-43eb-9de5-c19076b0a525" xlink:href="exc-20230331.xsd#exc_ComedFinancingThreeAffiliateMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_cddb446a-ac43-4739-a9e1-9ddd89f2c283" xlink:to="loc_exc_ComedFinancingThreeAffiliateMember_f815e5b9-a877-43eb-9de5-c19076b0a525" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoTrustThreeAffiliateMember_d4dc0361-adc3-4259-b21b-81bdc36480cd" xlink:href="exc-20230331.xsd#exc_PecoTrustThreeAffiliateMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_cddb446a-ac43-4739-a9e1-9ddd89f2c283" xlink:to="loc_exc_PecoTrustThreeAffiliateMember_d4dc0361-adc3-4259-b21b-81bdc36480cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PecoTrustFourAffiliateMember_88d77a30-b00e-4865-b8a4-3c816615ec6d" xlink:href="exc-20230331.xsd#exc_PecoTrustFourAffiliateMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_cddb446a-ac43-4739-a9e1-9ddd89f2c283" xlink:to="loc_exc_PecoTrustFourAffiliateMember_88d77a30-b00e-4865-b8a4-3c816615ec6d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_80d7fb7a-e79e-4249-a8c4-cbf0d13349ca" 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_f5e5c546-f957-411d-98b9-faa905dd5356" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_80d7fb7a-e79e-4249-a8c4-cbf0d13349ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueToAffiliateNoncurrent_9f1bb430-9900-45e7-b349-6d655f20ce15" 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_80d7fb7a-e79e-4249-a8c4-cbf0d13349ca" xlink:to="loc_us-gaap_DueToAffiliateNoncurrent_9f1bb430-9900-45e7-b349-6d655f20ce15" 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-20230331.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_9eb98795-9d84-4f56-9416-56ed2ba44862" 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_1bae6528-167b-4151-8742-fa84d02a1835" 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_9eb98795-9d84-4f56-9416-56ed2ba44862" xlink:to="loc_us-gaap_SubsequentEventTable_1bae6528-167b-4151-8742-fa84d02a1835" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransactionTypeAxis_7dd8d01d-47f0-4b6a-a555-19f2c6ab5686" 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_1bae6528-167b-4151-8742-fa84d02a1835" xlink:to="loc_us-gaap_TransactionTypeAxis_7dd8d01d-47f0-4b6a-a555-19f2c6ab5686" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransactionDomain_5ca5bd02-6d9a-4402-a423-b46df6e18a60" 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_7dd8d01d-47f0-4b6a-a555-19f2c6ab5686" xlink:to="loc_us-gaap_TransactionDomain_5ca5bd02-6d9a-4402-a423-b46df6e18a60" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_SaleoftransmissiontowerattachmentagreementsMember_76329d92-2f3d-47be-9b81-2a67b1297825" xlink:href="exc-20230331.xsd#exc_SaleoftransmissiontowerattachmentagreementsMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransactionDomain_5ca5bd02-6d9a-4402-a423-b46df6e18a60" xlink:to="loc_exc_SaleoftransmissiontowerattachmentagreementsMember_76329d92-2f3d-47be-9b81-2a67b1297825" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_4268a526-decf-4559-96b3-3b157e4e7eca" 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_1bae6528-167b-4151-8742-fa84d02a1835" xlink:to="loc_dei_LegalEntityAxis_4268a526-decf-4559-96b3-3b157e4e7eca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_e387e8d1-2cb4-48ae-8567-139cc675ceb3" 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_4268a526-decf-4559-96b3-3b157e4e7eca" xlink:to="loc_dei_EntityDomain_e387e8d1-2cb4-48ae-8567-139cc675ceb3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PepcoHoldingsLLCMember_97098336-a72d-46f0-85f7-1345665b5766" xlink:href="exc-20230331.xsd#exc_PepcoHoldingsLLCMember"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e387e8d1-2cb4-48ae-8567-139cc675ceb3" xlink:to="loc_exc_PepcoHoldingsLLCMember_97098336-a72d-46f0-85f7-1345665b5766" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_PotomacElectricPowerCompanyMember_b6d0f255-63e0-4e84-8b9a-11af6f31d365" xlink:href="exc-20230331.xsd#exc_PotomacElectricPowerCompanyMember"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e387e8d1-2cb4-48ae-8567-139cc675ceb3" xlink:to="loc_exc_PotomacElectricPowerCompanyMember_b6d0f255-63e0-4e84-8b9a-11af6f31d365" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_DelmarvaPowerandLightCompanyMember_aae6ee19-7c33-4456-a174-517ec8c1155b" xlink:href="exc-20230331.xsd#exc_DelmarvaPowerandLightCompanyMember"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e387e8d1-2cb4-48ae-8567-139cc675ceb3" xlink:to="loc_exc_DelmarvaPowerandLightCompanyMember_aae6ee19-7c33-4456-a174-517ec8c1155b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AtlanticCityElectricCompanyMember_7b8a9540-a03a-4c56-b545-2561f5f45cf3" xlink:href="exc-20230331.xsd#exc_AtlanticCityElectricCompanyMember"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e387e8d1-2cb4-48ae-8567-139cc675ceb3" xlink:to="loc_exc_AtlanticCityElectricCompanyMember_7b8a9540-a03a-4c56-b545-2561f5f45cf3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_f88aadc0-0308-41b5-9b46-5277fb5ab420" 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_1bae6528-167b-4151-8742-fa84d02a1835" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_f88aadc0-0308-41b5-9b46-5277fb5ab420" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_5c9ff794-4309-40ce-b234-a5df568ade86" 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_f88aadc0-0308-41b5-9b46-5277fb5ab420" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_5c9ff794-4309-40ce-b234-a5df568ade86" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_a4b426ca-cbee-4bd2-8da5-8504d6735eae" 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_5c9ff794-4309-40ce-b234-a5df568ade86" xlink:to="loc_us-gaap_SubsequentEventMember_a4b426ca-cbee-4bd2-8da5-8504d6735eae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_4d0a4eda-a696-4638-bf16-1b6055c3b7f1" 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_1bae6528-167b-4151-8742-fa84d02a1835" xlink:to="loc_us-gaap_SubsequentEventLineItems_4d0a4eda-a696-4638-bf16-1b6055c3b7f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_UndividedInterestSold_8b7c9db9-14a4-410a-b15e-64557e839dbc" xlink:href="exc-20230331.xsd#exc_UndividedInterestSold"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_4d0a4eda-a696-4638-bf16-1b6055c3b7f1" xlink:to="loc_exc_UndividedInterestSold_8b7c9db9-14a4-410a-b15e-64557e839dbc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_MarketingAgreementInterest_50f518af-c14c-493f-8b30-47894edd137f" xlink:href="exc-20230331.xsd#exc_MarketingAgreementInterest"/>
<link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_4d0a4eda-a696-4638-bf16-1b6055c3b7f1" xlink:to="loc_exc_MarketingAgreementInterest_50f518af-c14c-493f-8b30-47894edd137f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AgreementCashProceeds_1e9ff00a-ae85-4165-806b-7c9cf109aebd" xlink:href="exc-20230331.xsd#exc_AgreementCashProceeds"/>
<link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_4d0a4eda-a696-4638-bf16-1b6055c3b7f1" xlink:to="loc_exc_AgreementCashProceeds_1e9ff00a-ae85-4165-806b-7c9cf109aebd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<link:loc xlink:type="locator" xlink:label="loc_exc_AgreementLiabilitiesRecorded_8bb98603-5719-481e-bf49-6383734e0446" xlink:href="exc-20230331.xsd#exc_AgreementLiabilitiesRecorded"/>
<link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_4d0a4eda-a696-4638-bf16-1b6055c3b7f1" xlink:to="loc_exc_AgreementLiabilitiesRecorded_8bb98603-5719-481e-bf49-6383734e0446" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</link:presentationLink>
</link:linkbase>


9 Subsequent Filings that Reference this Filing

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

 2/27/24  Potomac Electric Power Co.        424B2                  2:548K                                   Toppan Merrill/FA
 2/26/24  Potomac Electric Power Co.        424B2                  1:544K                                   Toppan Merrill/FA
 2/23/24  Exelon Corp.                      424B2                  2:635K                                   Toppan Merrill/FA
 2/22/24  Exelon Corp.                      424B2                  1:626K                                   Toppan Merrill/FA
 2/20/24  Exelon Corp.                      POSASR      2/20/24    8:608K                                   Toppan Merrill/FA
 6/16/23  PECO Energy Co.                   424B5                  2:564K                                   Toppan Merrill/FA
 6/15/23  PECO Energy Co.                   424B5                  1:532K                                   Toppan Merrill/FA
 5/09/23  Baltimore Gas & Electric Co.      424B5                  2:516K                                   Toppan Merrill/FA
 5/08/23  Baltimore Gas & Electric Co.      424B2                  1:499K                                   Toppan Merrill/FA


2 Previous Filings that this Filing References

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

 3/15/23  Potomac Electric Power Co.        8-K:1,2,9   3/15/23   17:85M
 2/21/23  Exelon Corp.                      8-K:1,2,9   2/21/23   15:16M
Top
Filing Submission 0001109357-23-000040   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Sun., Apr. 28, 9:26:14.2am ET