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

Calpine Corp – ‘10-K’ for 12/31/15 – ‘EX-101.DEF’

On:  Thursday, 2/11/16, at 7:47pm ET   ·   As of:  2/12/16   ·   For:  12/31/15   ·   Accession #:  916457-16-57   ·   File #:  1-12079

Previous ‘10-K’:  ‘10-K’ on 2/13/15 for 12/31/14   ·   Next:  ‘10-K’ on 2/10/17 for 12/31/16   ·   Latest:  ‘10-K’ on 2/25/20 for 12/31/19   ·   3 References:   

Find Words in Filings emoji
 		  in    Show  and   ↓Hints

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

 2/12/16  Calpine Corp                      10-K       12/31/15  103:20M

Annual Report   —   Form 10-K   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Calpine 10-K for Year-Ended December 31, 2015       HTML   2.07M 
 2: EX-10.1.19  Amendment No. 3 to the Credit Agreement, Dated as   HTML    838K 
                of February 8, 2016                                              
 4: EX-21.1     Subsidiaries of the Company                         HTML    101K 
 5: EX-23.1     Consent of Pricewaterhousecoopers                   HTML     29K 
 3: EX-12.1     Computation of Ratio of Earnings to Fixed Charges   HTML     51K 
 6: EX-31.1     Section 302 Certification of CEO                    HTML     36K 
 7: EX-31.2     Section 302 Certification of CFO                    HTML     36K 
 8: EX-32.1     Certification of Chief Executive Officer and Chief  HTML     34K 
                Financial Officer                                                
15: R1          Document and Entity Information Cover               HTML     57K 
16: R2          Consolidated Statements of Operations               HTML    112K 
17: R3          Consolidated Statements of Comprehensive Income     HTML     61K 
18: R4          Consolidated Balance Sheets                         HTML    127K 
19: R5          Consolidated Balance Sheets Consolidated Balance    HTML     76K 
                Sheets Parentheticals                                            
20: R6          Consolidated Statements of Stockholders Equity      HTML     69K 
21: R7          Consolidated Statements of Cash Flows               HTML    167K 
22: R8          Organization and Operations                         HTML     34K 
23: R9          Summary of Significant Accounting Policies          HTML    133K 
24: R10         Acquisitions, Divestitures and Discontinued         HTML     70K 
                Operations Acquisitions and Divestitures (Notes)                 
25: R11         Property, Plant and Equipment, Net                  HTML     56K 
26: R12         Variable Interest Entities and Unconsolidated       HTML    117K 
                Investments                                                      
27: R13         Debt                                                HTML    234K 
28: R14         Assets and Liabilities with Recurring Fair Value    HTML    198K 
                Measurements                                                     
29: R15         Derivative Instruments                              HTML    275K 
30: R16         Use of Collateral                                   HTML     56K 
31: R17         Income Taxes                                        HTML    152K 
32: R18         Earnings (Loss) per Share                           HTML     47K 
33: R19         Stock-Based Compensation                            HTML     88K 
34: R20         Defined Contribution and Defined Benefit Plans      HTML     41K 
35: R21         Capital Structure                                   HTML     67K 
36: R22         Commitments and Contingencies                       HTML    119K 
37: R23         Segment and Significant Customer Information        HTML    212K 
38: R24         Quarterly Consolidated Financial Data (Unaudited)   HTML     74K 
39: R25         Schedule of Valuation and Qualifying Accounts       HTML     64K 
                Disclosure                                                       
40: R26         Summary of Significant Accounting Policies          HTML    179K 
                (Policies)                                                       
41: R27         Summary of Significant Accounting Policies          HTML    110K 
                (Tables)                                                         
42: R28         Acquisitions, Divestitures and Discontinued         HTML     58K 
                Operations (Tables)                                              
43: R29         Property, Plant and Equipment, Net (Tables)         HTML     51K 
44: R30         Variable Interest Entities and Unconsolidated       HTML    104K 
                Investments (Tables)                                             
45: R31         Debt (Tables)                                       HTML    218K 
46: R32         Assets and Liabilities with Recurring Fair Value    HTML    193K 
                Measurements (Tables)                                            
47: R33         Derivative Instruments (Tables)                     HTML    272K 
48: R34         Use of Collateral (Tables)                          HTML     55K 
49: R35         Income Taxes Income Taxes (Tables)                  HTML    149K 
50: R36         Earnings (Loss) per Share (Tables)                  HTML     48K 
51: R37         Stock-Based Compensation (Tables)                   HTML     76K 
52: R38         Capital Structure (Tables)                          HTML     62K 
53: R39         Commitments and Contingencies (Tables)              HTML    111K 
54: R40         Segment and Significant Customer Information        HTML    204K 
                (Tables)                                                         
55: R41         Quarterly Consolidated Financial Data (Unaudited)   HTML     72K 
                (Tables)                                                         
56: R42         Summary of Significant Accounting Policies          HTML     87K 
                (Details)                                                        
57: R43         Summary of Significant Accounting Policies          HTML     44K 
                Contractual Future Minimum Lease Receipt Table                   
                (Details)                                                        
58: R44         Acquisitions, Divestitures and Discontinued         HTML    144K 
                Operations (Textuals) (Details)                                  
59: R45         Property, Plant and Equipment, Net (Details)        HTML     70K 
60: R46         Variable Interest Entities and Unconsolidated       HTML     36K 
                Investments (Unconsolidated VIEs) (Details)                      
61: R47         Variable Interest Entities and Unconsolidated       HTML     40K 
                Investments (Unconsolidated Investements)                        
                (Details)                                                        
62: R48         Variable Interest Entities and Unconsolidated       HTML    109K 
                Investments (Equity Method Investment Summarized                 
                Financial Information) (Details)                                 
63: R49         Variable Interest Entities and Unconsolidated       HTML     66K 
                Investments (VIE Textuals) (Details)                             
64: R50         Debt (Debt) (Details)                               HTML     48K 
65: R51         Debt (Annual Debt Marturities) (Details)            HTML     54K 
66: R52         Debt Senior Unsecured Notes (Details)               HTML     72K 
67: R53         Debt Debt (First Lien Term Loans) (Details)         HTML     80K 
68: R54         Debt Debt (First Lien Notes) (Details)              HTML     49K 
69: R55         Debt (Project Financing, Notes Payable and Others)  HTML     56K 
                (Details)                                                        
70: R56         Debt CCFC Term Loans (Details)                      HTML     68K 
71: R57         Debt (Capital Lease Obligations) (Details)          HTML     92K 
72: R58         Debt (Corporate Revolving Facility and other        HTML     41K 
                Letters of Credit Facilities) (Details)                          
73: R59         Debt (Fair Value of Debt) (Details)                 HTML     60K 
74: R60         Debt (Textuals) (Details)                           HTML    105K 
75: R61         Assets and Liabilities with Recurring Fair Value    HTML     74K 
                Measurements (Details)                                           
76: R62         Assets and Liabilities with Recurring Fair Value    HTML     49K 
                Measurements Quantitative Information about Level                
                3 Fair Value Measurements (Details)                              
77: R63         Assets and Liabilities with Recurring Fair Value    HTML     76K 
                Measurements (Textuals) (Details)                                
78: R64         Derivative Instruments (Details)                    HTML     41K 
79: R65         Derivative Instruments (Details 2) (Details)        HTML     85K 
80: R66         Derivative Instruments (Details 3) (Details)        HTML     63K 
81: R67         Derivative Instruments (Details 4) (Details)        HTML     42K 
82: R68         Derivative Instruments (Detail 5) (Details)         HTML     83K 
83: R69         Derivative Instruments (Textuals) (Details)         HTML     55K 
84: R70         Use of Collateral (Details)                         HTML     59K 
85: R71         Income Taxes (Income Tax Expense (Benefit))         HTML     35K 
                (Details)                                                        
86: R72         Income Taxes (Components of Income Tax Expense      HTML     59K 
                (Benefit)) (Details)                                             
87: R73         Income Taxes (Effective Income Tax Expense          HTML     66K 
                (Benefit) Rate) (Details)                                        
88: R74         Income Taxes (Deferred Tax Assets and Liabilities)  HTML     68K 
                (Details)                                                        
89: R75         Income Taxes (Income Tax Contingencies) (Details)   HTML     43K 
90: R76         Income Taxes (Textuals) (Details)                   HTML     85K 
91: R77         Earnings (Loss) per Share (Details)                 HTML     42K 
92: R78         Stock-Based Compensation (Details)                  HTML    175K 
93: R79         Defined Contribution and Defined Benefit Plans      HTML     61K 
                (Details)                                                        
94: R80         Capital Structure (Details)                         HTML     65K 
95: R81         Commitments and Contingencies (Narrative)           HTML     72K 
                (Details)                                                        
96: R82         Commitments and Contingencies (Schedules of Future  HTML     62K 
                Minimum Rental Payments) (Details)                               
97: R83         Commitments and Contingencies (Schedule of          HTML     59K 
                Guarantor Obligations) (Details)                                 
98: R84         Segment and Significant Customer Information        HTML    167K 
                (Details)                                                        
99: R85         Quarterly Consolidated Financial Data (Unaudited)   HTML     49K 
                (Details)                                                        
100: R86         Schedule of Valuation and Qualifying Accounts       HTML     45K  
                Disclosure (Details)                                             
102: XML         IDEA XML File -- Filing Summary                      XML    191K  
101: EXCEL       IDEA Workbook of Financial Reports                  XLSX    156K  
 9: EX-101.INS  XBRL Instance -- cpn-20151231                        XML   5.47M 
11: EX-101.CAL  XBRL Calculations -- cpn-20151231_cal                XML    435K 
12: EX-101.DEF  XBRL Definitions -- cpn-20151231_def                 XML   1.26M 
13: EX-101.LAB  XBRL Labels -- cpn-20151231_lab                      XML   2.81M 
14: EX-101.PRE  XBRL Presentations -- cpn-20151231_pre               XML   1.59M 
10: EX-101.SCH  XBRL Schema -- cpn-20151231                          XSD    290K 
103: ZIP         XBRL Zipped Folder -- 0000916457-16-000057-xbrl      Zip    465K

‘EX-101.DEF’   —   XBRL Definitions — cpn-20151231_def

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- XBRL Document Created with Wdesk from Workiva -->
<!-- -->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<roleRef roleURI="http://www.calpine.com/role/AcquisitionsDivestituresAndDiscontinuedOperationsAcquisitionsAndDivestituresNotes" xlink:href="cpn-20151231.xsd#AcquisitionsDivestituresAndDiscontinuedOperationsAcquisitionsAndDivestituresNotes" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/AcquisitionsDivestituresAndDiscontinuedOperationsTables" xlink:href="cpn-20151231.xsd#AcquisitionsDivestituresAndDiscontinuedOperationsTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/AcquisitionsDivestituresAndDiscontinuedOperationsTextualsDetails" xlink:href="cpn-20151231.xsd#AcquisitionsDivestituresAndDiscontinuedOperationsTextualsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/AssetsAndLiabilitiesWithRecurringFairValueMeasurements" xlink:href="cpn-20151231.xsd#AssetsAndLiabilitiesWithRecurringFairValueMeasurements" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/AssetsAndLiabilitiesWithRecurringFairValueMeasurementsDetails" xlink:href="cpn-20151231.xsd#AssetsAndLiabilitiesWithRecurringFairValueMeasurementsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/AssetsAndLiabilitiesWithRecurringFairValueMeasurementsQuantitativeInformationAboutLevel3FairValueMeasurementsDetails" xlink:href="cpn-20151231.xsd#AssetsAndLiabilitiesWithRecurringFairValueMeasurementsQuantitativeInformationAboutLevel3FairValueMeasurementsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/AssetsAndLiabilitiesWithRecurringFairValueMeasurementsTables" xlink:href="cpn-20151231.xsd#AssetsAndLiabilitiesWithRecurringFairValueMeasurementsTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/AssetsAndLiabilitiesWithRecurringFairValueMeasurementsTextualsDetails" xlink:href="cpn-20151231.xsd#AssetsAndLiabilitiesWithRecurringFairValueMeasurementsTextualsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/CapitalStructure" xlink:href="cpn-20151231.xsd#CapitalStructure" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/CapitalStructureDetails" xlink:href="cpn-20151231.xsd#CapitalStructureDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/CapitalStructureTables" xlink:href="cpn-20151231.xsd#CapitalStructureTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/CommitmentsAndContingencies" xlink:href="cpn-20151231.xsd#CommitmentsAndContingencies" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/CommitmentsAndContingenciesNarrativeDetails" xlink:href="cpn-20151231.xsd#CommitmentsAndContingenciesNarrativeDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/CommitmentsAndContingenciesScheduleOfGuarantorObligationsDetails" xlink:href="cpn-20151231.xsd#CommitmentsAndContingenciesScheduleOfGuarantorObligationsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/CommitmentsAndContingenciesSchedulesOfFutureMinimumRentalPaymentsDetails" xlink:href="cpn-20151231.xsd#CommitmentsAndContingenciesSchedulesOfFutureMinimumRentalPaymentsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/CommitmentsAndContingenciesTables" xlink:href="cpn-20151231.xsd#CommitmentsAndContingenciesTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/ConsolidatedBalanceSheets" xlink:href="cpn-20151231.xsd#ConsolidatedBalanceSheets" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/ConsolidatedBalanceSheetsConsolidatedBalanceSheetsParentheticals" xlink:href="cpn-20151231.xsd#ConsolidatedBalanceSheetsConsolidatedBalanceSheetsParentheticals" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="cpn-20151231.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:href="cpn-20151231.xsd#ConsolidatedStatementsOfComprehensiveIncome" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/ConsolidatedStatementsOfOperations" xlink:href="cpn-20151231.xsd#ConsolidatedStatementsOfOperations" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/ConsolidatedStatementsOfStockholdersEquity" xlink:href="cpn-20151231.xsd#ConsolidatedStatementsOfStockholdersEquity" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/Debt" xlink:href="cpn-20151231.xsd#Debt" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtAnnualDebtMarturitiesDetails" xlink:href="cpn-20151231.xsd#DebtAnnualDebtMarturitiesDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtCapitalLeaseObligationsDetails" xlink:href="cpn-20151231.xsd#DebtCapitalLeaseObligationsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtCcfcTermLoansDetails" xlink:href="cpn-20151231.xsd#DebtCcfcTermLoansDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtCorporateRevolvingFacilityAndOtherLettersOfCreditFacilitiesDetails" xlink:href="cpn-20151231.xsd#DebtCorporateRevolvingFacilityAndOtherLettersOfCreditFacilitiesDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtDebtDetails" xlink:href="cpn-20151231.xsd#DebtDebtDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtDebtFirstLienNotesDetails" xlink:href="cpn-20151231.xsd#DebtDebtFirstLienNotesDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtDebtFirstLienTermLoansDetails" xlink:href="cpn-20151231.xsd#DebtDebtFirstLienTermLoansDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtFairValueOfDebtDetails" xlink:href="cpn-20151231.xsd#DebtFairValueOfDebtDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtProjectFinancingNotesPayableAndOthersDetails" xlink:href="cpn-20151231.xsd#DebtProjectFinancingNotesPayableAndOthersDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtSeniorUnsecuredNotesDetails" xlink:href="cpn-20151231.xsd#DebtSeniorUnsecuredNotesDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtTables" xlink:href="cpn-20151231.xsd#DebtTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtTextualsDetails" xlink:href="cpn-20151231.xsd#DebtTextualsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DefinedContributionAndDefinedBenefitPlans" xlink:href="cpn-20151231.xsd#DefinedContributionAndDefinedBenefitPlans" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DefinedContributionAndDefinedBenefitPlansDetails" xlink:href="cpn-20151231.xsd#DefinedContributionAndDefinedBenefitPlansDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DerivativeInstruments" xlink:href="cpn-20151231.xsd#DerivativeInstruments" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DerivativeInstrumentsDetail5Details" xlink:href="cpn-20151231.xsd#DerivativeInstrumentsDetail5Details" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DerivativeInstrumentsDetails" xlink:href="cpn-20151231.xsd#DerivativeInstrumentsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DerivativeInstrumentsDetails2Details" xlink:href="cpn-20151231.xsd#DerivativeInstrumentsDetails2Details" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DerivativeInstrumentsDetails3Details" xlink:href="cpn-20151231.xsd#DerivativeInstrumentsDetails3Details" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DerivativeInstrumentsDetails4Details" xlink:href="cpn-20151231.xsd#DerivativeInstrumentsDetails4Details" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DerivativeInstrumentsTables" xlink:href="cpn-20151231.xsd#DerivativeInstrumentsTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DerivativeInstrumentsTextualsDetails" xlink:href="cpn-20151231.xsd#DerivativeInstrumentsTextualsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DocumentAndEntityInformationCover" xlink:href="cpn-20151231.xsd#DocumentAndEntityInformationCover" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/EarningsLossPerShare" xlink:href="cpn-20151231.xsd#EarningsLossPerShare" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/EarningsLossPerShareDetails" xlink:href="cpn-20151231.xsd#EarningsLossPerShareDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/EarningsLossPerShareTables" xlink:href="cpn-20151231.xsd#EarningsLossPerShareTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/IncomeTaxes" xlink:href="cpn-20151231.xsd#IncomeTaxes" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/IncomeTaxesComponentsOfIncomeTaxExpenseBenefitDetails" xlink:href="cpn-20151231.xsd#IncomeTaxesComponentsOfIncomeTaxExpenseBenefitDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/IncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails" xlink:href="cpn-20151231.xsd#IncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/IncomeTaxesEffectiveIncomeTaxExpenseBenefitRateDetails" xlink:href="cpn-20151231.xsd#IncomeTaxesEffectiveIncomeTaxExpenseBenefitRateDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/IncomeTaxesIncomeTaxContingenciesDetails" xlink:href="cpn-20151231.xsd#IncomeTaxesIncomeTaxContingenciesDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/IncomeTaxesIncomeTaxExpenseBenefitDetails" xlink:href="cpn-20151231.xsd#IncomeTaxesIncomeTaxExpenseBenefitDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/IncomeTaxesIncomeTaxesTables" xlink:href="cpn-20151231.xsd#IncomeTaxesIncomeTaxesTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/IncomeTaxesTextualsDetails" xlink:href="cpn-20151231.xsd#IncomeTaxesTextualsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/OrganizationAndOperations" xlink:href="cpn-20151231.xsd#OrganizationAndOperations" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/PropertyPlantAndEquipmentNet" xlink:href="cpn-20151231.xsd#PropertyPlantAndEquipmentNet" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/PropertyPlantAndEquipmentNetDetails" xlink:href="cpn-20151231.xsd#PropertyPlantAndEquipmentNetDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/PropertyPlantAndEquipmentNetTables" xlink:href="cpn-20151231.xsd#PropertyPlantAndEquipmentNetTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/QuarterlyConsolidatedFinancialDataUnaudited" xlink:href="cpn-20151231.xsd#QuarterlyConsolidatedFinancialDataUnaudited" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/QuarterlyConsolidatedFinancialDataUnauditedDetails" xlink:href="cpn-20151231.xsd#QuarterlyConsolidatedFinancialDataUnauditedDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/QuarterlyConsolidatedFinancialDataUnauditedTables" xlink:href="cpn-20151231.xsd#QuarterlyConsolidatedFinancialDataUnauditedTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/ScheduleOfValuationAndQualifyingAccountsDisclosure" xlink:href="cpn-20151231.xsd#ScheduleOfValuationAndQualifyingAccountsDisclosure" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/ScheduleOfValuationAndQualifyingAccountsDisclosureDetails" xlink:href="cpn-20151231.xsd#ScheduleOfValuationAndQualifyingAccountsDisclosureDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/SegmentAndSignificantCustomerInformation" xlink:href="cpn-20151231.xsd#SegmentAndSignificantCustomerInformation" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/SegmentAndSignificantCustomerInformationDetails" xlink:href="cpn-20151231.xsd#SegmentAndSignificantCustomerInformationDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/SegmentAndSignificantCustomerInformationTables" xlink:href="cpn-20151231.xsd#SegmentAndSignificantCustomerInformationTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/StockBasedCompensation" xlink:href="cpn-20151231.xsd#StockBasedCompensation" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/StockBasedCompensationDetails" xlink:href="cpn-20151231.xsd#StockBasedCompensationDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/StockBasedCompensationTables" xlink:href="cpn-20151231.xsd#StockBasedCompensationTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="cpn-20151231.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/SummaryOfSignificantAccountingPoliciesContractualFutureMinimumLeaseReceiptTableDetails" xlink:href="cpn-20151231.xsd#SummaryOfSignificantAccountingPoliciesContractualFutureMinimumLeaseReceiptTableDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/SummaryOfSignificantAccountingPoliciesDetails" xlink:href="cpn-20151231.xsd#SummaryOfSignificantAccountingPoliciesDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:href="cpn-20151231.xsd#SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:href="cpn-20151231.xsd#SummaryOfSignificantAccountingPoliciesTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/UseOfCollateral" xlink:href="cpn-20151231.xsd#UseOfCollateral" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/UseOfCollateralDetails" xlink:href="cpn-20151231.xsd#UseOfCollateralDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/UseOfCollateralTables" xlink:href="cpn-20151231.xsd#UseOfCollateralTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/VariableInterestEntitiesAndUnconsolidatedInvestments" xlink:href="cpn-20151231.xsd#VariableInterestEntitiesAndUnconsolidatedInvestments" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/VariableInterestEntitiesAndUnconsolidatedInvestmentsEquityMethodInvestmentSummarizedFinancialInformationDetails" xlink:href="cpn-20151231.xsd#VariableInterestEntitiesAndUnconsolidatedInvestmentsEquityMethodInvestmentSummarizedFinancialInformationDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/VariableInterestEntitiesAndUnconsolidatedInvestmentsTables" xlink:href="cpn-20151231.xsd#VariableInterestEntitiesAndUnconsolidatedInvestmentsTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/VariableInterestEntitiesAndUnconsolidatedInvestmentsUnconsolidatedInvestementsDetails" xlink:href="cpn-20151231.xsd#VariableInterestEntitiesAndUnconsolidatedInvestmentsUnconsolidatedInvestementsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/VariableInterestEntitiesAndUnconsolidatedInvestmentsUnconsolidatedViesDetails" xlink:href="cpn-20151231.xsd#VariableInterestEntitiesAndUnconsolidatedInvestmentsUnconsolidatedViesDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/VariableInterestEntitiesAndUnconsolidatedInvestmentsVieTextualsDetails" xlink:href="cpn-20151231.xsd#VariableInterestEntitiesAndUnconsolidatedInvestmentsVieTextualsDetails" xlink:type="simple"/>
<arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple"/>
<arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple"/>
<arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple"/>
<arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple"/>
<arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple"/>
<definitionLink xlink:role="http://www.calpine.com/role/AcquisitionsDivestituresAndDiscontinuedOperationsAcquisitionsAndDivestituresNotes" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/AcquisitionsDivestituresAndDiscontinuedOperationsTables" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/AcquisitionsDivestituresAndDiscontinuedOperationsTextualsDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_927F81FA2CBE84732E02D2954072AE87" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_927F81FA2CBE84732E02D2954072AE87" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_C08D3EEE6531E86C6434D2954072F41D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_927F81FA2CBE84732E02D2954072AE87" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_C08D3EEE6531E86C6434D2954072F41D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_3BF54DAFAC634058696AD2954072AB5F_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_C08D3EEE6531E86C6434D2954072F41D" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_3BF54DAFAC634058696AD2954072AB5F_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_3BF54DAFAC634058696AD2954072AB5F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_C08D3EEE6531E86C6434D2954072F41D" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_3BF54DAFAC634058696AD2954072AB5F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_29426C3EE33FB0E17EC9D2954072D0F0" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_3BF54DAFAC634058696AD2954072AB5F" xlink:to="loc_us-gaap_SubsequentEventMember_29426C3EE33FB0E17EC9D2954072D0F0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_51DCEEBD8194564EC4C4D2954072EC83" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_927F81FA2CBE84732E02D2954072AE87" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_51DCEEBD8194564EC4C4D2954072EC83" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BD9FAF85114E36BF0E57D2954072336A_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_51DCEEBD8194564EC4C4D2954072EC83" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BD9FAF85114E36BF0E57D2954072336A_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BD9FAF85114E36BF0E57D2954072336A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_51DCEEBD8194564EC4C4D2954072EC83" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BD9FAF85114E36BF0E57D2954072336A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_F43DB3EC97DACE695738D2954072F338" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BD9FAF85114E36BF0E57D2954072336A" xlink:to="loc_us-gaap_CustomerRelationshipsMember_F43DB3EC97DACE695738D2954072F338" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_B025AE1ED8A58A3BC9CBD2954072B5BB" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BD9FAF85114E36BF0E57D2954072336A" xlink:to="loc_us-gaap_TradeNamesMember_B025AE1ED8A58A3BC9CBD2954072B5BB" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_PowerPlantAxis" xlink:label="loc_cpn_PowerPlantAxis_89402CDB1CBD3AEC2423D2954072FF42" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_927F81FA2CBE84732E02D2954072AE87" xlink:to="loc_cpn_PowerPlantAxis_89402CDB1CBD3AEC2423D2954072FF42" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_PowerPlantDomain" xlink:label="loc_cpn_PowerPlantDomain_25BD5A86F794DF77F0CED295407296E8_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_cpn_PowerPlantAxis_89402CDB1CBD3AEC2423D2954072FF42" xlink:to="loc_cpn_PowerPlantDomain_25BD5A86F794DF77F0CED295407296E8_default" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_PowerPlantDomain" xlink:label="loc_cpn_PowerPlantDomain_25BD5A86F794DF77F0CED295407296E8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_cpn_PowerPlantAxis_89402CDB1CBD3AEC2423D2954072FF42" xlink:to="loc_cpn_PowerPlantDomain_25BD5A86F794DF77F0CED295407296E8" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ColumbiaEnergyCenterMember" xlink:label="loc_cpn_ColumbiaEnergyCenterMember_585C87463F3B3EE37562D2954072FC0E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_PowerPlantDomain_25BD5A86F794DF77F0CED295407296E8" xlink:to="loc_cpn_ColumbiaEnergyCenterMember_585C87463F3B3EE37562D2954072FC0E" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_SantaRosaEnergyCenterMember" xlink:label="loc_cpn_SantaRosaEnergyCenterMember_E57418A2338C209363CCD2954072BE86" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_PowerPlantDomain_25BD5A86F794DF77F0CED295407296E8" xlink:to="loc_cpn_SantaRosaEnergyCenterMember_E57418A2338C209363CCD2954072BE86" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_HogBayouEnergyCenterMember" xlink:label="loc_cpn_HogBayouEnergyCenterMember_474103672192E887E383D29540731BDF" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_PowerPlantDomain_25BD5A86F794DF77F0CED295407296E8" xlink:to="loc_cpn_HogBayouEnergyCenterMember_474103672192E887E383D29540731BDF" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_DecaturEnergyCenterMember" xlink:label="loc_cpn_DecaturEnergyCenterMember_60182585B36851EE6FB1D2954073FB31" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_PowerPlantDomain_25BD5A86F794DF77F0CED295407296E8" xlink:to="loc_cpn_DecaturEnergyCenterMember_60182585B36851EE6FB1D2954073FB31" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CarvilleEnergyCenterMember" xlink:label="loc_cpn_CarvilleEnergyCenterMember_6CFC3C507809DB03283CD2954073B527" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_PowerPlantDomain_25BD5A86F794DF77F0CED295407296E8" xlink:to="loc_cpn_CarvilleEnergyCenterMember_6CFC3C507809DB03283CD2954073B527" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OnetaEnergyCenterMember" xlink:label="loc_cpn_OnetaEnergyCenterMember_561B19158E1E6F391D81D29540733C8C" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_PowerPlantDomain_25BD5A86F794DF77F0CED295407296E8" xlink:to="loc_cpn_OnetaEnergyCenterMember_561B19158E1E6F391D81D29540733C8C" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_SixPowerPlantsMember" xlink:label="loc_cpn_SixPowerPlantsMember_7F8A914B03E91F6C37ABD2954073BD3B" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_PowerPlantDomain_25BD5A86F794DF77F0CED295407296E8" xlink:to="loc_cpn_SixPowerPlantsMember_7F8A914B03E91F6C37ABD2954073BD3B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_97EB4407417EB14F8184D295407357B3" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_927F81FA2CBE84732E02D2954072AE87" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_97EB4407417EB14F8184D295407357B3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_31C92836EADE9F781524D2954073D319_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_97EB4407417EB14F8184D295407357B3" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_31C92836EADE9F781524D2954073D319_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_31C92836EADE9F781524D2954073D319" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_97EB4407417EB14F8184D295407357B3" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_31C92836EADE9F781524D2954073D319" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OnetaEnergyCenterMember" xlink:label="loc_cpn_OnetaEnergyCenterMember_89BC589D1E01DADE36D9D2954073D910" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_31C92836EADE9F781524D2954073D319" xlink:to="loc_cpn_OnetaEnergyCenterMember_89BC589D1E01DADE36D9D2954073D910" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CarvilleEnergyCenterMember" xlink:label="loc_cpn_CarvilleEnergyCenterMember_6050A83036AF4826AA70D2954073D03F" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_31C92836EADE9F781524D2954073D319" xlink:to="loc_cpn_CarvilleEnergyCenterMember_6050A83036AF4826AA70D2954073D03F" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_DecaturEnergyCenterMember" xlink:label="loc_cpn_DecaturEnergyCenterMember_EDC1E518E46FD9136083D2954073B284" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_31C92836EADE9F781524D2954073D319" xlink:to="loc_cpn_DecaturEnergyCenterMember_EDC1E518E46FD9136083D2954073B284" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_HogBayouEnergyCenterMember" xlink:label="loc_cpn_HogBayouEnergyCenterMember_10053077E1A5BFFEB612D2954073F603" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_31C92836EADE9F781524D2954073D319" xlink:to="loc_cpn_HogBayouEnergyCenterMember_10053077E1A5BFFEB612D2954073F603" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_SantaRosaEnergyCenterMember" xlink:label="loc_cpn_SantaRosaEnergyCenterMember_072341C7AEED919A5FF7D29540731504" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_31C92836EADE9F781524D2954073D319" xlink:to="loc_cpn_SantaRosaEnergyCenterMember_072341C7AEED919A5FF7D29540731504" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ColumbiaEnergyCenterMember" xlink:label="loc_cpn_ColumbiaEnergyCenterMember_A2786502285F1142E417D2954073B221" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_31C92836EADE9F781524D2954073D319" xlink:to="loc_cpn_ColumbiaEnergyCenterMember_A2786502285F1142E417D2954073B221" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_SixPowerPlantsMember" xlink:label="loc_cpn_SixPowerPlantsMember_FD195430EB85235B80BBD2954073ECCF" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_31C92836EADE9F781524D2954073D319" xlink:to="loc_cpn_SixPowerPlantsMember_FD195430EB85235B80BBD2954073ECCF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_3855E0B9322DEFC7C019D2954073573D" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_927F81FA2CBE84732E02D2954072AE87" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_3855E0B9322DEFC7C019D2954073573D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_F3F9EC887B6A623783C6D29540730944_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_3855E0B9322DEFC7C019D2954073573D" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_F3F9EC887B6A623783C6D29540730944_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_F3F9EC887B6A623783C6D29540730944" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_3855E0B9322DEFC7C019D2954073573D" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_F3F9EC887B6A623783C6D29540730944" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_IncrementalCCFCTermLoansMember" xlink:label="loc_cpn_IncrementalCCFCTermLoansMember_4A2581D287ABD57F5CA6D2954073C2A0" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_F3F9EC887B6A623783C6D29540730944" xlink:to="loc_cpn_IncrementalCCFCTermLoansMember_4A2581D287ABD57F5CA6D2954073C2A0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_6EE2979BD0B7E9E9D6D7D29540747BA1" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_927F81FA2CBE84732E02D2954072AE87" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_6EE2979BD0B7E9E9D6D7D29540747BA1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_20C5BBB6732E2792A42DD2954074F7F9_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_6EE2979BD0B7E9E9D6D7D29540747BA1" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_20C5BBB6732E2792A42DD2954074F7F9_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_20C5BBB6732E2792A42DD2954074F7F9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_6EE2979BD0B7E9E9D6D7D29540747BA1" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_20C5BBB6732E2792A42DD2954074F7F9" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GraniteRidgeEnergyCenterMember" xlink:label="loc_cpn_GraniteRidgeEnergyCenterMember_D373D0A35C0E9C7E45BDD295407460A6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_20C5BBB6732E2792A42DD2954074F7F9" xlink:to="loc_cpn_GraniteRidgeEnergyCenterMember_D373D0A35C0E9C7E45BDD295407460A6" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ForeRiverEnergyCenterMember" xlink:label="loc_cpn_ForeRiverEnergyCenterMember_F333AC6D7E221102A9EAD295407484FA" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_20C5BBB6732E2792A42DD2954074F7F9" xlink:to="loc_cpn_ForeRiverEnergyCenterMember_F333AC6D7E221102A9EAD295407484FA" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GuadalupeEnergyCenterMember" xlink:label="loc_cpn_GuadalupeEnergyCenterMember_4E921A21CDADC3EF7616D2954074E071" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_20C5BBB6732E2792A42DD2954074F7F9" xlink:to="loc_cpn_GuadalupeEnergyCenterMember_4E921A21CDADC3EF7616D2954074E071" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GuadalupeExpansionCapacityMember" xlink:label="loc_cpn_GuadalupeExpansionCapacityMember_3C015622E85F788B495BD2954074B2C8" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_20C5BBB6732E2792A42DD2954074F7F9" xlink:to="loc_cpn_GuadalupeExpansionCapacityMember_3C015622E85F788B495BD2954074B2C8" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_FreestoneEnergyCenterMember" xlink:label="loc_cpn_FreestoneEnergyCenterMember_9323E25F7325621F451BD295407446A6" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_20C5BBB6732E2792A42DD2954074F7F9" xlink:to="loc_cpn_FreestoneEnergyCenterMember_9323E25F7325621F451BD295407446A6" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CraneChampionHoldcoLLCMember" xlink:label="loc_cpn_CraneChampionHoldcoLLCMember_CD6D8989DE7E5A12C19ED29540742F54" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_20C5BBB6732E2792A42DD2954074F7F9" xlink:to="loc_cpn_CraneChampionHoldcoLLCMember_CD6D8989DE7E5A12C19ED29540742F54" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_EDFTradingNorthAmericaLLCMember" xlink:label="loc_cpn_EDFTradingNorthAmericaLLCMember_62D0A9F4912D79FDED26D2954074A4CD" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_20C5BBB6732E2792A42DD2954074F7F9" xlink:to="loc_cpn_EDFTradingNorthAmericaLLCMember_62D0A9F4912D79FDED26D2954074A4CD" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ChampionEnergyMarketingLLCMember" xlink:label="loc_cpn_ChampionEnergyMarketingLLCMember_7B2EBC2A63D393B127CED29540746E5A" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_20C5BBB6732E2792A42DD2954074F7F9" xlink:to="loc_cpn_ChampionEnergyMarketingLLCMember_7B2EBC2A63D393B127CED29540746E5A" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OspreyEnergyCenterMember" xlink:label="loc_cpn_OspreyEnergyCenterMember_DD448AFC610D439E5E03D29540743063" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_20C5BBB6732E2792A42DD2954074F7F9" xlink:to="loc_cpn_OspreyEnergyCenterMember_DD448AFC610D439E5E03D29540743063" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_PowerGenerationCapacity" xlink:label="loc_cpn_PowerGenerationCapacity_8C26DBC0DDF9971F96E0D29540746600" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_cpn_PowerGenerationCapacity_8C26DBC0DDF9971F96E0D29540746600" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_Summerpeakingcapacity" xlink:label="loc_cpn_Summerpeakingcapacity_A686C93130925CEFA5A1D2954075E215" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_cpn_Summerpeakingcapacity_A686C93130925CEFA5A1D2954075E215" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_90BE222C21DA7E4C2BD1D295407547CA" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_90BE222C21DA7E4C2BD1D295407547CA" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OwnershipPercentageofAcquiree" xlink:label="loc_cpn_OwnershipPercentageofAcquiree_8CE95167E25E07B30F08D2954075DA5E" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_cpn_OwnershipPercentageofAcquiree_8CE95167E25E07B30F08D2954075DA5E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_D34FB5C63FE757E7456DD2954075A984" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_D34FB5C63FE757E7456DD2954075A984" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets_910A6B693191193D8C53D295407583DF" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets_910A6B693191193D8C53D295407583DF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_33A43558095A40DFDCEDD2954075AAC2" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_33A43558095A40DFDCEDD2954075AAC2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_07657E8CF309DA2DCEF1D29540757681" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_07657E8CF309DA2DCEF1D29540757681" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_17804DA7AD9E00E4E923D2954075BAA0" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_17804DA7AD9E00E4E923D2954075BAA0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_B1FE38C05C771E624E27D2954075E8DD" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_B1FE38C05C771E624E27D2954075E8DD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities_2699DE4A3BA9CF3F8C42D29540759282" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities_2699DE4A3BA9CF3F8C42D29540759282" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_37B53F75F29697B23533D2954075F931" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_37B53F75F29697B23533D2954075F931" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_446591EA45092AE051C5D29540758FD7" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_446591EA45092AE051C5D29540758FD7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_814A8CFFFE0957A6A842D2954075E299" xlink:type="locator"/>
<definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_814A8CFFFE0957A6A842D2954075E299" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_251631558047D3CB03CFD29540759833" xlink:type="locator"/>
<definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_251631558047D3CB03CFD29540759833" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_05B145BA2135FE1E25CBD29540754A92" xlink:type="locator"/>
<definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_05B145BA2135FE1E25CBD29540754A92" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromSaleOfProductiveAssets" xlink:label="loc_us-gaap_ProceedsFromSaleOfProductiveAssets_655E1987A065EE1D321CD2954075FB3C" xlink:type="locator"/>
<definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_us-gaap_ProceedsFromSaleOfProductiveAssets_655E1987A065EE1D321CD2954075FB3C" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OspreyEnergyCenterAgreementTerm" xlink:label="loc_cpn_OspreyEnergyCenterAgreementTerm_9E1904F24ADB789C0B69D2954076CA61" xlink:type="locator"/>
<definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_cpn_OspreyEnergyCenterAgreementTerm_9E1904F24ADB789C0B69D2954076CA61" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ElectricitySalesVolume" xlink:label="loc_cpn_ElectricitySalesVolume_143AED800FF54C8B9A9CD295407656FC" xlink:type="locator"/>
<definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_cpn_ElectricitySalesVolume_143AED800FF54C8B9A9CD295407656FC" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_Numberofpowerplantsdisposedof" xlink:label="loc_cpn_Numberofpowerplantsdisposedof_2CA5C72C922C412971DFD2954076FEB5" xlink:type="locator"/>
<definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_cpn_Numberofpowerplantsdisposedof_2CA5C72C922C412971DFD2954076FEB5" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OwnershipPercentageBeforeDivestitureOfBusiness" xlink:label="loc_cpn_OwnershipPercentageBeforeDivestitureOfBusiness_E1AD28396D13364CAC68D29540765EBB" xlink:type="locator"/>
<definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_cpn_OwnershipPercentageBeforeDivestitureOfBusiness_E1AD28396D13364CAC68D29540765EBB" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_WorkingCapitalAdjustmenttoSaleprice" xlink:label="loc_cpn_WorkingCapitalAdjustmenttoSaleprice_19FDD1D4E36962125958D2954076F531" xlink:type="locator"/>
<definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_cpn_WorkingCapitalAdjustmenttoSaleprice_19FDD1D4E36962125958D2954076F531" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets1" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_DB975D320F7571B29ED1D2954076D94F" xlink:type="locator"/>
<definitionArc order="23" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_C4563B9632B27427DB91D2954074E2DB" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_DB975D320F7571B29ED1D2954076D94F" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/AssetsAndLiabilitiesWithRecurringFairValueMeasurements" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/AssetsAndLiabilitiesWithRecurringFairValueMeasurementsDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_63AC01016A0E406C5743C722893089AD" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_2206A9A9C6C1F8C574ACC722892F0DA6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_63AC01016A0E406C5743C722893089AD" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_2206A9A9C6C1F8C574ACC722892F0DA6" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_DA42996ADEB0DBA4416BC72289306223" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_2206A9A9C6C1F8C574ACC722892F0DA6" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_DA42996ADEB0DBA4416BC72289306223" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_51845A3E0BD900D25A24C72289309C52_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_DA42996ADEB0DBA4416BC72289306223" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_51845A3E0BD900D25A24C72289309C52_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_51845A3E0BD900D25A24C72289309C52" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_DA42996ADEB0DBA4416BC72289306223" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_51845A3E0BD900D25A24C72289309C52" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_C4D7F9593153D0239A9BC72289301A78" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_51845A3E0BD900D25A24C72289309C52" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_C4D7F9593153D0239A9BC72289301A78" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_22EC6A98ABF07D6A4B6BC72289307D14" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_51845A3E0BD900D25A24C72289309C52" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_22EC6A98ABF07D6A4B6BC72289307D14" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_1599542107832311F1CDC7228930EEC6" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_51845A3E0BD900D25A24C72289309C52" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_1599542107832311F1CDC7228930EEC6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_9E9A6B3365CDE939F4A4C72289304210" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_63AC01016A0E406C5743C722893089AD" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_9E9A6B3365CDE939F4A4C72289304210" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MarginDepositAssets" xlink:label="loc_us-gaap_MarginDepositAssets_875934683A0EA8B4ED66C7228930021F" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_63AC01016A0E406C5743C722893089AD" xlink:to="loc_us-gaap_MarginDepositAssets_875934683A0EA8B4ED66C7228930021F" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CommodityFuturesContractsAssetsFairValueDisclosure" xlink:label="loc_cpn_CommodityFuturesContractsAssetsFairValueDisclosure_BBFB68EA4E5002A8E605C7228930846E" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_63AC01016A0E406C5743C722893089AD" xlink:to="loc_cpn_CommodityFuturesContractsAssetsFairValueDisclosure_BBFB68EA4E5002A8E605C7228930846E" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CommodityForwardContractsAssetsFairValueDisclosure" xlink:label="loc_cpn_CommodityForwardContractsAssetsFairValueDisclosure_B7D8D817E9BB53AE7C1EC72289306F90" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_63AC01016A0E406C5743C722893089AD" xlink:to="loc_cpn_CommodityForwardContractsAssetsFairValueDisclosure_B7D8D817E9BB53AE7C1EC72289306F90" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateDerivativeAssetsAtFairValue" xlink:label="loc_us-gaap_InterestRateDerivativeAssetsAtFairValue_E8CE233BD20BB17E7C95C7228930DE60" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_63AC01016A0E406C5743C722893089AD" xlink:to="loc_us-gaap_InterestRateDerivativeAssetsAtFairValue_E8CE233BD20BB17E7C95C7228930DE60" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_6FBF5A500A7D4C0264F4C7228930510D" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_63AC01016A0E406C5743C722893089AD" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_6FBF5A500A7D4C0264F4C7228930510D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecurityDepositLiability" xlink:label="loc_us-gaap_SecurityDepositLiability_D3F5CDE47BCA5B62907CC7228930C90D" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_63AC01016A0E406C5743C722893089AD" xlink:to="loc_us-gaap_SecurityDepositLiability_D3F5CDE47BCA5B62907CC7228930C90D" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CommodityFuturesContractsLiabilitiesFairValueDisclosure" xlink:label="loc_cpn_CommodityFuturesContractsLiabilitiesFairValueDisclosure_BE4EF0A02ABF92E1A545C7228930AD9A" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_63AC01016A0E406C5743C722893089AD" xlink:to="loc_cpn_CommodityFuturesContractsLiabilitiesFairValueDisclosure_BE4EF0A02ABF92E1A545C7228930AD9A" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CommodityForwardContractsLiabilitiesFairValueDisclosure" xlink:label="loc_cpn_CommodityForwardContractsLiabilitiesFairValueDisclosure_FD0A85BED2481DB1C3D2C72289309E6B" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_63AC01016A0E406C5743C722893089AD" xlink:to="loc_cpn_CommodityForwardContractsLiabilitiesFairValueDisclosure_FD0A85BED2481DB1C3D2C72289309E6B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateDerivativeLiabilitiesAtFairValue" xlink:label="loc_us-gaap_InterestRateDerivativeLiabilitiesAtFairValue_F5957181864DE6037EF9C72289305223" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_63AC01016A0E406C5743C722893089AD" xlink:to="loc_us-gaap_InterestRateDerivativeLiabilitiesAtFairValue_F5957181864DE6037EF9C72289305223" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_01F17DB0D102F219999BC72289304ACF" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_63AC01016A0E406C5743C722893089AD" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_01F17DB0D102F219999BC72289304ACF" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/AssetsAndLiabilitiesWithRecurringFairValueMeasurementsQuantitativeInformationAboutLevel3FairValueMeasurementsDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsAssetsQuantitativeInformationLineItems" xlink:label="loc_us-gaap_FairValueInputsAssetsQuantitativeInformationLineItems_8632D89108270AC5229AC722892A0420" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsAssetsQuantitativeInformationTable" xlink:label="loc_us-gaap_FairValueInputsAssetsQuantitativeInformationTable_827AA14B28FE7719FB97C722892A1576" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueInputsAssetsQuantitativeInformationLineItems_8632D89108270AC5229AC722892A0420" xlink:to="loc_us-gaap_FairValueInputsAssetsQuantitativeInformationTable_827AA14B28FE7719FB97C722892A1576" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByLiabilityClassAxis" xlink:label="loc_us-gaap_FairValueByLiabilityClassAxis_8D1DAE7F902FE908E0CDC722892A898F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueInputsAssetsQuantitativeInformationTable_827AA14B28FE7719FB97C722892A1576" xlink:to="loc_us-gaap_FairValueByLiabilityClassAxis_8D1DAE7F902FE908E0CDC722892A898F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_FE419EC8836852E5C326C722892A0E40_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_8D1DAE7F902FE908E0CDC722892A898F" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_FE419EC8836852E5C326C722892A0E40_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_FE419EC8836852E5C326C722892A0E40" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_8D1DAE7F902FE908E0CDC722892A898F" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_FE419EC8836852E5C326C722892A0E40" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_PhysicalPowerMember" xlink:label="loc_cpn_PhysicalPowerMember_45E670073C3E252F3106C722892A4B73" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_FE419EC8836852E5C326C722892A0E40" xlink:to="loc_cpn_PhysicalPowerMember_45E670073C3E252F3106C722892A4B73" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NaturalGasReservesMember" xlink:label="loc_us-gaap_NaturalGasReservesMember_34BDBA4D73295398A654C722892ADDCF" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_FE419EC8836852E5C326C722892A0E40" xlink:to="loc_us-gaap_NaturalGasReservesMember_34BDBA4D73295398A654C722892ADDCF" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_PowerCongestionProductsMember" xlink:label="loc_cpn_PowerCongestionProductsMember_75176BABF8DEB8822F16C722892A7915" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_FE419EC8836852E5C326C722892A0E40" xlink:to="loc_cpn_PowerCongestionProductsMember_75176BABF8DEB8822F16C722892A7915" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_188A789D677D5A576059C722892AF5DC" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueInputsAssetsQuantitativeInformationTable_827AA14B28FE7719FB97C722892A1576" xlink:to="loc_us-gaap_RangeAxis_188A789D677D5A576059C722892AF5DC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_FA15EBDDFCD46FCF1BEEC722892AAE92_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_188A789D677D5A576059C722892AF5DC" xlink:to="loc_us-gaap_RangeMember_FA15EBDDFCD46FCF1BEEC722892AAE92_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_FA15EBDDFCD46FCF1BEEC722892AAE92" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_188A789D677D5A576059C722892AF5DC" xlink:to="loc_us-gaap_RangeMember_FA15EBDDFCD46FCF1BEEC722892AAE92" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_596C137D47AC2D8DD1E0C722892AE37F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_FA15EBDDFCD46FCF1BEEC722892AAE92" xlink:to="loc_us-gaap_MinimumMember_596C137D47AC2D8DD1E0C722892AE37F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_4A1712A5D2AA86FD8D8EC722892ADF7B" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_FA15EBDDFCD46FCF1BEEC722892AAE92" xlink:to="loc_us-gaap_MaximumMember_4A1712A5D2AA86FD8D8EC722892ADF7B" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_FairValueInputsQuantitativeInformation" xlink:label="loc_cpn_FairValueInputsQuantitativeInformation_B7B0F051F3F2BC915548C722892AE04A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueInputsAssetsQuantitativeInformationLineItems_8632D89108270AC5229AC722892A0420" xlink:to="loc_cpn_FairValueInputsQuantitativeInformation_B7B0F051F3F2BC915548C722892AE04A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeNet" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_3CE7A8D4E84FEAB10D2FC722892B8F93" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueInputsAssetsQuantitativeInformationLineItems_8632D89108270AC5229AC722892A0420" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeNet_3CE7A8D4E84FEAB10D2FC722892B8F93" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/AssetsAndLiabilitiesWithRecurringFairValueMeasurementsTables" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/AssetsAndLiabilitiesWithRecurringFairValueMeasurementsTextualsDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_48122CBA22777F244201C72289253C33" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_FB1EB1C21A8790450C60C72289247821" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_48122CBA22777F244201C72289253C33" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_FB1EB1C21A8790450C60C72289247821" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByAssetClassAxis" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_F283FD4AB008E115DC56C72289240F64" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_FB1EB1C21A8790450C60C72289247821" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_F283FD4AB008E115DC56C72289240F64" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_38CE3C63723F7DD50F8BC722892499FF_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_F283FD4AB008E115DC56C72289240F64" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_38CE3C63723F7DD50F8BC722892499FF_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_38CE3C63723F7DD50F8BC722892499FF" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_F283FD4AB008E115DC56C72289240F64" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_38CE3C63723F7DD50F8BC722892499FF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsMember" xlink:label="loc_us-gaap_OtherAssetsMember_97B0D27978150C1F7DCEC7228924D664" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_38CE3C63723F7DD50F8BC722892499FF" xlink:to="loc_us-gaap_OtherAssetsMember_97B0D27978150C1F7DCEC7228924D664" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_9568E6ECF9AF0D5AC6CEC7228925C835" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_FB1EB1C21A8790450C60C72289247821" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_9568E6ECF9AF0D5AC6CEC7228925C835" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1A7A7240CDDB061379EAC7228925A9E5_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_9568E6ECF9AF0D5AC6CEC7228925C835" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1A7A7240CDDB061379EAC7228925A9E5_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1A7A7240CDDB061379EAC7228925A9E5" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_9568E6ECF9AF0D5AC6CEC7228925C835" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1A7A7240CDDB061379EAC7228925A9E5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_B8DC76A8F37C3EE407BAC7228925C167" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1A7A7240CDDB061379EAC7228925A9E5" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_B8DC76A8F37C3EE407BAC7228925C167" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_8D3F6D2EBF9AF0CB6BE0C7228925F1EB" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_FB1EB1C21A8790450C60C72289247821" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_8D3F6D2EBF9AF0CB6BE0C7228925F1EB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_799BE465950B02263626C72289253B70_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_8D3F6D2EBF9AF0CB6BE0C7228925F1EB" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_799BE465950B02263626C72289253B70_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_59599353579A830E23CCC7228925C1DD" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_8D3F6D2EBF9AF0CB6BE0C7228925F1EB" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_59599353579A830E23CCC7228925C1DD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_799BE465950B02263626C72289253B70" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_59599353579A830E23CCC7228925C1DD" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_799BE465950B02263626C72289253B70" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_39376D077EA042AE9A3CC72289256361" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_48122CBA22777F244201C72289253C33" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_39376D077EA042AE9A3CC72289256361" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_167CA56D48E8A8E585A3C72289254412" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_39376D077EA042AE9A3CC72289256361" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_167CA56D48E8A8E585A3C72289254412" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsAbstract" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsAbstract_ACAFB4F7F03CFCC457B6C72289250DCD" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_39376D077EA042AE9A3CC72289256361" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsAbstract_ACAFB4F7F03CFCC457B6C72289250DCD" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_FairValueAssetsMeasuredWithUnobservableInputsOnRecurringBasisGainLossIncludedInOperatingRevenue" xlink:label="loc_cpn_FairValueAssetsMeasuredWithUnobservableInputsOnRecurringBasisGainLossIncludedInOperatingRevenue_AFB7748EDE7A86C7FB61C7228925350B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsAbstract_ACAFB4F7F03CFCC457B6C72289250DCD" xlink:to="loc_cpn_FairValueAssetsMeasuredWithUnobservableInputsOnRecurringBasisGainLossIncludedInOperatingRevenue_AFB7748EDE7A86C7FB61C7228925350B" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_FairValueAssetsMeasuredwithUnobservableInputsonRecurringBasisGainLossIncludedInFuelAndPurchasedEnergyExpense" xlink:label="loc_cpn_FairValueAssetsMeasuredwithUnobservableInputsonRecurringBasisGainLossIncludedInFuelAndPurchasedEnergyExpense_BD42D64CB9D7A0066DC7C72289251B56" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsAbstract_ACAFB4F7F03CFCC457B6C72289250DCD" xlink:to="loc_cpn_FairValueAssetsMeasuredwithUnobservableInputsonRecurringBasisGainLossIncludedInFuelAndPurchasedEnergyExpense_BD42D64CB9D7A0066DC7C72289251B56" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_DF4877215392B8E41D8EC7228925767D" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_39376D077EA042AE9A3CC72289256361" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_DF4877215392B8E41D8EC7228925767D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_51993B78D534A43BE601C72289257752" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_DF4877215392B8E41D8EC7228925767D" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_51993B78D534A43BE601C72289257752" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues_9A7A89482CC805B4D32CC722892649B8" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_DF4877215392B8E41D8EC7228925767D" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues_9A7A89482CC805B4D32CC722892649B8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_668D5F895EDFCA3F23CDC7228926CE98" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_DF4877215392B8E41D8EC7228925767D" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_668D5F895EDFCA3F23CDC7228926CE98" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueLiabilitiesLevel1ToLevel2TransfersAmount" xlink:label="loc_us-gaap_FairValueLiabilitiesLevel1ToLevel2TransfersAmount_104F06F697936B4D9C78C7228926943F" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_39376D077EA042AE9A3CC72289256361" xlink:to="loc_us-gaap_FairValueLiabilitiesLevel1ToLevel2TransfersAmount_104F06F697936B4D9C78C7228926943F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueLiabilitiesLevel2ToLevel1TransfersAmount" xlink:label="loc_us-gaap_FairValueLiabilitiesLevel2ToLevel1TransfersAmount_942B406E31AC397F9A61C7228926C36D" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_39376D077EA042AE9A3CC72289256361" xlink:to="loc_us-gaap_FairValueLiabilitiesLevel2ToLevel1TransfersAmount_942B406E31AC397F9A61C7228926C36D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_77CBE64FEE888967A420C7228926D5EE" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_39376D077EA042AE9A3CC72289256361" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_77CBE64FEE888967A420C7228926D5EE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3_6F946E522367B198C3C4C7228926B96F" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_39376D077EA042AE9A3CC72289256361" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3_6F946E522367B198C3C4C7228926B96F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_7D294A813240068BC385C7228926467B" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_39376D077EA042AE9A3CC72289256361" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_7D294A813240068BC385C7228926467B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_5A98866EBC12301457E7C72289264F8E" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_39376D077EA042AE9A3CC72289256361" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_5A98866EBC12301457E7C72289264F8E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_17B41CC80D3033EE3BDFC7228926E500" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_5A98866EBC12301457E7C72289264F8E" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_17B41CC80D3033EE3BDFC7228926E500" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalents" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_3C957B205FC79632AB60C7228926C8F3" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_5A98866EBC12301457E7C72289264F8E" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_3C957B205FC79632AB60C7228926C8F3" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/CapitalStructure" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/CapitalStructureDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems_841D869C5FB03CC01E8FC722886E1857" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_60A184B8B78C99ABBE69C722886E1D73" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_841D869C5FB03CC01E8FC722886E1857" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_60A184B8B78C99ABBE69C722886E1D73" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_B901C75D74B796287433C722886E3C19" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_60A184B8B78C99ABBE69C722886E1D73" xlink:to="loc_us-gaap_StatementClassOfStockAxis_B901C75D74B796287433C722886E3C19" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_7296D1BC4E061D145FDAC722886ECF0A_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_B901C75D74B796287433C722886E3C19" xlink:to="loc_us-gaap_ClassOfStockDomain_7296D1BC4E061D145FDAC722886ECF0A_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_7296D1BC4E061D145FDAC722886ECF0A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_B901C75D74B796287433C722886E3C19" xlink:to="loc_us-gaap_ClassOfStockDomain_7296D1BC4E061D145FDAC722886ECF0A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_1C7AEA5E1C9263FBC020C722886EDFF4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_7296D1BC4E061D145FDAC722886ECF0A" xlink:to="loc_us-gaap_CommonStockMember_1C7AEA5E1C9263FBC020C722886EDFF4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_56F28B79B1F1CDF4EADAC722886E382A" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_7296D1BC4E061D145FDAC722886ECF0A" xlink:to="loc_us-gaap_TreasuryStockMember_56F28B79B1F1CDF4EADAC722886E382A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_4273945A40367DA70A38C722886E0005" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_841D869C5FB03CC01E8FC722886E1857" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_4273945A40367DA70A38C722886E0005" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_5E46A6A1196DEC60F476C722886F6136" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_841D869C5FB03CC01E8FC722886E1857" xlink:to="loc_us-gaap_CommonStockSharesIssued_5E46A6A1196DEC60F476C722886F6136" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_90517CD0A6F0EFFA9E08C722886F24EC" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_841D869C5FB03CC01E8FC722886E1857" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_90517CD0A6F0EFFA9E08C722886F24EC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_FBC090626360A7C2A0A4C722886F61F4" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_841D869C5FB03CC01E8FC722886E1857" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_FBC090626360A7C2A0A4C722886F61F4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_293609FDD0CAA9C87759C722886F6225" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_841D869C5FB03CC01E8FC722886E1857" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_293609FDD0CAA9C87759C722886F6225" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_EAB0A051A823A83B92DEC722886F4105" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_841D869C5FB03CC01E8FC722886E1857" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_EAB0A051A823A83B92DEC722886F4105" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockSharesRetired" xlink:label="loc_us-gaap_TreasuryStockSharesRetired_B45E02E2F6A4BF6B5AF4C722886F6D51" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_841D869C5FB03CC01E8FC722886E1857" xlink:to="loc_us-gaap_TreasuryStockSharesRetired_B45E02E2F6A4BF6B5AF4C722886F6D51" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_us-gaap_TreasuryStockShares_54195B8AD97702B95BC2C722886F4D4B" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_841D869C5FB03CC01E8FC722886E1857" xlink:to="loc_us-gaap_TreasuryStockShares_54195B8AD97702B95BC2C722886F4D4B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_B4692A7F14426D2CE8C6C722886F1EE3" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_841D869C5FB03CC01E8FC722886E1857" xlink:to="loc_us-gaap_TreasuryStockValue_B4692A7F14426D2CE8C6C722886F1EE3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_25337F1DCE38C30B1750C722886FDD13" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_841D869C5FB03CC01E8FC722886E1857" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_25337F1DCE38C30B1750C722886FDD13" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockAcquiredAverageCostPerShare" xlink:label="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_19F89C2232BB1DAF03CBC722886FF4F6" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_841D869C5FB03CC01E8FC722886E1857" xlink:to="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_19F89C2232BB1DAF03CBC722886FF4F6" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/CapitalStructureTables" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/CommitmentsAndContingencies" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/CommitmentsAndContingenciesNarrativeDetails" xlink:type="extended">
<loc xlink:href="cpn-20151231.xsd#cpn_CommitmentsAndContingenciesLineItems" xlink:label="loc_cpn_CommitmentsAndContingenciesLineItems_8FF9E17A7C2503CE0542C7228864F4EB" xlink:type="locator"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CommitmentsAndContingenciesTable" xlink:label="loc_cpn_CommitmentsAndContingenciesTable_248339F4EFF2E4478545C72288638696" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_cpn_CommitmentsAndContingenciesLineItems_8FF9E17A7C2503CE0542C7228864F4EB" xlink:to="loc_cpn_CommitmentsAndContingenciesTable_248339F4EFF2E4478545C72288638696" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OperatingLeaseAssetsAxis" xlink:label="loc_cpn_OperatingLeaseAssetsAxis_26915AC49F5E3BAC83D7C7228863B8F0" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_CommitmentsAndContingenciesTable_248339F4EFF2E4478545C72288638696" xlink:to="loc_cpn_OperatingLeaseAssetsAxis_26915AC49F5E3BAC83D7C7228863B8F0" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OperatingLeaseAssetsDomain" xlink:label="loc_cpn_OperatingLeaseAssetsDomain_ED1B0C7641BBA4D1CED7C7228863E982_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_cpn_OperatingLeaseAssetsAxis_26915AC49F5E3BAC83D7C7228863B8F0" xlink:to="loc_cpn_OperatingLeaseAssetsDomain_ED1B0C7641BBA4D1CED7C7228863E982_default" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OperatingLeaseAssetsDomain" xlink:label="loc_cpn_OperatingLeaseAssetsDomain_ED1B0C7641BBA4D1CED7C7228863E982" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_cpn_OperatingLeaseAssetsAxis_26915AC49F5E3BAC83D7C7228863B8F0" xlink:to="loc_cpn_OperatingLeaseAssetsDomain_ED1B0C7641BBA4D1CED7C7228863E982" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ElectricGenerationEquipmentMember" xlink:label="loc_us-gaap_ElectricGenerationEquipmentMember_4DB41D3F602CF32082F2C7228863D8E8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_OperatingLeaseAssetsDomain_ED1B0C7641BBA4D1CED7C7228863E982" xlink:to="loc_us-gaap_ElectricGenerationEquipmentMember_4DB41D3F602CF32082F2C7228863D8E8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OfficeEquipmentMember" xlink:label="loc_us-gaap_OfficeEquipmentMember_3C63D492FB992A8C5961C722886359E4" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_OperatingLeaseAssetsDomain_ED1B0C7641BBA4D1CED7C7228863E982" xlink:to="loc_us-gaap_OfficeEquipmentMember_3C63D492FB992A8C5961C722886359E4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_ADFF590BF1BF3A15AE89C72288632C61" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_CommitmentsAndContingenciesTable_248339F4EFF2E4478545C72288638696" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_ADFF590BF1BF3A15AE89C72288632C61" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:label="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_E4A6D19F6E90B5FCFEC1C722886451CD_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_ADFF590BF1BF3A15AE89C72288632C61" xlink:to="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_E4A6D19F6E90B5FCFEC1C722886451CD_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:label="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_E4A6D19F6E90B5FCFEC1C722886451CD" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_ADFF590BF1BF3A15AE89C72288632C61" xlink:to="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_E4A6D19F6E90B5FCFEC1C722886451CD" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_LtsaMember" xlink:label="loc_cpn_LtsaMember_F477ABE40A670A7AAFD2C7228864B462" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_E4A6D19F6E90B5FCFEC1C722886451CD" xlink:to="loc_cpn_LtsaMember_F477ABE40A670A7AAFD2C7228864B462" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesRentExpenseNet" xlink:label="loc_us-gaap_OperatingLeasesRentExpenseNet_DD7FB2FB556B92E278B1C7228864B553" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommitmentsAndContingenciesLineItems_8FF9E17A7C2503CE0542C7228864F4EB" xlink:to="loc_us-gaap_OperatingLeasesRentExpenseNet_DD7FB2FB556B92E278B1C7228864B553" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_0487242D5C8F577ACA3CC7228864272E" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommitmentsAndContingenciesLineItems_8FF9E17A7C2503CE0542C7228864F4EB" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_0487242D5C8F577ACA3CC7228864272E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RoyaltyExpense" xlink:label="loc_us-gaap_RoyaltyExpense_8BA5A34DC1A2058E8EC6C72288645C7D" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommitmentsAndContingenciesLineItems_8FF9E17A7C2503CE0542C7228864F4EB" xlink:to="loc_us-gaap_RoyaltyExpense_8BA5A34DC1A2058E8EC6C72288645C7D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_2A2F596C1F7C2FDECE2DC7228864EB00" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommitmentsAndContingenciesLineItems_8FF9E17A7C2503CE0542C7228864F4EB" xlink:to="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_2A2F596C1F7C2FDECE2DC7228864EB00" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OutstandingClaimsRelatedToGuarantees" xlink:label="loc_cpn_OutstandingClaimsRelatedToGuarantees_EBF49E74351B29B4C5BAC72288647EDF" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommitmentsAndContingenciesLineItems_8FF9E17A7C2503CE0542C7228864F4EB" xlink:to="loc_cpn_OutstandingClaimsRelatedToGuarantees_EBF49E74351B29B4C5BAC72288647EDF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract_05DC39CB31680AA5BBDCC72288647925" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommitmentsAndContingenciesLineItems_8FF9E17A7C2503CE0542C7228864F4EB" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract_05DC39CB31680AA5BBDCC72288647925" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_0826A49892AD717BB8C5C7228864CA90" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract_05DC39CB31680AA5BBDCC72288647925" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_0826A49892AD717BB8C5C7228864CA90" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_TermofUnrecordedUnconditionalPurchaseObligationLowerLimit" xlink:label="loc_cpn_TermofUnrecordedUnconditionalPurchaseObligationLowerLimit_744E0644753D54D73D73C7228864CE12" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract_05DC39CB31680AA5BBDCC72288647925" xlink:to="loc_cpn_TermofUnrecordedUnconditionalPurchaseObligationLowerLimit_744E0644753D54D73D73C7228864CE12" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_TermofUnrecordedUnconditionalPurchaseObligationUpperLimit" xlink:label="loc_cpn_TermofUnrecordedUnconditionalPurchaseObligationUpperLimit_C9D1F9D8F00470D370CEC7228864CC7F" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract_05DC39CB31680AA5BBDCC72288647925" xlink:to="loc_cpn_TermofUnrecordedUnconditionalPurchaseObligationUpperLimit_C9D1F9D8F00470D370CEC7228864CC7F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_512F331A7D61087DDA4CC7228864F6FE" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommitmentsAndContingenciesLineItems_8FF9E17A7C2503CE0542C7228864F4EB" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_512F331A7D61087DDA4CC7228864F6FE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_24F7FFBA1DED86884171C7228864A1A1" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommitmentsAndContingenciesLineItems_8FF9E17A7C2503CE0542C7228864F4EB" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_24F7FFBA1DED86884171C7228864A1A1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_C4858E5B83FE5897807EC7228864DBFB" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommitmentsAndContingenciesLineItems_8FF9E17A7C2503CE0542C7228864F4EB" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_C4858E5B83FE5897807EC7228864DBFB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_4FFAA44CDAC357DDACAAC722886528B3" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommitmentsAndContingenciesLineItems_8FF9E17A7C2503CE0542C7228864F4EB" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_4FFAA44CDAC357DDACAAC722886528B3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_6DFABA4BBF472F1A6D5BC72288659A52" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommitmentsAndContingenciesLineItems_8FF9E17A7C2503CE0542C7228864F4EB" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_6DFABA4BBF472F1A6D5BC72288659A52" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_44B86E90067118E9B437C722886594C3" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommitmentsAndContingenciesLineItems_8FF9E17A7C2503CE0542C7228864F4EB" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_44B86E90067118E9B437C722886594C3" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/CommitmentsAndContingenciesScheduleOfGuarantorObligationsDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GuaranteeObligationsLineItems" xlink:label="loc_us-gaap_GuaranteeObligationsLineItems_A9E293513868C2515AFDC7228856989D" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfGuaranteeObligationsTable" xlink:label="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_A39CFB32904F5E8B3D58C7228855906F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_A9E293513868C2515AFDC7228856989D" xlink:to="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_A39CFB32904F5E8B3D58C7228855906F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GuaranteeObligationsByNatureAxis" xlink:label="loc_us-gaap_GuaranteeObligationsByNatureAxis_DCF772CFD2A8B3F4664FC7228855C151" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_A39CFB32904F5E8B3D58C7228855906F" xlink:to="loc_us-gaap_GuaranteeObligationsByNatureAxis_DCF772CFD2A8B3F4664FC7228855C151" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_71FCD2A193EAEDF5F833C72288554A37_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_DCF772CFD2A8B3F4664FC7228855C151" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_71FCD2A193EAEDF5F833C72288554A37_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_71FCD2A193EAEDF5F833C72288554A37" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_DCF772CFD2A8B3F4664FC7228855C151" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_71FCD2A193EAEDF5F833C72288554A37" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LoansPayableMember" xlink:label="loc_us-gaap_LoansPayableMember_BAD5A0B705597B014FC2C72288556037" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_71FCD2A193EAEDF5F833C72288554A37" xlink:to="loc_us-gaap_LoansPayableMember_BAD5A0B705597B014FC2C72288556037" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FinancialStandbyLetterOfCreditMember" xlink:label="loc_us-gaap_FinancialStandbyLetterOfCreditMember_D4B57F97B3F85624820AC72288559A09" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_71FCD2A193EAEDF5F833C72288554A37" xlink:to="loc_us-gaap_FinancialStandbyLetterOfCreditMember_D4B57F97B3F85624820AC72288559A09" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_SuretyBondsMember" xlink:label="loc_cpn_SuretyBondsMember_26FAD66B6E1B3CF75DBEC72288557C75" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_71FCD2A193EAEDF5F833C72288554A37" xlink:to="loc_cpn_SuretyBondsMember_26FAD66B6E1B3CF75DBEC72288557C75" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GuranteeObligationsTotalMember" xlink:label="loc_cpn_GuranteeObligationsTotalMember_C6AD343F9D03769FEE93C7228856DDA4" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_71FCD2A193EAEDF5F833C72288554A37" xlink:to="loc_cpn_GuranteeObligationsTotalMember_C6AD343F9D03769FEE93C7228856DDA4" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GuaranteeObligationsBalanceOnFirstAnniversary" xlink:label="loc_cpn_GuaranteeObligationsBalanceOnFirstAnniversary_462C5DCD0D4D5A122283C7228856DAAD" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_A9E293513868C2515AFDC7228856989D" xlink:to="loc_cpn_GuaranteeObligationsBalanceOnFirstAnniversary_462C5DCD0D4D5A122283C7228856DAAD" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GuaranteeObligationsBalanceOnSecondAnniversary" xlink:label="loc_cpn_GuaranteeObligationsBalanceOnSecondAnniversary_9182E843783AE59E2C73C7228856D782" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_A9E293513868C2515AFDC7228856989D" xlink:to="loc_cpn_GuaranteeObligationsBalanceOnSecondAnniversary_9182E843783AE59E2C73C7228856D782" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GuaranteeObligationsBalanceOnThirdAnniversary" xlink:label="loc_cpn_GuaranteeObligationsBalanceOnThirdAnniversary_259BC2671D678198F3BFC7228856D6D1" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_A9E293513868C2515AFDC7228856989D" xlink:to="loc_cpn_GuaranteeObligationsBalanceOnThirdAnniversary_259BC2671D678198F3BFC7228856D6D1" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GuaranteeObligationsBalanceOnFourthAnniversary" xlink:label="loc_cpn_GuaranteeObligationsBalanceOnFourthAnniversary_10DD74442843EC0CEB7AC72288568404" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_A9E293513868C2515AFDC7228856989D" xlink:to="loc_cpn_GuaranteeObligationsBalanceOnFourthAnniversary_10DD74442843EC0CEB7AC72288568404" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GuaranteeObligationsBalanceOnFifthAnniversary" xlink:label="loc_cpn_GuaranteeObligationsBalanceOnFifthAnniversary_6FB91D3AB9296CAD4463C72288566C2B" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_A9E293513868C2515AFDC7228856989D" xlink:to="loc_cpn_GuaranteeObligationsBalanceOnFifthAnniversary_6FB91D3AB9296CAD4463C72288566C2B" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GuaranteeObligationsDueAfterFiveYears" xlink:label="loc_cpn_GuaranteeObligationsDueAfterFiveYears_0DACE6D479730C098373C7228856ED46" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_A9E293513868C2515AFDC7228856989D" xlink:to="loc_cpn_GuaranteeObligationsDueAfterFiveYears_0DACE6D479730C098373C7228856ED46" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GuaranteeObligationsMaximumExposure" xlink:label="loc_us-gaap_GuaranteeObligationsMaximumExposure_D48B85C8995B8E1ECB8EC7228856EE35" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_A9E293513868C2515AFDC7228856989D" xlink:to="loc_us-gaap_GuaranteeObligationsMaximumExposure_D48B85C8995B8E1ECB8EC7228856EE35" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/CommitmentsAndContingenciesSchedulesOfFutureMinimumRentalPaymentsDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasedAssetsLineItems" xlink:label="loc_us-gaap_OperatingLeasedAssetsLineItems_B7FDDEE9FF1C5F09EB08C722885D5E46" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfOperatingLeasedAssetsTable" xlink:label="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_40B929759E430E660219C722885CCD0A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_B7FDDEE9FF1C5F09EB08C722885D5E46" xlink:to="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_40B929759E430E660219C722885CCD0A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="loc_us-gaap_ProductOrServiceAxis_0E73E40616BC8CAA71FAC722885CA05A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_40B929759E430E660219C722885CCD0A" xlink:to="loc_us-gaap_ProductOrServiceAxis_0E73E40616BC8CAA71FAC722885CA05A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_F1F0314378AB17A652D3C722885C0B29_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ProductOrServiceAxis_0E73E40616BC8CAA71FAC722885CA05A" xlink:to="loc_us-gaap_ProductsAndServicesDomain_F1F0314378AB17A652D3C722885C0B29_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_F1F0314378AB17A652D3C722885C0B29" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ProductOrServiceAxis_0E73E40616BC8CAA71FAC722885CA05A" xlink:to="loc_us-gaap_ProductsAndServicesDomain_F1F0314378AB17A652D3C722885C0B29" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NaturalGasReservesMember" xlink:label="loc_us-gaap_NaturalGasReservesMember_1EE3FE09CFDF933EE6BEC722885CE269" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_F1F0314378AB17A652D3C722885C0B29" xlink:to="loc_us-gaap_NaturalGasReservesMember_1EE3FE09CFDF933EE6BEC722885CE269" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OperatingLeaseAssetsAxis" xlink:label="loc_cpn_OperatingLeaseAssetsAxis_03AA6FBFC785260D4591C722885C7BB8" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_40B929759E430E660219C722885CCD0A" xlink:to="loc_cpn_OperatingLeaseAssetsAxis_03AA6FBFC785260D4591C722885C7BB8" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OperatingLeaseAssetsDomain" xlink:label="loc_cpn_OperatingLeaseAssetsDomain_03DD3C47161925FB39A2C722885DDF7C_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_cpn_OperatingLeaseAssetsAxis_03AA6FBFC785260D4591C722885C7BB8" xlink:to="loc_cpn_OperatingLeaseAssetsDomain_03DD3C47161925FB39A2C722885DDF7C_default" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OperatingLeaseAssetsDomain" xlink:label="loc_cpn_OperatingLeaseAssetsDomain_03DD3C47161925FB39A2C722885DDF7C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_cpn_OperatingLeaseAssetsAxis_03AA6FBFC785260D4591C722885C7BB8" xlink:to="loc_cpn_OperatingLeaseAssetsDomain_03DD3C47161925FB39A2C722885DDF7C" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_LandAndOtherOperatingLeasesMember" xlink:label="loc_cpn_LandAndOtherOperatingLeasesMember_C85400897D3ADBCDD4B3C722885DEF5C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_OperatingLeaseAssetsDomain_03DD3C47161925FB39A2C722885DDF7C" xlink:to="loc_cpn_LandAndOtherOperatingLeasesMember_C85400897D3ADBCDD4B3C722885DEF5C" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_KiacMember" xlink:label="loc_cpn_KiacMember_B784E159ADB3BB64BE20C722885D33B6" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_OperatingLeaseAssetsDomain_03DD3C47161925FB39A2C722885DDF7C" xlink:to="loc_cpn_KiacMember_B784E159ADB3BB64BE20C722885D33B6" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OpertingLeaseAssetsTotalMember" xlink:label="loc_cpn_OpertingLeaseAssetsTotalMember_50D0A7583BEB524DFC64C722885DA405" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_OperatingLeaseAssetsDomain_03DD3C47161925FB39A2C722885DDF7C" xlink:to="loc_cpn_OpertingLeaseAssetsTotalMember_50D0A7583BEB524DFC64C722885DA405" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_20EED2A46C0576BC48E1C722885D7A80" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_B7FDDEE9FF1C5F09EB08C722885D5E46" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_20EED2A46C0576BC48E1C722885D7A80" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_37AED59DCD98BC7B05A3C722885DD67D" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_B7FDDEE9FF1C5F09EB08C722885D5E46" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_37AED59DCD98BC7B05A3C722885DD67D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_B58E8FAA1F32BAA2BE03C722885DE533" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_B7FDDEE9FF1C5F09EB08C722885D5E46" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_B58E8FAA1F32BAA2BE03C722885DE533" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_2D2545DBB35669672D20C722885DCD97" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_B7FDDEE9FF1C5F09EB08C722885D5E46" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_2D2545DBB35669672D20C722885DCD97" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_EABD2789A5CA8754D5BDC722885D4B96" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_B7FDDEE9FF1C5F09EB08C722885D5E46" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_EABD2789A5CA8754D5BDC722885D4B96" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_6529017AA49329C571E0C722885DC092" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_B7FDDEE9FF1C5F09EB08C722885D5E46" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_6529017AA49329C571E0C722885DC092" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_921AD6338297830811D2C722885DB6FE" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_B7FDDEE9FF1C5F09EB08C722885D5E46" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_921AD6338297830811D2C722885DB6FE" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/CommitmentsAndContingenciesTables" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_59176D4FA57C830AB29FC72289E8CBB3" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_EAA0F218DF3FAA69309CC72289E8DEA9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_59176D4FA57C830AB29FC72289E8CBB3" xlink:to="loc_us-gaap_StatementTable_EAA0F218DF3FAA69309CC72289E8DEA9" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_80A13640ACB0A54D371DC72289E82835" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_EAA0F218DF3FAA69309CC72289E8DEA9" xlink:to="loc_us-gaap_StatementScenarioAxis_80A13640ACB0A54D371DC72289E82835" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_AEA5020236EDC2B88DC7C72289E89B33_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_80A13640ACB0A54D371DC72289E82835" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_AEA5020236EDC2B88DC7C72289E89B33_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_AEA5020236EDC2B88DC7C72289E89B33" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_80A13640ACB0A54D371DC72289E82835" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_AEA5020236EDC2B88DC7C72289E89B33" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_5FF10F9F853B78B9F928C72289E82A58" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_59176D4FA57C830AB29FC72289E8CBB3" xlink:to="loc_us-gaap_AssetsAbstract_5FF10F9F853B78B9F928C72289E82A58" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_A5BE8B6052880C2FE257C72289E90580" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_5FF10F9F853B78B9F928C72289E82A58" xlink:to="loc_us-gaap_AssetsCurrentAbstract_A5BE8B6052880C2FE257C72289E90580" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_E69A80FD8346405B818AC72289E97C09" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_A5BE8B6052880C2FE257C72289E90580" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_E69A80FD8346405B818AC72289E97C09" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_B3F919CD19A5BD49C52AC72289E9A920" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_A5BE8B6052880C2FE257C72289E90580" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_B3F919CD19A5BD49C52AC72289E9A920" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_A3FBA462EDF352DFA353C72289E9EB47" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_A5BE8B6052880C2FE257C72289E90580" xlink:to="loc_us-gaap_InventoryNet_A3FBA462EDF352DFA353C72289E9EB47" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_E415686A5733EB3E3BC5C72289E9637E" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_A5BE8B6052880C2FE257C72289E90580" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_E415686A5733EB3E3BC5C72289E9637E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_FB168881DE5201079BC4C72289E9DDDE" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_A5BE8B6052880C2FE257C72289E90580" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_FB168881DE5201079BC4C72289E9DDDE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedges" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedges_A26AD3E36B6792663BD2C72289E956E3" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_A5BE8B6052880C2FE257C72289E90580" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedges_A26AD3E36B6792663BD2C72289E956E3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_1DBBB83DEB1793F80809C72289E9206D" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_A5BE8B6052880C2FE257C72289E90580" xlink:to="loc_us-gaap_OtherAssetsCurrent_1DBBB83DEB1793F80809C72289E9206D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_A1066C34B1896F5F9090C72289E910F1" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_A5BE8B6052880C2FE257C72289E90580" xlink:to="loc_us-gaap_AssetsCurrent_A1066C34B1896F5F9090C72289E910F1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_9CBC6C153D3FC46F9152C72289E9B274" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_5FF10F9F853B78B9F928C72289E82A58" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_9CBC6C153D3FC46F9152C72289E9B274" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_4F17F42450A6D8094C9DC72289E9315F" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_5FF10F9F853B78B9F928C72289E82A58" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_4F17F42450A6D8094C9DC72289E9315F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_6BA15BBCD414CFF2C7BEC72289E97E5E" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_5FF10F9F853B78B9F928C72289E82A58" xlink:to="loc_us-gaap_EquityMethodInvestments_6BA15BBCD414CFF2C7BEC72289E97E5E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesNoncurrent" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgesNoncurrent_27524DAABF264D53583FC72289E93431" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_5FF10F9F853B78B9F928C72289E82A58" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgesNoncurrent_27524DAABF264D53583FC72289E93431" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup" xlink:label="loc_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup_94658CCC248D91D93DABC72289E9D540" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_5FF10F9F853B78B9F928C72289E82A58" xlink:to="loc_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup_94658CCC248D91D93DABC72289E9D540" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_500CD129CEEE94D887E2C72289E9D5CC" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_5FF10F9F853B78B9F928C72289E82A58" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_500CD129CEEE94D887E2C72289E9D5CC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_40B59B30882E2EDF6FC0C72289EA37C5" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_5FF10F9F853B78B9F928C72289E82A58" xlink:to="loc_us-gaap_Assets_40B59B30882E2EDF6FC0C72289EA37C5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_5CBC2715AC4306E6C8E9C72289EACBB1" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_59176D4FA57C830AB29FC72289E8CBB3" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_5CBC2715AC4306E6C8E9C72289EACBB1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_47C1A3A5C57392100258C72289EA32D0" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_5CBC2715AC4306E6C8E9C72289EACBB1" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_47C1A3A5C57392100258C72289EA32D0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_04FC09CC5E186C7ACF37C72289EAA76C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_47C1A3A5C57392100258C72289EA32D0" xlink:to="loc_us-gaap_AccountsPayableCurrent_04FC09CC5E186C7ACF37C72289EAA76C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="loc_us-gaap_InterestPayableCurrent_7B8F3731DF02F5A6B6D7C72289EA82D0" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_47C1A3A5C57392100258C72289EA32D0" xlink:to="loc_us-gaap_InterestPayableCurrent_7B8F3731DF02F5A6B6D7C72289EA82D0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_B4900595A1D358981CF1C72289EAE5A1" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_47C1A3A5C57392100258C72289EA32D0" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_B4900595A1D358981CF1C72289EAE5A1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesLiabilities" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilities_F9908E9FF38F745D8A6BC72289EAA931" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_47C1A3A5C57392100258C72289EA32D0" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilities_F9908E9FF38F745D8A6BC72289EAA931" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_D1AEC33A48FCBC1A1A70C72289EA4100" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_47C1A3A5C57392100258C72289EA32D0" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_D1AEC33A48FCBC1A1A70C72289EA4100" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_334FF2F85B3C27CD1906C72289EA1E71" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_47C1A3A5C57392100258C72289EA32D0" xlink:to="loc_us-gaap_LiabilitiesCurrent_334FF2F85B3C27CD1906C72289EA1E71" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_7B75F3E652AE3008DEB6C72289EA61A0" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_5CBC2715AC4306E6C8E9C72289EACBB1" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_7B75F3E652AE3008DEB6C72289EA61A0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent_01540C83ECED83AE1E12C72289EAB31C" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_5CBC2715AC4306E6C8E9C72289EACBB1" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent_01540C83ECED83AE1E12C72289EAB31C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_BE3DE5FFB3F593AA77B8C72289EAD8DE" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_5CBC2715AC4306E6C8E9C72289EACBB1" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_BE3DE5FFB3F593AA77B8C72289EAD8DE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_B7516DCE673535540600C72289EAD144" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_5CBC2715AC4306E6C8E9C72289EACBB1" xlink:to="loc_us-gaap_Liabilities_B7516DCE673535540600C72289EAD144" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_9DDAF5E0CCB52D593E04C72289EA635F" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_5CBC2715AC4306E6C8E9C72289EACBB1" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_9DDAF5E0CCB52D593E04C72289EA635F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_1C93C47823B73D06CDAAC72289EA216D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_9DDAF5E0CCB52D593E04C72289EA635F" xlink:to="loc_us-gaap_PreferredStockValue_1C93C47823B73D06CDAAC72289EA216D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_6870B2C663BEEC880F8FC72289EBE805" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_9DDAF5E0CCB52D593E04C72289EA635F" xlink:to="loc_us-gaap_CommonStockValue_6870B2C663BEEC880F8FC72289EBE805" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_589DE877B8AF9D56B6B5C72289EB15A2" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_9DDAF5E0CCB52D593E04C72289EA635F" xlink:to="loc_us-gaap_TreasuryStockValue_589DE877B8AF9D56B6B5C72289EB15A2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_2951FFB4DF853225E26CC72289EB463C" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_9DDAF5E0CCB52D593E04C72289EA635F" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_2951FFB4DF853225E26CC72289EB463C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_71F68F5E4942A4840F12C72289EB0E6A" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_9DDAF5E0CCB52D593E04C72289EA635F" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_71F68F5E4942A4840F12C72289EB0E6A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_46409C724C4A4A1AE779C72289EBB0CE" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_9DDAF5E0CCB52D593E04C72289EA635F" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_46409C724C4A4A1AE779C72289EBB0CE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_D4A628F695699E25D825C72289EB6F31" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_9DDAF5E0CCB52D593E04C72289EA635F" xlink:to="loc_us-gaap_StockholdersEquity_D4A628F695699E25D825C72289EB6F31" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest_3DEBAA54172A78841CC6C72289EBF491" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_9DDAF5E0CCB52D593E04C72289EA635F" xlink:to="loc_us-gaap_MinorityInterest_3DEBAA54172A78841CC6C72289EBF491" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_00C4CCCBF831AD663D58C72289EBA054" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_9DDAF5E0CCB52D593E04C72289EA635F" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_00C4CCCBF831AD663D58C72289EBA054" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_1FE33E16BF1CCB2E9549C72289EB91CE" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_5CBC2715AC4306E6C8E9C72289EACBB1" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_1FE33E16BF1CCB2E9549C72289EB91CE" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/ConsolidatedBalanceSheetsConsolidatedBalanceSheetsParentheticals" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_9ADAF6825C15D066421BC72289DEE7FD" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_2B498D15C6C607082770C72289DD7D87" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_9ADAF6825C15D066421BC72289DEE7FD" xlink:to="loc_us-gaap_StatementTable_2B498D15C6C607082770C72289DD7D87" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:label="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_CE0E83E3F1A65C0A4018C72289DE0369" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_2B498D15C6C607082770C72289DD7D87" xlink:to="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_CE0E83E3F1A65C0A4018C72289DE0369" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_1D4126A933F819E3A080C72289DE59E4_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_CE0E83E3F1A65C0A4018C72289DE0369" xlink:to="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_1D4126A933F819E3A080C72289DE59E4_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_1D4126A933F819E3A080C72289DE59E4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_CE0E83E3F1A65C0A4018C72289DE0369" xlink:to="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_1D4126A933F819E3A080C72289DE59E4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_EA791D306FFF489DF85DC72289DE7DF1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_1D4126A933F819E3A080C72289DE59E4" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_EA791D306FFF489DF85DC72289DE7DF1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_AE1066428B95AD410774C72289DEF051" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9ADAF6825C15D066421BC72289DEE7FD" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_AE1066428B95AD410774C72289DEF051" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_479B4EC221C5197CCE9DC72289DEA795" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9ADAF6825C15D066421BC72289DEE7FD" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_479B4EC221C5197CCE9DC72289DEA795" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_DB53837651D40C7FD1C5C72289DEF4EE" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9ADAF6825C15D066421BC72289DEE7FD" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_DB53837651D40C7FD1C5C72289DEF4EE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_CCF567B5F5CAB922FBEBC72289DEECF8" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9ADAF6825C15D066421BC72289DEE7FD" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_CCF567B5F5CAB922FBEBC72289DEECF8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_0EEAA3F0BCA9D69BF2EBC72289DEFFC8" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9ADAF6825C15D066421BC72289DEE7FD" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_0EEAA3F0BCA9D69BF2EBC72289DEFFC8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_0D601245978F970E5724C72289DE234B" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9ADAF6825C15D066421BC72289DEE7FD" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_0D601245978F970E5724C72289DE234B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_7466500E3872721DE421C72289DED0E6" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9ADAF6825C15D066421BC72289DEE7FD" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_7466500E3872721DE421C72289DED0E6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_C01061B5E150761F0D4AC72289DEE1ED" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9ADAF6825C15D066421BC72289DEE7FD" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_C01061B5E150761F0D4AC72289DEE1ED" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_50FD74461E9E38131B42C72289DEB2A7" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9ADAF6825C15D066421BC72289DEE7FD" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_50FD74461E9E38131B42C72289DEB2A7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_5A9162D2C8570C2F1BB0C72289DE5EB1" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9ADAF6825C15D066421BC72289DEE7FD" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_5A9162D2C8570C2F1BB0C72289DE5EB1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_9B26A1416F5012F23A2BC72289DE05C6" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9ADAF6825C15D066421BC72289DEE7FD" xlink:to="loc_us-gaap_PreferredStockSharesIssued_9B26A1416F5012F23A2BC72289DE05C6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_2AB83C089D30D55DA800C72289DFF8B7" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9ADAF6825C15D066421BC72289DEE7FD" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_2AB83C089D30D55DA800C72289DFF8B7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_A0E421309E1B6C75F47BC72289DF1460" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9ADAF6825C15D066421BC72289DEE7FD" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_A0E421309E1B6C75F47BC72289DF1460" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_9920EAEAEC75E0B1BE01C72289DFFCEC" xlink:type="locator"/>
<definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9ADAF6825C15D066421BC72289DEE7FD" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_9920EAEAEC75E0B1BE01C72289DFFCEC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_C0B76EFBDDD13A62A365C72289DF91A5" xlink:type="locator"/>
<definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9ADAF6825C15D066421BC72289DEE7FD" xlink:to="loc_us-gaap_CommonStockSharesIssued_C0B76EFBDDD13A62A365C72289DF91A5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_BF52B77A016663D7E957C72289DFDABE" xlink:type="locator"/>
<definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9ADAF6825C15D066421BC72289DEE7FD" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_BF52B77A016663D7E957C72289DFDABE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_us-gaap_TreasuryStockShares_7D6ACD9000469AFAD731C72289DF2469" xlink:type="locator"/>
<definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9ADAF6825C15D066421BC72289DEE7FD" xlink:to="loc_us-gaap_TreasuryStockShares_7D6ACD9000469AFAD731C72289DF2469" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_ECB90402815ED93CF6DBC72289CFFD62" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_5128007FA239DD7DA0ACC72289CFD684" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_ECB90402815ED93CF6DBC72289CFFD62" xlink:to="loc_us-gaap_StatementTable_5128007FA239DD7DA0ACC72289CFD684" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_23BCCA38021AF73A6EEFC72289CFB3A7" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_5128007FA239DD7DA0ACC72289CFD684" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_23BCCA38021AF73A6EEFC72289CFB3A7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_BD7AAA2E0AEB659EF631C72289CF87BE_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_23BCCA38021AF73A6EEFC72289CFB3A7" xlink:to="loc_us-gaap_EquityComponentDomain_BD7AAA2E0AEB659EF631C72289CF87BE_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_BD7AAA2E0AEB659EF631C72289CF87BE" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_23BCCA38021AF73A6EEFC72289CFB3A7" xlink:to="loc_us-gaap_EquityComponentDomain_BD7AAA2E0AEB659EF631C72289CF87BE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_4DDAC96609ACAA28284AC72289CF5473" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_BD7AAA2E0AEB659EF631C72289CF87BE" xlink:to="loc_us-gaap_TreasuryStockMember_4DDAC96609ACAA28284AC72289CF5473" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_2BCA7222B86FBAF7DC5CC72289CFBAB9" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_5128007FA239DD7DA0ACC72289CFD684" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_2BCA7222B86FBAF7DC5CC72289CFBAB9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_79A5B369A4C958872AABC72289CFEBA9_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_2BCA7222B86FBAF7DC5CC72289CFBAB9" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_79A5B369A4C958872AABC72289CFEBA9_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_79A5B369A4C958872AABC72289CFEBA9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_2BCA7222B86FBAF7DC5CC72289CFBAB9" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_79A5B369A4C958872AABC72289CFEBA9" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ForeRiverandGuadalupeEnergyCentersMember" xlink:label="loc_cpn_ForeRiverandGuadalupeEnergyCentersMember_FA4BD3785285E7457395C72289CF96D7" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_79A5B369A4C958872AABC72289CFEBA9" xlink:to="loc_cpn_ForeRiverandGuadalupeEnergyCentersMember_FA4BD3785285E7457395C72289CF96D7" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ChampionEnergyMember" xlink:label="loc_cpn_ChampionEnergyMember_B3C42A03CD5EE14E9886C72289CFC6BC" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_79A5B369A4C958872AABC72289CFEBA9" xlink:to="loc_cpn_ChampionEnergyMember_B3C42A03CD5EE14E9886C72289CFC6BC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_CDC553FF49B35E53D5F8C72289CFFF64" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ECB90402815ED93CF6DBC72289CFFD62" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_CDC553FF49B35E53D5F8C72289CFFF64" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_05EAB49659A15756D063C72289CF60D1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_CDC553FF49B35E53D5F8C72289CFFF64" xlink:to="loc_us-gaap_ProfitLoss_05EAB49659A15756D063C72289CF60D1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_30BF95EC5F5F4175399CC72289D017BF" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_CDC553FF49B35E53D5F8C72289CFFF64" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_30BF95EC5F5F4175399CC72289D017BF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_908F892E17B3D59FF6FDC72289D0085F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_30BF95EC5F5F4175399CC72289D017BF" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_908F892E17B3D59FF6FDC72289D0085F" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_NonCashGainsLossesOnExtinguishmentOfDebt" xlink:label="loc_cpn_NonCashGainsLossesOnExtinguishmentOfDebt_40974BCFF0E37FFCA68EC72289D0D3E6" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_30BF95EC5F5F4175399CC72289D017BF" xlink:to="loc_cpn_NonCashGainsLossesOnExtinguishmentOfDebt_40974BCFF0E37FFCA68EC72289D0D3E6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_297B31210061108A61C9C72289D09153" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_30BF95EC5F5F4175399CC72289D017BF" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_297B31210061108A61C9C72289D09153" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="loc_us-gaap_AssetImpairmentCharges_836D4BBD4B5D77F8BB62C72289D06D0F" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_30BF95EC5F5F4175399CC72289D017BF" xlink:to="loc_us-gaap_AssetImpairmentCharges_836D4BBD4B5D77F8BB62C72289D06D0F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets1" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_32C21B23860113A04958C72289D0E5E4" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_30BF95EC5F5F4175399CC72289D017BF" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_32C21B23860113A04958C72289D0E5E4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivatives" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_14AC2D82BFB923F5AC1FC72289D0481E" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_30BF95EC5F5F4175399CC72289D017BF" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_14AC2D82BFB923F5AC1FC72289D0481E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_8FB0637468ED22DB78B1C72289D04E2C" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_30BF95EC5F5F4175399CC72289D017BF" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_8FB0637468ED22DB78B1C72289D04E2C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:label="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_220818AA515EA493EA74C72289D05D04" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_30BF95EC5F5F4175399CC72289D017BF" xlink:to="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_220818AA515EA493EA74C72289D05D04" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_D30FC64A796E3B6240D8C72289D01E50" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_30BF95EC5F5F4175399CC72289D017BF" xlink:to="loc_us-gaap_ShareBasedCompensation_D30FC64A796E3B6240D8C72289D01E50" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_1A809399127043F4EF63C72289D086C2" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_30BF95EC5F5F4175399CC72289D017BF" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_1A809399127043F4EF63C72289D086C2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingAssetsAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_452426FA27D5627DE348C72289D09409" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_CDC553FF49B35E53D5F8C72289CFFF64" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_452426FA27D5627DE348C72289D09409" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_8C20CFFFAF71F10D6218C72289D08AEC" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_452426FA27D5627DE348C72289D09409" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_8C20CFFFAF71F10D6218C72289D08AEC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInDerivativeAssetsAndLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInDerivativeAssetsAndLiabilities_8BB3EDB02B30E22E2A54C72289D03CA1" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_452426FA27D5627DE348C72289D09409" xlink:to="loc_us-gaap_IncreaseDecreaseInDerivativeAssetsAndLiabilities_8BB3EDB02B30E22E2A54C72289D03CA1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_F03DE4D2A087793B2CB9C72289D0601C" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_452426FA27D5627DE348C72289D09409" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_F03DE4D2A087793B2CB9C72289D0601C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_229760B5B425940E7149C72289D02783" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_452426FA27D5627DE348C72289D09409" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_229760B5B425940E7149C72289D02783" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInOtherAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherAccountsPayable_2200CAA812E10551BF36C72289D0781E" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_452426FA27D5627DE348C72289D09409" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherAccountsPayable_2200CAA812E10551BF36C72289D0781E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_AEF47047EC4FD14DE078C72289D15205" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_452426FA27D5627DE348C72289D09409" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_AEF47047EC4FD14DE078C72289D15205" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_575EF3778ABBFECD72C1C72289D1E5F9" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ECB90402815ED93CF6DBC72289CFFD62" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_575EF3778ABBFECD72C1C72289D1E5F9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_0BC5DF2FAFDEA05E08C4C72289D14674" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_575EF3778ABBFECD72C1C72289D1E5F9" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_0BC5DF2FAFDEA05E08C4C72289D14674" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_2A99E337907A2AD3ED43C72289D1C17B" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_575EF3778ABBFECD72C1C72289D1E5F9" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_2A99E337907A2AD3ED43C72289D1C17B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_86047DC03A74A56D7845C72289D1675A" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_575EF3778ABBFECD72C1C72289D1E5F9" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_86047DC03A74A56D7845C72289D1675A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCash" xlink:label="loc_us-gaap_IncreaseDecreaseInRestrictedCash_6799ED61FA8EB8BBFC0CC72289D12287" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_575EF3778ABBFECD72C1C72289D1E5F9" xlink:to="loc_us-gaap_IncreaseDecreaseInRestrictedCash_6799ED61FA8EB8BBFC0CC72289D12287" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_3A0A6DAEB611CF8B6836C72289D15A7B" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_575EF3778ABBFECD72C1C72289D1E5F9" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_3A0A6DAEB611CF8B6836C72289D15A7B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_926CDD365E0BA68E6C12C72289D1EE60" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_575EF3778ABBFECD72C1C72289D1E5F9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_926CDD365E0BA68E6C12C72289D1EE60" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_82FD7B528D3DB74D0AE0C72289D15C4A" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ECB90402815ED93CF6DBC72289CFFD62" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_82FD7B528D3DB74D0AE0C72289D15C4A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSecuredDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSecuredDebt_4BD92AE1C0E7404B9878C72289D1383B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_82FD7B528D3DB74D0AE0C72289D15C4A" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSecuredDebt_4BD92AE1C0E7404B9878C72289D1383B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepaymentsOfSecuredDebt" xlink:label="loc_us-gaap_RepaymentsOfSecuredDebt_72E299DE7AC8D4F3B94EC72289D11788" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_82FD7B528D3DB74D0AE0C72289D15C4A" xlink:to="loc_us-gaap_RepaymentsOfSecuredDebt_72E299DE7AC8D4F3B94EC72289D11788" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromIssuanceOfUnsecuredDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_921B5D11AC8A0D4AD11BC72289D1E4BC" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_82FD7B528D3DB74D0AE0C72289D15C4A" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_921B5D11AC8A0D4AD11BC72289D1E4BC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_B2594F5DA06BC322058AC72289D1734E" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_82FD7B528D3DB74D0AE0C72289D15C4A" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_B2594F5DA06BC322058AC72289D1734E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepaymentsOfSeniorDebt" xlink:label="loc_us-gaap_RepaymentsOfSeniorDebt_B1A17E83BCAB549D8D86C72289D13B49" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_82FD7B528D3DB74D0AE0C72289D15C4A" xlink:to="loc_us-gaap_RepaymentsOfSeniorDebt_B1A17E83BCAB549D8D86C72289D13B49" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_F796C0B36B3DB42364B3C72289D1A172" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_82FD7B528D3DB74D0AE0C72289D15C4A" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_F796C0B36B3DB42364B3C72289D1A172" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepaymentsOfOtherLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfOtherLongTermDebt_F22A3D33142EB26CA32FC72289D178B5" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_82FD7B528D3DB74D0AE0C72289D15C4A" xlink:to="loc_us-gaap_RepaymentsOfOtherLongTermDebt_F22A3D33142EB26CA32FC72289D178B5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToMinorityShareholders" xlink:label="loc_us-gaap_PaymentsToMinorityShareholders_DF29284FC0104846D342C72289D15D5A" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_82FD7B528D3DB74D0AE0C72289D15C4A" xlink:to="loc_us-gaap_PaymentsToMinorityShareholders_DF29284FC0104846D342C72289D15D5A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsOfFinancingCosts" xlink:label="loc_us-gaap_PaymentsOfFinancingCosts_63D36AA2E036910342F4C72289D124BC" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_82FD7B528D3DB74D0AE0C72289D15C4A" xlink:to="loc_us-gaap_PaymentsOfFinancingCosts_63D36AA2E036910342F4C72289D124BC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_F564B0723FC06C9A0C27C72289D2E263" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_82FD7B528D3DB74D0AE0C72289D15C4A" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_F564B0723FC06C9A0C27C72289D2E263" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_2DF3B1EA47FB963A2D55C72289D241E6" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_82FD7B528D3DB74D0AE0C72289D15C4A" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_2DF3B1EA47FB963A2D55C72289D241E6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_01140FCC12E574D9D7FDC72289D27D14" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_82FD7B528D3DB74D0AE0C72289D15C4A" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_01140FCC12E574D9D7FDC72289D27D14" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_3F679A3CB67F602CB049C72289D23F5E" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_82FD7B528D3DB74D0AE0C72289D15C4A" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_3F679A3CB67F602CB049C72289D23F5E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_73D41AB3E33933755B6CC72289D2A65E" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ECB90402815ED93CF6DBC72289CFFD62" xlink:to="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_73D41AB3E33933755B6CC72289D2A65E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_3D9F6CA87F6E2D793FC1C72289D27D7B" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ECB90402815ED93CF6DBC72289CFFD62" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_3D9F6CA87F6E2D793FC1C72289D27D7B" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CashPaidDuringPeriodFor" xlink:label="loc_cpn_CashPaidDuringPeriodFor_6BD4405DE792F0FA1176C72289D2ABA5" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ECB90402815ED93CF6DBC72289CFFD62" xlink:to="loc_cpn_CashPaidDuringPeriodFor_6BD4405DE792F0FA1176C72289D2ABA5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="loc_us-gaap_InterestPaidNet_650B3C0859A51DDF8D46C72289D21611" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CashPaidDuringPeriodFor_6BD4405DE792F0FA1176C72289D2ABA5" xlink:to="loc_us-gaap_InterestPaidNet_650B3C0859A51DDF8D46C72289D21611" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxesPaid" xlink:label="loc_us-gaap_IncomeTaxesPaid_831DEE8F7A6EC43A0E1DC72289D2FE31" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CashPaidDuringPeriodFor_6BD4405DE792F0FA1176C72289D2ABA5" xlink:to="loc_us-gaap_IncomeTaxesPaid_831DEE8F7A6EC43A0E1DC72289D2FE31" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_3B284BAE6780853F3ED4C72289D2C514" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ECB90402815ED93CF6DBC72289CFFD62" xlink:to="loc_us-gaap_SupplementalCashFlowInformationAbstract_3B284BAE6780853F3ED4C72289D2C514" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:label="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_261DB06B7C5242549111C72289D235A2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_3B284BAE6780853F3ED4C72289D2C514" xlink:to="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_261DB06B7C5242549111C72289D235A2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CapitalLeaseObligationsIncurred" xlink:label="loc_us-gaap_CapitalLeaseObligationsIncurred_77EA32ADF904A122D066C72289D29AA0" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_3B284BAE6780853F3ED4C72289D2C514" xlink:to="loc_us-gaap_CapitalLeaseObligationsIncurred_77EA32ADF904A122D066C72289D29AA0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockRetiredCostMethodAmount" xlink:label="loc_us-gaap_TreasuryStockRetiredCostMethodAmount_7BCC7D725231F33E7C3DC72289D27F84" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_3B284BAE6780853F3ED4C72289D2C514" xlink:to="loc_us-gaap_TreasuryStockRetiredCostMethodAmount_7BCC7D725231F33E7C3DC72289D27F84" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_E996632D94218626AC58C72289F00239" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_2DA8A4A608D2EA9A3ECDC72289F09666" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_E996632D94218626AC58C72289F00239" xlink:to="loc_us-gaap_StatementTable_2DA8A4A608D2EA9A3ECDC72289F09666" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_4A7C4EB21E745AC4BEFDC72289F0C699" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_2DA8A4A608D2EA9A3ECDC72289F09666" xlink:to="loc_us-gaap_StatementScenarioAxis_4A7C4EB21E745AC4BEFDC72289F0C699" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_403BC749FA693A64E381C72289F0892C_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_4A7C4EB21E745AC4BEFDC72289F0C699" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_403BC749FA693A64E381C72289F0892C_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_403BC749FA693A64E381C72289F0892C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_4A7C4EB21E745AC4BEFDC72289F0C699" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_403BC749FA693A64E381C72289F0892C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_90762491EE3545B1AD6BC72289F0471C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_E996632D94218626AC58C72289F00239" xlink:to="loc_us-gaap_ProfitLoss_90762491EE3545B1AD6BC72289F0471C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashFlowHedgesDerivativeInstrumentsAtFairValueNetAbstract" xlink:label="loc_us-gaap_CashFlowHedgesDerivativeInstrumentsAtFairValueNetAbstract_3D37D253D1B6D7FABB35C72289F0044F" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_E996632D94218626AC58C72289F00239" xlink:to="loc_us-gaap_CashFlowHedgesDerivativeInstrumentsAtFairValueNetAbstract_3D37D253D1B6D7FABB35C72289F0044F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_0AE9C4E82AFE991C64E0C72289F00D76" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowHedgesDerivativeInstrumentsAtFairValueNetAbstract_3D37D253D1B6D7FABB35C72289F0044F" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_0AE9C4E82AFE991C64E0C72289F00D76" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_927112D60D9849FE5CB5C72289F15B47" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowHedgesDerivativeInstrumentsAtFairValueNetAbstract_3D37D253D1B6D7FABB35C72289F0044F" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_927112D60D9849FE5CB5C72289F15B47" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_9900C2A67146F3B2E5E2C72289F12D59" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_E996632D94218626AC58C72289F00239" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_9900C2A67146F3B2E5E2C72289F12D59" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax_8CAF3D33EDEAE3DD0E99C72289F1F664" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_E996632D94218626AC58C72289F00239" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax_8CAF3D33EDEAE3DD0E99C72289F1F664" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_6B72B90D6A07C1132991C72289F1CFC9" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_E996632D94218626AC58C72289F00239" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTax_6B72B90D6A07C1132991C72289F1CFC9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_D62CA974EA0B953CBBBAC72289F1CE7A" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_E996632D94218626AC58C72289F00239" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_D62CA974EA0B953CBBBAC72289F1CE7A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_46BAE44756BEF006BC07C72289F1F380" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_E996632D94218626AC58C72289F00239" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_46BAE44756BEF006BC07C72289F1F380" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_17375726AB47C04F4146C72289F1EEC7" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_E996632D94218626AC58C72289F00239" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_17375726AB47C04F4146C72289F1EEC7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_E682E0D9352EF9EF390AC72289F15B67" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_E996632D94218626AC58C72289F00239" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_E682E0D9352EF9EF390AC72289F15B67" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/ConsolidatedStatementsOfOperations" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_8C5F87D288BCD5743174C72289F9A1F8" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_1A92F3BB8FCB2AC0665DC72289F97807" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_8C5F87D288BCD5743174C72289F9A1F8" xlink:to="loc_us-gaap_StatementTable_1A92F3BB8FCB2AC0665DC72289F97807" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_6AF7F72184FB9E12031FC72289F902F7" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_1A92F3BB8FCB2AC0665DC72289F97807" xlink:to="loc_us-gaap_StatementScenarioAxis_6AF7F72184FB9E12031FC72289F902F7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_722DFDB7793862FEDE93C72289F94A8D_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_6AF7F72184FB9E12031FC72289F902F7" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_722DFDB7793862FEDE93C72289F94A8D_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_722DFDB7793862FEDE93C72289F94A8D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_6AF7F72184FB9E12031FC72289F902F7" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_722DFDB7793862FEDE93C72289F94A8D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="loc_us-gaap_RevenuesAbstract_3E8A76FEF729DEE92FF3C72289F9F84F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8C5F87D288BCD5743174C72289F9A1F8" xlink:to="loc_us-gaap_RevenuesAbstract_3E8A76FEF729DEE92FF3C72289F9F84F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SalesRevenueFromEnergyCommoditiesAndServices" xlink:label="loc_us-gaap_SalesRevenueFromEnergyCommoditiesAndServices_B934FD0B3766C5000F53C72289FADAC7" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_3E8A76FEF729DEE92FF3C72289F9F84F" xlink:to="loc_us-gaap_SalesRevenueFromEnergyCommoditiesAndServices_B934FD0B3766C5000F53C72289FADAC7" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_MarktoMarketGainLossonDerivativesincludedinOperatingRevenues" xlink:label="loc_cpn_MarktoMarketGainLossonDerivativesincludedinOperatingRevenues_A32BED0E0E9F6D5F9F29C72289FA7F2F" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_3E8A76FEF729DEE92FF3C72289F9F84F" xlink:to="loc_cpn_MarktoMarketGainLossonDerivativesincludedinOperatingRevenues_A32BED0E0E9F6D5F9F29C72289FA7F2F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherOperatingIncome" xlink:label="loc_us-gaap_OtherOperatingIncome_D36FB4E9694BDD70B7E6C72289FAC740" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_3E8A76FEF729DEE92FF3C72289F9F84F" xlink:to="loc_us-gaap_OtherOperatingIncome_D36FB4E9694BDD70B7E6C72289FAC740" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_B16697C1BA38CF7D5B94C72289FA58D6" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_3E8A76FEF729DEE92FF3C72289F9F84F" xlink:to="loc_us-gaap_Revenues_B16697C1BA38CF7D5B94C72289FA58D6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfRevenueAbstract" xlink:label="loc_us-gaap_CostOfRevenueAbstract_CD5BC2C4D657670BECE9C72289FA2768" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8C5F87D288BCD5743174C72289F9A1F8" xlink:to="loc_us-gaap_CostOfRevenueAbstract_CD5BC2C4D657670BECE9C72289FA2768" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfGoodsAndServicesEnergyCommoditiesAndServices" xlink:label="loc_us-gaap_CostOfGoodsAndServicesEnergyCommoditiesAndServices_8BEB0336FF74CBACE94CC72289FA907F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_CD5BC2C4D657670BECE9C72289FA2768" xlink:to="loc_us-gaap_CostOfGoodsAndServicesEnergyCommoditiesAndServices_8BEB0336FF74CBACE94CC72289FA907F" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_MarktoMarketGainLossonDerivativesIncludedinFuelandPurchasedEnergyExpense" xlink:label="loc_cpn_MarktoMarketGainLossonDerivativesIncludedinFuelandPurchasedEnergyExpense_601AA504B6DAC57FD93EC72289FAB1BF" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_CD5BC2C4D657670BECE9C72289FA2768" xlink:to="loc_cpn_MarktoMarketGainLossonDerivativesIncludedinFuelandPurchasedEnergyExpense_601AA504B6DAC57FD93EC72289FAB1BF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="loc_us-gaap_CostOfRevenue_422FD6DA78C0335103D1C72289FA4E7A" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_CD5BC2C4D657670BECE9C72289FA2768" xlink:to="loc_us-gaap_CostOfRevenue_422FD6DA78C0335103D1C72289FA4E7A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingCostsAndExpenses" xlink:label="loc_us-gaap_OperatingCostsAndExpenses_28F4131FB9109A177D18C72289FA8EE2" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_CD5BC2C4D657670BECE9C72289FA2768" xlink:to="loc_us-gaap_OperatingCostsAndExpenses_28F4131FB9109A177D18C72289FA8EE2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_3D55B603A14CF30E9C38C72289FABDFC" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_CD5BC2C4D657670BECE9C72289FA2768" xlink:to="loc_us-gaap_DepreciationAndAmortization_3D55B603A14CF30E9C38C72289FABDFC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_17C0FD3754C468B8507EC72289FA3BB3" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_CD5BC2C4D657670BECE9C72289FA2768" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_17C0FD3754C468B8507EC72289FA3BB3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_94CE933AC3410FA1D589C72289FA347B" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_CD5BC2C4D657670BECE9C72289FA2768" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_94CE933AC3410FA1D589C72289FA347B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_132BC5EB14D2211A6CACC72289FAB0A7" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_CD5BC2C4D657670BECE9C72289FA2768" xlink:to="loc_us-gaap_CostsAndExpenses_132BC5EB14D2211A6CACC72289FAB0A7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="loc_us-gaap_AssetImpairmentCharges_EC0BFBCBC4ADE6FC4C8CC72289FA5507" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8C5F87D288BCD5743174C72289F9A1F8" xlink:to="loc_us-gaap_AssetImpairmentCharges_EC0BFBCBC4ADE6FC4C8CC72289FA5507" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets1" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_B3E0D4DDD74B12D3D246C72289FACDA4" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8C5F87D288BCD5743174C72289F9A1F8" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_B3E0D4DDD74B12D3D246C72289FACDA4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_1577B8D29D1C25488EE9C72289FA59DC" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8C5F87D288BCD5743174C72289F9A1F8" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_1577B8D29D1C25488EE9C72289FA59DC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_5D981F0C77E88020E7EDC72289FAABEF" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8C5F87D288BCD5743174C72289F9A1F8" xlink:to="loc_us-gaap_OperatingIncomeLoss_5D981F0C77E88020E7EDC72289FAABEF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_9D36682501C59FA9B76FC72289FB8107" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8C5F87D288BCD5743174C72289F9A1F8" xlink:to="loc_us-gaap_InterestExpense_9D36682501C59FA9B76FC72289FB8107" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_us-gaap_InvestmentIncomeInterest_F083EB7D8CD15D09A85AC72289FBD5DF" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8C5F87D288BCD5743174C72289F9A1F8" xlink:to="loc_us-gaap_InvestmentIncomeInterest_F083EB7D8CD15D09A85AC72289FBD5DF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_8722FE22153729E595D3C72289FB2E89" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8C5F87D288BCD5743174C72289F9A1F8" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_8722FE22153729E595D3C72289FB2E89" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_6751A263CB8C0FBB7780C72289FBB669" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8C5F87D288BCD5743174C72289F9A1F8" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_6751A263CB8C0FBB7780C72289FBB669" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_9DE990B37B043A18A387C72289FB620D" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8C5F87D288BCD5743174C72289F9A1F8" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_9DE990B37B043A18A387C72289FB620D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_A67B1E6DC16C3D9DB643C72289FBB121" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8C5F87D288BCD5743174C72289F9A1F8" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_A67B1E6DC16C3D9DB643C72289FBB121" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_FB0125F1BF4796E4DE25C72289FB3F63" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8C5F87D288BCD5743174C72289F9A1F8" xlink:to="loc_us-gaap_ProfitLoss_FB0125F1BF4796E4DE25C72289FB3F63" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_F57D3E13BB83EDC42698C72289FBF8C4" xlink:type="locator"/>
<definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8C5F87D288BCD5743174C72289F9A1F8" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_F57D3E13BB83EDC42698C72289FBF8C4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_A08D958DD59C42456275C72289FBF522" xlink:type="locator"/>
<definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8C5F87D288BCD5743174C72289F9A1F8" xlink:to="loc_us-gaap_NetIncomeLoss_A08D958DD59C42456275C72289FBF522" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_AB71255FF7B42238DE1CC72289FBA2C3" xlink:type="locator"/>
<definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8C5F87D288BCD5743174C72289F9A1F8" xlink:to="loc_us-gaap_EarningsPerShareBasicAbstract_AB71255FF7B42238DE1CC72289FBA2C3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_4CBD01049DCF813585F2C72289FB1997" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_AB71255FF7B42238DE1CC72289FBA2C3" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_4CBD01049DCF813585F2C72289FB1997" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_2A3A1D4D37DDB148EFCAC72289FB0D20" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_AB71255FF7B42238DE1CC72289FBA2C3" xlink:to="loc_us-gaap_EarningsPerShareBasic_2A3A1D4D37DDB148EFCAC72289FB0D20" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareDilutedAbstract_4193D7D0AE3D4D25469BC72289FB6A4A" xlink:type="locator"/>
<definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8C5F87D288BCD5743174C72289F9A1F8" xlink:to="loc_us-gaap_EarningsPerShareDilutedAbstract_4193D7D0AE3D4D25469BC72289FB6A4A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_0078421E3A6CEDE4C79BC72289FB9A2E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_4193D7D0AE3D4D25469BC72289FB6A4A" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_0078421E3A6CEDE4C79BC72289FB9A2E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_55B0FB77C8BC31355356C72289FB3C4A" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_4193D7D0AE3D4D25469BC72289FB6A4A" xlink:to="loc_us-gaap_EarningsPerShareDiluted_55B0FB77C8BC31355356C72289FB3C4A" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/ConsolidatedStatementsOfStockholdersEquity" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_FD4C6F01CF100EF29F87C72289D86D61" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_A2A8157C7C3E98BA1997C72289D722F7" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_FD4C6F01CF100EF29F87C72289D86D61" xlink:to="loc_us-gaap_StatementTable_A2A8157C7C3E98BA1997C72289D722F7" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_AB6BDC2B138968C3CF02C72289D7B4FE" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_A2A8157C7C3E98BA1997C72289D722F7" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_AB6BDC2B138968C3CF02C72289D7B4FE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_6001FE654636BE591107C72289D7AF78_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_AB6BDC2B138968C3CF02C72289D7B4FE" xlink:to="loc_us-gaap_EquityComponentDomain_6001FE654636BE591107C72289D7AF78_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_6001FE654636BE591107C72289D7AF78" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_AB6BDC2B138968C3CF02C72289D7B4FE" xlink:to="loc_us-gaap_EquityComponentDomain_6001FE654636BE591107C72289D7AF78" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_6169A26634FD70851D4AC72289D77E4E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_6001FE654636BE591107C72289D7AF78" xlink:to="loc_us-gaap_CommonStockMember_6169A26634FD70851D4AC72289D77E4E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_6ABA789E6945467B4B54C72289D7A1D1" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_6001FE654636BE591107C72289D7AF78" xlink:to="loc_us-gaap_TreasuryStockMember_6ABA789E6945467B4B54C72289D7A1D1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_3F6FC84A5CD115E564F9C72289D76330" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_6001FE654636BE591107C72289D7AF78" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_3F6FC84A5CD115E564F9C72289D76330" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_A780A4C1EB51FF3E4416C72289D796C2" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_6001FE654636BE591107C72289D7AF78" xlink:to="loc_us-gaap_RetainedEarningsMember_A780A4C1EB51FF3E4416C72289D796C2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_FF3D27AFF2C35EDE27D6C72289D860F9" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_6001FE654636BE591107C72289D7AF78" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_FF3D27AFF2C35EDE27D6C72289D860F9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_22101FEF0AB169BFD9BDC72289D8CD70" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_6001FE654636BE591107C72289D7AF78" xlink:to="loc_us-gaap_NoncontrollingInterestMember_22101FEF0AB169BFD9BDC72289D8CD70" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_69BA144B5AFC772DE3C2C72289D8175B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_FD4C6F01CF100EF29F87C72289D86D61" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_69BA144B5AFC772DE3C2C72289D8175B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_48E6417873BCE42F54DBC72289D8778C" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_FD4C6F01CF100EF29F87C72289D86D61" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_48E6417873BCE42F54DBC72289D8778C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockRetiredCostMethodAmount" xlink:label="loc_us-gaap_TreasuryStockRetiredCostMethodAmount_C2A996AA17BED1256C45C72289D8D4E7" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_FD4C6F01CF100EF29F87C72289D86D61" xlink:to="loc_us-gaap_TreasuryStockRetiredCostMethodAmount_C2A996AA17BED1256C45C72289D8D4E7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_E427C980912909B07A87C72289D80BFA" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_FD4C6F01CF100EF29F87C72289D86D61" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_E427C980912909B07A87C72289D80BFA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_10D11F4B3C7A995F00EBC72289D85A04" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_FD4C6F01CF100EF29F87C72289D86D61" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_10D11F4B3C7A995F00EBC72289D85A04" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToMinorityShareholders" xlink:label="loc_us-gaap_PaymentsToMinorityShareholders_51A864C5F46954723452C72289D8903D" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_FD4C6F01CF100EF29F87C72289D86D61" xlink:to="loc_us-gaap_PaymentsToMinorityShareholders_51A864C5F46954723452C72289D8903D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquityOther" xlink:label="loc_us-gaap_StockholdersEquityOther_62A224EEF4604DF23792C72289D89C38" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_FD4C6F01CF100EF29F87C72289D86D61" xlink:to="loc_us-gaap_StockholdersEquityOther_62A224EEF4604DF23792C72289D89C38" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_A9E73B344B1AC557BA8BC72289D82D49" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_FD4C6F01CF100EF29F87C72289D86D61" xlink:to="loc_us-gaap_ProfitLoss_A9E73B344B1AC557BA8BC72289D82D49" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_7504BAE71AAF00D5CC35C72289D8BE0B" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_FD4C6F01CF100EF29F87C72289D86D61" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_7504BAE71AAF00D5CC35C72289D8BE0B" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/Debt" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/DebtAnnualDebtMarturitiesDetails" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/DebtCapitalLeaseObligationsDetails" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/DebtCcfcTermLoansDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_26F373D6CAF73F07D2EDC7228958203D" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_C7D362FE5C8920048B11C7228958EE36" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_26F373D6CAF73F07D2EDC7228958203D" xlink:to="loc_us-gaap_DebtInstrumentTable_C7D362FE5C8920048B11C7228958EE36" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_C7758B454660E5BAAC30C72289584DF8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_C7D362FE5C8920048B11C7228958EE36" xlink:to="loc_us-gaap_VariableRateAxis_C7758B454660E5BAAC30C72289584DF8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_10893FDC28784C2F54CAC7228958E574_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_C7758B454660E5BAAC30C72289584DF8" xlink:to="loc_us-gaap_VariableRateDomain_10893FDC28784C2F54CAC7228958E574_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_10893FDC28784C2F54CAC7228958E574" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_C7758B454660E5BAAC30C72289584DF8" xlink:to="loc_us-gaap_VariableRateDomain_10893FDC28784C2F54CAC7228958E574" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_FederalFundsEffectiveRateMember" xlink:label="loc_cpn_FederalFundsEffectiveRateMember_0D708445F6B9B0B1B26BC72289583C27" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_10893FDC28784C2F54CAC7228958E574" xlink:to="loc_cpn_FederalFundsEffectiveRateMember_0D708445F6B9B0B1B26BC72289583C27" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_PrimeRateOrTheEurodollarRateForaOneMonthInterestPeriodMember" xlink:label="loc_cpn_PrimeRateOrTheEurodollarRateForaOneMonthInterestPeriodMember_A6BF82ED13F07C3D5329C7228958B60D" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_10893FDC28784C2F54CAC7228958E574" xlink:to="loc_cpn_PrimeRateOrTheEurodollarRateForaOneMonthInterestPeriodMember_A6BF82ED13F07C3D5329C7228958B60D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_FE9924518E6831D576F1C7228958DD46" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_10893FDC28784C2F54CAC7228958E574" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_FE9924518E6831D576F1C7228958DD46" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_778FBE720B1BE01FC1D9C7228958804D" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_C7D362FE5C8920048B11C7228958EE36" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_778FBE720B1BE01FC1D9C7228958804D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_4FC2F647B726E5E655ADC7228958B999_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_778FBE720B1BE01FC1D9C7228958804D" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_4FC2F647B726E5E655ADC7228958B999_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_4FC2F647B726E5E655ADC7228958B999" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_778FBE720B1BE01FC1D9C7228958804D" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_4FC2F647B726E5E655ADC7228958B999" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_IncrementalCCFCTermLoansMember" xlink:label="loc_cpn_IncrementalCCFCTermLoansMember_D8857B158DB6415F6F49C7228958AC75" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_4FC2F647B726E5E655ADC7228958B999" xlink:to="loc_cpn_IncrementalCCFCTermLoansMember_D8857B158DB6415F6F49C7228958AC75" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_A152241ED75930792A3EC72289584D79" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_4FC2F647B726E5E655ADC7228958B999" xlink:to="loc_us-gaap_SecuredDebtMember_A152241ED75930792A3EC72289584D79" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CCFCTermLoanB1Member" xlink:label="loc_cpn_CCFCTermLoanB1Member_3D867B3487CC1672F40BC722895889F6" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_4FC2F647B726E5E655ADC7228958B999" xlink:to="loc_cpn_CCFCTermLoanB1Member_3D867B3487CC1672F40BC722895889F6" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CCFCTermLoanB2Member" xlink:label="loc_cpn_CCFCTermLoanB2Member_876CEB52E44C4B0B530FC722895853EA" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_4FC2F647B726E5E655ADC7228958B999" xlink:to="loc_cpn_CCFCTermLoanB2Member_876CEB52E44C4B0B530FC722895853EA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_BD57F504B2929660C3D9C72289586B3A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_26F373D6CAF73F07D2EDC7228958203D" xlink:to="loc_us-gaap_LongTermDebt_BD57F504B2929660C3D9C72289586B3A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_A6E2CE89EDB4EDE2AF63C7228958EF99" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_26F373D6CAF73F07D2EDC7228958203D" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_A6E2CE89EDB4EDE2AF63C7228958EF99" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_3D84FAEA1F2FDD1C922AC722895965BD" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_26F373D6CAF73F07D2EDC7228958203D" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_3D84FAEA1F2FDD1C922AC722895965BD" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_TermLoanPeriod" xlink:label="loc_cpn_TermLoanPeriod_F0B8120ADE7232DD3E70C72289595401" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_26F373D6CAF73F07D2EDC7228958203D" xlink:to="loc_cpn_TermLoanPeriod_F0B8120ADE7232DD3E70C72289595401" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_A1B0ADD1EDE1BC018531C7228959BDDA" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_26F373D6CAF73F07D2EDC7228958203D" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_A1B0ADD1EDE1BC018531C7228959BDDA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_2B7754D93B240620BA83C72289598412" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_26F373D6CAF73F07D2EDC7228958203D" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_2B7754D93B240620BA83C72289598412" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_LongTermDebtnetofOriginalIssuanceDisount" xlink:label="loc_cpn_LongTermDebtnetofOriginalIssuanceDisount_EA27219E3859F1CAEB71C72289597C44" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_26F373D6CAF73F07D2EDC7228958203D" xlink:to="loc_cpn_LongTermDebtnetofOriginalIssuanceDisount_EA27219E3859F1CAEB71C72289597C44" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_PercentageOfPrincipalAmountOfTermLoanToBePaidQuarterly" xlink:label="loc_cpn_PercentageOfPrincipalAmountOfTermLoanToBePaidQuarterly_2F0A9928DB44DB518763C7228959833F" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_26F373D6CAF73F07D2EDC7228958203D" xlink:to="loc_cpn_PercentageOfPrincipalAmountOfTermLoanToBePaidQuarterly_2F0A9928DB44DB518763C7228959833F" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/DebtCorporateRevolvingFacilityAndOtherLettersOfCreditFacilitiesDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_0B39DA946261DD5E8738C722894A3DC9" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_872AE702EEFC9721F075C72289496351" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_0B39DA946261DD5E8738C722894A3DC9" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_872AE702EEFC9721F075C72289496351" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_A4ED71957825725B0C87C722894989EB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_872AE702EEFC9721F075C72289496351" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_A4ED71957825725B0C87C722894989EB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_EB9E77EA90F4E24B485DC72289495524_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_A4ED71957825725B0C87C722894989EB" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_EB9E77EA90F4E24B485DC72289495524_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_EB9E77EA90F4E24B485DC72289495524" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_A4ED71957825725B0C87C722894989EB" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_EB9E77EA90F4E24B485DC72289495524" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_454BEAAC9B86919EB9C6C7228949D29A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_EB9E77EA90F4E24B485DC72289495524" xlink:to="loc_us-gaap_SubsequentEventMember_454BEAAC9B86919EB9C6C7228949D29A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_DDD0C9A75A5822A9DC3FC722894972E5" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_872AE702EEFC9721F075C72289496351" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_DDD0C9A75A5822A9DC3FC722894972E5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_3796ED89D55398322D91C7228949B792_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_DDD0C9A75A5822A9DC3FC722894972E5" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_3796ED89D55398322D91C7228949B792_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_3796ED89D55398322D91C7228949B792" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_DDD0C9A75A5822A9DC3FC722894972E5" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_3796ED89D55398322D91C7228949B792" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CorporateRevolvingFacilityMember" xlink:label="loc_cpn_CorporateRevolvingFacilityMember_A25360F6612B016F6514C722894ADC76" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_3796ED89D55398322D91C7228949B792" xlink:to="loc_cpn_CorporateRevolvingFacilityMember_A25360F6612B016F6514C722894ADC76" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CdhMember" xlink:label="loc_cpn_CdhMember_06C1C2C493613CE228E8C722894A0674" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_3796ED89D55398322D91C7228949B792" xlink:to="loc_cpn_CdhMember_06C1C2C493613CE228E8C722894A0674" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_VariousProjectFinancingFacilitiesMember" xlink:label="loc_cpn_VariousProjectFinancingFacilitiesMember_1F8688DE597643742B63C722894A6894" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_3796ED89D55398322D91C7228949B792" xlink:to="loc_cpn_VariousProjectFinancingFacilitiesMember_1F8688DE597643742B63C722894A6894" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_Futurelineofcreditfacilitymaximumborrowingcapacity" xlink:label="loc_cpn_Futurelineofcreditfacilitymaximumborrowingcapacity_FE84D20B8F26604071BEC722894AF380" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_0B39DA946261DD5E8738C722894A3DC9" xlink:to="loc_cpn_Futurelineofcreditfacilitymaximumborrowingcapacity_FE84D20B8F26604071BEC722894AF380" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_7277043089184D224032C722894A88AD" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_0B39DA946261DD5E8738C722894A3DC9" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_7277043089184D224032C722894A88AD" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/DebtDebtDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_A061AE05D49260FE2E45C7228975F542" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_0EE4D0DB1732229667B6C722897499EA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A061AE05D49260FE2E45C7228975F542" xlink:to="loc_us-gaap_DebtInstrumentTable_0EE4D0DB1732229667B6C722897499EA" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_04235D964DF407DA5A43C72289745BCE" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_0EE4D0DB1732229667B6C722897499EA" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_04235D964DF407DA5A43C72289745BCE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_1B52B46150B28C0521F9C72289756A66_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_04235D964DF407DA5A43C72289745BCE" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_1B52B46150B28C0521F9C72289756A66_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_1B52B46150B28C0521F9C72289756A66" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_04235D964DF407DA5A43C72289745BCE" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_1B52B46150B28C0521F9C72289756A66" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_916B79C14F1231A3BCB8C7228975BC3C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1B52B46150B28C0521F9C72289756A66" xlink:to="loc_us-gaap_UnsecuredDebtMember_916B79C14F1231A3BCB8C7228975BC3C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LoansPayableMember" xlink:label="loc_us-gaap_LoansPayableMember_682375D0E130D0A00C2EC72289755E63" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1B52B46150B28C0521F9C72289756A66" xlink:to="loc_us-gaap_LoansPayableMember_682375D0E130D0A00C2EC72289755E63" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_3EF3E972D6740E54FD73C7228975A971" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1B52B46150B28C0521F9C72289756A66" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_3EF3E972D6740E54FD73C7228975A971" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NotesPayableOtherPayablesMember" xlink:label="loc_us-gaap_NotesPayableOtherPayablesMember_F1F8F7763BA780FE8483C722897587A4" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1B52B46150B28C0521F9C72289756A66" xlink:to="loc_us-gaap_NotesPayableOtherPayablesMember_F1F8F7763BA780FE8483C722897587A4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_576D8D7F7F6FA7556587C72289753D8A" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1B52B46150B28C0521F9C72289756A66" xlink:to="loc_us-gaap_SecuredDebtMember_576D8D7F7F6FA7556587C72289753D8A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CapitalLeaseObligationsMember" xlink:label="loc_us-gaap_CapitalLeaseObligationsMember_04E43FBFF8381FCDF878C72289758704" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1B52B46150B28C0521F9C72289756A66" xlink:to="loc_us-gaap_CapitalLeaseObligationsMember_04E43FBFF8381FCDF878C72289758704" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_DebtAndCapitalLeaseObligations_48148634D182DCEE391CC7228975DBE4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A061AE05D49260FE2E45C7228975F542" xlink:to="loc_us-gaap_DebtAndCapitalLeaseObligations_48148634D182DCEE391CC7228975DBE4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_8334C23A18280EC85848C7228975466E" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A061AE05D49260FE2E45C7228975F542" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_8334C23A18280EC85848C7228975466E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_ECFF0F32B8E209B0ADC2C722897595FD" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A061AE05D49260FE2E45C7228975F542" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_ECFF0F32B8E209B0ADC2C722897595FD" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/DebtDebtFirstLienNotesDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_4E5A0ACBADBC38186129C72289610E1A" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_B1F2D01E2EC44B8A2514C7228961CCDB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4E5A0ACBADBC38186129C72289610E1A" xlink:to="loc_us-gaap_DebtInstrumentTable_B1F2D01E2EC44B8A2514C7228961CCDB" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_B1EB14FD927E453BDABCC7228961693F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_B1F2D01E2EC44B8A2514C7228961CCDB" xlink:to="loc_us-gaap_DebtInstrumentAxis_B1EB14FD927E453BDABCC7228961693F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_7E6773CC8CB30E346F54C72289615ED7_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_B1EB14FD927E453BDABCC7228961693F" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_7E6773CC8CB30E346F54C72289615ED7_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_7E6773CC8CB30E346F54C72289615ED7" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_B1EB14FD927E453BDABCC7228961693F" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_7E6773CC8CB30E346F54C72289615ED7" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_EarlyRedemptionAmountMember" xlink:label="loc_cpn_EarlyRedemptionAmountMember_AAB19F06D6B473C84F2BC72289610ACF" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7E6773CC8CB30E346F54C72289615ED7" xlink:to="loc_cpn_EarlyRedemptionAmountMember_AAB19F06D6B473C84F2BC72289610ACF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_E4FD00A1BCBF7A74906BC72289616D21" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_B1F2D01E2EC44B8A2514C7228961CCDB" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_E4FD00A1BCBF7A74906BC72289616D21" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_6EB1C6D500C6FCC15928C72289618DF5_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_E4FD00A1BCBF7A74906BC72289616D21" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_6EB1C6D500C6FCC15928C72289618DF5_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_6EB1C6D500C6FCC15928C72289618DF5" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_E4FD00A1BCBF7A74906BC72289616D21" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_6EB1C6D500C6FCC15928C72289618DF5" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_A2022FirstLienNotesMember" xlink:label="loc_cpn_A2022FirstLienNotesMember_60FAA72C4F025F1DB037C72289617363" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_6EB1C6D500C6FCC15928C72289618DF5" xlink:to="loc_cpn_A2022FirstLienNotesMember_60FAA72C4F025F1DB037C72289617363" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_FirstLienNotes2023Member" xlink:label="loc_cpn_FirstLienNotes2023Member_EA14441582143F44C60CC72289612335" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_6EB1C6D500C6FCC15928C72289618DF5" xlink:to="loc_cpn_FirstLienNotes2023Member_EA14441582143F44C60CC72289612335" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_A2024FirstLienNotesMember" xlink:label="loc_cpn_A2024FirstLienNotesMember_13576CB1B6636A054618C72289611620" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_6EB1C6D500C6FCC15928C72289618DF5" xlink:to="loc_cpn_A2024FirstLienNotesMember_13576CB1B6636A054618C72289611620" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_C8FBE063A6D4762EF7F3C7228961BA8E" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_6EB1C6D500C6FCC15928C72289618DF5" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_C8FBE063A6D4762EF7F3C7228961BA8E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_E4A2666F9039F7F95717C7228961D0E0" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4E5A0ACBADBC38186129C72289610E1A" xlink:to="loc_us-gaap_LongTermDebt_E4A2666F9039F7F95717C7228961D0E0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_BD155929409F55DD4AF1C722896105C2" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4E5A0ACBADBC38186129C72289610E1A" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_BD155929409F55DD4AF1C722896105C2" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/DebtDebtFirstLienTermLoansDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_71DED2D225BB98F0B304C72289672023" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_4356924F456E79977D8AC722896690F0" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_71DED2D225BB98F0B304C72289672023" xlink:to="loc_us-gaap_DebtInstrumentTable_4356924F456E79977D8AC722896690F0" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_FF8976B0DD6BF89BC237C7228966BE16" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_4356924F456E79977D8AC722896690F0" xlink:to="loc_us-gaap_VariableRateAxis_FF8976B0DD6BF89BC237C7228966BE16" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_C3C43C57653248AC7F45C722896672AC_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_FF8976B0DD6BF89BC237C7228966BE16" xlink:to="loc_us-gaap_VariableRateDomain_C3C43C57653248AC7F45C722896672AC_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_C3C43C57653248AC7F45C722896672AC" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_FF8976B0DD6BF89BC237C7228966BE16" xlink:to="loc_us-gaap_VariableRateDomain_C3C43C57653248AC7F45C722896672AC" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_FederalFundsEffectiveRateMember" xlink:label="loc_cpn_FederalFundsEffectiveRateMember_69E1E05D53AD280A5BAAC72289665145" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_C3C43C57653248AC7F45C722896672AC" xlink:to="loc_cpn_FederalFundsEffectiveRateMember_69E1E05D53AD280A5BAAC72289665145" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_EurodollarRateForAOneMonthInterestPeriodMember" xlink:label="loc_cpn_EurodollarRateForAOneMonthInterestPeriodMember_C1E874F80717F943BDAEC7228966800E" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_C3C43C57653248AC7F45C722896672AC" xlink:to="loc_cpn_EurodollarRateForAOneMonthInterestPeriodMember_C1E874F80717F943BDAEC7228966800E" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_PrimeRateOrTheEurodollarRateForaOneMonthInterestPeriodMember" xlink:label="loc_cpn_PrimeRateOrTheEurodollarRateForaOneMonthInterestPeriodMember_8F2BFA1E25F597179DB8C7228967D64E" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_C3C43C57653248AC7F45C722896672AC" xlink:to="loc_cpn_PrimeRateOrTheEurodollarRateForaOneMonthInterestPeriodMember_8F2BFA1E25F597179DB8C7228967D64E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_53CEF08FB65693BEA078C7228967702A" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_C3C43C57653248AC7F45C722896672AC" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_53CEF08FB65693BEA078C7228967702A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_E40704886088C19BDACCC7228967CD17" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_4356924F456E79977D8AC722896690F0" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_E40704886088C19BDACCC7228967CD17" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_0CB94FBC407E96EB1323C7228967ADB1_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_E40704886088C19BDACCC7228967CD17" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_0CB94FBC407E96EB1323C7228967ADB1_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_0CB94FBC407E96EB1323C7228967ADB1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_E40704886088C19BDACCC7228967CD17" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_0CB94FBC407E96EB1323C7228967ADB1" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_FirstLienTermLoans2018Member" xlink:label="loc_cpn_FirstLienTermLoans2018Member_CEE9A9D81292C1AEED6CC72289675905" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0CB94FBC407E96EB1323C7228967ADB1" xlink:to="loc_cpn_FirstLienTermLoans2018Member_CEE9A9D81292C1AEED6CC72289675905" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_FirstLienTermLoan2019Member" xlink:label="loc_cpn_FirstLienTermLoan2019Member_7C52131FF948BD1D5C35C7228967D223" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0CB94FBC407E96EB1323C7228967ADB1" xlink:to="loc_cpn_FirstLienTermLoan2019Member_7C52131FF948BD1D5C35C7228967D223" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_A2020FirstLienTermLoanMember" xlink:label="loc_cpn_A2020FirstLienTermLoanMember_9CC318113962BBB498F3C72289679ECB" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0CB94FBC407E96EB1323C7228967ADB1" xlink:to="loc_cpn_A2020FirstLienTermLoanMember_9CC318113962BBB498F3C72289679ECB" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_A2022FirstLienTermLoanMember" xlink:label="loc_cpn_A2022FirstLienTermLoanMember_12D57CD16887F66EF4FEC722896778A7" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0CB94FBC407E96EB1323C7228967ADB1" xlink:to="loc_cpn_A2022FirstLienTermLoanMember_12D57CD16887F66EF4FEC722896778A7" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_A2023FirstLienTermLoanMember" xlink:label="loc_cpn_A2023FirstLienTermLoanMember_DD94E8D374AA475D0001C722896779F0" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0CB94FBC407E96EB1323C7228967ADB1" xlink:to="loc_cpn_A2023FirstLienTermLoanMember_DD94E8D374AA475D0001C722896779F0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LoansPayableMember" xlink:label="loc_us-gaap_LoansPayableMember_29EBCE30CA75753760A4C722896781F9" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0CB94FBC407E96EB1323C7228967ADB1" xlink:to="loc_us-gaap_LoansPayableMember_29EBCE30CA75753760A4C722896781F9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_10DE36B68573E8B20282C72289679B24" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_71DED2D225BB98F0B304C72289672023" xlink:to="loc_us-gaap_LongTermDebt_10DE36B68573E8B20282C72289679B24" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_64CB048F8C9391FEE009C722896722F6" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_71DED2D225BB98F0B304C72289672023" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_64CB048F8C9391FEE009C722896722F6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_E11D6BD5126DE4A16FFAC7228967A683" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_71DED2D225BB98F0B304C72289672023" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_E11D6BD5126DE4A16FFAC7228967A683" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_5355A226DD04A40709C6C7228967DA4D" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_71DED2D225BB98F0B304C72289672023" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_5355A226DD04A40709C6C7228967DA4D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_6330F096051ADFD29588C72289674D94" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_71DED2D225BB98F0B304C72289672023" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_6330F096051ADFD29588C72289674D94" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_PercentageOfPrincipalAmountOfTermLoanToBePaidQuarterly" xlink:label="loc_cpn_PercentageOfPrincipalAmountOfTermLoanToBePaidQuarterly_379DA20DE4D3DADCABEEC7228968B280" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_71DED2D225BB98F0B304C72289672023" xlink:to="loc_cpn_PercentageOfPrincipalAmountOfTermLoanToBePaidQuarterly_379DA20DE4D3DADCABEEC7228968B280" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtIssuanceCosts" xlink:label="loc_us-gaap_DebtIssuanceCosts_5B363E56B5335B16F358C722896883E8" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_71DED2D225BB98F0B304C72289672023" xlink:to="loc_us-gaap_DebtIssuanceCosts_5B363E56B5335B16F358C722896883E8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_073DBB74C92E4CF46402C72289682ACE" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_71DED2D225BB98F0B304C72289672023" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_073DBB74C92E4CF46402C72289682ACE" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/DebtFairValueOfDebtDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_1FBD874375BDF7421DF0C72289462F36" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_CD1681D68A4A0232DC85C72289456DA2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_1FBD874375BDF7421DF0C72289462F36" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_CD1681D68A4A0232DC85C72289456DA2" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_62494A2D7CC8D68EFCF4C7228945B042" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_CD1681D68A4A0232DC85C72289456DA2" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_62494A2D7CC8D68EFCF4C7228945B042" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1FCA7D01CE1CDC73DA4AC7228945D279_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_62494A2D7CC8D68EFCF4C7228945B042" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1FCA7D01CE1CDC73DA4AC7228945D279_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1FCA7D01CE1CDC73DA4AC7228945D279" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_62494A2D7CC8D68EFCF4C7228945B042" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1FCA7D01CE1CDC73DA4AC7228945D279" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_3A6FF023EE565CC0DC36C7228945A1D9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1FCA7D01CE1CDC73DA4AC7228945D279" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_3A6FF023EE565CC0DC36C7228945A1D9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_975BE48299B1D382E9CEC722894546A1" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1FCA7D01CE1CDC73DA4AC7228945D279" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_975BE48299B1D382E9CEC722894546A1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_DF26D99C35AA2FAF34B7C72289456101" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_CD1681D68A4A0232DC85C72289456DA2" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_DF26D99C35AA2FAF34B7C72289456101" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_E5E6B3D877E23AB0EEF4C722894538D8_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_DF26D99C35AA2FAF34B7C72289456101" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_E5E6B3D877E23AB0EEF4C722894538D8_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_E5E6B3D877E23AB0EEF4C722894538D8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_DF26D99C35AA2FAF34B7C72289456101" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_E5E6B3D877E23AB0EEF4C722894538D8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_F8881340B0F339CD5A89C72289450A9D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_E5E6B3D877E23AB0EEF4C722894538D8" xlink:to="loc_us-gaap_UnsecuredDebtMember_F8881340B0F339CD5A89C72289450A9D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LoansPayableMember" xlink:label="loc_us-gaap_LoansPayableMember_EB9FFEA90E889C0BBB9DC7228945D04F" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_E5E6B3D877E23AB0EEF4C722894538D8" xlink:to="loc_us-gaap_LoansPayableMember_EB9FFEA90E889C0BBB9DC7228945D04F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_D6CD379C116F339AAF82C7228945CF41" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_E5E6B3D877E23AB0EEF4C722894538D8" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_D6CD379C116F339AAF82C7228945CF41" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_NotesPayableOtherPayableexcludingCapitalLeasesMember" xlink:label="loc_cpn_NotesPayableOtherPayableexcludingCapitalLeasesMember_1C6848D222123F0088BEC722894547B3" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_E5E6B3D877E23AB0EEF4C722894538D8" xlink:to="loc_cpn_NotesPayableOtherPayableexcludingCapitalLeasesMember_1C6848D222123F0088BEC722894547B3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_1E23580CE97A8EF4C08FC72289451639" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_E5E6B3D877E23AB0EEF4C722894538D8" xlink:to="loc_us-gaap_SecuredDebtMember_1E23580CE97A8EF4C08FC72289451639" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_CBE8F5589BAFD9ED2BF6C722894688E0" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_CD1681D68A4A0232DC85C72289456DA2" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_CBE8F5589BAFD9ED2BF6C722894688E0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_3980D5BBF9D3E85D1914C7228946E6E7_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_CBE8F5589BAFD9ED2BF6C722894688E0" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_3980D5BBF9D3E85D1914C7228946E6E7_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_22E004265A54E82FBBF9C7228946151D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_CBE8F5589BAFD9ED2BF6C722894688E0" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_22E004265A54E82FBBF9C7228946151D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_3980D5BBF9D3E85D1914C7228946E6E7" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_22E004265A54E82FBBF9C7228946151D" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_3980D5BBF9D3E85D1914C7228946E6E7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_1CBA7F866883B4CCCC66C7228946C975" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_22E004265A54E82FBBF9C7228946151D" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_1CBA7F866883B4CCCC66C7228946C975" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_96C48AA6CA053C315AD3C7228946D60F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_1FBD874375BDF7421DF0C72289462F36" xlink:to="loc_us-gaap_LongTermDebt_96C48AA6CA053C315AD3C7228946D60F" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/DebtProjectFinancingNotesPayableAndOthersDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_CC60F4880AA7459DA365C722895D71F9" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_F51F123537CB28F0512BC722895C71F4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_CC60F4880AA7459DA365C722895D71F9" xlink:to="loc_us-gaap_DebtInstrumentTable_F51F123537CB28F0512BC722895C71F4" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_04B3A06D8738FB3769F9C722895C524F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_F51F123537CB28F0512BC722895C71F4" xlink:to="loc_us-gaap_DebtInstrumentAxis_04B3A06D8738FB3769F9C722895C524F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_90836424A5165F5EAA71C722895C058F_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_04B3A06D8738FB3769F9C722895C524F" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_90836424A5165F5EAA71C722895C058F_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_90836424A5165F5EAA71C722895C058F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_04B3A06D8738FB3769F9C722895C524F" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_90836424A5165F5EAA71C722895C058F" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_RussellCityProjectMember" xlink:label="loc_cpn_RussellCityProjectMember_08526D2761C54F4478D4C722895C3AC4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_90836424A5165F5EAA71C722895C058F" xlink:to="loc_cpn_RussellCityProjectMember_08526D2761C54F4478D4C722895C3AC4" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_SteamboatMember" xlink:label="loc_cpn_SteamboatMember_98D59023437C0CBCEA98C722895D36FC" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_90836424A5165F5EAA71C722895C058F" xlink:to="loc_cpn_SteamboatMember_98D59023437C0CBCEA98C722895D36FC" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OmecMember" xlink:label="loc_cpn_OmecMember_AB650E0E9AE5F17023ECC722895DE1D7" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_90836424A5165F5EAA71C722895C058F" xlink:to="loc_cpn_OmecMember_AB650E0E9AE5F17023ECC722895DE1D7" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_LosEsterosProjectMember" xlink:label="loc_cpn_LosEsterosProjectMember_5DBEB47028BAD3957C33C722895D04F6" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_90836424A5165F5EAA71C722895C058F" xlink:to="loc_cpn_LosEsterosProjectMember_5DBEB47028BAD3957C33C722895D04F6" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_PasadenaMember" xlink:label="loc_cpn_PasadenaMember_D57DC4096E91F248CC52C722895D7A73" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_90836424A5165F5EAA71C722895C058F" xlink:to="loc_cpn_PasadenaMember_D57DC4096E91F248CC52C722895D7A73" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_BethpageMember" xlink:label="loc_cpn_BethpageMember_C496F863C87301D5FF7AC722895D7FB3" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_90836424A5165F5EAA71C722895C058F" xlink:to="loc_cpn_BethpageMember_C496F863C87301D5FF7AC722895D7FB3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherDebtSecuritiesMember" xlink:label="loc_us-gaap_OtherDebtSecuritiesMember_12E4B02F5A853FA9BE7BC722895D4562" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_90836424A5165F5EAA71C722895C058F" xlink:to="loc_us-gaap_OtherDebtSecuritiesMember_12E4B02F5A853FA9BE7BC722895D4562" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NotesPayableOtherPayablesMember" xlink:label="loc_us-gaap_NotesPayableOtherPayablesMember_FA638BBAFF7323F54022C722895DBF45" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_90836424A5165F5EAA71C722895C058F" xlink:to="loc_us-gaap_NotesPayableOtherPayablesMember_FA638BBAFF7323F54022C722895DBF45" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_234FDBCCAE19A313B76BC722895DE4BC" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_CC60F4880AA7459DA365C722895D71F9" xlink:to="loc_us-gaap_LongTermDebt_234FDBCCAE19A313B76BC722895DE4BC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_44DD9F16E35A9F6F9238C722895D596B" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_CC60F4880AA7459DA365C722895D71F9" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_44DD9F16E35A9F6F9238C722895D596B" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/DebtSeniorUnsecuredNotesDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_8EFF89A97F6CABDE208CC722896D1ACA" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_9D2BA6B93843BFADB03FC722896C093E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8EFF89A97F6CABDE208CC722896D1ACA" xlink:to="loc_us-gaap_DebtInstrumentTable_9D2BA6B93843BFADB03FC722896C093E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_2B6DF3CC693532364820C722896C0474" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_9D2BA6B93843BFADB03FC722896C093E" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_2B6DF3CC693532364820C722896C0474" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_8BEABBD8024911D966DCC722896CB20F_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_2B6DF3CC693532364820C722896C0474" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_8BEABBD8024911D966DCC722896CB20F_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_8BEABBD8024911D966DCC722896CB20F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_2B6DF3CC693532364820C722896C0474" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_8BEABBD8024911D966DCC722896CB20F" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_SeniorUnsecuredNotes2023Member" xlink:label="loc_cpn_SeniorUnsecuredNotes2023Member_EBF2D29730C7AE0D8010C722896C2030" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_8BEABBD8024911D966DCC722896CB20F" xlink:to="loc_cpn_SeniorUnsecuredNotes2023Member_EBF2D29730C7AE0D8010C722896C2030" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_SeniorUnsecuredNotes2024Member" xlink:label="loc_cpn_SeniorUnsecuredNotes2024Member_0EC994C7BC7BED85E65DC722896CBEAD" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_8BEABBD8024911D966DCC722896CB20F" xlink:to="loc_cpn_SeniorUnsecuredNotes2024Member_0EC994C7BC7BED85E65DC722896CBEAD" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_SeniorUnsecuredNotes2025Member" xlink:label="loc_cpn_SeniorUnsecuredNotes2025Member_BB205A042B826EE8CD0DC722896CEFEA" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_8BEABBD8024911D966DCC722896CB20F" xlink:to="loc_cpn_SeniorUnsecuredNotes2025Member_BB205A042B826EE8CD0DC722896CEFEA" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_FirstLienNotes2023Member" xlink:label="loc_cpn_FirstLienNotes2023Member_2244A8439A3EC34E799BC722896C5F92" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_8BEABBD8024911D966DCC722896CB20F" xlink:to="loc_cpn_FirstLienNotes2023Member_2244A8439A3EC34E799BC722896C5F92" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_A20192020and2021FirstLienNotesMember" xlink:label="loc_cpn_A20192020and2021FirstLienNotesMember_FDDA4DCC0E46C7BFB0FDC722896C3123" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_8BEABBD8024911D966DCC722896CB20F" xlink:to="loc_cpn_A20192020and2021FirstLienNotesMember_FDDA4DCC0E46C7BFB0FDC722896C3123" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_32332102B835FAA91ECEC722896C10F9" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_8BEABBD8024911D966DCC722896CB20F" xlink:to="loc_us-gaap_UnsecuredDebtMember_32332102B835FAA91ECEC722896C10F9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_18453E4C0CE439783CB6C722896CCE66" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_9D2BA6B93843BFADB03FC722896C093E" xlink:to="loc_us-gaap_DebtInstrumentAxis_18453E4C0CE439783CB6C722896CCE66" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_BDB38816BB4FCFE14501C722896D143D_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_18453E4C0CE439783CB6C722896CCE66" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_BDB38816BB4FCFE14501C722896D143D_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_BDB38816BB4FCFE14501C722896D143D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_18453E4C0CE439783CB6C722896CCE66" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_BDB38816BB4FCFE14501C722896D143D" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_EarlyRedemptionAmountMember" xlink:label="loc_cpn_EarlyRedemptionAmountMember_7592E9A443223E51A993C722896D1004" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_BDB38816BB4FCFE14501C722896D143D" xlink:to="loc_cpn_EarlyRedemptionAmountMember_7592E9A443223E51A993C722896D1004" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_8DEFF90CD3421E98F1E3C722896D3BD6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8EFF89A97F6CABDE208CC722896D1ACA" xlink:to="loc_us-gaap_LongTermDebt_8DEFF90CD3421E98F1E3C722896D3BD6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_C0DDC39C351E2621BB8BC722896DD04A" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8EFF89A97F6CABDE208CC722896D1ACA" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_C0DDC39C351E2621BB8BC722896DD04A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_7617C78E970858ED6101C722896D6406" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8EFF89A97F6CABDE208CC722896D1ACA" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_7617C78E970858ED6101C722896D6406" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_107C3F8D1ED9E9790CB0C722896D3EF7" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8EFF89A97F6CABDE208CC722896D1ACA" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_107C3F8D1ED9E9790CB0C722896D3EF7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_D03F67F468A4EA987CC5C722896D2957" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8EFF89A97F6CABDE208CC722896D1ACA" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_D03F67F468A4EA987CC5C722896D2957" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_6DD7C5D4211C68AF7F3BC722896D5003" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8EFF89A97F6CABDE208CC722896D1ACA" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_6DD7C5D4211C68AF7F3BC722896D5003" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/DebtTables" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/DebtTextualsDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_6961918F0B477D60497EC722893D7119" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_us-gaap_DebtInstrumentTable_6961918F0B477D60497EC722893D7119" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_FA32AD29D39F062E7191C722893DCAA6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_6961918F0B477D60497EC722893D7119" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_FA32AD29D39F062E7191C722893DCAA6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_CF71ABE6FFA9201C1CB4C722893D2E34_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_FA32AD29D39F062E7191C722893DCAA6" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_CF71ABE6FFA9201C1CB4C722893D2E34_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_CF71ABE6FFA9201C1CB4C722893D2E34" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_FA32AD29D39F062E7191C722893DCAA6" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_CF71ABE6FFA9201C1CB4C722893D2E34" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GraniteRidgeEnergyLLCMember" xlink:label="loc_cpn_GraniteRidgeEnergyLLCMember_8C8B0E564CF152297823C722893D8BFB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_CF71ABE6FFA9201C1CB4C722893D2E34" xlink:to="loc_cpn_GraniteRidgeEnergyLLCMember_8C8B0E564CF152297823C722893D8BFB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_61AC0D89D96F720BF122C722893D61A5" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_6961918F0B477D60497EC722893D7119" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_61AC0D89D96F720BF122C722893D61A5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_024127B6FFC969A932FFC722893D505D_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_61AC0D89D96F720BF122C722893D61A5" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_024127B6FFC969A932FFC722893D505D_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_024127B6FFC969A932FFC722893D505D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_61AC0D89D96F720BF122C722893D61A5" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_024127B6FFC969A932FFC722893D505D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_2BB1666FBDF73B22FF33C722893D27EE" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_024127B6FFC969A932FFC722893D505D" xlink:to="loc_us-gaap_SubsequentEventMember_2BB1666FBDF73B22FF33C722893D27EE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_DFCDAD36E19F632F8234C722893EFF09" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_6961918F0B477D60497EC722893D7119" xlink:to="loc_us-gaap_DebtInstrumentAxis_DFCDAD36E19F632F8234C722893EFF09" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_B593B066DDE24E23D8D2C722893ED9B7_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_DFCDAD36E19F632F8234C722893EFF09" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_B593B066DDE24E23D8D2C722893ED9B7_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_B593B066DDE24E23D8D2C722893ED9B7" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_DFCDAD36E19F632F8234C722893EFF09" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_B593B066DDE24E23D8D2C722893ED9B7" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_EarlyRedemptionAmountMember" xlink:label="loc_cpn_EarlyRedemptionAmountMember_F8CC2ADFB7B2DD3FCE55C722893E0D33" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_B593B066DDE24E23D8D2C722893ED9B7" xlink:to="loc_cpn_EarlyRedemptionAmountMember_F8CC2ADFB7B2DD3FCE55C722893E0D33" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_242DB5D9E09E0E4270D1C722893E3353" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_6961918F0B477D60497EC722893D7119" xlink:to="loc_us-gaap_VariableRateAxis_242DB5D9E09E0E4270D1C722893E3353" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_E82C42EAFA985C847B6BC722893EEB14_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_242DB5D9E09E0E4270D1C722893E3353" xlink:to="loc_us-gaap_VariableRateDomain_E82C42EAFA985C847B6BC722893EEB14_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_E82C42EAFA985C847B6BC722893EEB14" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_242DB5D9E09E0E4270D1C722893E3353" xlink:to="loc_us-gaap_VariableRateDomain_E82C42EAFA985C847B6BC722893EEB14" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_FederalFundsEffectiveRateMember" xlink:label="loc_cpn_FederalFundsEffectiveRateMember_CF3B72C04EDB0780085AC722893E605A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_E82C42EAFA985C847B6BC722893EEB14" xlink:to="loc_cpn_FederalFundsEffectiveRateMember_CF3B72C04EDB0780085AC722893E605A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_B2EA412B09D24B032895C722893E375D" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_6961918F0B477D60497EC722893D7119" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_B2EA412B09D24B032895C722893E375D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_F0898CD3A0C512BC8823C722893EFDE9_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_B2EA412B09D24B032895C722893E375D" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_F0898CD3A0C512BC8823C722893EFDE9_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_F0898CD3A0C512BC8823C722893EFDE9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_B2EA412B09D24B032895C722893E375D" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_F0898CD3A0C512BC8823C722893EFDE9" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CorporateRevolvingFacilityMember" xlink:label="loc_cpn_CorporateRevolvingFacilityMember_3EEDE7ECBE49074781E9C722893EE514" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_F0898CD3A0C512BC8823C722893EFDE9" xlink:to="loc_cpn_CorporateRevolvingFacilityMember_3EEDE7ECBE49074781E9C722893EE514" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_InterestPeriodsAxis" xlink:label="loc_cpn_InterestPeriodsAxis_C3FE32B7DA92DDD3E5B5C722893E9605" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_6961918F0B477D60497EC722893D7119" xlink:to="loc_cpn_InterestPeriodsAxis_C3FE32B7DA92DDD3E5B5C722893E9605" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_InterestPeriodsDomain" xlink:label="loc_cpn_InterestPeriodsDomain_F406C628AC3A661B4F32C722893E2C04_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_cpn_InterestPeriodsAxis_C3FE32B7DA92DDD3E5B5C722893E9605" xlink:to="loc_cpn_InterestPeriodsDomain_F406C628AC3A661B4F32C722893E2C04_default" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_InterestPeriodsDomain" xlink:label="loc_cpn_InterestPeriodsDomain_F406C628AC3A661B4F32C722893E2C04" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_cpn_InterestPeriodsAxis_C3FE32B7DA92DDD3E5B5C722893E9605" xlink:to="loc_cpn_InterestPeriodsDomain_F406C628AC3A661B4F32C722893E2C04" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OneMonthMember" xlink:label="loc_cpn_OneMonthMember_17EDF33F70BEB3131821C722893E5E36" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_InterestPeriodsDomain_F406C628AC3A661B4F32C722893E2C04" xlink:to="loc_cpn_OneMonthMember_17EDF33F70BEB3131821C722893E5E36" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_TwoMonthsMember" xlink:label="loc_cpn_TwoMonthsMember_8D08C1288E67E199877CC722893E684C" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_InterestPeriodsDomain_F406C628AC3A661B4F32C722893E2C04" xlink:to="loc_cpn_TwoMonthsMember_8D08C1288E67E199877CC722893E684C" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ThreeMonthsMember" xlink:label="loc_cpn_ThreeMonthsMember_3C2348747DF3BAB8BE99C722893E806F" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_InterestPeriodsDomain_F406C628AC3A661B4F32C722893E2C04" xlink:to="loc_cpn_ThreeMonthsMember_3C2348747DF3BAB8BE99C722893E806F" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_SixMonthsMember" xlink:label="loc_cpn_SixMonthsMember_608888B51125E4B4C20EC722893EC5C6" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_InterestPeriodsDomain_F406C628AC3A661B4F32C722893E2C04" xlink:to="loc_cpn_SixMonthsMember_608888B51125E4B4C20EC722893EC5C6" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_NineMonthsMember" xlink:label="loc_cpn_NineMonthsMember_D7133BFD90FF92F7FF23C722893FE673" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_InterestPeriodsDomain_F406C628AC3A661B4F32C722893E2C04" xlink:to="loc_cpn_NineMonthsMember_D7133BFD90FF92F7FF23C722893FE673" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_TwelveMonthsMember" xlink:label="loc_cpn_TwelveMonthsMember_6F3992C43BCD95BA5236C722893FDBB0" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_InterestPeriodsDomain_F406C628AC3A661B4F32C722893E2C04" xlink:to="loc_cpn_TwelveMonthsMember_6F3992C43BCD95BA5236C722893FDBB0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_FEEC3C4D7D1D33EB3447C722893F6A39" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_6961918F0B477D60497EC722893D7119" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_FEEC3C4D7D1D33EB3447C722893F6A39" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_AFD1A971DE25C56C9A53C722893FE709_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_FEEC3C4D7D1D33EB3447C722893F6A39" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_AFD1A971DE25C56C9A53C722893FE709_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_AFD1A971DE25C56C9A53C722893FE709" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_FEEC3C4D7D1D33EB3447C722893F6A39" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_AFD1A971DE25C56C9A53C722893FE709" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_FirstLienNotes2023Member" xlink:label="loc_cpn_FirstLienNotes2023Member_0E5DC02876341F2FDC10C722893F8298" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_AFD1A971DE25C56C9A53C722893FE709" xlink:to="loc_cpn_FirstLienNotes2023Member_0E5DC02876341F2FDC10C722893F8298" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CorporateRevolvingFacilityMember" xlink:label="loc_cpn_CorporateRevolvingFacilityMember_066AA5CCD8915EADC899C722893F0E01" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_AFD1A971DE25C56C9A53C722893FE709" xlink:to="loc_cpn_CorporateRevolvingFacilityMember_066AA5CCD8915EADC899C722893F0E01" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CdhiMember" xlink:label="loc_cpn_CdhiMember_C1E4D902D443F8665B26C722893F5C7D" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_AFD1A971DE25C56C9A53C722893FE709" xlink:to="loc_cpn_CdhiMember_C1E4D902D443F8665B26C722893F5C7D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_DE39C0B211FB8BB52A86C722893FCC2F" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_6961918F0B477D60497EC722893D7119" xlink:to="loc_us-gaap_RangeAxis_DE39C0B211FB8BB52A86C722893FCC2F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_F9162438AFFB6D7BEDD5C722893F7D72_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_DE39C0B211FB8BB52A86C722893FCC2F" xlink:to="loc_us-gaap_RangeMember_F9162438AFFB6D7BEDD5C722893F7D72_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_F9162438AFFB6D7BEDD5C722893F7D72" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_DE39C0B211FB8BB52A86C722893FCC2F" xlink:to="loc_us-gaap_RangeMember_F9162438AFFB6D7BEDD5C722893F7D72" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_B1BB041A99C94AA2B410C722893FA6E4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_F9162438AFFB6D7BEDD5C722893F7D72" xlink:to="loc_us-gaap_MinimumMember_B1BB041A99C94AA2B410C722893FA6E4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_29D3DA535ED68CFBDCC0C722893F6A5F" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_F9162438AFFB6D7BEDD5C722893F7D72" xlink:to="loc_us-gaap_MaximumMember_29D3DA535ED68CFBDCC0C722893F6A5F" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_Proceedsfrom2023FirstLienTermLoanutilizeforAcquisitionofGraniteRidgeEnergyLLC" xlink:label="loc_cpn_Proceedsfrom2023FirstLienTermLoanutilizeforAcquisitionofGraniteRidgeEnergyLLC_0FDD3FC94BB1D5F3CE5FC722893FBFBA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_cpn_Proceedsfrom2023FirstLienTermLoanutilizeforAcquisitionofGraniteRidgeEnergyLLC_0FDD3FC94BB1D5F3CE5FC722893FBFBA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_C931197D41CF995C557FC722893FBF95" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_C931197D41CF995C557FC722893FBF95" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_0486E9196C74C35B9D88C722893F5B8C" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_0486E9196C74C35B9D88C722893F5B8C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet" xlink:label="loc_us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_27A0B3F200ACF1CEB806C72289405E79" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_27A0B3F200ACF1CEB806C72289405E79" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_326BAB0F0E51999BE071C7228940B366" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_326BAB0F0E51999BE071C7228940B366" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_IncreaseinLetterofCreditSublimit" xlink:label="loc_cpn_IncreaseinLetterofCreditSublimit_A06540B9D20EB80A5FD6C7228940F8D8" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_cpn_IncreaseinLetterofCreditSublimit_A06540B9D20EB80A5FD6C7228940F8D8" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_TotalLetterofCreditSublimit" xlink:label="loc_cpn_TotalLetterofCreditSublimit_82EDCFF20D57B6D198F6C72289403DBD" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_cpn_TotalLetterofCreditSublimit_82EDCFF20D57B6D198F6C72289403DBD" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ExtensionofLineofCreditRevolver" xlink:label="loc_cpn_ExtensionofLineofCreditRevolver_5814B2EBF904F2692072C7228940796F" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_cpn_ExtensionofLineofCreditRevolver_5814B2EBF904F2692072C7228940796F" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_MaximumRemainingLeaseTerm" xlink:label="loc_cpn_MaximumRemainingLeaseTerm_43D328922F9C5B2005EAC72289400CFD" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_cpn_MaximumRemainingLeaseTerm_43D328922F9C5B2005EAC72289400CFD" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_LeaseAssetsHistoricalCost" xlink:label="loc_cpn_LeaseAssetsHistoricalCost_A7F792E6AF5984C77320C7228940E8A3" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_cpn_LeaseAssetsHistoricalCost_A7F792E6AF5984C77320C7228940E8A3" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_LeaseAssetsAccumulatedDepreciation" xlink:label="loc_cpn_LeaseAssetsAccumulatedDepreciation_69023A5E342D11FAF4B8C7228940A45A" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_cpn_LeaseAssetsAccumulatedDepreciation_69023A5E342D11FAF4B8C7228940A45A" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ApplicableMarginRangePercentageAboveBaseRate" xlink:label="loc_cpn_ApplicableMarginRangePercentageAboveBaseRate_2542EB3AF55FC663239AC72289400B93" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_cpn_ApplicableMarginRangePercentageAboveBaseRate_2542EB3AF55FC663239AC72289400B93" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_InterestPeriodsForLiborRateBorrowings" xlink:label="loc_cpn_InterestPeriodsForLiborRateBorrowings_57884AB11E04A2D11F80C7228940ACBD" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_cpn_InterestPeriodsForLiborRateBorrowings_57884AB11E04A2D11F80C7228940ACBD" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ApplicableMarginRangePercentageAboveBritishBankersAssociationInterestSettlementRates" xlink:label="loc_cpn_ApplicableMarginRangePercentageAboveBritishBankersAssociationInterestSettlementRates_5AE1DB0BBD1D308897F8C722894064AD" xlink:type="locator"/>
<definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_cpn_ApplicableMarginRangePercentageAboveBritishBankersAssociationInterestSettlementRates_5AE1DB0BBD1D308897F8C722894064AD" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_RepaymentTimeForDrawingsUnderLettersOfCredit" xlink:label="loc_cpn_RepaymentTimeForDrawingsUnderLettersOfCredit_C38D852037A6302837CCC72289409A54" xlink:type="locator"/>
<definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_cpn_RepaymentTimeForDrawingsUnderLettersOfCredit_C38D852037A6302837CCC72289409A54" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_7C962EBC73ACD18F0E60C7228940ED1D" xlink:type="locator"/>
<definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_7C962EBC73ACD18F0E60C7228940ED1D" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ExcessAmountOfAssetSalesRequiringMandatoryPrepayments" xlink:label="loc_cpn_ExcessAmountOfAssetSalesRequiringMandatoryPrepayments_C950673C7FE1E2EBE093C72289408FA0" xlink:type="locator"/>
<definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_cpn_ExcessAmountOfAssetSalesRequiringMandatoryPrepayments_C950673C7FE1E2EBE093C72289408FA0" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_LetterOfCreditTotal" xlink:label="loc_cpn_LetterOfCreditTotal_445B1B13162A08908D1AC7228940BCC8" xlink:type="locator"/>
<definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_cpn_LetterOfCreditTotal_445B1B13162A08908D1AC7228940BCC8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_EDAB5ACFE01978A3FF2FC72289409C6B" xlink:type="locator"/>
<definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_EDAB5ACFE01978A3FF2FC72289409C6B" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OwnershipPercentageofAcquiree" xlink:label="loc_cpn_OwnershipPercentageofAcquiree_DFEB381ED718178B5671C72289402FE2" xlink:type="locator"/>
<definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FACE613CF9340FF4C530C722893FBDDF" xlink:to="loc_cpn_OwnershipPercentageofAcquiree_DFEB381ED718178B5671C72289402FE2" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/DefinedContributionAndDefinedBenefitPlans" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/DefinedContributionAndDefinedBenefitPlansDetails" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/DerivativeInstruments" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/DerivativeInstrumentsDetail5Details" xlink:type="extended">
<loc xlink:href="cpn-20151231.xsd#cpn_DerivativeInstrumentsSubjectToMasterNettingArrangementLineItems" xlink:label="loc_cpn_DerivativeInstrumentsSubjectToMasterNettingArrangementLineItems_912CE5A69D5107FC912AC722890635F7" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_7F6C1AD80448E7B2D9A1C72289061F5D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_cpn_DerivativeInstrumentsSubjectToMasterNettingArrangementLineItems_912CE5A69D5107FC912AC722890635F7" xlink:to="loc_us-gaap_DerivativeTable_7F6C1AD80448E7B2D9A1C72289061F5D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_143D4737A412F61E4585C72289061F70" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_7F6C1AD80448E7B2D9A1C72289061F5D" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_143D4737A412F61E4585C72289061F70" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_A49441DD85962443004EC72289068B8A_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_143D4737A412F61E4585C72289061F70" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_A49441DD85962443004EC72289068B8A_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_A49441DD85962443004EC72289068B8A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_143D4737A412F61E4585C72289061F70" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_A49441DD85962443004EC72289068B8A" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CommodityExchangeTradedFuturesAndSwapsContractsMember" xlink:label="loc_cpn_CommodityExchangeTradedFuturesAndSwapsContractsMember_8BAFF69CD0E4E66E2C2CC7228906F303" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_A49441DD85962443004EC72289068B8A" xlink:to="loc_cpn_CommodityExchangeTradedFuturesAndSwapsContractsMember_8BAFF69CD0E4E66E2C2CC7228906F303" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CommodityForwardContractMember" xlink:label="loc_cpn_CommodityForwardContractMember_1F988AC3D8523968539CC7228906CA83" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_A49441DD85962443004EC72289068B8A" xlink:to="loc_cpn_CommodityForwardContractMember_1F988AC3D8523968539CC7228906CA83" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_6BBF594749D45C43F3FEC7228906FE23" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_A49441DD85962443004EC72289068B8A" xlink:to="loc_us-gaap_InterestRateSwapMember_6BBF594749D45C43F3FEC7228906FE23" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_2305D1A69EE35CE5C3CEC7228906CF2D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DerivativeInstrumentsSubjectToMasterNettingArrangementLineItems_912CE5A69D5107FC912AC722890635F7" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_2305D1A69EE35CE5C3CEC7228906CF2D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeAssetNotOffsetPolicyElectionDeduction" xlink:label="loc_us-gaap_DerivativeAssetNotOffsetPolicyElectionDeduction_D718F75AF85FB4113636C7228907BCCE" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DerivativeInstrumentsSubjectToMasterNettingArrangementLineItems_912CE5A69D5107FC912AC722890635F7" xlink:to="loc_us-gaap_DerivativeAssetNotOffsetPolicyElectionDeduction_D718F75AF85FB4113636C7228907BCCE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeCollateralObligationToReturnCash" xlink:label="loc_us-gaap_DerivativeCollateralObligationToReturnCash_B92FAAE82F73CC35F244C72289075A12" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DerivativeInstrumentsSubjectToMasterNettingArrangementLineItems_912CE5A69D5107FC912AC722890635F7" xlink:to="loc_us-gaap_DerivativeCollateralObligationToReturnCash_B92FAAE82F73CC35F244C72289075A12" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral_B78A9C40E57C872172AFC72289075BB7" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DerivativeInstrumentsSubjectToMasterNettingArrangementLineItems_912CE5A69D5107FC912AC722890635F7" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral_B78A9C40E57C872172AFC72289075BB7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_41364A1E61A660EB12ACC72289075BE2" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DerivativeInstrumentsSubjectToMasterNettingArrangementLineItems_912CE5A69D5107FC912AC722890635F7" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_41364A1E61A660EB12ACC72289075BE2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeLiabilityNotOffsetPolicyElectionDeduction" xlink:label="loc_us-gaap_DerivativeLiabilityNotOffsetPolicyElectionDeduction_2924476328D9AF757862C72289072453" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DerivativeInstrumentsSubjectToMasterNettingArrangementLineItems_912CE5A69D5107FC912AC722890635F7" xlink:to="loc_us-gaap_DerivativeLiabilityNotOffsetPolicyElectionDeduction_2924476328D9AF757862C72289072453" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeCollateralRightToReclaimCash" xlink:label="loc_us-gaap_DerivativeCollateralRightToReclaimCash_16E4492923854CF869A0C7228907F53E" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DerivativeInstrumentsSubjectToMasterNettingArrangementLineItems_912CE5A69D5107FC912AC722890635F7" xlink:to="loc_us-gaap_DerivativeCollateralRightToReclaimCash_16E4492923854CF869A0C7228907F53E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral_41ABAFA2681794E7FFA9C72289078133" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DerivativeInstrumentsSubjectToMasterNettingArrangementLineItems_912CE5A69D5107FC912AC722890635F7" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral_41ABAFA2681794E7FFA9C72289078133" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeNet" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_7F497D3B1B3BECCE89A5C7228907326A" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DerivativeInstrumentsSubjectToMasterNettingArrangementLineItems_912CE5A69D5107FC912AC722890635F7" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeNet_7F497D3B1B3BECCE89A5C7228907326A" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_DerivativeFairValueAmountNotOffsetAgainstCollateralNet" xlink:label="loc_cpn_DerivativeFairValueAmountNotOffsetAgainstCollateralNet_87AEA9879DAF8C9AB2C5C7228907698B" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DerivativeInstrumentsSubjectToMasterNettingArrangementLineItems_912CE5A69D5107FC912AC722890635F7" xlink:to="loc_cpn_DerivativeFairValueAmountNotOffsetAgainstCollateralNet_87AEA9879DAF8C9AB2C5C7228907698B" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_DerivativeCollateralRightToReclaimCashNet" xlink:label="loc_cpn_DerivativeCollateralRightToReclaimCashNet_CB0A4FFD3126B58E6941C72289073991" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DerivativeInstrumentsSubjectToMasterNettingArrangementLineItems_912CE5A69D5107FC912AC722890635F7" xlink:to="loc_cpn_DerivativeCollateralRightToReclaimCashNet_CB0A4FFD3126B58E6941C72289073991" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_DerivativeAssetFairValueAmountOffsetAgainstCollateralNetOfDerivativeLiabilityFairValueAmountOffsetAgainstCollateral" xlink:label="loc_cpn_DerivativeAssetFairValueAmountOffsetAgainstCollateralNetOfDerivativeLiabilityFairValueAmountOffsetAgainstCollateral_71460385B37DF77913D7C7228907AF12" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DerivativeInstrumentsSubjectToMasterNettingArrangementLineItems_912CE5A69D5107FC912AC722890635F7" xlink:to="loc_cpn_DerivativeAssetFairValueAmountOffsetAgainstCollateralNetOfDerivativeLiabilityFairValueAmountOffsetAgainstCollateral_71460385B37DF77913D7C7228907AF12" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/DerivativeInstrumentsDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_C6DEC97294888E26890AC722891A2D61" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_B862BE6057FAEB326805C722891A09D1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_C6DEC97294888E26890AC722891A2D61" xlink:to="loc_us-gaap_DerivativeTable_B862BE6057FAEB326805C722891A09D1" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_9038918FC6CEB9744868C722891A0333" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_B862BE6057FAEB326805C722891A09D1" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_9038918FC6CEB9744868C722891A0333" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_1C9434DC9037A762DFC1C722891A61D2_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_9038918FC6CEB9744868C722891A0333" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_1C9434DC9037A762DFC1C722891A61D2_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_1C9434DC9037A762DFC1C722891A61D2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_9038918FC6CEB9744868C722891A0333" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_1C9434DC9037A762DFC1C722891A61D2" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_PowerMember" xlink:label="loc_cpn_PowerMember_F6731B8CA6A6BBD4B4DDC722891A50E6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_1C9434DC9037A762DFC1C722891A61D2" xlink:to="loc_cpn_PowerMember_F6731B8CA6A6BBD4B4DDC722891A50E6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NaturalGasReservesMember" xlink:label="loc_us-gaap_NaturalGasReservesMember_2FB37A3CCFA91598C482C722891AA953" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_1C9434DC9037A762DFC1C722891A61D2" xlink:to="loc_us-gaap_NaturalGasReservesMember_2FB37A3CCFA91598C482C722891AA953" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_EnvironmentalCreditsMember" xlink:label="loc_cpn_EnvironmentalCreditsMember_A17063F470A3FC293186C722891A320E" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_1C9434DC9037A762DFC1C722891A61D2" xlink:to="loc_cpn_EnvironmentalCreditsMember_A17063F470A3FC293186C722891A320E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_DF7A9D1BAD714515392BC722891A7BFB" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_1C9434DC9037A762DFC1C722891A61D2" xlink:to="loc_us-gaap_InterestRateSwapMember_DF7A9D1BAD714515392BC722891A7BFB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure" xlink:label="loc_us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure_FEB4A507277A355140B9C722891A4892" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_C6DEC97294888E26890AC722891A2D61" xlink:to="loc_us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure_FEB4A507277A355140B9C722891A4892" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeNonmonetaryNotionalAmountMass" xlink:label="loc_us-gaap_DerivativeNonmonetaryNotionalAmountMass_EEADC350C59C8CE23D5FC722891A9CF1" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_C6DEC97294888E26890AC722891A2D61" xlink:to="loc_us-gaap_DerivativeNonmonetaryNotionalAmountMass_EEADC350C59C8CE23D5FC722891A9CF1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_3CB713E525AA8DFD9B64C722891AEFA0" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_C6DEC97294888E26890AC722891A2D61" xlink:to="loc_invest_DerivativeNotionalAmount_3CB713E525AA8DFD9B64C722891AEFA0" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/DerivativeInstrumentsDetails2Details" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_94C8F084AEA29ED2F37AC722891632ED" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_5D2D2B5E1A239C0BB6BBC722891543F1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_94C8F084AEA29ED2F37AC722891632ED" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_5D2D2B5E1A239C0BB6BBC722891543F1" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_436B1011F5EE686AF417C7228915EA2F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_5D2D2B5E1A239C0BB6BBC722891543F1" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_436B1011F5EE686AF417C7228915EA2F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_F4574C9CD91F7AE0D538C72289154884_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_436B1011F5EE686AF417C7228915EA2F" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_F4574C9CD91F7AE0D538C72289154884_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_F4574C9CD91F7AE0D538C72289154884" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_436B1011F5EE686AF417C7228915EA2F" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_F4574C9CD91F7AE0D538C72289154884" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EnergyRelatedDerivativeMember" xlink:label="loc_us-gaap_EnergyRelatedDerivativeMember_F8BBF8DE1D73C4367FA6C7228915E5B2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_F4574C9CD91F7AE0D538C72289154884" xlink:to="loc_us-gaap_EnergyRelatedDerivativeMember_F8BBF8DE1D73C4367FA6C7228915E5B2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_3382692B477947430A3AC7228915DD4A" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_F4574C9CD91F7AE0D538C72289154884" xlink:to="loc_us-gaap_InterestRateSwapMember_3382692B477947430A3AC7228915DD4A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_B583183F5A2D84570CC9C7228915D32B" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_5D2D2B5E1A239C0BB6BBC722891543F1" xlink:to="loc_us-gaap_HedgingDesignationAxis_B583183F5A2D84570CC9C7228915D32B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_FBA5B277B2F8BA164D4CC72289155E7D_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_B583183F5A2D84570CC9C7228915D32B" xlink:to="loc_us-gaap_HedgingDesignationDomain_FBA5B277B2F8BA164D4CC72289155E7D_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_FBA5B277B2F8BA164D4CC72289155E7D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_B583183F5A2D84570CC9C7228915D32B" xlink:to="loc_us-gaap_HedgingDesignationDomain_FBA5B277B2F8BA164D4CC72289155E7D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_27AFA89E36806C040BE1C72289165881" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_FBA5B277B2F8BA164D4CC72289155E7D" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_27AFA89E36806C040BE1C72289165881" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_F0EDBC0E2C164B67E6F0C7228916902A" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_FBA5B277B2F8BA164D4CC72289155E7D" xlink:to="loc_us-gaap_NondesignatedMember_F0EDBC0E2C164B67E6F0C7228916902A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeAssetsCurrent" xlink:label="loc_us-gaap_DerivativeAssetsCurrent_C0F06AB9ED64067EA1E0C7228916BDC7" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_94C8F084AEA29ED2F37AC722891632ED" xlink:to="loc_us-gaap_DerivativeAssetsCurrent_C0F06AB9ED64067EA1E0C7228916BDC7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedges" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedges_16EB884E3419EB2E9692C7228916C21A" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_94C8F084AEA29ED2F37AC722891632ED" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedges_16EB884E3419EB2E9692C7228916C21A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeAssetsNoncurrent" xlink:label="loc_us-gaap_DerivativeAssetsNoncurrent_98A27CAA00AE97B123FDC7228916C338" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_94C8F084AEA29ED2F37AC722891632ED" xlink:to="loc_us-gaap_DerivativeAssetsNoncurrent_98A27CAA00AE97B123FDC7228916C338" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesNoncurrent" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgesNoncurrent_B49CBC44B5A16070CD52C72289166355" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_94C8F084AEA29ED2F37AC722891632ED" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgesNoncurrent_B49CBC44B5A16070CD52C72289166355" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_897CE2193737DDD65612C7228916789A" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_94C8F084AEA29ED2F37AC722891632ED" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_897CE2193737DDD65612C7228916789A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeLiabilitiesCurrent" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_76E017F6DEA2FFCCAFD2C72289165099" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_94C8F084AEA29ED2F37AC722891632ED" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_76E017F6DEA2FFCCAFD2C72289165099" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesLiabilities" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilities_C32B7C8B47FE162B045DC72289168C6E" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_94C8F084AEA29ED2F37AC722891632ED" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilities_C32B7C8B47FE162B045DC72289168C6E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_3CAFB69FADE22E8FD5F1C7228916DCDF" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_94C8F084AEA29ED2F37AC722891632ED" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_3CAFB69FADE22E8FD5F1C7228916DCDF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent_6C669C958DDE13145A23C72289166545" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_94C8F084AEA29ED2F37AC722891632ED" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent_6C669C958DDE13145A23C72289166545" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_6BBA7A2A133A7F9C805EC7228916383E" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_94C8F084AEA29ED2F37AC722891632ED" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_6BBA7A2A133A7F9C805EC7228916383E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeNet" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_40A617EB3224F0DDCA5BC7228916C19D" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_94C8F084AEA29ED2F37AC722891632ED" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeNet_40A617EB3224F0DDCA5BC7228916C19D" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/DerivativeInstrumentsDetails3Details" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_19B3D3FD45E59217C874C722890F7C41" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_2EBCBF64D2CFA8654AA4C722890F11BD" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_19B3D3FD45E59217C874C722890F7C41" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_2EBCBF64D2CFA8654AA4C722890F11BD" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_F0197F64673E91AD3DDDC722890F9354" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_2EBCBF64D2CFA8654AA4C722890F11BD" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_F0197F64673E91AD3DDDC722890F9354" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_1A3DA838AFAF39CAAB91C722890F682B_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_F0197F64673E91AD3DDDC722890F9354" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_1A3DA838AFAF39CAAB91C722890F682B_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_1A3DA838AFAF39CAAB91C722890F682B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_F0197F64673E91AD3DDDC722890F9354" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_1A3DA838AFAF39CAAB91C722890F682B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EnergyRelatedDerivativeMember" xlink:label="loc_us-gaap_EnergyRelatedDerivativeMember_8BDE0A495C4DD7326AAAC722890FB1BA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_1A3DA838AFAF39CAAB91C722890F682B" xlink:to="loc_us-gaap_EnergyRelatedDerivativeMember_8BDE0A495C4DD7326AAAC722890FB1BA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_A8A2CCBECFE92703D28FC722890F70B7" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_1A3DA838AFAF39CAAB91C722890F682B" xlink:to="loc_us-gaap_InterestRateSwapMember_A8A2CCBECFE92703D28FC722890F70B7" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_PowerMember" xlink:label="loc_cpn_PowerMember_1F931D0F10B1CDFD7F52C722890F78AA" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_1A3DA838AFAF39CAAB91C722890F682B" xlink:to="loc_cpn_PowerMember_1F931D0F10B1CDFD7F52C722890F78AA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NaturalGasReservesMember" xlink:label="loc_us-gaap_NaturalGasReservesMember_A0EBD2AB0895269E4DCEC722890FDDB1" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_1A3DA838AFAF39CAAB91C722890F682B" xlink:to="loc_us-gaap_NaturalGasReservesMember_A0EBD2AB0895269E4DCEC722890FDDB1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnSaleOfDerivatives" xlink:label="loc_us-gaap_GainLossOnSaleOfDerivatives_1076AB11AE6D553E2311C722890F59A9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_19B3D3FD45E59217C874C722890F7C41" xlink:to="loc_us-gaap_GainLossOnSaleOfDerivatives_1076AB11AE6D553E2311C722890F59A9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivatives" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_A7EC1A22CFD30B716120C722890F09B4" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_19B3D3FD45E59217C874C722890F7C41" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_A7EC1A22CFD30B716120C722890F09B4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_666A6C77F7381183CBF9C722890F2EC7" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_19B3D3FD45E59217C874C722890F7C41" xlink:to="loc_us-gaap_Revenues_666A6C77F7381183CBF9C722890F2EC7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="loc_us-gaap_CostOfRevenue_FF6521390DCA01F19BEBC722890F8E1A" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_19B3D3FD45E59217C874C722890F7C41" xlink:to="loc_us-gaap_CostOfRevenue_FF6521390DCA01F19BEBC722890F8E1A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_913612F40620B8A4306BC72289104D0E" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_19B3D3FD45E59217C874C722890F7C41" xlink:to="loc_us-gaap_InterestExpense_913612F40620B8A4306BC72289104D0E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:label="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_73380BDCA5CDA411EA20C722891058B4" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_19B3D3FD45E59217C874C722890F7C41" xlink:to="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_73380BDCA5CDA411EA20C722891058B4" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/DerivativeInstrumentsDetails4Details" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_3FFF92414171D2F5FA0EC722890BF6D0" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_A9FD728B9D3C67A7E84BC722890A7F65" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_3FFF92414171D2F5FA0EC722890BF6D0" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_A9FD728B9D3C67A7E84BC722890A7F65" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_E37602D563CB04387957C722890AF858" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_A9FD728B9D3C67A7E84BC722890A7F65" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_E37602D563CB04387957C722890AF858" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_ED608FB53037C24E5AF3C722890A0E6A_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_E37602D563CB04387957C722890AF858" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_ED608FB53037C24E5AF3C722890A0E6A_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_ED608FB53037C24E5AF3C722890A0E6A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_E37602D563CB04387957C722890AF858" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_ED608FB53037C24E5AF3C722890A0E6A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_63682997B3F54F24A313C722890B1EAF" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_ED608FB53037C24E5AF3C722890A0E6A" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_63682997B3F54F24A313C722890B1EAF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_283BC1DF40469C19FCFCC722890B68AE" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_A9FD728B9D3C67A7E84BC722890A7F65" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_283BC1DF40469C19FCFCC722890B68AE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_34EE6B4248ABEAAB10AFC722890B1E09_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_283BC1DF40469C19FCFCC722890B68AE" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_34EE6B4248ABEAAB10AFC722890B1E09_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_34EE6B4248ABEAAB10AFC722890B1E09" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_283BC1DF40469C19FCFCC722890B68AE" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_34EE6B4248ABEAAB10AFC722890B1E09" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_3AE868C92BA96B707253C722890B704C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_34EE6B4248ABEAAB10AFC722890B1E09" xlink:to="loc_us-gaap_InterestRateSwapMember_3AE868C92BA96B707253C722890B704C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_D7F070774396B64709DCC722890B0C34" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_3FFF92414171D2F5FA0EC722890BF6D0" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_D7F070774396B64709DCC722890B0C34" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_ACA5587C21CA4B4A3816C722890B95ED" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_3FFF92414171D2F5FA0EC722890BF6D0" xlink:to="loc_us-gaap_InterestExpense_ACA5587C21CA4B4A3816C722890B95ED" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/DerivativeInstrumentsTables" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/DerivativeInstrumentsTextualsDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_205CA7EF1FF4A542635CC722890081BA" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_4A4167E639A19D7CFB79C7228900FD2A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_205CA7EF1FF4A542635CC722890081BA" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_4A4167E639A19D7CFB79C7228900FD2A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_6EE708C47F171717C5DBC7228900C454" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_4A4167E639A19D7CFB79C7228900FD2A" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_6EE708C47F171717C5DBC7228900C454" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_41A79BB78908A952A5B9C7228900A992_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_6EE708C47F171717C5DBC7228900C454" xlink:to="loc_us-gaap_EquityComponentDomain_41A79BB78908A952A5B9C7228900A992_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_41A79BB78908A952A5B9C7228900A992" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_6EE708C47F171717C5DBC7228900C454" xlink:to="loc_us-gaap_EquityComponentDomain_41A79BB78908A952A5B9C7228900A992" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ParentMember" xlink:label="loc_us-gaap_ParentMember_702A2F93479F0F9C30D8C7228900EF8E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_41A79BB78908A952A5B9C7228900A992" xlink:to="loc_us-gaap_ParentMember_702A2F93479F0F9C30D8C7228900EF8E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_4FFB6BCCB3FE7DBA2CF7C722890052DD" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_41A79BB78908A952A5B9C7228900A992" xlink:to="loc_us-gaap_NoncontrollingInterestMember_4FFB6BCCB3FE7DBA2CF7C722890052DD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_566BBB016D6D80C7EC10C72289004C16" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_4A4167E639A19D7CFB79C7228900FD2A" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_566BBB016D6D80C7EC10C72289004C16" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_D4C57F813161BFDD75DBC7228900E7B7_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_566BBB016D6D80C7EC10C72289004C16" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_D4C57F813161BFDD75DBC7228900E7B7_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_D4C57F813161BFDD75DBC7228900E7B7" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_566BBB016D6D80C7EC10C72289004C16" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_D4C57F813161BFDD75DBC7228900E7B7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge1" xlink:label="loc_us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge1_76304FCD310E67F32097C7228900706A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_205CA7EF1FF4A542635CC722890081BA" xlink:to="loc_us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge1_76304FCD310E67F32097C7228900706A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeNetLiabilityPositionAggregateFairValue" xlink:label="loc_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue_0226728B583A9D45E0D1C7228900FBF0" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_205CA7EF1FF4A542635CC722890081BA" xlink:to="loc_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue_0226728B583A9D45E0D1C7228900FBF0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CollateralAlreadyPostedAggregateFairValue" xlink:label="loc_us-gaap_CollateralAlreadyPostedAggregateFairValue_B340DD001C21E5C6B3E5C72289000B32" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_205CA7EF1FF4A542635CC722890081BA" xlink:to="loc_us-gaap_CollateralAlreadyPostedAggregateFairValue_B340DD001C21E5C6B3E5C72289000B32" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdditionalCollateralAggregateFairValue" xlink:label="loc_us-gaap_AdditionalCollateralAggregateFairValue_ED2BB78530B7B1D335F2C7228900C590" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_205CA7EF1FF4A542635CC722890081BA" xlink:to="loc_us-gaap_AdditionalCollateralAggregateFairValue_ED2BB78530B7B1D335F2C7228900C590" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_9373D826855A5337DAA3C7228900193D" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_205CA7EF1FF4A542635CC722890081BA" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_9373D826855A5337DAA3C7228900193D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax_541DAECCFAD113FC31DEC7228901870F" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_205CA7EF1FF4A542635CC722890081BA" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax_541DAECCFAD113FC31DEC7228901870F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet" xlink:label="loc_us-gaap_GainLossOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet_D5BF546DD8EA11795270C7228901CDB0" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_205CA7EF1FF4A542635CC722890081BA" xlink:to="loc_us-gaap_GainLossOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet_D5BF546DD8EA11795270C7228901CDB0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths" xlink:label="loc_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths_23BABE7C20A54895DD4CC722890161F5" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_205CA7EF1FF4A542635CC722890081BA" xlink:to="loc_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths_23BABE7C20A54895DD4CC722890161F5" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/DocumentAndEntityInformationCover" xlink:type="extended">
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityInformationLineItems" xlink:label="loc_dei_EntityInformationLineItems_58BC7F0DC6BCAA154E79C7228A0077EB" xlink:type="locator"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntitiesTable" xlink:label="loc_dei_EntitiesTable_60472CBD0AFF6A437DBCC72289FFF3F4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_EntityInformationLineItems_58BC7F0DC6BCAA154E79C7228A0077EB" xlink:to="loc_dei_EntitiesTable_60472CBD0AFF6A437DBCC72289FFF3F4" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_C92C2F8CC5FFD0F4AB15C72289FFF2BC" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_EntitiesTable_60472CBD0AFF6A437DBCC72289FFF3F4" xlink:to="loc_dei_LegalEntityAxis_C92C2F8CC5FFD0F4AB15C72289FFF2BC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_778B1CDC43E2D5A3A41BC7228A00BF13_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_C92C2F8CC5FFD0F4AB15C72289FFF2BC" xlink:to="loc_dei_EntityDomain_778B1CDC43E2D5A3A41BC7228A00BF13_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_778B1CDC43E2D5A3A41BC7228A00BF13" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_C92C2F8CC5FFD0F4AB15C72289FFF2BC" xlink:to="loc_dei_EntityDomain_778B1CDC43E2D5A3A41BC7228A00BF13" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_0C7AF774F7F6489ABA2AC7228A004C4B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_58BC7F0DC6BCAA154E79C7228A0077EB" xlink:to="loc_dei_EntityRegistrantName_0C7AF774F7F6489ABA2AC7228A004C4B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_931E97A56B49C0C022F5C7228A005FF9" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_58BC7F0DC6BCAA154E79C7228A0077EB" xlink:to="loc_dei_EntityCentralIndexKey_931E97A56B49C0C022F5C7228A005FF9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_2A7CAC2EBFAE2500B36FC7228A008A91" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_58BC7F0DC6BCAA154E79C7228A0077EB" xlink:to="loc_dei_CurrentFiscalYearEndDate_2A7CAC2EBFAE2500B36FC7228A008A91" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_A03C212F6984926F142FC7228A00E7C3" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_58BC7F0DC6BCAA154E79C7228A0077EB" xlink:to="loc_dei_EntityFilerCategory_A03C212F6984926F142FC7228A00E7C3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_2D8E00482762EFF2E66CC7228A003C08" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_58BC7F0DC6BCAA154E79C7228A0077EB" xlink:to="loc_dei_DocumentType_2D8E00482762EFF2E66CC7228A003C08" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_2FD01839158E421CF3F9C7228A00A9AB" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_58BC7F0DC6BCAA154E79C7228A0077EB" xlink:to="loc_dei_DocumentPeriodEndDate_2FD01839158E421CF3F9C7228A00A9AB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_9DE955DCA06CB4A0B258C7228A009859" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_58BC7F0DC6BCAA154E79C7228A0077EB" xlink:to="loc_dei_DocumentFiscalYearFocus_9DE955DCA06CB4A0B258C7228A009859" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_D6554F60759AB73143EAC7228A0029DF" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_58BC7F0DC6BCAA154E79C7228A0077EB" xlink:to="loc_dei_DocumentFiscalPeriodFocus_D6554F60759AB73143EAC7228A0029DF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_4FF285FFB8800BF42B46C7228A00F22E" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_58BC7F0DC6BCAA154E79C7228A0077EB" xlink:to="loc_dei_AmendmentFlag_4FF285FFB8800BF42B46C7228A00F22E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_6235B85E0F5CB79BB39CC7228A002C5A" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_58BC7F0DC6BCAA154E79C7228A0077EB" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_6235B85E0F5CB79BB39CC7228A002C5A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_87D5804232211976C4D9C7228A0022C4" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_58BC7F0DC6BCAA154E79C7228A0077EB" xlink:to="loc_dei_EntityWellKnownSeasonedIssuer_87D5804232211976C4D9C7228A0022C4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="loc_dei_EntityVoluntaryFilers_598C349A7044FA337FECC7228A00F71A" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_58BC7F0DC6BCAA154E79C7228A0077EB" xlink:to="loc_dei_EntityVoluntaryFilers_598C349A7044FA337FECC7228A00F71A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus_20CE7F88D27FEE733D48C7228A003091" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_58BC7F0DC6BCAA154E79C7228A0077EB" xlink:to="loc_dei_EntityCurrentReportingStatus_20CE7F88D27FEE733D48C7228A003091" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityPublicFloat" xlink:label="loc_dei_EntityPublicFloat_5383AED09CCA2875B954C7228A00A4CE" xlink:type="locator"/>
<definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_58BC7F0DC6BCAA154E79C7228A0077EB" xlink:to="loc_dei_EntityPublicFloat_5383AED09CCA2875B954C7228A00A4CE" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/EarningsLossPerShare" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/EarningsLossPerShareDetails" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/EarningsLossPerShareTables" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/IncomeTaxes" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/IncomeTaxesComponentsOfIncomeTaxExpenseBenefitDetails" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/IncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/IncomeTaxesEffectiveIncomeTaxExpenseBenefitRateDetails" xlink:type="extended">
<loc xlink:href="cpn-20151231.xsd#cpn_IncomeTaxLineItems" xlink:label="loc_cpn_IncomeTaxLineItems_F1234F04B13A26C3B6BBC72288E6AB6C" xlink:type="locator"/>
<loc xlink:href="cpn-20151231.xsd#cpn_IncomeTaxTable" xlink:label="loc_cpn_IncomeTaxTable_744D796C94ACCC31A960C72288E6FD06" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_cpn_IncomeTaxLineItems_F1234F04B13A26C3B6BBC72288E6AB6C" xlink:to="loc_cpn_IncomeTaxTable_744D796C94ACCC31A960C72288E6FD06" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="cpn-20151231.xsd#cpn_EffectiveIncomeTaxRateReconciliationAxis" xlink:label="loc_cpn_EffectiveIncomeTaxRateReconciliationAxis_14D8BC71F7A0F9FE51E8C72288E67F56" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_IncomeTaxTable_744D796C94ACCC31A960C72288E6FD06" xlink:to="loc_cpn_EffectiveIncomeTaxRateReconciliationAxis_14D8BC71F7A0F9FE51E8C72288E67F56" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_EffectiveIncomeTaxRateReconciliationDomain" xlink:label="loc_cpn_EffectiveIncomeTaxRateReconciliationDomain_F8A242B6B0B6C97260B9C72288E6D8DD_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_cpn_EffectiveIncomeTaxRateReconciliationAxis_14D8BC71F7A0F9FE51E8C72288E67F56" xlink:to="loc_cpn_EffectiveIncomeTaxRateReconciliationDomain_F8A242B6B0B6C97260B9C72288E6D8DD_default" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_EffectiveIncomeTaxRateReconciliationDomain" xlink:label="loc_cpn_EffectiveIncomeTaxRateReconciliationDomain_F8A242B6B0B6C97260B9C72288E6D8DD" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_cpn_EffectiveIncomeTaxRateReconciliationAxis_14D8BC71F7A0F9FE51E8C72288E67F56" xlink:to="loc_cpn_EffectiveIncomeTaxRateReconciliationDomain_F8A242B6B0B6C97260B9C72288E6D8DD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_6F924DA655BAA2AB1EB1C72288E6D0DA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_F1234F04B13A26C3B6BBC72288E6AB6C" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_6F924DA655BAA2AB1EB1C72288E6D0DA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_7FC234AC770D4279A7A7C72288E674C2" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_F1234F04B13A26C3B6BBC72288E6AB6C" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_7FC234AC770D4279A7A7C72288E674C2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepletion" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepletion_EDF4B286E3BECBC01BAAC72288E62FFD" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_F1234F04B13A26C3B6BBC72288E6AB6C" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepletion_EDF4B286E3BECBC01BAAC72288E62FFD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_C4B283CE88919090D7D8C72288E6A589" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_F1234F04B13A26C3B6BBC72288E6AB6C" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_C4B283CE88919090D7D8C72288E6A589" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowanceDueToForeignTaxes" xlink:label="loc_cpn_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowanceDueToForeignTaxes_505D96D862993D3E67A0C72288E7ACEA" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_F1234F04B13A26C3B6BBC72288E6AB6C" xlink:to="loc_cpn_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowanceDueToForeignTaxes_505D96D862993D3E67A0C72288E7ACEA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_6CBF0D59AB4D4429664FC72288E7E1AE" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_F1234F04B13A26C3B6BBC72288E6AB6C" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_6CBF0D59AB4D4429664FC72288E7E1AE" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_EffectiveIncomeTaxRateReconciliationIntraperiodAllocation" xlink:label="loc_cpn_EffectiveIncomeTaxRateReconciliationIntraperiodAllocation_CEB4E825B956CC74F16EC72288E7A222" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_F1234F04B13A26C3B6BBC72288E6AB6C" xlink:to="loc_cpn_EffectiveIncomeTaxRateReconciliationIntraperiodAllocation_CEB4E825B956CC74F16EC72288E7A222" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_EffectiveIncomeTaxRateReconciliationChangeInUnrecognizedTaxBenefits" xlink:label="loc_cpn_EffectiveIncomeTaxRateReconciliationChangeInUnrecognizedTaxBenefits_D6037077BF7D9F6120C7C72288E760E4" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_F1234F04B13A26C3B6BBC72288E6AB6C" xlink:to="loc_cpn_EffectiveIncomeTaxRateReconciliationChangeInUnrecognizedTaxBenefits_D6037077BF7D9F6120C7C72288E760E4" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDisallowedCompensation" xlink:label="loc_cpn_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDisallowedCompensation_24D64087917F817BB431C72288E7D167" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_F1234F04B13A26C3B6BBC72288E6AB6C" xlink:to="loc_cpn_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDisallowedCompensation_24D64087917F817BB431C72288E7D167" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_53E6CBEFDD6E6AAA2A23C72288E7BA97" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_F1234F04B13A26C3B6BBC72288E6AB6C" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_53E6CBEFDD6E6AAA2A23C72288E7BA97" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_A2603BB5BC4C9836A8D9C72288E7DB88" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_F1234F04B13A26C3B6BBC72288E6AB6C" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_A2603BB5BC4C9836A8D9C72288E7DB88" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_4885A698031C9B94F40EC72288E757EB" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_F1234F04B13A26C3B6BBC72288E6AB6C" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_4885A698031C9B94F40EC72288E757EB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_4E479A7DB83917ADF875C72288E7DA44" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_F1234F04B13A26C3B6BBC72288E6AB6C" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_4E479A7DB83917ADF875C72288E7DA44" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/IncomeTaxesIncomeTaxContingenciesDetails" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/IncomeTaxesIncomeTaxExpenseBenefitDetails" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/IncomeTaxesIncomeTaxesTables" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/IncomeTaxesTextualsDetails" xlink:type="extended">
<loc xlink:href="cpn-20151231.xsd#cpn_IntraperiodIncomeTaxLineItems" xlink:label="loc_cpn_IntraperiodIncomeTaxLineItems_7FF9149A96484179CFA8C72288D8EF68" xlink:type="locator"/>
<loc xlink:href="cpn-20151231.xsd#cpn_IncomeTaxTable" xlink:label="loc_cpn_IncomeTaxTable_6542843561EB6130474EC72288D7697F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_cpn_IntraperiodIncomeTaxLineItems_7FF9149A96484179CFA8C72288D8EF68" xlink:to="loc_cpn_IncomeTaxTable_6542843561EB6130474EC72288D7697F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_C34EF8CA55050A92502AC72288D7BED6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_IncomeTaxTable_6542843561EB6130474EC72288D7697F" xlink:to="loc_us-gaap_RangeAxis_C34EF8CA55050A92502AC72288D7BED6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_02FDEADAC57BB4A560D3C72288D71E2B_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_C34EF8CA55050A92502AC72288D7BED6" xlink:to="loc_us-gaap_RangeMember_02FDEADAC57BB4A560D3C72288D71E2B_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_02FDEADAC57BB4A560D3C72288D71E2B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_C34EF8CA55050A92502AC72288D7BED6" xlink:to="loc_us-gaap_RangeMember_02FDEADAC57BB4A560D3C72288D71E2B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_BE13EAC866BD436E8AFCC72288D70E6E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_02FDEADAC57BB4A560D3C72288D71E2B" xlink:to="loc_us-gaap_MinimumMember_BE13EAC866BD436E8AFCC72288D70E6E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_56827968D1E9F37E9EBFC72288D76FC6" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_02FDEADAC57BB4A560D3C72288D71E2B" xlink:to="loc_us-gaap_MaximumMember_56827968D1E9F37E9EBFC72288D76FC6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TaxPeriodAxis" xlink:label="loc_us-gaap_TaxPeriodAxis_50F51AC1839B4E661846C72288D7290B" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_IncomeTaxTable_6542843561EB6130474EC72288D7697F" xlink:to="loc_us-gaap_TaxPeriodAxis_50F51AC1839B4E661846C72288D7290B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TaxPeriodDomain" xlink:label="loc_us-gaap_TaxPeriodDomain_3D8CA82D5C55ACA0B5D3C72288D719B5_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TaxPeriodAxis_50F51AC1839B4E661846C72288D7290B" xlink:to="loc_us-gaap_TaxPeriodDomain_3D8CA82D5C55ACA0B5D3C72288D719B5_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TaxPeriodDomain" xlink:label="loc_us-gaap_TaxPeriodDomain_3D8CA82D5C55ACA0B5D3C72288D719B5" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TaxPeriodAxis_50F51AC1839B4E661846C72288D7290B" xlink:to="loc_us-gaap_TaxPeriodDomain_3D8CA82D5C55ACA0B5D3C72288D719B5" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_Expirationdate2024through2033Member" xlink:label="loc_cpn_Expirationdate2024through2033Member_5533ED79397977429B90C72288D78C55" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TaxPeriodDomain_3D8CA82D5C55ACA0B5D3C72288D719B5" xlink:to="loc_cpn_Expirationdate2024through2033Member_5533ED79397977429B90C72288D78C55" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_Expirationdate2016through2035Member" xlink:label="loc_cpn_Expirationdate2016through2035Member_0AACDB1FBF275A579EFEC72288D7E21B" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TaxPeriodDomain_3D8CA82D5C55ACA0B5D3C72288D719B5" xlink:to="loc_cpn_Expirationdate2016through2035Member_0AACDB1FBF275A579EFEC72288D7E21B" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_Expirationdate2026through2035Member" xlink:label="loc_cpn_Expirationdate2026through2035Member_477E60D8D3CEE078FD31C72288D7272A" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TaxPeriodDomain_3D8CA82D5C55ACA0B5D3C72288D719B5" xlink:to="loc_cpn_Expirationdate2026through2035Member_477E60D8D3CEE078FD31C72288D7272A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_9809A0B4C1D6372500EFC72288D794EA" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_IncomeTaxTable_6542843561EB6130474EC72288D7697F" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_9809A0B4C1D6372500EFC72288D794EA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_8B66CC0ED40C8CB7A293C72288D73A83_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_9809A0B4C1D6372500EFC72288D794EA" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_8B66CC0ED40C8CB7A293C72288D73A83_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_8B66CC0ED40C8CB7A293C72288D73A83" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_9809A0B4C1D6372500EFC72288D794EA" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_8B66CC0ED40C8CB7A293C72288D73A83" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_FederalDomain" xlink:label="loc_cpn_FederalDomain_806B2ACB7E39D4CDC428C72288D8B772" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_8B66CC0ED40C8CB7A293C72288D73A83" xlink:to="loc_cpn_FederalDomain_806B2ACB7E39D4CDC428C72288D8B772" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StateAndLocalJurisdictionMember" xlink:label="loc_us-gaap_StateAndLocalJurisdictionMember_E07E6D6A8D6F6642CBC3C72288D8E1F1" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_8B66CC0ED40C8CB7A293C72288D73A83" xlink:to="loc_us-gaap_StateAndLocalJurisdictionMember_E07E6D6A8D6F6642CBC3C72288D8E1F1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_A868A094EE41BEA54DE8C72288D8943D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IntraperiodIncomeTaxLineItems_7FF9149A96484179CFA8C72288D8EF68" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_A868A094EE41BEA54DE8C72288D8943D" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_NumberofStatesforNOLCarryforwards" xlink:label="loc_cpn_NumberofStatesforNOLCarryforwards_45F21CAFDA1BF39B12C3C72288D8C4F5" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IntraperiodIncomeTaxLineItems_7FF9149A96484179CFA8C72288D8EF68" xlink:to="loc_cpn_NumberofStatesforNOLCarryforwards_45F21CAFDA1BF39B12C3C72288D8C4F5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_FDBBECF199C80B1EA719C72288D87108" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IntraperiodIncomeTaxLineItems_7FF9149A96484179CFA8C72288D8EF68" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_FDBBECF199C80B1EA719C72288D87108" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_IncomeTaxDisclosureTextualsAbstract" xlink:label="loc_cpn_IncomeTaxDisclosureTextualsAbstract_1231C1A573FB2FD20C57C72288D8C79E" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IntraperiodIncomeTaxLineItems_7FF9149A96484179CFA8C72288D8EF68" xlink:to="loc_cpn_IncomeTaxDisclosureTextualsAbstract_1231C1A573FB2FD20C57C72288D8C79E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_95DD2E16E5FBD1BDB6ECC72288D8FCCB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_1231C1A573FB2FD20C57C72288D8C79E" xlink:to="loc_us-gaap_UnrecognizedTaxBenefits_95DD2E16E5FBD1BDB6ECC72288D8FCCB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_23E282B2D9A7C05451EFC72288D8C81E" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_1231C1A573FB2FD20C57C72288D8C79E" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_23E282B2D9A7C05451EFC72288D8C81E" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_UnrecognizedTaxBenefitRelatedtoDeferredTaxAsset" xlink:label="loc_cpn_UnrecognizedTaxBenefitRelatedtoDeferredTaxAsset_A463AD0CF099DDB3F881C72288D8F963" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_1231C1A573FB2FD20C57C72288D8C79E" xlink:to="loc_cpn_UnrecognizedTaxBenefitRelatedtoDeferredTaxAsset_A463AD0CF099DDB3F881C72288D8F963" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_087B2F6666C155C27A2DC72288D8858C" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_1231C1A573FB2FD20C57C72288D8C79E" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_087B2F6666C155C27A2DC72288D8858C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_3AF859F15DEF5CBF7F06C72288D82D5C" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_1231C1A573FB2FD20C57C72288D8C79E" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_3AF859F15DEF5CBF7F06C72288D82D5C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_0B082BC0F607ECA70B36C72288D881B7" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_1231C1A573FB2FD20C57C72288D8C79E" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_0B082BC0F607ECA70B36C72288D881B7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:label="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_E454E374BBD7254D3AD1C72288D87EB1" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_1231C1A573FB2FD20C57C72288D8C79E" xlink:to="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_E454E374BBD7254D3AD1C72288D87EB1" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ReorganizationValuationAllowanceReleaseAgainstNetOperatingLosses" xlink:label="loc_cpn_ReorganizationValuationAllowanceReleaseAgainstNetOperatingLosses_6474EC51F80BD2DFB2C7C72288D8CB31" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_1231C1A573FB2FD20C57C72288D8C79E" xlink:to="loc_cpn_ReorganizationValuationAllowanceReleaseAgainstNetOperatingLosses_6474EC51F80BD2DFB2C7C72288D8CB31" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal_79DA8997B2B862098C55C72288D8CB4E" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_1231C1A573FB2FD20C57C72288D8C79E" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal_79DA8997B2B862098C55C72288D8CB4E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign_5CF25EA7EE8C675C045AC72288D8C3C1" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_1231C1A573FB2FD20C57C72288D8C79E" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign_5CF25EA7EE8C675C045AC72288D8C3C1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_6D76F0269B473D489A77C72288D91208" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_1231C1A573FB2FD20C57C72288D8C79E" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_6D76F0269B473D489A77C72288D91208" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible" xlink:label="loc_us-gaap_DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible_4086CBDE655240D24424C72288D996B7" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IntraperiodIncomeTaxLineItems_7FF9149A96484179CFA8C72288D8EF68" xlink:to="loc_us-gaap_DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible_4086CBDE655240D24424C72288D996B7" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/OrganizationAndOperations" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/PropertyPlantAndEquipmentNet" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/PropertyPlantAndEquipmentNetDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_19AED8BB8CF8FA600733C722899AD8D3" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_96F4349EDA31C2E0AFC3C722899974B3" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_19AED8BB8CF8FA600733C722899AD8D3" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_96F4349EDA31C2E0AFC3C722899974B3" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_33ED70BF9DD025016848C72289992136" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_96F4349EDA31C2E0AFC3C722899974B3" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_33ED70BF9DD025016848C72289992136" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_47A37DFB5D705D7AB271C7228999C147_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_33ED70BF9DD025016848C72289992136" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_47A37DFB5D705D7AB271C7228999C147_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_47A37DFB5D705D7AB271C7228999C147" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_33ED70BF9DD025016848C72289992136" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_47A37DFB5D705D7AB271C7228999C147" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_BuildingMachineryAndEquipmentGrossMember" xlink:label="loc_cpn_BuildingMachineryAndEquipmentGrossMember_B64009FB600138DF7962C72289997AD3" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_47A37DFB5D705D7AB271C7228999C147" xlink:to="loc_cpn_BuildingMachineryAndEquipmentGrossMember_B64009FB600138DF7962C72289997AD3" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GeothermalPropertiesGrossMember" xlink:label="loc_cpn_GeothermalPropertiesGrossMember_AEACA5472059F79E5B74C722899A11A1" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_47A37DFB5D705D7AB271C7228999C147" xlink:to="loc_cpn_GeothermalPropertiesGrossMember_AEACA5472059F79E5B74C722899A11A1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentOtherTypesMember" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentOtherTypesMember_94307057282F91E9BCBBC722899ADE64" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_47A37DFB5D705D7AB271C7228999C147" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentOtherTypesMember_94307057282F91E9BCBBC722899ADE64" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_9074681FD48E6C738903C722899A63DE" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_96F4349EDA31C2E0AFC3C722899974B3" xlink:to="loc_us-gaap_RangeAxis_9074681FD48E6C738903C722899A63DE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_CE99637292806DEDACA8C722899A4353_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_9074681FD48E6C738903C722899A63DE" xlink:to="loc_us-gaap_RangeMember_CE99637292806DEDACA8C722899A4353_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_CE99637292806DEDACA8C722899A4353" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_9074681FD48E6C738903C722899A63DE" xlink:to="loc_us-gaap_RangeMember_CE99637292806DEDACA8C722899A4353" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_A68E18FFB24DDD31E382C722899A1D5D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_CE99637292806DEDACA8C722899A4353" xlink:to="loc_us-gaap_MinimumMember_A68E18FFB24DDD31E382C722899A1D5D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_FFC62459905739536029C722899A4025" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_CE99637292806DEDACA8C722899A4353" xlink:to="loc_us-gaap_MaximumMember_FFC62459905739536029C722899A4025" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_BuildingsMachineryAndEquipmentGross" xlink:label="loc_cpn_BuildingsMachineryAndEquipmentGross_BF97B9D347C5BCF08454C722899A501A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_19AED8BB8CF8FA600733C722899AD8D3" xlink:to="loc_cpn_BuildingsMachineryAndEquipmentGross_BF97B9D347C5BCF08454C722899A501A" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GeothermalPropertiesGross" xlink:label="loc_cpn_GeothermalPropertiesGross_51823C9442DE8008CD84C722899A9EEC" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_19AED8BB8CF8FA600733C722899AD8D3" xlink:to="loc_cpn_GeothermalPropertiesGross_51823C9442DE8008CD84C722899A9EEC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentOther" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentOther_EE1747DB67F407278E68C722899A59F3" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_19AED8BB8CF8FA600733C722899AD8D3" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentOther_EE1747DB67F407278E68C722899A59F3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_6FBE609ADF437E25B03FC722899A4198" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_19AED8BB8CF8FA600733C722899AD8D3" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_6FBE609ADF437E25B03FC722899A4198" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_95B326CCF58B113D7360C722899A7579" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_19AED8BB8CF8FA600733C722899AD8D3" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_95B326CCF58B113D7360C722899A7579" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_PropertyPlantAndEquipmentGrossLessAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_cpn_PropertyPlantAndEquipmentGrossLessAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_430EA3F6CBB892FD2876C722899AA068" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_19AED8BB8CF8FA600733C722899AD8D3" xlink:to="loc_cpn_PropertyPlantAndEquipmentGrossLessAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_430EA3F6CBB892FD2876C722899AA068" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Land" xlink:label="loc_us-gaap_Land_FAEDA322E842AE0C0B0DC722899A6985" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_19AED8BB8CF8FA600733C722899AD8D3" xlink:to="loc_us-gaap_Land_FAEDA322E842AE0C0B0DC722899A6985" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConstructionInProgressGross" xlink:label="loc_us-gaap_ConstructionInProgressGross_CBDEB982872D9AF8E589C722899A3A5C" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_19AED8BB8CF8FA600733C722899AD8D3" xlink:to="loc_us-gaap_ConstructionInProgressGross_CBDEB982872D9AF8E589C722899A3A5C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_1DE5AF33CF0CD66CCCC0C722899A565D" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_19AED8BB8CF8FA600733C722899AD8D3" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_1DE5AF33CF0CD66CCCC0C722899A565D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_E4593F2F56801F30E815C722899A3847" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_19AED8BB8CF8FA600733C722899AD8D3" xlink:to="loc_us-gaap_Depreciation_E4593F2F56801F30E815C722899A3847" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_E453D617667538A43382C722899A8A4A" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_19AED8BB8CF8FA600733C722899AD8D3" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_E453D617667538A43382C722899A8A4A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestCostsCapitalized" xlink:label="loc_us-gaap_InterestCostsCapitalized_01B0C75CA34B5DDEEBE7C722899B0164" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_19AED8BB8CF8FA600733C722899AD8D3" xlink:to="loc_us-gaap_InterestCostsCapitalized_01B0C75CA34B5DDEEBE7C722899B0164" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/PropertyPlantAndEquipmentNetTables" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/QuarterlyConsolidatedFinancialDataUnaudited" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/QuarterlyConsolidatedFinancialDataUnauditedDetails" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/QuarterlyConsolidatedFinancialDataUnauditedTables" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/ScheduleOfValuationAndQualifyingAccountsDisclosure" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/ScheduleOfValuationAndQualifyingAccountsDisclosureDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_6E2FB07723589359EC11C722882A23CF" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:label="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_7F3B36B061A3411CEEFEC72288294211" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_6E2FB07723589359EC11C722882A23CF" xlink:to="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_7F3B36B061A3411CEEFEC72288294211" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_94C813A1CF63B5CE1D09C72288298834" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_7F3B36B061A3411CEEFEC72288294211" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_94C813A1CF63B5CE1D09C72288298834" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_EBA9FC9CF5C52BBAAD03C72288298423_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_94C813A1CF63B5CE1D09C72288298834" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDomain_EBA9FC9CF5C52BBAAD03C72288298423_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_EBA9FC9CF5C52BBAAD03C72288298423" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_94C813A1CF63B5CE1D09C72288298834" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDomain_EBA9FC9CF5C52BBAAD03C72288298423" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsMember" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsMember_4FEE9786E95AF9A7DBC1C72288298DC1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_EBA9FC9CF5C52BBAAD03C72288298423" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsMember_4FEE9786E95AF9A7DBC1C72288298DC1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember" xlink:label="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_8D432C805F4E69C57463C722882A3476" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_EBA9FC9CF5C52BBAAD03C72288298423" xlink:to="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_8D432C805F4E69C57463C722882A3476" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MovementInValuationAllowancesAndReservesRollForward" xlink:label="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_E6A87BFA8F604CEBC819C722882A98A6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_6E2FB07723589359EC11C722882A23CF" xlink:to="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_E6A87BFA8F604CEBC819C722882A98A6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesBalance_26E9868423AEF4F452BBC72288314E13" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_E6A87BFA8F604CEBC819C722882A98A6" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesBalance_26E9868423AEF4F452BBC72288314E13" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_D718AEB6CAA62C6F3FBEC72288316FC2" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_E6A87BFA8F604CEBC819C722882A98A6" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_D718AEB6CAA62C6F3FBEC72288316FC2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_E2FC6E2A4C9A0ACD0004C72288317063" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_E6A87BFA8F604CEBC819C722882A98A6" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_E2FC6E2A4C9A0ACD0004C72288317063" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDeductions" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDeductions_18580C1445177F14FD1CC72288315437" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_E6A87BFA8F604CEBC819C722882A98A6" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDeductions_18580C1445177F14FD1CC72288315437" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/SegmentAndSignificantCustomerInformation" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/SegmentAndSignificantCustomerInformationDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:label="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_9D88D1ADC382702BC960C7228848EC2C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_9D88D1ADC382702BC960C7228848EC2C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_us-gaap_ConsolidationItemsAxis_ADD332AC6FC27305D1DDC722884844A4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_9D88D1ADC382702BC960C7228848EC2C" xlink:to="loc_us-gaap_ConsolidationItemsAxis_ADD332AC6FC27305D1DDC722884844A4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_D76144E3F0BA6773DEF2C72288487428_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConsolidationItemsAxis_ADD332AC6FC27305D1DDC722884844A4" xlink:to="loc_us-gaap_ConsolidationItemsDomain_D76144E3F0BA6773DEF2C72288487428_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_D76144E3F0BA6773DEF2C72288487428" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConsolidationItemsAxis_ADD332AC6FC27305D1DDC722884844A4" xlink:to="loc_us-gaap_ConsolidationItemsDomain_D76144E3F0BA6773DEF2C72288487428" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_04371DB315B252B0B707C72288495F42" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_D76144E3F0BA6773DEF2C72288487428" xlink:to="loc_us-gaap_OperatingSegmentsMember_04371DB315B252B0B707C72288495F42" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IntersegmentEliminationMember" xlink:label="loc_us-gaap_IntersegmentEliminationMember_3325E8BD345F4B2DC6F8C7228849FDD5" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_D76144E3F0BA6773DEF2C72288487428" xlink:to="loc_us-gaap_IntersegmentEliminationMember_3325E8BD345F4B2DC6F8C7228849FDD5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MajorCustomersAxis" xlink:label="loc_us-gaap_MajorCustomersAxis_ACA346715E85007A6C07C7228849C60C" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_9D88D1ADC382702BC960C7228848EC2C" xlink:to="loc_us-gaap_MajorCustomersAxis_ACA346715E85007A6C07C7228849C60C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="loc_us-gaap_NameOfMajorCustomerDomain_878B7710F2FF39440044C7228849263B_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MajorCustomersAxis_ACA346715E85007A6C07C7228849C60C" xlink:to="loc_us-gaap_NameOfMajorCustomerDomain_878B7710F2FF39440044C7228849263B_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="loc_us-gaap_NameOfMajorCustomerDomain_878B7710F2FF39440044C7228849263B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MajorCustomersAxis_ACA346715E85007A6C07C7228849C60C" xlink:to="loc_us-gaap_NameOfMajorCustomerDomain_878B7710F2FF39440044C7228849263B" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_PjmSettlementIncMember" xlink:label="loc_cpn_PjmSettlementIncMember_72B47C5E4EC7AC56E66FC72288495E0D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_878B7710F2FF39440044C7228849263B" xlink:to="loc_cpn_PjmSettlementIncMember_72B47C5E4EC7AC56E66FC72288495E0D" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_PacificGasElectricCompanyMember" xlink:label="loc_cpn_PacificGasElectricCompanyMember_F6D0D4BA2AECABF99802C7228849366F" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_878B7710F2FF39440044C7228849263B" xlink:to="loc_cpn_PacificGasElectricCompanyMember_F6D0D4BA2AECABF99802C7228849366F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_3A372BAFF43283DEEA2BC7228849C40E" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_9D88D1ADC382702BC960C7228848EC2C" xlink:to="loc_us-gaap_StatementGeographicalAxis_3A372BAFF43283DEEA2BC7228849C40E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_D83DD5C858D7BDEFBE38C7228849C2B1_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementGeographicalAxis_3A372BAFF43283DEEA2BC7228849C40E" xlink:to="loc_us-gaap_SegmentGeographicalDomain_D83DD5C858D7BDEFBE38C7228849C2B1_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_D83DD5C858D7BDEFBE38C7228849C2B1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementGeographicalAxis_3A372BAFF43283DEEA2BC7228849C40E" xlink:to="loc_us-gaap_SegmentGeographicalDomain_D83DD5C858D7BDEFBE38C7228849C2B1" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_WestMember" xlink:label="loc_cpn_WestMember_65BC1C8DEEE4B7DBD3B9C72288498CB4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_D83DD5C858D7BDEFBE38C7228849C2B1" xlink:to="loc_cpn_WestMember_65BC1C8DEEE4B7DBD3B9C72288498CB4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/stpr/2011/stpr-2011-01-31.xsd#stpr_TX" xlink:label="loc_stpr_TX_82BBBC898A93EA903056C72288491628" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_D83DD5C858D7BDEFBE38C7228849C2B1" xlink:to="loc_stpr_TX_82BBBC898A93EA903056C72288491628" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_EastMember" xlink:label="loc_cpn_EastMember_A5DA3A5036E7A9DEBBE0C72288493D16" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_D83DD5C858D7BDEFBE38C7228849C2B1" xlink:to="loc_cpn_EastMember_A5DA3A5036E7A9DEBBE0C72288493D16" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GeographyConsolidationandEliminationMember" xlink:label="loc_cpn_GeographyConsolidationandEliminationMember_1A31DBF2DF24FE7FC5ABC7228849CB87" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_D83DD5C858D7BDEFBE38C7228849C2B1" xlink:to="loc_cpn_GeographyConsolidationandEliminationMember_1A31DBF2DF24FE7FC5ABC7228849CB87" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_350605DBDE999E2165CCC722884AC2AE" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_us-gaap_Revenues_350605DBDE999E2165CCC722884AC2AE" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CommodityMargin" xlink:label="loc_cpn_CommodityMargin_C276207AE88B05DE98CBC722884A8749" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_cpn_CommodityMargin_C276207AE88B05DE98CBC722884A8749" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_MarkToMarketCommodityActivityNetAndOtherRevenue" xlink:label="loc_cpn_MarkToMarketCommodityActivityNetAndOtherRevenue_EC4F11ECEA29963E899CC722884AF774" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_cpn_MarkToMarketCommodityActivityNetAndOtherRevenue_EC4F11ECEA29963E899CC722884AF774" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingCostsAndExpenses" xlink:label="loc_us-gaap_OperatingCostsAndExpenses_A8F5BFCC65FD8C3762DDC722884A7837" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_us-gaap_OperatingCostsAndExpenses_A8F5BFCC65FD8C3762DDC722884A7837" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_7670A9FD6C7CB3E8916BC722884A7D34" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_us-gaap_DepreciationAndAmortization_7670A9FD6C7CB3E8916BC722884A7D34" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_33F3ADA6783FBA90573EC722884AAB6F" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_33F3ADA6783FBA90573EC722884AAB6F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_010D845F92E7351C61F1C722884A48BC" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_010D845F92E7351C61F1C722884A48BC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="loc_us-gaap_AssetImpairmentCharges_CFA66FB2B7CCD8A9D2E6C722884ADF85" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_us-gaap_AssetImpairmentCharges_CFA66FB2B7CCD8A9D2E6C722884ADF85" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets1" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_E1A42AF0B7D088D1B9CEC722884A8250" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_E1A42AF0B7D088D1B9CEC722884A8250" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_3782543D20028DFB9ED6C722884A12EF" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_3782543D20028DFB9ED6C722884A12EF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_6A80D278DC86FFCE2D29C722884ACBBD" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_us-gaap_OperatingIncomeLoss_6A80D278DC86FFCE2D29C722884ACBBD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRevenueExpenseNet" xlink:label="loc_us-gaap_InterestRevenueExpenseNet_72381A8B378AA0AEDDDCC722884A6344" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_us-gaap_InterestRevenueExpenseNet_72381A8B378AA0AEDDDCC722884A6344" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_DebtExtinguishmentCostsAndOtherIncomeExpenseNet" xlink:label="loc_cpn_DebtExtinguishmentCostsAndOtherIncomeExpenseNet_485C8DA13569B845C994C722884A271A" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_cpn_DebtExtinguishmentCostsAndOtherIncomeExpenseNet_485C8DA13569B845C994C722884A271A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_77CB5336C710E78D15ABC722884A7438" xlink:type="locator"/>
<definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_77CB5336C710E78D15ABC722884A7438" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CommodityMarginforSixSoutheastPowerPlantsSold" xlink:label="loc_cpn_CommodityMarginforSixSoutheastPowerPlantsSold_A1F2FF0DFFD9DF1B068AC722884B71EE" xlink:type="locator"/>
<definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_cpn_CommodityMarginforSixSoutheastPowerPlantsSold_A1F2FF0DFFD9DF1B068AC722884B71EE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StraightLineRentAdjustments" xlink:label="loc_us-gaap_StraightLineRentAdjustments_3E2EB42DD906BE2C03DCC722884B0E30" xlink:type="locator"/>
<definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_us-gaap_StraightLineRentAdjustments_3E2EB42DD906BE2C03DCC722884B0E30" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_F226600A6A54BF0618CAC722884BDCDC" xlink:type="locator"/>
<definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_F226600A6A54BF0618CAC722884BDCDC" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_Numberofpowerplantsdisposedof" xlink:label="loc_cpn_Numberofpowerplantsdisposedof_77707A2DB6625D88BE85C722884CAB5E" xlink:type="locator"/>
<definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_cpn_Numberofpowerplantsdisposedof_77707A2DB6625D88BE85C722884CAB5E" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_NumberofSignificantCustomers" xlink:label="loc_cpn_NumberofSignificantCustomers_7F49EF8721F3BD0C160AC722884C438D" xlink:type="locator"/>
<definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_2BA996777A7582760130C7228849ACC2" xlink:to="loc_cpn_NumberofSignificantCustomers_7F49EF8721F3BD0C160AC722884C438D" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/SegmentAndSignificantCustomerInformationTables" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/StockBasedCompensation" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/StockBasedCompensationDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_60B35813B27AB38B65C6C72288C3B72A" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_E4079AF4C739697A7192C72288C2ACEA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_60B35813B27AB38B65C6C72288C3B72A" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_E4079AF4C739697A7192C72288C2ACEA" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_8A804A947192D2EA49BCC72288C2D18D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_E4079AF4C739697A7192C72288C2ACEA" xlink:to="loc_us-gaap_PlanNameAxis_8A804A947192D2EA49BCC72288C2D18D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_8D028FAD8D5136BD2336C72288C29C84_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_8A804A947192D2EA49BCC72288C2D18D" xlink:to="loc_us-gaap_PlanNameDomain_8D028FAD8D5136BD2336C72288C29C84_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_8D028FAD8D5136BD2336C72288C29C84" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_8A804A947192D2EA49BCC72288C2D18D" xlink:to="loc_us-gaap_PlanNameDomain_8D028FAD8D5136BD2336C72288C29C84" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_DirectorPlanMember" xlink:label="loc_cpn_DirectorPlanMember_FFA091322F3287BAE5CAC72288C2C815" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_8D028FAD8D5136BD2336C72288C29C84" xlink:to="loc_cpn_DirectorPlanMember_FFA091322F3287BAE5CAC72288C2C815" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_EquityPlanMember" xlink:label="loc_cpn_EquityPlanMember_A9CEF2C72262BA5903E0C72288C28222" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_8D028FAD8D5136BD2336C72288C29C84" xlink:to="loc_cpn_EquityPlanMember_A9CEF2C72262BA5903E0C72288C28222" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_3E4D006C15C726F366A2C72288C24DC8" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_E4079AF4C739697A7192C72288C2ACEA" xlink:to="loc_us-gaap_AwardTypeAxis_3E4D006C15C726F366A2C72288C24DC8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_74892DDA08E37B91CAC6C72288C24E4D_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_3E4D006C15C726F366A2C72288C24DC8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_74892DDA08E37B91CAC6C72288C24E4D_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_74892DDA08E37B91CAC6C72288C24E4D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_3E4D006C15C726F366A2C72288C24DC8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_74892DDA08E37B91CAC6C72288C24E4D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_976D534C37CBC2FBBBBFC72288C21BE8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_74892DDA08E37B91CAC6C72288C24E4D" xlink:to="loc_us-gaap_RestrictedStockMember_976D534C37CBC2FBBBBFC72288C21BE8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="loc_us-gaap_PerformanceSharesMember_7876718F48213BE655E5C72288C31C49" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_74892DDA08E37B91CAC6C72288C24E4D" xlink:to="loc_us-gaap_PerformanceSharesMember_7876718F48213BE655E5C72288C31C49" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_A975A03ED2656BBED6A7C72288C3B8FA" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_E4079AF4C739697A7192C72288C2ACEA" xlink:to="loc_us-gaap_RangeAxis_A975A03ED2656BBED6A7C72288C3B8FA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_1627BA9B731FAAB09C21C72288C3EA85_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_A975A03ED2656BBED6A7C72288C3B8FA" xlink:to="loc_us-gaap_RangeMember_1627BA9B731FAAB09C21C72288C3EA85_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_1627BA9B731FAAB09C21C72288C3EA85" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_A975A03ED2656BBED6A7C72288C3B8FA" xlink:to="loc_us-gaap_RangeMember_1627BA9B731FAAB09C21C72288C3EA85" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_5BD543EE080E7709BB94C72288C3A90A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_1627BA9B731FAAB09C21C72288C3EA85" xlink:to="loc_us-gaap_MinimumMember_5BD543EE080E7709BB94C72288C3A90A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_65AD18413BB1BF172163C72288C3F43E" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_1627BA9B731FAAB09C21C72288C3EA85" xlink:to="loc_us-gaap_MaximumMember_65AD18413BB1BF172163C72288C3F43E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_9B57D0CA846CD992865DC72288C359C6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_60B35813B27AB38B65C6C72288C3B72A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_9B57D0CA846CD992865DC72288C359C6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_B2AE30457A6CCFA58B3DC72288C37240" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_60B35813B27AB38B65C6C72288C3B72A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_B2AE30457A6CCFA58B3DC72288C37240" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_60B35813B27AB38B65C6C72288C3B72A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_075FB903517369FC2F15C72288C3B641" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_075FB903517369FC2F15C72288C3B641" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_F018F88DB99F0DC9A0C8C72288C398A8" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_F018F88DB99F0DC9A0C8C72288C398A8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_7046D21EA5B8C99C2AF2C72288C39CD9" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_7046D21EA5B8C99C2AF2C72288C39CD9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_FFD5A718C54A6586E4B3C72288C3F64A" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_FFD5A718C54A6586E4B3C72288C3F64A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_ED3D224472871AEC201FC72288C3D15D" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_ED3D224472871AEC201FC72288C3D15D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_D814AB4D0580F6D704DCC72288C33DFD" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_D814AB4D0580F6D704DCC72288C33DFD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_D859745BC6FC38A70C3FC72288C33313" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_D859745BC6FC38A70C3FC72288C33313" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_59F9E53446B5F797FE51C72288C4289E" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_59F9E53446B5F797FE51C72288C4289E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_6F184F44EEA9A6C9C1D0C72288C4F390" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_6F184F44EEA9A6C9C1D0C72288C4F390" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_E57F3CD73DBC07295923C72288C48048" xlink:type="locator"/>
<definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_E57F3CD73DBC07295923C72288C48048" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_727B1FECD13E6397E48EC72288C4F065" xlink:type="locator"/>
<definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_727B1FECD13E6397E48EC72288C4F065" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_4148D0E01B3E6AAC09C8C72288C493A7" xlink:type="locator"/>
<definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_4148D0E01B3E6AAC09C8C72288C493A7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_6807B9E48B08434BE4DBC72288C48F5D" xlink:type="locator"/>
<definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_6807B9E48B08434BE4DBC72288C48F5D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_E595742A7013145B35EBC72288C4991B" xlink:type="locator"/>
<definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_E595742A7013145B35EBC72288C4991B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_92E0094D9188EE697C99C72288C4412A" xlink:type="locator"/>
<definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_92E0094D9188EE697C99C72288C4412A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_23F1A0F5E3118DF4721DC72288C4132A" xlink:type="locator"/>
<definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_23F1A0F5E3118DF4721DC72288C4132A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_D91EE4206A6DE88B607CC72288C40106" xlink:type="locator"/>
<definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_D91EE4206A6DE88B607CC72288C40106" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_FAAE4EE5BB4022DFD214C72288C4BC68" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_D91EE4206A6DE88B607CC72288C40106" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_FAAE4EE5BB4022DFD214C72288C4BC68" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_3171C72212BE8EABD2B5C72288C4E0EF" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_D91EE4206A6DE88B607CC72288C40106" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_3171C72212BE8EABD2B5C72288C4E0EF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_8E04686E419FDF47EB22C72288C4E684" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_D91EE4206A6DE88B607CC72288C40106" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_8E04686E419FDF47EB22C72288C4E684" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_80D0F0BA6237A39BC70CC72288C54AB3" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_D91EE4206A6DE88B607CC72288C40106" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_80D0F0BA6237A39BC70CC72288C54AB3" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_RestrictedStockAndStockUnitActivityAbstract" xlink:label="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_98F252A49D5FDC3F7751C72288C50CA8" xlink:type="locator"/>
<definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:to="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_98F252A49D5FDC3F7751C72288C50CA8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_C4C1812E1C038BE42675C72288C52506" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_98F252A49D5FDC3F7751C72288C50CA8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_C4C1812E1C038BE42675C72288C52506" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_0A4208904FBD48ABDE33C72288C55EE1" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_98F252A49D5FDC3F7751C72288C50CA8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_0A4208904FBD48ABDE33C72288C55EE1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_6954CE299203526A8B8BC72288C50C5B" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_98F252A49D5FDC3F7751C72288C50CA8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_6954CE299203526A8B8BC72288C50C5B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_F02D0CF8FED1AEE102EEC72288C5E4C6" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_98F252A49D5FDC3F7751C72288C50CA8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_F02D0CF8FED1AEE102EEC72288C5E4C6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_13D9581836646EF5B3DDC72288C5BA32" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_98F252A49D5FDC3F7751C72288C50CA8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_13D9581836646EF5B3DDC72288C5BA32" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_3AFDCC52A0C035AB893AC72288C51CBE" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_98F252A49D5FDC3F7751C72288C50CA8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_3AFDCC52A0C035AB893AC72288C51CBE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_6C7BF5FFA1847A4FD60BC72288C52265" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_98F252A49D5FDC3F7751C72288C50CA8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_6C7BF5FFA1847A4FD60BC72288C52265" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_4D80D6C6190100145FE7C72288C52D4B" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_98F252A49D5FDC3F7751C72288C50CA8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_4D80D6C6190100145FE7C72288C52D4B" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract" xlink:label="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_AD78882E36CEB55C11FFC72288C5A106" xlink:type="locator"/>
<definitionArc order="23" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_65339C15D3DEB775A7ECC72288C36C00" xlink:to="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_AD78882E36CEB55C11FFC72288C5A106" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_VestingPeriodForGradedAndCliffVestingOptionsMinimum" xlink:label="loc_cpn_VestingPeriodForGradedAndCliffVestingOptionsMinimum_F7BFE89FAE77CB28B35EC72288C58D10" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_AD78882E36CEB55C11FFC72288C5A106" xlink:to="loc_cpn_VestingPeriodForGradedAndCliffVestingOptionsMinimum_F7BFE89FAE77CB28B35EC72288C58D10" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_VestingPeriodForGradedAndCliffVestingOptionsMaximum" xlink:label="loc_cpn_VestingPeriodForGradedAndCliffVestingOptionsMaximum_0CBF93B9648FCB6532DFC72288C5441F" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_AD78882E36CEB55C11FFC72288C5A106" xlink:to="loc_cpn_VestingPeriodForGradedAndCliffVestingOptionsMaximum_0CBF93B9648FCB6532DFC72288C5441F" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationMinimumRange" xlink:label="loc_cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationMinimumRange_6F382909581A43FB6E5CC72288C5030E" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_AD78882E36CEB55C11FFC72288C5A106" xlink:to="loc_cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationMinimumRange_6F382909581A43FB6E5CC72288C5030E" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationMaximumRange" xlink:label="loc_cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationMaximumRange_87C5DDC614275D7EBCB0C72288C50EE3" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_AD78882E36CEB55C11FFC72288C5A106" xlink:to="loc_cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationMaximumRange_87C5DDC614275D7EBCB0C72288C50EE3" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedForDirectors" xlink:label="loc_cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedForDirectors_C19D7146F8D8B7683F0DC72288C62D60" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_AD78882E36CEB55C11FFC72288C5A106" xlink:to="loc_cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedForDirectors_C19D7146F8D8B7683F0DC72288C62D60" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedForEmployees" xlink:label="loc_cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedForEmployees_46D8F78098F000620237C72288C65928" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_AD78882E36CEB55C11FFC72288C5A106" xlink:to="loc_cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedForEmployees_46D8F78098F000620237C72288C65928" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:label="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_2263353EB6EA6C97C9CDC72288C6E6A1" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_AD78882E36CEB55C11FFC72288C5A106" xlink:to="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_2263353EB6EA6C97C9CDC72288C6E6A1" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_VestTermOfFirstSubGrant" xlink:label="loc_cpn_VestTermOfFirstSubGrant_83D26DF8604489C264E4C72288C66672" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_AD78882E36CEB55C11FFC72288C5A106" xlink:to="loc_cpn_VestTermOfFirstSubGrant_83D26DF8604489C264E4C72288C66672" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_VestTermOfSecondSubGrant" xlink:label="loc_cpn_VestTermOfSecondSubGrant_DF5051A789EA3493A267C72288C63B64" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_AD78882E36CEB55C11FFC72288C5A106" xlink:to="loc_cpn_VestTermOfSecondSubGrant_DF5051A789EA3493A267C72288C63B64" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_VestTermOfThirdSubGrant" xlink:label="loc_cpn_VestTermOfThirdSubGrant_0F7ECF365163E9C15C8EC72288C68975" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_AD78882E36CEB55C11FFC72288C5A106" xlink:to="loc_cpn_VestTermOfThirdSubGrant_0F7ECF365163E9C15C8EC72288C68975" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GrantsinOptionGrantswithThreeYearCliffVesting" xlink:label="loc_cpn_GrantsinOptionGrantswithThreeYearCliffVesting_CCABBBE4B8A7A7BD1EC1C72288C65344" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_AD78882E36CEB55C11FFC72288C5A106" xlink:to="loc_cpn_GrantsinOptionGrantswithThreeYearCliffVesting_CCABBBE4B8A7A7BD1EC1C72288C65344" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_VestingTermOfOptionGrantsWithThreeYearCliffVesting" xlink:label="loc_cpn_VestingTermOfOptionGrantsWithThreeYearCliffVesting_D7FF4E98FEEF9279DE7DC72288C6F8B0" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_AD78882E36CEB55C11FFC72288C5A106" xlink:to="loc_cpn_VestingTermOfOptionGrantsWithThreeYearCliffVesting_D7FF4E98FEEF9279DE7DC72288C6F8B0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_22EE9904BB81E39E2D20C72288C62853" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_60B35813B27AB38B65C6C72288C3B72A" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_22EE9904BB81E39E2D20C72288C62853" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions_6AFF519A1D7B0A038C48C72288C678EA" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_60B35813B27AB38B65C6C72288C3B72A" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions_6AFF519A1D7B0A038C48C72288C678EA" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_AllocatedShareBasedCompensationExpenseLiabilityClassifiedShareBasedAwards" xlink:label="loc_cpn_AllocatedShareBasedCompensationExpenseLiabilityClassifiedShareBasedAwards_4D3F817044784384FFA0C72288C64BDA" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_60B35813B27AB38B65C6C72288C3B72A" xlink:to="loc_cpn_AllocatedShareBasedCompensationExpenseLiabilityClassifiedShareBasedAwards_4D3F817044784384FFA0C72288C64BDA" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/StockBasedCompensationTables" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/SummaryOfSignificantAccountingPolicies" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/SummaryOfSignificantAccountingPoliciesContractualFutureMinimumLeaseReceiptTableDetails" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/SummaryOfSignificantAccountingPoliciesDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems_469063D773481E0E4D13C72289B8E022" xlink:type="locator"/>
<loc xlink:href="cpn-20151231.xsd#cpn_SummaryOfSignificantAccountingPoliciesTable" xlink:label="loc_cpn_SummaryOfSignificantAccountingPoliciesTable_E703B9BE9FC7D039649BC72289B77C74" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems_469063D773481E0E4D13C72289B8E022" xlink:to="loc_cpn_SummaryOfSignificantAccountingPoliciesTable_E703B9BE9FC7D039649BC72289B77C74" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_D68F2C7441F227ABC4D4C72289B77311" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_SummaryOfSignificantAccountingPoliciesTable_E703B9BE9FC7D039649BC72289B77C74" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_D68F2C7441F227ABC4D4C72289B77311" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_E382866389566192C177C72289B7C3F8_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_D68F2C7441F227ABC4D4C72289B77311" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_E382866389566192C177C72289B7C3F8_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_E382866389566192C177C72289B7C3F8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_D68F2C7441F227ABC4D4C72289B77311" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_E382866389566192C177C72289B7C3F8" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GreenfieldMember" xlink:label="loc_cpn_GreenfieldMember_18A3265DDCE9394E23C5C72289B72C0A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_E382866389566192C177C72289B7C3F8" xlink:to="loc_cpn_GreenfieldMember_18A3265DDCE9394E23C5C72289B72C0A" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_WhitbyMember" xlink:label="loc_cpn_WhitbyMember_F5DED3E29497C8BE46EEC72289B73EB7" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_E382866389566192C177C72289B7C3F8" xlink:to="loc_cpn_WhitbyMember_F5DED3E29497C8BE46EEC72289B73EB7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_9352A67847148D898F05C72289B726EC" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_SummaryOfSignificantAccountingPoliciesTable_E703B9BE9FC7D039649BC72289B77C74" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_9352A67847148D898F05C72289B726EC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_71B4ABD4774B37D0E783C72289B7F92D_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_9352A67847148D898F05C72289B726EC" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_71B4ABD4774B37D0E783C72289B7F92D_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_71B4ABD4774B37D0E783C72289B7F92D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_9352A67847148D898F05C72289B726EC" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_71B4ABD4774B37D0E783C72289B7F92D" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_DebtServiceMember" xlink:label="loc_cpn_DebtServiceMember_192B1CF03053BA3FEE90C72289B72BE8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_71B4ABD4774B37D0E783C72289B7F92D" xlink:to="loc_cpn_DebtServiceMember_192B1CF03053BA3FEE90C72289B72BE8" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_RentReserveMember" xlink:label="loc_cpn_RentReserveMember_CB856C7C3F049407532BC72289B7D42D" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_71B4ABD4774B37D0E783C72289B7F92D" xlink:to="loc_cpn_RentReserveMember_CB856C7C3F049407532BC72289B7D42D" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ConstructionMajorMaintenanceMember" xlink:label="loc_cpn_ConstructionMajorMaintenanceMember_6C0BA84DA1F324840D06C72289B774DF" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_71B4ABD4774B37D0E783C72289B7F92D" xlink:to="loc_cpn_ConstructionMajorMaintenanceMember_6C0BA84DA1F324840D06C72289B774DF" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_SecurityProjectInsuranceMember" xlink:label="loc_cpn_SecurityProjectInsuranceMember_FE9AC6D6A20BA8682C7AC72289B77E88" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_71B4ABD4774B37D0E783C72289B7F92D" xlink:to="loc_cpn_SecurityProjectInsuranceMember_FE9AC6D6A20BA8682C7AC72289B77E88" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OtherRestrictedCashMember" xlink:label="loc_cpn_OtherRestrictedCashMember_DE4564553842C0E05661C72289B745EE" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_71B4ABD4774B37D0E783C72289B7F92D" xlink:to="loc_cpn_OtherRestrictedCashMember_DE4564553842C0E05661C72289B745EE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantAxis" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantAxis_79A28E4FE9720D1CD3DAC72289B7D9A6" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_SummaryOfSignificantAccountingPoliciesTable_E703B9BE9FC7D039649BC72289B77C74" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantAxis_79A28E4FE9720D1CD3DAC72289B7D9A6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantDomain" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantDomain_A552F8FFFBCFA732772EC72289B7E1F8_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantAxis_79A28E4FE9720D1CD3DAC72289B7D9A6" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantDomain_A552F8FFFBCFA732772EC72289B7E1F8_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantDomain" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantDomain_A552F8FFFBCFA732772EC72289B7E1F8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantAxis_79A28E4FE9720D1CD3DAC72289B7D9A6" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantDomain_A552F8FFFBCFA732772EC72289B7E1F8" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_FreestoneEnergyCenterMember" xlink:label="loc_cpn_FreestoneEnergyCenterMember_2A2990AF762B9E43E296C72289B8D0F1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantDomain_A552F8FFFBCFA732772EC72289B7E1F8" xlink:to="loc_cpn_FreestoneEnergyCenterMember_2A2990AF762B9E43E296C72289B8D0F1" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_HidalgoEnergyCenterMember" xlink:label="loc_cpn_HidalgoEnergyCenterMember_7BE5C95E1BF8BB61E145C72289B84B75" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantDomain_A552F8FFFBCFA732772EC72289B7E1F8" xlink:to="loc_cpn_HidalgoEnergyCenterMember_7BE5C95E1BF8BB61E145C72289B84B75" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_A644AB2C38BDA58970D5C72289B8BF17" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems_469063D773481E0E4D13C72289B8E022" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_A644AB2C38BDA58970D5C72289B8BF17" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_6DB2E932897562630CCDC72289B8C345" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems_469063D773481E0E4D13C72289B8E022" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_6DB2E932897562630CCDC72289B8C345" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalents" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_EC691F60DAC7A1D44F32C72289B80C18" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems_469063D773481E0E4D13C72289B8E022" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_EC691F60DAC7A1D44F32C72289B80C18" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTextualsAbstract" xlink:label="loc_cpn_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTextualsAbstract_6D60BF49BC18421B2328C72289B86E4B" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems_469063D773481E0E4D13C72289B8E022" xlink:to="loc_cpn_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTextualsAbstract_6D60BF49BC18421B2328C72289B86E4B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_473129304E80A1D1678BC72289B836C9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTextualsAbstract_6D60BF49BC18421B2328C72289B86E4B" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_473129304E80A1D1678BC72289B836C9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentSalvageValuePercentage" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentSalvageValuePercentage_933EE90B45DDFE58AB60C72289B8EFD5" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTextualsAbstract_6D60BF49BC18421B2328C72289B86E4B" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentSalvageValuePercentage_933EE90B45DDFE58AB60C72289B8EFD5" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_PropertyPlantAndEquipmentSalvageValuePercentageRotables" xlink:label="loc_cpn_PropertyPlantAndEquipmentSalvageValuePercentageRotables_5C2E7AFD7383064F1F18C72289B81598" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTextualsAbstract_6D60BF49BC18421B2328C72289B86E4B" xlink:to="loc_cpn_PropertyPlantAndEquipmentSalvageValuePercentageRotables_5C2E7AFD7383064F1F18C72289B81598" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OspreyEnergyCenterAgreementTerm" xlink:label="loc_cpn_OspreyEnergyCenterAgreementTerm_543AA31F5710E6C3D3C5C72289B8C39C" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTextualsAbstract_6D60BF49BC18421B2328C72289B86E4B" xlink:to="loc_cpn_OspreyEnergyCenterAgreementTerm_543AA31F5710E6C3D3C5C72289B8C39C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="loc_us-gaap_AssetImpairmentCharges_B17876C00FBFF1CE559EC72289B89839" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTextualsAbstract_6D60BF49BC18421B2328C72289B86E4B" xlink:to="loc_us-gaap_AssetImpairmentCharges_B17876C00FBFF1CE559EC72289B89839" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetRetirementObligation" xlink:label="loc_us-gaap_AssetRetirementObligation_415124FE09F3B4E40CB0C72289B84550" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTextualsAbstract_6D60BF49BC18421B2328C72289B86E4B" xlink:to="loc_us-gaap_AssetRetirementObligation_415124FE09F3B4E40CB0C72289B84550" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_JointlyOwnedPlantsAbstract" xlink:label="loc_cpn_JointlyOwnedPlantsAbstract_540286978FC5162C5165C72289B80E7E" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems_469063D773481E0E4D13C72289B8E022" xlink:to="loc_cpn_JointlyOwnedPlantsAbstract_540286978FC5162C5165C72289B80E7E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare_059865E35A527702E736C72289B89882" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_JointlyOwnedPlantsAbstract_540286978FC5162C5165C72289B80E7E" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare_059865E35A527702E736C72289B89882" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService_BFCFBCA385D933B67454C72289B8D9D5" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_JointlyOwnedPlantsAbstract_540286978FC5162C5165C72289B80E7E" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService_BFCFBCA385D933B67454C72289B8D9D5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation_65FA7B84002E3A201560C72289B839AA" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_JointlyOwnedPlantsAbstract_540286978FC5162C5165C72289B80E7E" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation_65FA7B84002E3A201560C72289B839AA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress_52E73C3371A212B3BCA8C72289B9C39B" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_JointlyOwnedPlantsAbstract_540286978FC5162C5165C72289B80E7E" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress_52E73C3371A212B3BCA8C72289B9C39B" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/UseOfCollateral" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/UseOfCollateralDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralLineItems" xlink:label="loc_us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralLineItems_276D4EA875010DDB51A2C72288F82C95" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralTable" xlink:label="loc_us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralTable_1338DFBE8515E0360DC5C72288F7472B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralLineItems_276D4EA875010DDB51A2C72288F82C95" xlink:to="loc_us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralTable_1338DFBE8515E0360DC5C72288F7472B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_8787CAF2F7CD0E20EF8AC72288F70372" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralTable_1338DFBE8515E0360DC5C72288F7472B" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_8787CAF2F7CD0E20EF8AC72288F70372" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_64C8C8C918901B857EF5C72288F7B7EA_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_8787CAF2F7CD0E20EF8AC72288F70372" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_64C8C8C918901B857EF5C72288F7B7EA_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_64C8C8C918901B857EF5C72288F7B7EA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_8787CAF2F7CD0E20EF8AC72288F70372" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_64C8C8C918901B857EF5C72288F7B7EA" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ChampionEnergyMember" xlink:label="loc_cpn_ChampionEnergyMember_9E7BB9C1F67B46E7D986C72288F8B2FE" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_64C8C8C918901B857EF5C72288F7B7EA" xlink:to="loc_cpn_ChampionEnergyMember_9E7BB9C1F67B46E7D986C72288F8B2FE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MarginDepositAssets" xlink:label="loc_us-gaap_MarginDepositAssets_42568A55AF5CA3FB2400C72288F8C33A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralLineItems_276D4EA875010DDB51A2C72288F82C95" xlink:to="loc_us-gaap_MarginDepositAssets_42568A55AF5CA3FB2400C72288F8C33A" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_NaturalGasAndPowerPrepayments" xlink:label="loc_cpn_NaturalGasAndPowerPrepayments_BC9F4A84610B70477401C72288F8716E" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralLineItems_276D4EA875010DDB51A2C72288F82C95" xlink:to="loc_cpn_NaturalGasAndPowerPrepayments_BC9F4A84610B70477401C72288F8716E" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_DerivativeCollateralRightToReclaimCashAndNaturalGasAndPowerPrepaymentsTotal" xlink:label="loc_cpn_DerivativeCollateralRightToReclaimCashAndNaturalGasAndPowerPrepaymentsTotal_8E397D95DB0CC74C4883C72288F8DD82" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralLineItems_276D4EA875010DDB51A2C72288F82C95" xlink:to="loc_cpn_DerivativeCollateralRightToReclaimCashAndNaturalGasAndPowerPrepaymentsTotal_8E397D95DB0CC74C4883C72288F8DD82" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_LettersOfCreditIssued" xlink:label="loc_cpn_LettersOfCreditIssued_0CE631F02A5311EA1223C72288F896AA" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralLineItems_276D4EA875010DDB51A2C72288F82C95" xlink:to="loc_cpn_LettersOfCreditIssued_0CE631F02A5311EA1223C72288F896AA" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_FirstPriorityLiensUnderPowerAndNaturalGasAgreements" xlink:label="loc_cpn_FirstPriorityLiensUnderPowerAndNaturalGasAgreements_803AC9D4AC93C6C7606DC72288F896A2" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralLineItems_276D4EA875010DDB51A2C72288F82C95" xlink:to="loc_cpn_FirstPriorityLiensUnderPowerAndNaturalGasAgreements_803AC9D4AC93C6C7606DC72288F896A2" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_FirstPriorityLiensUnderInterestRateSwapAgreements" xlink:label="loc_cpn_FirstPriorityLiensUnderInterestRateSwapAgreements_78AB7DD195DF8BFD3DD8C72288F88E95" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralLineItems_276D4EA875010DDB51A2C72288F82C95" xlink:to="loc_cpn_FirstPriorityLiensUnderInterestRateSwapAgreements_78AB7DD195DF8BFD3DD8C72288F88E95" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_LettersOfCreditIssuedAndFirstPriorityLiensUnderPowerNaturalGasAndInterestRateSwapAgreements" xlink:label="loc_cpn_LettersOfCreditIssuedAndFirstPriorityLiensUnderPowerNaturalGasAndInterestRateSwapAgreements_793BCF36DD00224B9725C72288F8DBF9" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralLineItems_276D4EA875010DDB51A2C72288F82C95" xlink:to="loc_cpn_LettersOfCreditIssuedAndFirstPriorityLiensUnderPowerNaturalGasAndInterestRateSwapAgreements_793BCF36DD00224B9725C72288F8DBF9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecurityDepositLiability" xlink:label="loc_us-gaap_SecurityDepositLiability_A1300B000FA4ED7EC3D1C72288F8AD7B" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralLineItems_276D4EA875010DDB51A2C72288F82C95" xlink:to="loc_us-gaap_SecurityDepositLiability_A1300B000FA4ED7EC3D1C72288F8AD7B" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_LettersOfCreditPostedByCounterparties" xlink:label="loc_cpn_LettersOfCreditPostedByCounterparties_C337651BA68F6F940121C72288F856BE" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralLineItems_276D4EA875010DDB51A2C72288F82C95" xlink:to="loc_cpn_LettersOfCreditPostedByCounterparties_C337651BA68F6F940121C72288F856BE" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_DerivativeCollateralObligationToReturnCashAndLettersOfCreditPostedByCounterparties" xlink:label="loc_cpn_DerivativeCollateralObligationToReturnCashAndLettersOfCreditPostedByCounterparties_C7501A453D5138731532C72288F87E67" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralLineItems_276D4EA875010DDB51A2C72288F82C95" xlink:to="loc_cpn_DerivativeCollateralObligationToReturnCashAndLettersOfCreditPostedByCounterparties_C7501A453D5138731532C72288F87E67" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/UseOfCollateralTables" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/VariableInterestEntitiesAndUnconsolidatedInvestments" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/VariableInterestEntitiesAndUnconsolidatedInvestmentsEquityMethodInvestmentSummarizedFinancialInformationDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_043F7CE890B3ABE00BC6C72289886FD7" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_18A9E1D1CBD88C7350B8C722898820CC" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_043F7CE890B3ABE00BC6C72289886FD7" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_18A9E1D1CBD88C7350B8C722898820CC" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_6E763611149CC514FBB8C7228988B876" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_18A9E1D1CBD88C7350B8C722898820CC" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_6E763611149CC514FBB8C7228988B876" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_B5A7CF352328D07C2C40C7228988B91E_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_6E763611149CC514FBB8C7228988B876" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_B5A7CF352328D07C2C40C7228988B91E_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_B5A7CF352328D07C2C40C7228988B91E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_6E763611149CC514FBB8C7228988B876" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_B5A7CF352328D07C2C40C7228988B91E" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GreenfieldandWhitbyMember" xlink:label="loc_cpn_GreenfieldandWhitbyMember_10F97AC526994481CB10C72289880112" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_B5A7CF352328D07C2C40C7228988B91E" xlink:to="loc_cpn_GreenfieldandWhitbyMember_10F97AC526994481CB10C72289880112" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAbstract" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAbstract_E4400F4A2E6BC537D8D2C7228988EAE9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_043F7CE890B3ABE00BC6C72289886FD7" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAbstract_E4400F4A2E6BC537D8D2C7228988EAE9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssetsAbstract" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssetsAbstract_B22DA6EB70BC3F7F3927C722898815C0" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAbstract_E4400F4A2E6BC537D8D2C7228988EAE9" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssetsAbstract_B22DA6EB70BC3F7F3927C722898815C0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_E5BAE5D216ADE069995CC722898818B1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssetsAbstract_B22DA6EB70BC3F7F3927C722898815C0" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_E5BAE5D216ADE069995CC722898818B1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_15EFB6840E84AEFEA7B0C72289880DA5" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssetsAbstract_B22DA6EB70BC3F7F3927C722898815C0" xlink:to="loc_us-gaap_AssetsCurrent_15EFB6840E84AEFEA7B0C72289880DA5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_F1B12FBD567AB61D099BC72289888CDB" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssetsAbstract_B22DA6EB70BC3F7F3927C722898815C0" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_F1B12FBD567AB61D099BC72289888CDB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_6D1AA8691710325A8B3DC7228988965C" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssetsAbstract_B22DA6EB70BC3F7F3927C722898815C0" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_6D1AA8691710325A8B3DC7228988965C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_D7F95810A74C14EC9A45C7228988E050" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssetsAbstract_B22DA6EB70BC3F7F3927C722898815C0" xlink:to="loc_us-gaap_Assets_D7F95810A74C14EC9A45C7228988E050" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquityAbstract" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquityAbstract_4BB2547F3CAEE9E6DAADC72289882CC9" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAbstract_E4400F4A2E6BC537D8D2C7228988EAE9" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquityAbstract_4BB2547F3CAEE9E6DAADC72289882CC9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAbstract" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAbstract_DF713D85DA915FE704D7C72289881636" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquityAbstract_4BB2547F3CAEE9E6DAADC72289882CC9" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAbstract_DF713D85DA915FE704D7C72289881636" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_C3319DBB87AD7ABC2E01C72289890B6F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAbstract_DF713D85DA915FE704D7C72289881636" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_C3319DBB87AD7ABC2E01C72289890B6F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_FCA570C7D29FE96D7081C722898951E5" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAbstract_DF713D85DA915FE704D7C72289881636" xlink:to="loc_us-gaap_LiabilitiesCurrent_FCA570C7D29FE96D7081C722898951E5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_2F8DBD7D6326B6124833C7228989F8FA" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAbstract_DF713D85DA915FE704D7C72289881636" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_2F8DBD7D6326B6124833C7228989F8FA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent_D7509AB957B337CA000EC7228989C275" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAbstract_DF713D85DA915FE704D7C72289881636" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent_D7509AB957B337CA000EC7228989C275" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_3956A4721CF28790E3CDC72289892FD4" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAbstract_DF713D85DA915FE704D7C72289881636" xlink:to="loc_us-gaap_Liabilities_3956A4721CF28790E3CDC72289892FD4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityAbstract" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityAbstract_F149B263B8728249999AC72289893EBD" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquityAbstract_4BB2547F3CAEE9E6DAADC72289882CC9" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityAbstract_F149B263B8728249999AC72289893EBD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_865DFE145A77C0203BA4C72289897328" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityAbstract_F149B263B8728249999AC72289893EBD" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_865DFE145A77C0203BA4C72289897328" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_42754F4E9102E5643C41C722898974A8" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquityAbstract_4BB2547F3CAEE9E6DAADC72289882CC9" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_42754F4E9102E5643C41C722898974A8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract_640EEC63720BA2357901C7228989136C" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAbstract_E4400F4A2E6BC537D8D2C7228988EAE9" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract_640EEC63720BA2357901C7228989136C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLossAbstract" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLossAbstract_7DF31D6714D0D7C176D6C722898936B3" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract_640EEC63720BA2357901C7228989136C" xlink:to="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLossAbstract_7DF31D6714D0D7C176D6C722898936B3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_B83AA705E5648D90868BC72289899374" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLossAbstract_7DF31D6714D0D7C176D6C722898936B3" xlink:to="loc_us-gaap_Revenues_B83AA705E5648D90868BC72289899374" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_9BB17BF72C710ABC29C8C72289897768" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLossAbstract_7DF31D6714D0D7C176D6C722898936B3" xlink:to="loc_us-gaap_CostsAndExpenses_9BB17BF72C710ABC29C8C72289897768" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_97DDB4ACB78BB11D4B6AC7228989668A" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLossAbstract_7DF31D6714D0D7C176D6C722898936B3" xlink:to="loc_us-gaap_OperatingIncomeLoss_97DDB4ACB78BB11D4B6AC7228989668A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRevenueExpenseNet" xlink:label="loc_us-gaap_InterestRevenueExpenseNet_62359BAE30F1E741D52EC7228989E4CB" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract_640EEC63720BA2357901C7228989136C" xlink:to="loc_us-gaap_InterestRevenueExpenseNet_62359BAE30F1E741D52EC7228989E4CB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_2D070C570CCC2750F999C72289894309" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract_640EEC63720BA2357901C7228989136C" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_2D070C570CCC2750F999C72289894309" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_45DE5567E6E81C7F5454C722898993EC" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract_640EEC63720BA2357901C7228989136C" xlink:to="loc_us-gaap_ProfitLoss_45DE5567E6E81C7F5454C722898993EC" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/VariableInterestEntitiesAndUnconsolidatedInvestmentsTables" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/VariableInterestEntitiesAndUnconsolidatedInvestmentsUnconsolidatedInvestementsDetails" xlink:type="extended">
<loc xlink:href="cpn-20151231.xsd#cpn_IncomeLossFromUnconsolidatedInvestmentsInPowerPlantsAndDistributionsLineItems" xlink:label="loc_cpn_IncomeLossFromUnconsolidatedInvestmentsInPowerPlantsAndDistributionsLineItems_3365D106EFB718C50D4FC722898D9A75" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_1BFCEEA4D8ED6BE4BDFFC722898CAF57" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_cpn_IncomeLossFromUnconsolidatedInvestmentsInPowerPlantsAndDistributionsLineItems_3365D106EFB718C50D4FC722898D9A75" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_1BFCEEA4D8ED6BE4BDFFC722898CAF57" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_9B0E4249F6A982828C41C722898D12B2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_1BFCEEA4D8ED6BE4BDFFC722898CAF57" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_9B0E4249F6A982828C41C722898D12B2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_2391C1552695AEE1C54BC722898DEADD_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_9B0E4249F6A982828C41C722898D12B2" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_2391C1552695AEE1C54BC722898DEADD_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_2391C1552695AEE1C54BC722898DEADD" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_9B0E4249F6A982828C41C722898D12B2" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_2391C1552695AEE1C54BC722898DEADD" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GreenfieldMember" xlink:label="loc_cpn_GreenfieldMember_378E80BB3514C68D1C26C722898DBE36" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_2391C1552695AEE1C54BC722898DEADD" xlink:to="loc_cpn_GreenfieldMember_378E80BB3514C68D1C26C722898DBE36" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_WhitbyMember" xlink:label="loc_cpn_WhitbyMember_008B4D9813B4EA47C1AAC722898D2791" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_2391C1552695AEE1C54BC722898DEADD" xlink:to="loc_cpn_WhitbyMember_008B4D9813B4EA47C1AAC722898D2791" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_6FFCF8EC2D01B004E07EC722898D3C63" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeLossFromUnconsolidatedInvestmentsInPowerPlantsAndDistributionsLineItems_3365D106EFB718C50D4FC722898D9A75" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_6FFCF8EC2D01B004E07EC722898D3C63" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_DistributionsfromEquityMethodInvestments" xlink:label="loc_cpn_DistributionsfromEquityMethodInvestments_3B812D230A01EBEBE5D1C722898D9D4C" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeLossFromUnconsolidatedInvestmentsInPowerPlantsAndDistributionsLineItems_3365D106EFB718C50D4FC722898D9A75" xlink:to="loc_cpn_DistributionsfromEquityMethodInvestments_3B812D230A01EBEBE5D1C722898D9D4C" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/VariableInterestEntitiesAndUnconsolidatedInvestmentsUnconsolidatedViesDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_1E8F34BB6D04AEA97E70C722899015E4" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_DA8F43ECD9E7853594A0C7228990CA20" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_1E8F34BB6D04AEA97E70C722899015E4" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_DA8F43ECD9E7853594A0C7228990CA20" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_B0965C13F9443FD893ECC72289905ADE" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_DA8F43ECD9E7853594A0C7228990CA20" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_B0965C13F9443FD893ECC72289905ADE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_A888AE1728F99A35E550C722899025A4_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_B0965C13F9443FD893ECC72289905ADE" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_A888AE1728F99A35E550C722899025A4_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_A888AE1728F99A35E550C722899025A4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_B0965C13F9443FD893ECC72289905ADE" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_A888AE1728F99A35E550C722899025A4" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GreenfieldMember" xlink:label="loc_cpn_GreenfieldMember_647DBEBE4D98AD0764BAC72289900DB4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_A888AE1728F99A35E550C722899025A4" xlink:to="loc_cpn_GreenfieldMember_647DBEBE4D98AD0764BAC72289900DB4" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_WhitbyMember" xlink:label="loc_cpn_WhitbyMember_3FD5E6AE404679FEF6E6C722899042BF" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_A888AE1728F99A35E550C722899025A4" xlink:to="loc_cpn_WhitbyMember_3FD5E6AE404679FEF6E6C722899042BF" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_EquityMethodInvestmentsIncludedOnBalanceSheetAbstract" xlink:label="loc_cpn_EquityMethodInvestmentsIncludedOnBalanceSheetAbstract_7383A9079F5DFCE9D2B1C7228990B779" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_1E8F34BB6D04AEA97E70C722899015E4" xlink:to="loc_cpn_EquityMethodInvestmentsIncludedOnBalanceSheetAbstract_7383A9079F5DFCE9D2B1C7228990B779" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_98755B9CE8D91ED628D6C7228990BE94" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_EquityMethodInvestmentsIncludedOnBalanceSheetAbstract_7383A9079F5DFCE9D2B1C7228990B779" xlink:to="loc_us-gaap_EquityMethodInvestments_98755B9CE8D91ED628D6C7228990BE94" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/VariableInterestEntitiesAndUnconsolidatedInvestmentsVieTextualsDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_05BF719D64AC106AEAFCC722898084DA" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_3DBE886A868B9E4573D8C722897FC08A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_05BF719D64AC106AEAFCC722898084DA" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_3DBE886A868B9E4573D8C722897FC08A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1FCDD0866136B7481FC0C722897FF10C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_3DBE886A868B9E4573D8C722897FC08A" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1FCDD0866136B7481FC0C722897FF10C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_124468B9DCCD7404FD56C722897F2526_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1FCDD0866136B7481FC0C722897FF10C" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_124468B9DCCD7404FD56C722897F2526_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_124468B9DCCD7404FD56C722897F2526" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1FCDD0866136B7481FC0C722897FF10C" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_124468B9DCCD7404FD56C722897F2526" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GreenfieldMember" xlink:label="loc_cpn_GreenfieldMember_2CDDF20040D93925D108C72289801E20" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_124468B9DCCD7404FD56C722897F2526" xlink:to="loc_cpn_GreenfieldMember_2CDDF20040D93925D108C72289801E20" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_WhitbyMember" xlink:label="loc_cpn_WhitbyMember_A82E820B2B83C97CE3B1C7228980C417" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_124468B9DCCD7404FD56C722897F2526" xlink:to="loc_cpn_WhitbyMember_A82E820B2B83C97CE3B1C7228980C417" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_A5C6B525A562F9CDED68C7228980367F" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_3DBE886A868B9E4573D8C722897FC08A" xlink:to="loc_us-gaap_RangeAxis_A5C6B525A562F9CDED68C7228980367F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_260088C8A29D9A6EFD31C7228980998B_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_A5C6B525A562F9CDED68C7228980367F" xlink:to="loc_us-gaap_RangeMember_260088C8A29D9A6EFD31C7228980998B_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_260088C8A29D9A6EFD31C7228980998B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_A5C6B525A562F9CDED68C7228980367F" xlink:to="loc_us-gaap_RangeMember_260088C8A29D9A6EFD31C7228980998B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_5BB14E972879A9ECAD44C72289801FB5" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_260088C8A29D9A6EFD31C7228980998B" xlink:to="loc_us-gaap_MinimumMember_5BB14E972879A9ECAD44C72289801FB5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_37AD78C388CA67299AFCC7228980B635" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_260088C8A29D9A6EFD31C7228980998B" xlink:to="loc_us-gaap_MaximumMember_37AD78C388CA67299AFCC7228980B635" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:label="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_D255790DA456697CA26DC72289801C68" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_3DBE886A868B9E4573D8C722897FC08A" xlink:to="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_D255790DA456697CA26DC72289801C68" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_ADCC64550F0D0705F0E1C7228980097E_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_D255790DA456697CA26DC72289801C68" xlink:to="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_ADCC64550F0D0705F0E1C7228980097E_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_ADCC64550F0D0705F0E1C7228980097E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_D255790DA456697CA26DC72289801C68" xlink:to="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_ADCC64550F0D0705F0E1C7228980097E" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_GreenfieldMember" xlink:label="loc_cpn_GreenfieldMember_BB49A422AA27E3CC3F21C7228980002A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_ADCC64550F0D0705F0E1C7228980097E" xlink:to="loc_cpn_GreenfieldMember_BB49A422AA27E3CC3F21C7228980002A" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_WhitbyMember" xlink:label="loc_cpn_WhitbyMember_E76FD1F31297BDE4F4E7C722898068DE" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_ADCC64550F0D0705F0E1C7228980097E" xlink:to="loc_cpn_WhitbyMember_E76FD1F31297BDE4F4E7C722898068DE" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_OmecMember" xlink:label="loc_cpn_OmecMember_CD3FD384A6C366D666EAC7228980F8EE" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_ADCC64550F0D0705F0E1C7228980097E" xlink:to="loc_cpn_OmecMember_CD3FD384A6C366D666EAC7228980F8EE" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_RussellCityEnergyMember" xlink:label="loc_cpn_RussellCityEnergyMember_671C60532FDFF40D25F4C72289806425" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_ADCC64550F0D0705F0E1C7228980097E" xlink:to="loc_cpn_RussellCityEnergyMember_671C60532FDFF40D25F4C72289806425" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_1E118B5580D334997C13C7228980F568" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_ADCC64550F0D0705F0E1C7228980097E" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_1E118B5580D334997C13C7228980F568" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_InlandEmpireEnergyCenterMember" xlink:label="loc_cpn_InlandEmpireEnergyCenterMember_EAFF55CC39D6C97BCB78C7228980FB70" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_ADCC64550F0D0705F0E1C7228980097E" xlink:to="loc_cpn_InlandEmpireEnergyCenterMember_EAFF55CC39D6C97BCB78C7228980FB70" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_PowerGenerationCapacity" xlink:label="loc_cpn_PowerGenerationCapacity_68BD2B56CCD2CF5BC048C72289801D27" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_05BF719D64AC106AEAFCC722898084DA" xlink:to="loc_cpn_PowerGenerationCapacity_68BD2B56CCD2CF5BC048C72289801D27" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableInterestEntityFinancialOrOtherSupportAmount" xlink:label="loc_us-gaap_VariableInterestEntityFinancialOrOtherSupportAmount_CA06E17A798F8ABC03ADC722898140E5" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_05BF719D64AC106AEAFCC722898084DA" xlink:to="loc_us-gaap_VariableInterestEntityFinancialOrOtherSupportAmount_CA06E17A798F8ABC03ADC722898140E5" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_MinorityInterestOwnershipPercentageByNoncontrollingThirdPartyOwners" xlink:label="loc_cpn_MinorityInterestOwnershipPercentageByNoncontrollingThirdPartyOwners_185B5BEC3ACB1E6964B5C7228981BBF4" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_05BF719D64AC106AEAFCC722898084DA" xlink:to="loc_cpn_MinorityInterestOwnershipPercentageByNoncontrollingThirdPartyOwners_185B5BEC3ACB1E6964B5C7228981BBF4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_EABE26064C917E2F8DC6C7228981AEFB" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_05BF719D64AC106AEAFCC722898084DA" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_EABE26064C917E2F8DC6C7228981AEFB" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_EquityMethodInvestmentSummarizedFinancialInformationDebt" xlink:label="loc_cpn_EquityMethodInvestmentSummarizedFinancialInformationDebt_03616CE2D77CAAB593DEC7228981BF68" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_05BF719D64AC106AEAFCC722898084DA" xlink:to="loc_cpn_EquityMethodInvestmentSummarizedFinancialInformationDebt_03616CE2D77CAAB593DEC7228981BF68" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_ProrataShareOfEquityMethodInvestmentSummarizedFinancialInformationDebt" xlink:label="loc_cpn_ProrataShareOfEquityMethodInvestmentSummarizedFinancialInformationDebt_0ADF54875934FDD03C5BC7228981C63F" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_05BF719D64AC106AEAFCC722898084DA" xlink:to="loc_cpn_ProrataShareOfEquityMethodInvestmentSummarizedFinancialInformationDebt_0ADF54875934FDD03C5BC7228981C63F" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_CallOptionExercisePeriod" xlink:label="loc_cpn_CallOptionExercisePeriod_D13F734EBBC28D0258E9C7228981EE72" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_05BF719D64AC106AEAFCC722898084DA" xlink:to="loc_cpn_CallOptionExercisePeriod_D13F734EBBC28D0258E9C7228981EE72" xlink:type="arc"/>
<loc xlink:href="cpn-20151231.xsd#cpn_PutOptionExercisePeriod" xlink:label="loc_cpn_PutOptionExercisePeriod_1F87EBF66BB04E7760B6C7228981A4EE" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_05BF719D64AC106AEAFCC722898084DA" xlink:to="loc_cpn_PutOptionExercisePeriod_1F87EBF66BB04E7760B6C7228981A4EE" xlink:type="arc"/>
</definitionLink>
</linkbase>

3 Subsequent Filings that Reference this Filing

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

 6/20/16  SEC                               UPLOAD10/03/17    1:35K  Calpine Corp.
 6/01/16  SEC                               UPLOAD10/03/17    1:158K Calpine Corp.
 4/26/16  SEC                               UPLOAD10/03/17    1:176K Calpine Corp.
↑Top
Filing Submission 0000916457-16-000057   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
About — Privacy — Redactions — Help — Sat., Apr. 27, 1:43:20.1am ET