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

Calpine Corp – ‘10-K’ for 12/31/14 – ‘EX-101.DEF’

On:  Thursday, 2/12/15, at 6:14pm ET   ·   As of:  2/13/15   ·   For:  12/31/14   ·   Accession #:  916457-15-10   ·   File #:  1-12079

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

Find Words in Filings emoji
 		  in    Show  and   ↓Hints

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

 2/13/15  Calpine Corp                      10-K       12/31/14  104:25M

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, 2014       HTML   2.13M 
 3: EX-21.1     Subsidiaries of the Company                         HTML     97K 
 4: EX-23.1     Consent of Pricewaterhousecoopers                   HTML     30K 
 2: EX-12.1     Computation of Ratio of Earnings to Fixed Charges   HTML     52K 
 5: EX-31.1     Section 302 Certification of CEO                    HTML     36K 
 6: EX-31.2     Section 302 Certification of CFO                    HTML     36K 
 7: EX-32.1     Certification of Chief Executive Officer and Chief  HTML     34K 
                Financial Officer                                                
71: R1          Document and Entity Information Cover               HTML     58K 
58: R2          Consolidated Statements of Operations               HTML    146K 
69: R3          Consolidated Statements of Comprehensive Income     HTML     70K 
74: R4          Consolidated Balance Sheets                         HTML    159K 
95: R5          Consolidated Balance Sheets Consolidated Balance    HTML     97K 
                Sheets Parentheticals                                            
60: R6          Consolidated Statements of Stockholders Equity      HTML    117K 
68: R7          Consolidated Statements of Cash Flows               HTML    204K 
52: R8          Organization and Operations                         HTML     34K 
41: R9          Summary of Significant Accounting Policies          HTML    130K 
96: R10         Acquisitions, Divestitures and Discontinued         HTML     60K 
                Operations Acquisitions and Divestitures (Notes)                 
76: R11         Property, Plant and Equipment, Net                  HTML     55K 
75: R12         Variable Interest Entities and Unconsolidated       HTML    117K 
                Investments                                                      
82: R13         Debt                                                HTML    233K 
83: R14         Assets and Liabilities with Recurring Fair Value    HTML    197K 
                Measurements                                                     
80: R15         Derivative Instruments                              HTML    297K 
84: R16         Use of Collateral                                   HTML     55K 
70: R17         Income Taxes                                        HTML    164K 
72: R18         Earnings (Loss) per Share                           HTML     47K 
78: R19         Stock-Based Compensation                            HTML    107K 
104: R20         Defined Contribution and Defined Benefit Plans      HTML     41K  
91: R21         Capital Structure                                   HTML     68K 
64: R22         Commitments and Contingencies                       HTML    140K 
77: R23         Segment and Significant Customer Information        HTML    220K 
66: R24         Quarterly Consolidated Financial Data (Unaudited)   HTML     75K 
32: R25         Schedule of Valuation and Qualifying Accounts       HTML     65K 
                Disclosure                                                       
92: R26         Summary of Significant Accounting Policies          HTML    172K 
                (Policies)                                                       
100: R27         Summary of Significant Accounting Policies          HTML    127K  
                (Tables)                                                         
47: R28         Acquisitions, Divestitures and Discontinued         HTML     44K 
                Operations (Tables)                                              
46: R29         Property, Plant and Equipment, Net (Tables)         HTML     51K 
50: R30         Variable Interest Entities and Unconsolidated       HTML    104K 
                Investments (Tables)                                             
51: R31         Debt (Tables)                                       HTML    222K 
53: R32         Assets and Liabilities with Recurring Fair Value    HTML    192K 
                Measurements (Tables)                                            
22: R33         Derivative Instruments (Tables)                     HTML    292K 
89: R34         Use of Collateral (Tables)                          HTML     54K 
62: R35         Income Taxes Income Taxes (Tables)                  HTML    158K 
65: R36         Earnings (Loss) per Share (Tables)                  HTML     48K 
36: R37         Stock-Based Compensation (Tables)                   HTML     97K 
103: R38         Capital Structure (Tables)                          HTML     60K  
14: R39         Commitments and Contingencies (Tables)              HTML    133K 
55: R40         Segment and Significant Customer Information        HTML    212K 
                (Tables)                                                         
94: R41         Quarterly Consolidated Financial Data (Unaudited)   HTML     72K 
                (Tables)                                                         
34: R42         Summary of Significant Accounting Policies          HTML    114K 
                (Details)                                                        
45: R43         Summary of Significant Accounting Policies          HTML     47K 
                Contractual Future Minimum Lease Receipt Table                   
                (Details)                                                        
49: R44         Acquisitions, Divestitures and Discontinued         HTML    119K 
                Operations (Textuals) (Details)                                  
59: R45         Property, Plant and Equipment, Net (Details)        HTML     72K 
21: R46         Variable Interest Entities and Unconsolidated       HTML     41K 
                Investments (Unconsolidated VIEs) (Details)                      
40: R47         Variable Interest Entities and Unconsolidated       HTML     47K 
                Investments (Unconsolidated Investements)                        
                (Details)                                                        
16: R48         Variable Interest Entities and Unconsolidated       HTML    103K 
                Investments (Equity Method Investment Summarized                 
                Financial Information) (Details)                                 
93: R49         Variable Interest Entities and Unconsolidated       HTML     66K 
                Investments (VIE Textuals) (Details)                             
33: R50         Debt (Debt) (Details)                               HTML     57K 
90: R51         Debt (Annual Debt Marturities) (Details)            HTML     58K 
37: R52         Debt Debt (First Lien Notes) (Details)              HTML     67K 
56: R53         Debt Senior Unsecured Notes (Details)               HTML     79K 
15: R54         Debt Debt (First Lien Term Loans) (Details)         HTML     50K 
19: R55         Debt CCFC Term Loans (Details)                      HTML     70K 
48: R56         Debt (Project Financing, Notes Payable and Others)  HTML     71K 
                (Details)                                                        
25: R57         Debt (Capital Lease Obligations) (Details)          HTML    101K 
97: R58         Debt (Corporate Revolving Facility and other        HTML     41K 
                Letters of Credit Facilities) (Details)                          
61: R59         Debt (Fair Value of Debt) (Details)                 HTML     53K 
81: R60         Debt (Textuals) (Details)                           HTML    104K 
39: R61         Assets and Liabilities with Recurring Fair Value    HTML    107K 
                Measurements (Details)                                           
42: R62         Assets and Liabilities with Recurring Fair Value    HTML     58K 
                Measurements Quantitative Information about Level                
                3 Fair Value Measurements (Details)                              
88: R63         Assets and Liabilities with Recurring Fair Value    HTML     82K 
                Measurements (Textuals) (Details)                                
85: R64         Derivative Instruments (Details)                    HTML     40K 
63: R65         Derivative Instruments (Details 2) (Details)        HTML    109K 
87: R66         Derivative Instruments (Details 3) (Details)        HTML     83K 
38: R67         Derivative Instruments (Details 4) (Details)        HTML     62K 
67: R68         Derivative Instruments (Textuals) (Details)         HTML     78K 
99: R69         Derivative Instruments (Detail 5) (Details)         HTML    112K 
18: R70         Use of Collateral (Details)                         HTML     62K 
31: R71         Income Taxes (Income Tax Expense (Benefit))         HTML     38K 
                (Details)                                                        
57: R72         Income Taxes (Components of Income Tax Expense      HTML     69K 
                (Benefit)) (Details)                                             
24: R73         Income Taxes (Effective Income Tax Expense          HTML     83K 
                (Benefit) Rate) (Details)                                        
102: R74         Income Taxes (Deferred Tax Assets and Liabilities)  HTML     79K  
                (Details)                                                        
35: R75         Income Taxes (Schedule of Income Tax Expense        HTML     38K 
                (Benefit) Intraperiod Tax Allocation) (Details)                  
26: R76         Income Taxes (Income Tax Contingencies) (Details)   HTML     46K 
30: R77         Income Taxes (Textuals) (Details)                   HTML     93K 
20: R78         Earnings (Loss) per Share (Details)                 HTML     46K 
23: R79         Stock-Based Compensation (Details)                  HTML    237K 
73: R80         Defined Contribution and Defined Benefit Plans      HTML     67K 
                (Details)                                                        
28: R81         Capital Structure (Details)                         HTML     97K 
98: R82         Commitments and Contingencies (Narrative)           HTML     55K 
                (Details)                                                        
54: R83         Commitments and Contingencies (Schedules of Future  HTML    108K 
                Minimum Rental Payments) (Details)                               
79: R84         Commitments and Contingencies (Schedule of          HTML     77K 
                Guarantor Obligations) (Details)                                 
86: R85         Segment and Significant Customer Information        HTML    238K 
                (Details)                                                        
27: R86         Quarterly Consolidated Financial Data (Unaudited)   HTML     60K 
                (Details)                                                        
29: R87         Schedule of Valuation and Qualifying Accounts       HTML     61K 
                Disclosure (Details)                                             
101: XML         IDEA XML File -- Filing Summary                      XML    158K  
17: EXCEL       IDEA Workbook of Financial Reports                  XLSX    435K 
44: EXCEL       IDEA Workbook of Financial Reports (.xls)            XLS   3.82M 
 8: EX-101.INS  XBRL Instance -- cpn-20141231                        XML   5.60M 
10: EX-101.CAL  XBRL Calculations -- cpn-20141231_cal                XML    457K 
11: EX-101.DEF  XBRL Definitions -- cpn-20141231_def                 XML   1.24M 
12: EX-101.LAB  XBRL Labels -- cpn-20141231_lab                      XML   2.98M 
13: EX-101.PRE  XBRL Presentations -- cpn-20141231_pre               XML   1.65M 
 9: EX-101.SCH  XBRL Schema -- cpn-20141231                          XSD    320K 
43: ZIP         XBRL Zipped Folder -- 0000916457-15-000010-xbrl      Zip    475K

‘EX-101.DEF’   —   XBRL Definitions — cpn-20141231_def

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- XBRL Document Created with Wdesk from Workiva, formerly WebFilings -->
<!-- -->
<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/AcquisitionsDivestituresAndDiscontinuedOperationsAcquisitionOfBroadRiverAndSouthPointLeasesDetails" xlink:href="cpn-20141231.xsd#AcquisitionsDivestituresAndDiscontinuedOperationsAcquisitionOfBroadRiverAndSouthPointLeasesDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/AcquisitionsDivestituresAndDiscontinuedOperationsAcquisitionsAndDivestituresNotes" xlink:href="cpn-20141231.xsd#AcquisitionsDivestituresAndDiscontinuedOperationsAcquisitionsAndDivestituresNotes" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/AcquisitionsDivestituresAndDiscontinuedOperationsConectivAcquisitionDetails" xlink:href="cpn-20141231.xsd#AcquisitionsDivestituresAndDiscontinuedOperationsConectivAcquisitionDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/AcquisitionsDivestituresAndDiscontinuedOperationsDiscontinuedOperationsDetails" xlink:href="cpn-20141231.xsd#AcquisitionsDivestituresAndDiscontinuedOperationsDiscontinuedOperationsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/AcquisitionsDivestituresAndDiscontinuedOperationsTables" xlink:href="cpn-20141231.xsd#AcquisitionsDivestituresAndDiscontinuedOperationsTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/AcquisitionsDivestituresAndDiscontinuedOperationsTextualsDetails" xlink:href="cpn-20141231.xsd#AcquisitionsDivestituresAndDiscontinuedOperationsTextualsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/AssetsAndLiabilitiesWithRecurringFairValueMeasurements" xlink:href="cpn-20141231.xsd#AssetsAndLiabilitiesWithRecurringFairValueMeasurements" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/AssetsAndLiabilitiesWithRecurringFairValueMeasurementsDetails" xlink:href="cpn-20141231.xsd#AssetsAndLiabilitiesWithRecurringFairValueMeasurementsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/AssetsAndLiabilitiesWithRecurringFairValueMeasurementsQuantitativeInformationAboutLevel3FairValueMeasurementsDetails" xlink:href="cpn-20141231.xsd#AssetsAndLiabilitiesWithRecurringFairValueMeasurementsQuantitativeInformationAboutLevel3FairValueMeasurementsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/AssetsAndLiabilitiesWithRecurringFairValueMeasurementsTables" xlink:href="cpn-20141231.xsd#AssetsAndLiabilitiesWithRecurringFairValueMeasurementsTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/AssetsAndLiabilitiesWithRecurringFairValueMeasurementsTextualsDetails" xlink:href="cpn-20141231.xsd#AssetsAndLiabilitiesWithRecurringFairValueMeasurementsTextualsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/CapitalStructure" xlink:href="cpn-20141231.xsd#CapitalStructure" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/CapitalStructureDetails" xlink:href="cpn-20141231.xsd#CapitalStructureDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/CapitalStructureTables" xlink:href="cpn-20141231.xsd#CapitalStructureTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/CommitmentsAndContingencies" xlink:href="cpn-20141231.xsd#CommitmentsAndContingencies" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/CommitmentsAndContingenciesNarrativeDetails" xlink:href="cpn-20141231.xsd#CommitmentsAndContingenciesNarrativeDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/CommitmentsAndContingenciesScheduleOfGuarantorObligationsDetails" xlink:href="cpn-20141231.xsd#CommitmentsAndContingenciesScheduleOfGuarantorObligationsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/CommitmentsAndContingenciesSchedulesOfFutureMinimumRentalPaymentsDetails" xlink:href="cpn-20141231.xsd#CommitmentsAndContingenciesSchedulesOfFutureMinimumRentalPaymentsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/CommitmentsAndContingenciesTables" xlink:href="cpn-20141231.xsd#CommitmentsAndContingenciesTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/ConsolidatedBalanceSheets" xlink:href="cpn-20141231.xsd#ConsolidatedBalanceSheets" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/ConsolidatedBalanceSheetsConsolidatedBalanceSheetsParentheticals" xlink:href="cpn-20141231.xsd#ConsolidatedBalanceSheetsConsolidatedBalanceSheetsParentheticals" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="cpn-20141231.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:href="cpn-20141231.xsd#ConsolidatedStatementsOfComprehensiveIncome" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/ConsolidatedStatementsOfOperations" xlink:href="cpn-20141231.xsd#ConsolidatedStatementsOfOperations" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/ConsolidatedStatementsOfStockholdersEquity" xlink:href="cpn-20141231.xsd#ConsolidatedStatementsOfStockholdersEquity" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/Debt" xlink:href="cpn-20141231.xsd#Debt" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtAnnualDebtMarturitiesDetails" xlink:href="cpn-20141231.xsd#DebtAnnualDebtMarturitiesDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtCapitalLeaseObligationsDetails" xlink:href="cpn-20141231.xsd#DebtCapitalLeaseObligationsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtCcfcTermLoansDetails" xlink:href="cpn-20141231.xsd#DebtCcfcTermLoansDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtCorporateRevolvingFacilityAndOtherLettersOfCreditFacilitiesDetails" xlink:href="cpn-20141231.xsd#DebtCorporateRevolvingFacilityAndOtherLettersOfCreditFacilitiesDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtDebtDetails" xlink:href="cpn-20141231.xsd#DebtDebtDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtDebtFirstLienNotesDetails" xlink:href="cpn-20141231.xsd#DebtDebtFirstLienNotesDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtDebtFirstLienTermLoansDetails" xlink:href="cpn-20141231.xsd#DebtDebtFirstLienTermLoansDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtFairValueOfDebtDetails" xlink:href="cpn-20141231.xsd#DebtFairValueOfDebtDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtProjectFinancingNotesPayableAndOthersDetails" xlink:href="cpn-20141231.xsd#DebtProjectFinancingNotesPayableAndOthersDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtSeniorUnsecuredNotesDetails" xlink:href="cpn-20141231.xsd#DebtSeniorUnsecuredNotesDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtTables" xlink:href="cpn-20141231.xsd#DebtTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DebtTextualsDetails" xlink:href="cpn-20141231.xsd#DebtTextualsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DefinedContributionAndDefinedBenefitPlans" xlink:href="cpn-20141231.xsd#DefinedContributionAndDefinedBenefitPlans" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DefinedContributionAndDefinedBenefitPlansDetails" xlink:href="cpn-20141231.xsd#DefinedContributionAndDefinedBenefitPlansDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DerivativeInstruments" xlink:href="cpn-20141231.xsd#DerivativeInstruments" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DerivativeInstrumentsDetail5Details" xlink:href="cpn-20141231.xsd#DerivativeInstrumentsDetail5Details" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DerivativeInstrumentsDetails" xlink:href="cpn-20141231.xsd#DerivativeInstrumentsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DerivativeInstrumentsDetails2Details" xlink:href="cpn-20141231.xsd#DerivativeInstrumentsDetails2Details" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DerivativeInstrumentsDetails3Details" xlink:href="cpn-20141231.xsd#DerivativeInstrumentsDetails3Details" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DerivativeInstrumentsDetails4Details" xlink:href="cpn-20141231.xsd#DerivativeInstrumentsDetails4Details" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DerivativeInstrumentsTables" xlink:href="cpn-20141231.xsd#DerivativeInstrumentsTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DerivativeInstrumentsTextualsDetails" xlink:href="cpn-20141231.xsd#DerivativeInstrumentsTextualsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/DocumentAndEntityInformationCover" xlink:href="cpn-20141231.xsd#DocumentAndEntityInformationCover" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/EarningsLossPerShare" xlink:href="cpn-20141231.xsd#EarningsLossPerShare" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/EarningsLossPerShareDetails" xlink:href="cpn-20141231.xsd#EarningsLossPerShareDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/EarningsLossPerShareTables" xlink:href="cpn-20141231.xsd#EarningsLossPerShareTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/IncomeTaxes" xlink:href="cpn-20141231.xsd#IncomeTaxes" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/IncomeTaxesComponentsOfIncomeTaxExpenseBenefitDetails" xlink:href="cpn-20141231.xsd#IncomeTaxesComponentsOfIncomeTaxExpenseBenefitDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/IncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails" xlink:href="cpn-20141231.xsd#IncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/IncomeTaxesEffectiveIncomeTaxExpenseBenefitRateDetails" xlink:href="cpn-20141231.xsd#IncomeTaxesEffectiveIncomeTaxExpenseBenefitRateDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/IncomeTaxesIncomeTaxContingenciesDetails" xlink:href="cpn-20141231.xsd#IncomeTaxesIncomeTaxContingenciesDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/IncomeTaxesIncomeTaxExpenseBenefitDetails" xlink:href="cpn-20141231.xsd#IncomeTaxesIncomeTaxExpenseBenefitDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/IncomeTaxesIncomeTaxesTables" xlink:href="cpn-20141231.xsd#IncomeTaxesIncomeTaxesTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/IncomeTaxesScheduleOfIncomeTaxExpenseBenefitIntraperiodTaxAllocationDetails" xlink:href="cpn-20141231.xsd#IncomeTaxesScheduleOfIncomeTaxExpenseBenefitIntraperiodTaxAllocationDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/IncomeTaxesTextualsDetails" xlink:href="cpn-20141231.xsd#IncomeTaxesTextualsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/OrganizationAndOperations" xlink:href="cpn-20141231.xsd#OrganizationAndOperations" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/PropertyPlantAndEquipmentNet" xlink:href="cpn-20141231.xsd#PropertyPlantAndEquipmentNet" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/PropertyPlantAndEquipmentNetDetails" xlink:href="cpn-20141231.xsd#PropertyPlantAndEquipmentNetDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/PropertyPlantAndEquipmentNetTables" xlink:href="cpn-20141231.xsd#PropertyPlantAndEquipmentNetTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/QuarterlyConsolidatedFinancialDataUnaudited" xlink:href="cpn-20141231.xsd#QuarterlyConsolidatedFinancialDataUnaudited" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/QuarterlyConsolidatedFinancialDataUnauditedDetails" xlink:href="cpn-20141231.xsd#QuarterlyConsolidatedFinancialDataUnauditedDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/QuarterlyConsolidatedFinancialDataUnauditedTables" xlink:href="cpn-20141231.xsd#QuarterlyConsolidatedFinancialDataUnauditedTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/ScheduleOfValuationAndQualifyingAccountsDisclosure" xlink:href="cpn-20141231.xsd#ScheduleOfValuationAndQualifyingAccountsDisclosure" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/ScheduleOfValuationAndQualifyingAccountsDisclosureDetails" xlink:href="cpn-20141231.xsd#ScheduleOfValuationAndQualifyingAccountsDisclosureDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/SegmentAndSignificantCustomerInformation" xlink:href="cpn-20141231.xsd#SegmentAndSignificantCustomerInformation" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/SegmentAndSignificantCustomerInformationDetails" xlink:href="cpn-20141231.xsd#SegmentAndSignificantCustomerInformationDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/SegmentAndSignificantCustomerInformationTables" xlink:href="cpn-20141231.xsd#SegmentAndSignificantCustomerInformationTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/StockBasedCompensation" xlink:href="cpn-20141231.xsd#StockBasedCompensation" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/StockBasedCompensationDetails" xlink:href="cpn-20141231.xsd#StockBasedCompensationDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/StockBasedCompensationTables" xlink:href="cpn-20141231.xsd#StockBasedCompensationTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="cpn-20141231.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/SummaryOfSignificantAccountingPoliciesContractualFutureMinimumLeaseReceiptTableDetails" xlink:href="cpn-20141231.xsd#SummaryOfSignificantAccountingPoliciesContractualFutureMinimumLeaseReceiptTableDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/SummaryOfSignificantAccountingPoliciesDetails" xlink:href="cpn-20141231.xsd#SummaryOfSignificantAccountingPoliciesDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:href="cpn-20141231.xsd#SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:href="cpn-20141231.xsd#SummaryOfSignificantAccountingPoliciesTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/UseOfCollateral" xlink:href="cpn-20141231.xsd#UseOfCollateral" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/UseOfCollateralDetails" xlink:href="cpn-20141231.xsd#UseOfCollateralDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/UseOfCollateralTables" xlink:href="cpn-20141231.xsd#UseOfCollateralTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/VariableInterestEntitiesAndUnconsolidatedInvestments" xlink:href="cpn-20141231.xsd#VariableInterestEntitiesAndUnconsolidatedInvestments" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/VariableInterestEntitiesAndUnconsolidatedInvestmentsEquityMethodInvestmentSummarizedFinancialInformationDetails" xlink:href="cpn-20141231.xsd#VariableInterestEntitiesAndUnconsolidatedInvestmentsEquityMethodInvestmentSummarizedFinancialInformationDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/VariableInterestEntitiesAndUnconsolidatedInvestmentsTables" xlink:href="cpn-20141231.xsd#VariableInterestEntitiesAndUnconsolidatedInvestmentsTables" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/VariableInterestEntitiesAndUnconsolidatedInvestmentsUnconsolidatedInvestementsDetails" xlink:href="cpn-20141231.xsd#VariableInterestEntitiesAndUnconsolidatedInvestmentsUnconsolidatedInvestementsDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/VariableInterestEntitiesAndUnconsolidatedInvestmentsUnconsolidatedViesDetails" xlink:href="cpn-20141231.xsd#VariableInterestEntitiesAndUnconsolidatedInvestmentsUnconsolidatedViesDetails" xlink:type="simple"/>
<roleRef roleURI="http://www.calpine.com/role/VariableInterestEntitiesAndUnconsolidatedInvestmentsVieTextualsDetails" xlink:href="cpn-20141231.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/AcquisitionsDivestituresAndDiscontinuedOperationsAcquisitionOfBroadRiverAndSouthPointLeasesDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_449D7BAC7BD1C68EC9D66121AAC9D3C4" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6D82BE9C9162921341A06121AAC989BA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_449D7BAC7BD1C68EC9D66121AAC9D3C4" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6D82BE9C9162921341A06121AAC989BA" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_A6528BF71F663648D3AC6121AAC95E00" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6D82BE9C9162921341A06121AAC989BA" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_A6528BF71F663648D3AC6121AAC95E00" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0F1A25B17BDAFC397A116121AAC9449E_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_A6528BF71F663648D3AC6121AAC95E00" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0F1A25B17BDAFC397A116121AAC9449E_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0F1A25B17BDAFC397A116121AAC9449E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_A6528BF71F663648D3AC6121AAC95E00" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0F1A25B17BDAFC397A116121AAC9449E" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/AcquisitionsDivestituresAndDiscontinuedOperationsAcquisitionsAndDivestituresNotes" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/AcquisitionsDivestituresAndDiscontinuedOperationsConectivAcquisitionDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_239F95D4F087DD9826BD9A71A2F7124C" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_BCA70006D3A8BACF7C719A71A2F7B474" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_239F95D4F087DD9826BD9A71A2F7124C" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_BCA70006D3A8BACF7C719A71A2F7B474" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_7867FD1F0EB5148DC4219A71A2F709E3" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_BCA70006D3A8BACF7C719A71A2F7B474" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_7867FD1F0EB5148DC4219A71A2F709E3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A957A70ABE26B737EFAB9A71A2F7D2BA_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_7867FD1F0EB5148DC4219A71A2F709E3" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A957A70ABE26B737EFAB9A71A2F7D2BA_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A957A70ABE26B737EFAB9A71A2F7D2BA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_7867FD1F0EB5148DC4219A71A2F709E3" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A957A70ABE26B737EFAB9A71A2F7D2BA" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/AcquisitionsDivestituresAndDiscontinuedOperationsDiscontinuedOperationsDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_072D0783D0F51FB2466E9A71A1DF8754" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_CC8D87863359BB609EDC9A71A1DF9F91" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_072D0783D0F51FB2466E9A71A1DF8754" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_CC8D87863359BB609EDC9A71A1DF9F91" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_2744B7902AC1C001B4F29A71A1DF905E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_CC8D87863359BB609EDC9A71A1DF9F91" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_2744B7902AC1C001B4F29A71A1DF905E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_233C7F6B458448B1A55A9A71A1DFEF75_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_2744B7902AC1C001B4F29A71A1DF905E" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_233C7F6B458448B1A55A9A71A1DFEF75_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_233C7F6B458448B1A55A9A71A1DFEF75" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_2744B7902AC1C001B4F29A71A1DF905E" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_233C7F6B458448B1A55A9A71A1DFEF75" xlink:type="arc"/>
</definitionLink>
<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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_29AB9386CAE149BDC47560524FBCC710" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_AF53B348B2F3CE5B3D6460524FAF99A0" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_29AB9386CAE149BDC47560524FBCC710" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_AF53B348B2F3CE5B3D6460524FAF99A0" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PowerPlantAxis" xlink:label="loc_cpn_PowerPlantAxis_D9AC6FBBD61674942F5260524FAF22AB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_AF53B348B2F3CE5B3D6460524FAF99A0" xlink:to="loc_cpn_PowerPlantAxis_D9AC6FBBD61674942F5260524FAF22AB" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PowerPlantDomain" xlink:label="loc_cpn_PowerPlantDomain_E1DE9E04D55D9A6BAB7660524FAF147B_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_cpn_PowerPlantAxis_D9AC6FBBD61674942F5260524FAF22AB" xlink:to="loc_cpn_PowerPlantDomain_E1DE9E04D55D9A6BAB7660524FAF147B_default" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PowerPlantDomain" xlink:label="loc_cpn_PowerPlantDomain_E1DE9E04D55D9A6BAB7660524FAF147B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_cpn_PowerPlantAxis_D9AC6FBBD61674942F5260524FAF22AB" xlink:to="loc_cpn_PowerPlantDomain_E1DE9E04D55D9A6BAB7660524FAF147B" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_OnetaEnergyCenterMember" xlink:label="loc_cpn_OnetaEnergyCenterMember_A2FA62C8C644653B322360524FAF1970" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_PowerPlantDomain_E1DE9E04D55D9A6BAB7660524FAF147B" xlink:to="loc_cpn_OnetaEnergyCenterMember_A2FA62C8C644653B322360524FAF1970" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CarvilleEnergyCenterMember" xlink:label="loc_cpn_CarvilleEnergyCenterMember_0DDCC179DFF7B4596BD460524FB55733" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_PowerPlantDomain_E1DE9E04D55D9A6BAB7660524FAF147B" xlink:to="loc_cpn_CarvilleEnergyCenterMember_0DDCC179DFF7B4596BD460524FB55733" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_DecaturEnergyCenterMember" xlink:label="loc_cpn_DecaturEnergyCenterMember_8B65FFC8D4C35A85164560524FB578BD" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_PowerPlantDomain_E1DE9E04D55D9A6BAB7660524FAF147B" xlink:to="loc_cpn_DecaturEnergyCenterMember_8B65FFC8D4C35A85164560524FB578BD" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_HogBayouEnergyCenterMember" xlink:label="loc_cpn_HogBayouEnergyCenterMember_91DCC0FB967BDC35B56360524FB53223" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_PowerPlantDomain_E1DE9E04D55D9A6BAB7660524FAF147B" xlink:to="loc_cpn_HogBayouEnergyCenterMember_91DCC0FB967BDC35B56360524FB53223" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_SantaRosaEnergyCenterMember" xlink:label="loc_cpn_SantaRosaEnergyCenterMember_86D31108C7F2E65883F660524FB585C6" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_PowerPlantDomain_E1DE9E04D55D9A6BAB7660524FAF147B" xlink:to="loc_cpn_SantaRosaEnergyCenterMember_86D31108C7F2E65883F660524FB585C6" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_ColumbiaEnergyCenterMember" xlink:label="loc_cpn_ColumbiaEnergyCenterMember_B84F2A0F2895AC8CDBF960524FB52461" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_PowerPlantDomain_E1DE9E04D55D9A6BAB7660524FAF147B" xlink:to="loc_cpn_ColumbiaEnergyCenterMember_B84F2A0F2895AC8CDBF960524FB52461" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_SixPowerPlantsMember" xlink:label="loc_cpn_SixPowerPlantsMember_0345750B7B0B5F3E910A60524FB5E5A0" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_PowerPlantDomain_E1DE9E04D55D9A6BAB7660524FAF147B" xlink:to="loc_cpn_SixPowerPlantsMember_0345750B7B0B5F3E910A60524FB5E5A0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_93EDA964F6EC05EE6F9460524FB529B6" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_AF53B348B2F3CE5B3D6460524FAF99A0" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_93EDA964F6EC05EE6F9460524FB529B6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_97673C5443F2F5C018CA60524FB58035_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_93EDA964F6EC05EE6F9460524FB529B6" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_97673C5443F2F5C018CA60524FB58035_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_97673C5443F2F5C018CA60524FB58035" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_93EDA964F6EC05EE6F9460524FB529B6" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_97673C5443F2F5C018CA60524FB58035" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_OnetaEnergyCenterMember" xlink:label="loc_cpn_OnetaEnergyCenterMember_579B88E2940C220FF77260524FB5A56E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_97673C5443F2F5C018CA60524FB58035" xlink:to="loc_cpn_OnetaEnergyCenterMember_579B88E2940C220FF77260524FB5A56E" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CarvilleEnergyCenterMember" xlink:label="loc_cpn_CarvilleEnergyCenterMember_4EB697F36A44733E685360524FB68AC5" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_97673C5443F2F5C018CA60524FB58035" xlink:to="loc_cpn_CarvilleEnergyCenterMember_4EB697F36A44733E685360524FB68AC5" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_DecaturEnergyCenterMember" xlink:label="loc_cpn_DecaturEnergyCenterMember_65C3439B7084ABF3659760524FB6AF65" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_97673C5443F2F5C018CA60524FB58035" xlink:to="loc_cpn_DecaturEnergyCenterMember_65C3439B7084ABF3659760524FB6AF65" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_HogBayouEnergyCenterMember" xlink:label="loc_cpn_HogBayouEnergyCenterMember_1BA08841F1F464FE9A1160524FB646E8" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_97673C5443F2F5C018CA60524FB58035" xlink:to="loc_cpn_HogBayouEnergyCenterMember_1BA08841F1F464FE9A1160524FB646E8" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_SantaRosaEnergyCenterMember" xlink:label="loc_cpn_SantaRosaEnergyCenterMember_1CC68C1730529AC19C7960524FB65B9E" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_97673C5443F2F5C018CA60524FB58035" xlink:to="loc_cpn_SantaRosaEnergyCenterMember_1CC68C1730529AC19C7960524FB65B9E" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_ColumbiaEnergyCenterMember" xlink:label="loc_cpn_ColumbiaEnergyCenterMember_CF52B3D8BEF0AA9D69BC60524FB67AF8" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_97673C5443F2F5C018CA60524FB58035" xlink:to="loc_cpn_ColumbiaEnergyCenterMember_CF52B3D8BEF0AA9D69BC60524FB67AF8" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_SixPowerPlantsMember" xlink:label="loc_cpn_SixPowerPlantsMember_ACF69DB281D68B76EC0C60524FB67107" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_97673C5443F2F5C018CA60524FB58035" xlink:to="loc_cpn_SixPowerPlantsMember_ACF69DB281D68B76EC0C60524FB67107" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_584B627816DFB4AE5F0B60524FB6B258" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_AF53B348B2F3CE5B3D6460524FAF99A0" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_584B627816DFB4AE5F0B60524FB6B258" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_12DC0A81F63DA03A104260524FB67926_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_584B627816DFB4AE5F0B60524FB6B258" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_12DC0A81F63DA03A104260524FB67926_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_12DC0A81F63DA03A104260524FB67926" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_584B627816DFB4AE5F0B60524FB6B258" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_12DC0A81F63DA03A104260524FB67926" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_IncrementalCCFCTermLoansMember" xlink:label="loc_cpn_IncrementalCCFCTermLoansMember_CE722921C974178A44A860524FBB5EBA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_12DC0A81F63DA03A104260524FB67926" xlink:to="loc_cpn_IncrementalCCFCTermLoansMember_CE722921C974178A44A860524FBB5EBA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_4956CFCF2DC0CF1CC7FD60524FBBAD85" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_AF53B348B2F3CE5B3D6460524FAF99A0" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_4956CFCF2DC0CF1CC7FD60524FBBAD85" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_9CF594D97E684C1833D260524FBBDACB_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_4956CFCF2DC0CF1CC7FD60524FBBAD85" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_9CF594D97E684C1833D260524FBBDACB_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_9CF594D97E684C1833D260524FBBDACB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_4956CFCF2DC0CF1CC7FD60524FBBAD85" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_9CF594D97E684C1833D260524FBBDACB" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_ForeRiverEnergyCenterMember" xlink:label="loc_cpn_ForeRiverEnergyCenterMember_C9777BC16270662C47A160524FBC532F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_9CF594D97E684C1833D260524FBBDACB" xlink:to="loc_cpn_ForeRiverEnergyCenterMember_C9777BC16270662C47A160524FBC532F" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GuadalupeEnergyCenterMember" xlink:label="loc_cpn_GuadalupeEnergyCenterMember_1303F88F105C0827D18460524FBCCA1E" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_9CF594D97E684C1833D260524FBBDACB" xlink:to="loc_cpn_GuadalupeEnergyCenterMember_1303F88F105C0827D18460524FBCCA1E" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GuadalupeExpansionCapacityMember" xlink:label="loc_cpn_GuadalupeExpansionCapacityMember_1D94E549B0F1D5CBEB6160524FBC0811" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_9CF594D97E684C1833D260524FBBDACB" xlink:to="loc_cpn_GuadalupeExpansionCapacityMember_1D94E549B0F1D5CBEB6160524FBC0811" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_BosqueEnergyCenterMember" xlink:label="loc_cpn_BosqueEnergyCenterMember_0DECC31767904DFC4E8660524FBC498A" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_9CF594D97E684C1833D260524FBBDACB" xlink:to="loc_cpn_BosqueEnergyCenterMember_0DECC31767904DFC4E8660524FBC498A" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_RiversideEnergyCenterMember" xlink:label="loc_cpn_RiversideEnergyCenterMember_DE51A3E8F4CC82FBAC1060524FBCAA14" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_9CF594D97E684C1833D260524FBBDACB" xlink:to="loc_cpn_RiversideEnergyCenterMember_DE51A3E8F4CC82FBAC1060524FBCAA14" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_BroadRiverEnergyCenterMemberDomain" xlink:label="loc_cpn_BroadRiverEnergyCenterMemberDomain_CC2AB281DD7FD8BF62D060524FBCFA1A" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_9CF594D97E684C1833D260524FBBDACB" xlink:to="loc_cpn_BroadRiverEnergyCenterMemberDomain_CC2AB281DD7FD8BF62D060524FBCFA1A" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_FreestoneEnergyCenterMember" xlink:label="loc_cpn_FreestoneEnergyCenterMember_838AB0A1BA54ECA7F9C960524FBCC56B" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_9CF594D97E684C1833D260524FBBDACB" xlink:to="loc_cpn_FreestoneEnergyCenterMember_838AB0A1BA54ECA7F9C960524FBCC56B" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PowerGenerationCapacity" xlink:label="loc_cpn_PowerGenerationCapacity_2B4A605A3C50E0CBAE0A60524FBC42A1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_29AB9386CAE149BDC47560524FBCC710" xlink:to="loc_cpn_PowerGenerationCapacity_2B4A605A3C50E0CBAE0A60524FBC42A1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_2ADDE3FC8381C252B38560524FBC1FE7" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_29AB9386CAE149BDC47560524FBCC710" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_2ADDE3FC8381C252B38560524FBC1FE7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromSaleOfProductiveAssets" xlink:label="loc_us-gaap_ProceedsFromSaleOfProductiveAssets_2EFA949F6CC04AE099EA60524FBC5CC5" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_29AB9386CAE149BDC47560524FBCC710" xlink:to="loc_us-gaap_ProceedsFromSaleOfProductiveAssets_2EFA949F6CC04AE099EA60524FBC5CC5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_C397403D3357AAC8C8A160524FBC0652" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_29AB9386CAE149BDC47560524FBCC710" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_C397403D3357AAC8C8A160524FBC0652" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_Numberofpowerplantstobedisposedof" xlink:label="loc_cpn_Numberofpowerplantstobedisposedof_7A40376D927F0BA07F2960524FBC6C2D" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_29AB9386CAE149BDC47560524FBCC710" xlink:to="loc_cpn_Numberofpowerplantstobedisposedof_7A40376D927F0BA07F2960524FBC6C2D" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_BlockOnePowerGenerationCapacity" xlink:label="loc_cpn_BlockOnePowerGenerationCapacity_D4C1B20BB092977093E460524FC249A5" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_29AB9386CAE149BDC47560524FBCC710" xlink:to="loc_cpn_BlockOnePowerGenerationCapacity_D4C1B20BB092977093E460524FC249A5" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_BlockTwoPowerGenerationCapacity" xlink:label="loc_cpn_BlockTwoPowerGenerationCapacity_6C0EAB6D39EC7E740DCA60524FC2BC79" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_29AB9386CAE149BDC47560524FBCC710" xlink:to="loc_cpn_BlockTwoPowerGenerationCapacity_6C0EAB6D39EC7E740DCA60524FC2BC79" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets_AA4DB5A780AF5BCE31E360524FC29F84" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_29AB9386CAE149BDC47560524FBCC710" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets_AA4DB5A780AF5BCE31E360524FC29F84" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_OwnershipPercentageBeforeDivestitureOfBusiness" xlink:label="loc_cpn_OwnershipPercentageBeforeDivestitureOfBusiness_55499CDE015311BCC99060524FC21E66" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_29AB9386CAE149BDC47560524FBCC710" xlink:to="loc_cpn_OwnershipPercentageBeforeDivestitureOfBusiness_55499CDE015311BCC99060524FC21E66" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_WorkingCapitalAdjustmenttoSaleprice" xlink:label="loc_cpn_WorkingCapitalAdjustmenttoSaleprice_1A7457AA55A4D8D04FF660524FC22637" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_29AB9386CAE149BDC47560524FBCC710" xlink:to="loc_cpn_WorkingCapitalAdjustmenttoSaleprice_1A7457AA55A4D8D04FF660524FC22637" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostOfPropertyRepairsAndMaintenance" xlink:label="loc_us-gaap_CostOfPropertyRepairsAndMaintenance_AF77D79E37A969C785206056CD5A222E" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_29AB9386CAE149BDC47560524FBCC710" xlink:to="loc_us-gaap_CostOfPropertyRepairsAndMaintenance_AF77D79E37A969C785206056CD5A222E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationLiability" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_2119B8CB29312011A3D360524FC259D4" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_29AB9386CAE149BDC47560524FBCC710" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_2119B8CB29312011A3D360524FC259D4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets1" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_9149F36DB011590E0DBC60524FC23FF2" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_29AB9386CAE149BDC47560524FBCC710" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_9149F36DB011590E0DBC60524FC23FF2" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4CAF41199289C158825A9A71A2B9ACBD" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3E032D320124234C46FE9A71A2B99A8F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4CAF41199289C158825A9A71A2B9ACBD" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3E032D320124234C46FE9A71A2B99A8F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_34A357082092246246589A71A2B98315" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3E032D320124234C46FE9A71A2B99A8F" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_34A357082092246246589A71A2B98315" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_00DCD48D586CA54A47369A71A2B9FADF_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_34A357082092246246589A71A2B98315" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_00DCD48D586CA54A47369A71A2B9FADF_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_00DCD48D586CA54A47369A71A2B9FADF" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_34A357082092246246589A71A2B98315" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_00DCD48D586CA54A47369A71A2B9FADF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_E52AD2F2CD7D19DFDF8D9A71A2B9FE74" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_00DCD48D586CA54A47369A71A2B9FADF" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_E52AD2F2CD7D19DFDF8D9A71A2B9FE74" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_D3023174F8F32092EF449A71A2B90D71" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_00DCD48D586CA54A47369A71A2B9FADF" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_D3023174F8F32092EF449A71A2B90D71" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_BA8D0E2F3D9592DC40069A71A2B9CBF0" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_00DCD48D586CA54A47369A71A2B9FADF" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_BA8D0E2F3D9592DC40069A71A2B9CBF0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_C9B286491769A2AB6AFE9A71A2B9997F" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_3E032D320124234C46FE9A71A2B99A8F" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_C9B286491769A2AB6AFE9A71A2B9997F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_25054FDC11E491ABFEA69A71A2B954C5_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_C9B286491769A2AB6AFE9A71A2B9997F" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_25054FDC11E491ABFEA69A71A2B954C5_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_25054FDC11E491ABFEA69A71A2B954C5" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_C9B286491769A2AB6AFE9A71A2B9997F" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_25054FDC11E491ABFEA69A71A2B954C5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_DD852A1B2AA1586DA9F79A71A2B964D1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4CAF41199289C158825A9A71A2B9ACBD" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_DD852A1B2AA1586DA9F79A71A2B964D1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MarginDepositAssets" xlink:label="loc_us-gaap_MarginDepositAssets_43562FF0A7CA45C09FE49A71A2B992E7" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4CAF41199289C158825A9A71A2B9ACBD" xlink:to="loc_us-gaap_MarginDepositAssets_43562FF0A7CA45C09FE49A71A2B992E7" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CommodityFuturesContractsAssetsFairValueDisclosure" xlink:label="loc_cpn_CommodityFuturesContractsAssetsFairValueDisclosure_10013AD7D2D07CD1D16C9A71A2B9C213" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4CAF41199289C158825A9A71A2B9ACBD" xlink:to="loc_cpn_CommodityFuturesContractsAssetsFairValueDisclosure_10013AD7D2D07CD1D16C9A71A2B9C213" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CommodityForwardContractsAssetsFairValueDisclosure" xlink:label="loc_cpn_CommodityForwardContractsAssetsFairValueDisclosure_44C90C42A37EB54346879A71A2B9EEF2" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4CAF41199289C158825A9A71A2B9ACBD" xlink:to="loc_cpn_CommodityForwardContractsAssetsFairValueDisclosure_44C90C42A37EB54346879A71A2B9EEF2" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_InterestRateSwapAssetsFairValueDisclosure" xlink:label="loc_cpn_InterestRateSwapAssetsFairValueDisclosure_C834B621F940EFC34CCF9A71A2B9450C" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4CAF41199289C158825A9A71A2B9ACBD" xlink:to="loc_cpn_InterestRateSwapAssetsFairValueDisclosure_C834B621F940EFC34CCF9A71A2B9450C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_3ACC37DD43BA876C0E659A71A2B97D86" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4CAF41199289C158825A9A71A2B9ACBD" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_3ACC37DD43BA876C0E659A71A2B97D86" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SecurityDepositLiability" xlink:label="loc_us-gaap_SecurityDepositLiability_0F50060C79D3ED563F239A71A2B9A11F" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4CAF41199289C158825A9A71A2B9ACBD" xlink:to="loc_us-gaap_SecurityDepositLiability_0F50060C79D3ED563F239A71A2B9A11F" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CommodityFuturesContractsLiabilitiesFairValueDisclosure" xlink:label="loc_cpn_CommodityFuturesContractsLiabilitiesFairValueDisclosure_AFA1FCB8AB66B06800289A71A2B97213" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4CAF41199289C158825A9A71A2B9ACBD" xlink:to="loc_cpn_CommodityFuturesContractsLiabilitiesFairValueDisclosure_AFA1FCB8AB66B06800289A71A2B97213" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CommodityForwardContractsLiabilitiesFairValueDisclosure" xlink:label="loc_cpn_CommodityForwardContractsLiabilitiesFairValueDisclosure_27160295FD88012054029A71A2B9D7E1" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4CAF41199289C158825A9A71A2B9ACBD" xlink:to="loc_cpn_CommodityForwardContractsLiabilitiesFairValueDisclosure_27160295FD88012054029A71A2B9D7E1" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_InterestRateSwapLiabilitiesFairValueDisclosure" xlink:label="loc_cpn_InterestRateSwapLiabilitiesFairValueDisclosure_5C971F827874163372509A71A2B902DC" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4CAF41199289C158825A9A71A2B9ACBD" xlink:to="loc_cpn_InterestRateSwapLiabilitiesFairValueDisclosure_5C971F827874163372509A71A2B902DC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_40CD7B467C5865228EEA9A71A2B94085" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4CAF41199289C158825A9A71A2B9ACBD" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_40CD7B467C5865228EEA9A71A2B94085" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/AssetsAndLiabilitiesWithRecurringFairValueMeasurementsQuantitativeInformationAboutLevel3FairValueMeasurementsDetails" xlink:type="extended">
<loc xlink:href="cpn-20141231.xsd#cpn_QuantitativeInformationAboutLevel3FairValueMeasurementsLineItems" xlink:label="loc_cpn_QuantitativeInformationAboutLevel3FairValueMeasurementsLineItems_EBE8D913600C7567643A5A6285AA3280" xlink:type="locator"/>
<loc xlink:href="cpn-20141231.xsd#cpn_QuantitativeInformationAboutLevel3FairValueMeasurementsTable" xlink:label="loc_cpn_QuantitativeInformationAboutLevel3FairValueMeasurementsTable_FF673B12D0B2ABB666DD5A6285A90E54" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_cpn_QuantitativeInformationAboutLevel3FairValueMeasurementsLineItems_EBE8D913600C7567643A5A6285AA3280" xlink:to="loc_cpn_QuantitativeInformationAboutLevel3FairValueMeasurementsTable_FF673B12D0B2ABB666DD5A6285A90E54" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_FDE4232F59D904B2DC775A6285A923B5" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_QuantitativeInformationAboutLevel3FairValueMeasurementsTable_FF673B12D0B2ABB666DD5A6285A90E54" xlink:to="loc_us-gaap_RangeAxis_FDE4232F59D904B2DC775A6285A923B5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_D11D6A38ABCFBF29177D5A6285A9922E_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_FDE4232F59D904B2DC775A6285A923B5" xlink:to="loc_us-gaap_RangeMember_D11D6A38ABCFBF29177D5A6285A9922E_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_D11D6A38ABCFBF29177D5A6285A9922E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_FDE4232F59D904B2DC775A6285A923B5" xlink:to="loc_us-gaap_RangeMember_D11D6A38ABCFBF29177D5A6285A9922E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_EECFCDB6BB2B444283DF5A6285A97004" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_D11D6A38ABCFBF29177D5A6285A9922E" xlink:to="loc_us-gaap_MinimumMember_EECFCDB6BB2B444283DF5A6285A97004" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_E7BFF3D8F2E1C814992F5A6285AAD983" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_D11D6A38ABCFBF29177D5A6285A9922E" xlink:to="loc_us-gaap_MaximumMember_E7BFF3D8F2E1C814992F5A6285AAD983" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueByLiabilityClassAxis" xlink:label="loc_us-gaap_FairValueByLiabilityClassAxis_900C1172E5BE9B83F09A5A6285AA4984" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_QuantitativeInformationAboutLevel3FairValueMeasurementsTable_FF673B12D0B2ABB666DD5A6285A90E54" xlink:to="loc_us-gaap_FairValueByLiabilityClassAxis_900C1172E5BE9B83F09A5A6285AA4984" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_8211A5180E6133F49FEF5A6285AAA4CC_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_900C1172E5BE9B83F09A5A6285AA4984" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_8211A5180E6133F49FEF5A6285AAA4CC_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_8211A5180E6133F49FEF5A6285AAA4CC" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_900C1172E5BE9B83F09A5A6285AA4984" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_8211A5180E6133F49FEF5A6285AAA4CC" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PhysicalPowerMember" xlink:label="loc_cpn_PhysicalPowerMember_EB3B349AC0C709DC15C65A6285AA0557" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_8211A5180E6133F49FEF5A6285AAA4CC" xlink:to="loc_cpn_PhysicalPowerMember_EB3B349AC0C709DC15C65A6285AA0557" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NaturalGasReservesMember" xlink:label="loc_us-gaap_NaturalGasReservesMember_DE43BC8871DB4D701A615A6285AADB00" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_8211A5180E6133F49FEF5A6285AAA4CC" xlink:to="loc_us-gaap_NaturalGasReservesMember_DE43BC8871DB4D701A615A6285AADB00" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PowerCongestionProductsMember" xlink:label="loc_cpn_PowerCongestionProductsMember_A407C131F57F72F36C275A6285AAA6A2" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_8211A5180E6133F49FEF5A6285AAA4CC" xlink:to="loc_cpn_PowerCongestionProductsMember_A407C131F57F72F36C275A6285AAA6A2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeNet" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_A9FE03907137B0BDF9E45A6285AA80F7" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_QuantitativeInformationAboutLevel3FairValueMeasurementsLineItems_EBE8D913600C7567643A5A6285AA3280" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeNet_A9FE03907137B0BDF9E45A6285AA80F7" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_FairValueInputsQuantitativeInformation" xlink:label="loc_cpn_FairValueInputsQuantitativeInformation_2E4FD5D0B57A686E437E5A6285AA7478" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_QuantitativeInformationAboutLevel3FairValueMeasurementsLineItems_EBE8D913600C7567643A5A6285AA3280" xlink:to="loc_cpn_FairValueInputsQuantitativeInformation_2E4FD5D0B57A686E437E5A6285AA7478" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/AssetsAndLiabilitiesWithRecurringFairValueMeasurementsTables" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueOptionQuantitativeDisclosuresLineItems" xlink:label="loc_us-gaap_FairValueOptionQuantitativeDisclosuresLineItems_45319BF254BA859CCB32D2F1742CA094" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueOptionQuantitativeDisclosuresTable" xlink:label="loc_us-gaap_FairValueOptionQuantitativeDisclosuresTable_6732B525A76BCE6D8C1FD2F1742CE1EF" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueOptionQuantitativeDisclosuresLineItems_45319BF254BA859CCB32D2F1742CA094" xlink:to="loc_us-gaap_FairValueOptionQuantitativeDisclosuresTable_6732B525A76BCE6D8C1FD2F1742CE1EF" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EligibleItemOrGroupForFairValueOptionAxis" xlink:label="loc_us-gaap_EligibleItemOrGroupForFairValueOptionAxis_23EAD718663A38B1EA86D2F1742C6A35" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueOptionQuantitativeDisclosuresTable_6732B525A76BCE6D8C1FD2F1742CE1EF" xlink:to="loc_us-gaap_EligibleItemOrGroupForFairValueOptionAxis_23EAD718663A38B1EA86D2F1742C6A35" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueOptionEligibleItemOrGroupDomain" xlink:label="loc_us-gaap_FairValueOptionEligibleItemOrGroupDomain_0F069748413EAA02F8D1D2F1742CFAC2_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_EligibleItemOrGroupForFairValueOptionAxis_23EAD718663A38B1EA86D2F1742C6A35" xlink:to="loc_us-gaap_FairValueOptionEligibleItemOrGroupDomain_0F069748413EAA02F8D1D2F1742CFAC2_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueOptionEligibleItemOrGroupDomain" xlink:label="loc_us-gaap_FairValueOptionEligibleItemOrGroupDomain_0F069748413EAA02F8D1D2F1742CFAC2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_EligibleItemOrGroupForFairValueOptionAxis_23EAD718663A38B1EA86D2F1742C6A35" xlink:to="loc_us-gaap_FairValueOptionEligibleItemOrGroupDomain_0F069748413EAA02F8D1D2F1742CFAC2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_3BF234FD57E09B86967AD2F1742C76BA" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueOptionQuantitativeDisclosuresTable_6732B525A76BCE6D8C1FD2F1742CE1EF" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_3BF234FD57E09B86967AD2F1742C76BA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_9F8B5324BF78E74BAC6ED2F1742CD018_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_3BF234FD57E09B86967AD2F1742C76BA" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_9F8B5324BF78E74BAC6ED2F1742CD018_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_9F8B5324BF78E74BAC6ED2F1742CD018" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_3BF234FD57E09B86967AD2F1742C76BA" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_9F8B5324BF78E74BAC6ED2F1742CD018" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_FB54AC52736C0FD8C753D2F1742CB973" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueOptionQuantitativeDisclosuresLineItems_45319BF254BA859CCB32D2F1742CA094" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_FB54AC52736C0FD8C753D2F1742CB973" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueInputsAssetsQuantitativeInformationTableTextBlock" xlink:label="loc_us-gaap_FairValueInputsAssetsQuantitativeInformationTableTextBlock_0C4F673593E1C15208BFD2F1742C9E2F" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueOptionQuantitativeDisclosuresLineItems_45319BF254BA859CCB32D2F1742CA094" xlink:to="loc_us-gaap_FairValueInputsAssetsQuantitativeInformationTableTextBlock_0C4F673593E1C15208BFD2F1742C9E2F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_2D633E91C2E944165049D2F1742CA6BF" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueOptionQuantitativeDisclosuresLineItems_45319BF254BA859CCB32D2F1742CA094" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_2D633E91C2E944165049D2F1742CA6BF" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/AssetsAndLiabilitiesWithRecurringFairValueMeasurementsTextualsDetails" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_A6AF0E4A6F3C762FBB0CD2F173FDE6C6" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_2D6A378241BC11D7DB88D2F173FDACC1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_A6AF0E4A6F3C762FBB0CD2F173FDE6C6" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_2D6A378241BC11D7DB88D2F173FDACC1" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueByAssetClassAxis" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_89EF0221F7B18D8D041AD2F173FD17F2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_2D6A378241BC11D7DB88D2F173FDACC1" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_89EF0221F7B18D8D041AD2F173FD17F2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_1ED5CC12E360723E2904D2F173FDF89F_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_89EF0221F7B18D8D041AD2F173FD17F2" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_1ED5CC12E360723E2904D2F173FDF89F_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_1ED5CC12E360723E2904D2F173FDF89F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_89EF0221F7B18D8D041AD2F173FD17F2" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_1ED5CC12E360723E2904D2F173FDF89F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_4FF2F2504BDCE6330229D2F173FDDD4D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_A6AF0E4A6F3C762FBB0CD2F173FDE6C6" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_4FF2F2504BDCE6330229D2F173FDDD4D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_FB47D3647E535BD177B7D2F173FD2827" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_4FF2F2504BDCE6330229D2F173FDDD4D" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_FB47D3647E535BD177B7D2F173FD2827" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsAbstract" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsAbstract_83838B0D2402D3F11CA6D2F173FDC4E5" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_4FF2F2504BDCE6330229D2F173FDDD4D" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsAbstract_83838B0D2402D3F11CA6D2F173FDC4E5" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_FairValueAssetsMeasuredWithUnobservableInputsOnRecurringBasisGainLossIncludedInOperatingRevenue" xlink:label="loc_cpn_FairValueAssetsMeasuredWithUnobservableInputsOnRecurringBasisGainLossIncludedInOperatingRevenue_0C6A07E01F65FCBA559CD2F173FD0704" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsAbstract_83838B0D2402D3F11CA6D2F173FDC4E5" xlink:to="loc_cpn_FairValueAssetsMeasuredWithUnobservableInputsOnRecurringBasisGainLossIncludedInOperatingRevenue_0C6A07E01F65FCBA559CD2F173FD0704" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_FairValueAssetsMeasuredwithUnobservableInputsonRecurringBasisGainLossIncludedInFuelAndPurchasedEnergyExpense" xlink:label="loc_cpn_FairValueAssetsMeasuredwithUnobservableInputsonRecurringBasisGainLossIncludedInFuelAndPurchasedEnergyExpense_5EB2C0CE4A9C952C359CD2F173FD508D" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsAbstract_83838B0D2402D3F11CA6D2F173FDC4E5" xlink:to="loc_cpn_FairValueAssetsMeasuredwithUnobservableInputsonRecurringBasisGainLossIncludedInFuelAndPurchasedEnergyExpense_5EB2C0CE4A9C952C359CD2F173FD508D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_C340E084A7C6D760EC96D2F173FDF9F6" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_4FF2F2504BDCE6330229D2F173FDDD4D" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_C340E084A7C6D760EC96D2F173FDF9F6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_C888E2BF7F193108B58BD2F173FDDF8C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_C340E084A7C6D760EC96D2F173FDF9F6" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_C888E2BF7F193108B58BD2F173FDDF8C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues_316D34AF4CB350BA9CD8D2F173FD697A" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_C340E084A7C6D760EC96D2F173FDF9F6" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues_316D34AF4CB350BA9CD8D2F173FD697A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_0988A9F9B61612650317D2F173FDBE57" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_C340E084A7C6D760EC96D2F173FDF9F6" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_0988A9F9B61612650317D2F173FDBE57" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueLiabilitiesLevel1ToLevel2TransfersAmount" xlink:label="loc_us-gaap_FairValueLiabilitiesLevel1ToLevel2TransfersAmount_8E3B0D8E7384B2315C39D2F173FD351E" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_4FF2F2504BDCE6330229D2F173FDDD4D" xlink:to="loc_us-gaap_FairValueLiabilitiesLevel1ToLevel2TransfersAmount_8E3B0D8E7384B2315C39D2F173FD351E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueLiabilitiesLevel2ToLevel1TransfersAmount" xlink:label="loc_us-gaap_FairValueLiabilitiesLevel2ToLevel1TransfersAmount_0AC8618B4BF150A3DC8DD2F173FD807E" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_4FF2F2504BDCE6330229D2F173FDDD4D" xlink:to="loc_us-gaap_FairValueLiabilitiesLevel2ToLevel1TransfersAmount_0AC8618B4BF150A3DC8DD2F173FD807E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_C68D40C75BB445712BF2D2F173FD6701" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_4FF2F2504BDCE6330229D2F173FDDD4D" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_C68D40C75BB445712BF2D2F173FD6701" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3_F5B10A960380FE04CBFFD2F173FD67EA" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_4FF2F2504BDCE6330229D2F173FDDD4D" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3_F5B10A960380FE04CBFFD2F173FD67EA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_D6B7A7A7CB2C8DFDD783D2F92C8B6B66" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_4FF2F2504BDCE6330229D2F173FDDD4D" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_D6B7A7A7CB2C8DFDD783D2F92C8B6B66" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_AssetsAndLiabilitiesWithRecurringFairValueMeasurementsTextualsAbstract" xlink:label="loc_cpn_AssetsAndLiabilitiesWithRecurringFairValueMeasurementsTextualsAbstract_EB41454DF233D5C24C43D2F173FD512D" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_4FF2F2504BDCE6330229D2F173FDDD4D" xlink:to="loc_cpn_AssetsAndLiabilitiesWithRecurringFairValueMeasurementsTextualsAbstract_EB41454DF233D5C24C43D2F173FD512D" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CashEquivalentsIncludedInCashAndCashEquivalentsFairValueDisclosure" xlink:label="loc_cpn_CashEquivalentsIncludedInCashAndCashEquivalentsFairValueDisclosure_A0EAD2DCEE1280BE1642D2F173FD108A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_AssetsAndLiabilitiesWithRecurringFairValueMeasurementsTextualsAbstract_EB41454DF233D5C24C43D2F173FD512D" xlink:to="loc_cpn_CashEquivalentsIncludedInCashAndCashEquivalentsFairValueDisclosure_A0EAD2DCEE1280BE1642D2F173FD108A" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CashEquivalentsIncludedInRestrictedCashFairValueDisclosure" xlink:label="loc_cpn_CashEquivalentsIncludedInRestrictedCashFairValueDisclosure_98ADA4DC6B5F741A9C07D2F173FDBEAA" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_AssetsAndLiabilitiesWithRecurringFairValueMeasurementsTextualsAbstract_EB41454DF233D5C24C43D2F173FD512D" xlink:to="loc_cpn_CashEquivalentsIncludedInRestrictedCashFairValueDisclosure_98ADA4DC6B5F741A9C07D2F173FDBEAA" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems_3F29F4B5BCC378CEEE0E6EED6EC1BE47" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_1D3E191436019FC3B2E96EED6EBF9C72" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_3F29F4B5BCC378CEEE0E6EED6EC1BE47" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_1D3E191436019FC3B2E96EED6EBF9C72" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_043AFD11C3BE6D64DD706EED6EBF8018" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_1D3E191436019FC3B2E96EED6EBF9C72" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_043AFD11C3BE6D64DD706EED6EBF8018" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_A6A21640F91B91E8F3716EED6EC06221_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_043AFD11C3BE6D64DD706EED6EBF8018" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_A6A21640F91B91E8F3716EED6EC06221_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_A6A21640F91B91E8F3716EED6EC06221" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_043AFD11C3BE6D64DD706EED6EBF8018" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_A6A21640F91B91E8F3716EED6EC06221" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_D233260B529D92E233F36EED6EC00BC9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_A6A21640F91B91E8F3716EED6EC06221" xlink:to="loc_us-gaap_SubsequentEventMember_D233260B529D92E233F36EED6EC00BC9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareRepurchaseProgramAxis" xlink:label="loc_us-gaap_ShareRepurchaseProgramAxis_DE2E26233A7B40BD4FF56EED6EC0F92B" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_1D3E191436019FC3B2E96EED6EBF9C72" xlink:to="loc_us-gaap_ShareRepurchaseProgramAxis_DE2E26233A7B40BD4FF56EED6EC0F92B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_3B42A959A8D12067C6646EED6EC065B4_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_DE2E26233A7B40BD4FF56EED6EC0F92B" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_3B42A959A8D12067C6646EED6EC065B4_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_3B42A959A8D12067C6646EED6EC065B4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_DE2E26233A7B40BD4FF56EED6EC0F92B" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_3B42A959A8D12067C6646EED6EC065B4" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_ShareRepurchasesin2014Member" xlink:label="loc_cpn_ShareRepurchasesin2014Member_529C885D2A004DF736F16EED6EC062DB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_3B42A959A8D12067C6646EED6EC065B4" xlink:to="loc_cpn_ShareRepurchasesin2014Member_529C885D2A004DF736F16EED6EC062DB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_6A19FF25C4CE682AE8556EED6EC1624F" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_3B42A959A8D12067C6646EED6EC065B4" xlink:to="loc_us-gaap_TreasuryStockMember_6A19FF25C4CE682AE8556EED6EC1624F" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_A2015ThroughFilingDateMember" xlink:label="loc_cpn_A2015ThroughFilingDateMember_872502A23A74A3DFC5D36EED6EC14055" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_3B42A959A8D12067C6646EED6EC065B4" xlink:to="loc_cpn_A2015ThroughFilingDateMember_872502A23A74A3DFC5D36EED6EC14055" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_BA01F68DC5710E4BE7696EED6EC1B686" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_1D3E191436019FC3B2E96EED6EBF9C72" xlink:to="loc_us-gaap_StatementClassOfStockAxis_BA01F68DC5710E4BE7696EED6EC1B686" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_20F6803A7585D3CEBB676EED6EC10176_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_BA01F68DC5710E4BE7696EED6EC1B686" xlink:to="loc_us-gaap_ClassOfStockDomain_20F6803A7585D3CEBB676EED6EC10176_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_20F6803A7585D3CEBB676EED6EC10176" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_BA01F68DC5710E4BE7696EED6EC1B686" xlink:to="loc_us-gaap_ClassOfStockDomain_20F6803A7585D3CEBB676EED6EC10176" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_6F8345D26BD898D0ABCD6EED6EC1F33F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_20F6803A7585D3CEBB676EED6EC10176" xlink:to="loc_us-gaap_CommonStockMember_6F8345D26BD898D0ABCD6EED6EC1F33F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_483E5E716A49A77C29F26EED6EC1B419" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_20F6803A7585D3CEBB676EED6EC10176" xlink:to="loc_us-gaap_TreasuryStockMember_483E5E716A49A77C29F26EED6EC1B419" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_8E1AF9476AA68C0D24F66EED6EC3D9DC" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_3F29F4B5BCC378CEEE0E6EED6EC1BE47" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_8E1AF9476AA68C0D24F66EED6EC3D9DC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_E0CCD393046B8AB0C39B6EED6EC3AA26" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_3F29F4B5BCC378CEEE0E6EED6EC1BE47" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_E0CCD393046B8AB0C39B6EED6EC3AA26" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_TotalCommonSharesOutstandingIncludingSharesHeldInReserve" xlink:label="loc_cpn_TotalCommonSharesOutstandingIncludingSharesHeldInReserve_A3BC9A26C05C5B64334F6EED6EC342D9" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_3F29F4B5BCC378CEEE0E6EED6EC1BE47" xlink:to="loc_cpn_TotalCommonSharesOutstandingIncludingSharesHeldInReserve_A3BC9A26C05C5B64334F6EED6EC342D9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_4BAE5D82B713BD562A5B6EED6EC1B8CC" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_3F29F4B5BCC378CEEE0E6EED6EC1BE47" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_4BAE5D82B713BD562A5B6EED6EC1B8CC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_22EDC4F14646BD8C40096EED6EC2F05D" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_3F29F4B5BCC378CEEE0E6EED6EC1BE47" xlink:to="loc_us-gaap_CommonStockSharesIssued_22EDC4F14646BD8C40096EED6EC2F05D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_D4865CAC929FA12F1BA86EED6EC2C394" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_3F29F4B5BCC378CEEE0E6EED6EC1BE47" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_D4865CAC929FA12F1BA86EED6EC2C394" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_F8531F2754AB0B0C27886EED6EC20405" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_3F29F4B5BCC378CEEE0E6EED6EC1BE47" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_F8531F2754AB0B0C27886EED6EC20405" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_us-gaap_TreasuryStockShares_B2E52888825AB0C8EA306EED6EC2A480" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_3F29F4B5BCC378CEEE0E6EED6EC1BE47" xlink:to="loc_us-gaap_TreasuryStockShares_B2E52888825AB0C8EA306EED6EC2A480" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_B9C8E512B7F94D67DD656EED6EC2019E" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_3F29F4B5BCC378CEEE0E6EED6EC1BE47" xlink:to="loc_us-gaap_TreasuryStockValue_B9C8E512B7F94D67DD656EED6EC2019E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_32AC817E2FC0B65F6AE76EED6EC23157" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_3F29F4B5BCC378CEEE0E6EED6EC1BE47" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_32AC817E2FC0B65F6AE76EED6EC23157" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockAcquiredAverageCostPerShare" xlink:label="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_3259638EA9374B6E64796EED6EC39799" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_3F29F4B5BCC378CEEE0E6EED6EC1BE47" xlink:to="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_3259638EA9374B6E64796EED6EC39799" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CommonStockActivityRollForward" xlink:label="loc_cpn_CommonStockActivityRollForward_6A4DC2EC0322A6A0FD986EED6EC3A1F4" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_3F29F4B5BCC378CEEE0E6EED6EC1BE47" xlink:to="loc_cpn_CommonStockActivityRollForward_6A4DC2EC0322A6A0FD986EED6EC3A1F4" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_ShareholderOwnershipPercentage" xlink:label="loc_cpn_ShareholderOwnershipPercentage_37873B8DCCA8D7AF141E6EED6EC33414" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommonStockActivityRollForward_6A4DC2EC0322A6A0FD986EED6EC3A1F4" xlink:to="loc_cpn_ShareholderOwnershipPercentage_37873B8DCCA8D7AF141E6EED6EC33414" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CommonStockPurchasedfromShareholder" xlink:label="loc_cpn_CommonStockPurchasedfromShareholder_430C1ADC4840B48AC7986EED6EC355E4" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommonStockActivityRollForward_6A4DC2EC0322A6A0FD986EED6EC3A1F4" xlink:to="loc_cpn_CommonStockPurchasedfromShareholder_430C1ADC4840B48AC7986EED6EC355E4" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PurchasePriceofCommonStockPurchasedfromShareholder" xlink:label="loc_cpn_PurchasePriceofCommonStockPurchasedfromShareholder_0EF750AD1292E74C25A16EED6EC351AD" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommonStockActivityRollForward_6A4DC2EC0322A6A0FD986EED6EC3A1F4" xlink:to="loc_cpn_PurchasePriceofCommonStockPurchasedfromShareholder_0EF750AD1292E74C25A16EED6EC351AD" 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-20141231.xsd#cpn_CommitmentsAndContingenciesLineItems" xlink:label="loc_cpn_CommitmentsAndContingenciesLineItems_B3603250B0A7FDB17EB75FC4166BF600" xlink:type="locator"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CommitmentsAndContingenciesTable" xlink:label="loc_cpn_CommitmentsAndContingenciesTable_587866995ED3939ABBAD5FC4166A7D58" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_cpn_CommitmentsAndContingenciesLineItems_B3603250B0A7FDB17EB75FC4166BF600" xlink:to="loc_cpn_CommitmentsAndContingenciesTable_587866995ED3939ABBAD5FC4166A7D58" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="cpn-20141231.xsd#cpn_OperatingLeaseAssetsAxis" xlink:label="loc_cpn_OperatingLeaseAssetsAxis_0C1D57C0E3D4B27A1BF05FC4166A66A4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_CommitmentsAndContingenciesTable_587866995ED3939ABBAD5FC4166A7D58" xlink:to="loc_cpn_OperatingLeaseAssetsAxis_0C1D57C0E3D4B27A1BF05FC4166A66A4" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_OperatingLeaseAssetsDomain" xlink:label="loc_cpn_OperatingLeaseAssetsDomain_F9FA1344043CB97768E65FC4166A5D59_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_cpn_OperatingLeaseAssetsAxis_0C1D57C0E3D4B27A1BF05FC4166A66A4" xlink:to="loc_cpn_OperatingLeaseAssetsDomain_F9FA1344043CB97768E65FC4166A5D59_default" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_OperatingLeaseAssetsDomain" xlink:label="loc_cpn_OperatingLeaseAssetsDomain_F9FA1344043CB97768E65FC4166A5D59" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_cpn_OperatingLeaseAssetsAxis_0C1D57C0E3D4B27A1BF05FC4166A66A4" xlink:to="loc_cpn_OperatingLeaseAssetsDomain_F9FA1344043CB97768E65FC4166A5D59" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ElectricGenerationEquipmentMember" xlink:label="loc_us-gaap_ElectricGenerationEquipmentMember_43A821460DAB713C2E9D5FC4166BC0D4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_OperatingLeaseAssetsDomain_F9FA1344043CB97768E65FC4166A5D59" xlink:to="loc_us-gaap_ElectricGenerationEquipmentMember_43A821460DAB713C2E9D5FC4166BC0D4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OfficeEquipmentMember" xlink:label="loc_us-gaap_OfficeEquipmentMember_6D3B9C9D82C0866E3AAB5FC4166B211E" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_OperatingLeaseAssetsDomain_F9FA1344043CB97768E65FC4166A5D59" xlink:to="loc_us-gaap_OfficeEquipmentMember_6D3B9C9D82C0866E3AAB5FC4166B211E" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_LandAndOtherOperatingLeasesMember" xlink:label="loc_cpn_LandAndOtherOperatingLeasesMember_CD58FC6984691B6CE9CA5FC4166B498A" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_OperatingLeaseAssetsDomain_F9FA1344043CB97768E65FC4166A5D59" xlink:to="loc_cpn_LandAndOtherOperatingLeasesMember_CD58FC6984691B6CE9CA5FC4166B498A" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_UtilityPlantInterestsAxis" xlink:label="loc_cpn_UtilityPlantInterestsAxis_949E67E2976427D050B65FC4166B65D2" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_CommitmentsAndContingenciesTable_587866995ED3939ABBAD5FC4166A7D58" xlink:to="loc_cpn_UtilityPlantInterestsAxis_949E67E2976427D050B65FC4166B65D2" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_UtilityPlantInterestsDomain" xlink:label="loc_cpn_UtilityPlantInterestsDomain_FD7AE0601AF858B440065FC4166B4950_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_cpn_UtilityPlantInterestsAxis_949E67E2976427D050B65FC4166B65D2" xlink:to="loc_cpn_UtilityPlantInterestsDomain_FD7AE0601AF858B440065FC4166B4950_default" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_UtilityPlantInterestsDomain" xlink:label="loc_cpn_UtilityPlantInterestsDomain_FD7AE0601AF858B440065FC4166B4950" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_cpn_UtilityPlantInterestsAxis_949E67E2976427D050B65FC4166B65D2" xlink:to="loc_cpn_UtilityPlantInterestsDomain_FD7AE0601AF858B440065FC4166B4950" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_B3C5462207CDA053FDED5FC4166BEFC2" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_CommitmentsAndContingenciesTable_587866995ED3939ABBAD5FC4166A7D58" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_B3C5462207CDA053FDED5FC4166BEFC2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:label="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_E37F15F8368B9F7B45715FC4166BBEA8_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_B3C5462207CDA053FDED5FC4166BEFC2" xlink:to="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_E37F15F8368B9F7B45715FC4166BBEA8_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:label="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_E37F15F8368B9F7B45715FC4166BBEA8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_B3C5462207CDA053FDED5FC4166BEFC2" xlink:to="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_E37F15F8368B9F7B45715FC4166BBEA8" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_LtsaMember" xlink:label="loc_cpn_LtsaMember_A11A95EFDBAB2DB3B8F75FC4166B4AA6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_E37F15F8368B9F7B45715FC4166BBEA8" xlink:to="loc_cpn_LtsaMember_A11A95EFDBAB2DB3B8F75FC4166B4AA6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesRentExpenseNet" xlink:label="loc_us-gaap_OperatingLeasesRentExpenseNet_529607D1EBEB990C79F55FC4166BF5B3" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommitmentsAndContingenciesLineItems_B3603250B0A7FDB17EB75FC4166BF600" xlink:to="loc_us-gaap_OperatingLeasesRentExpenseNet_529607D1EBEB990C79F55FC4166BF5B3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_60FE2ABDB64411024B465FC4166BFFA1" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommitmentsAndContingenciesLineItems_B3603250B0A7FDB17EB75FC4166BF600" xlink:to="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_60FE2ABDB64411024B465FC4166BFFA1" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_OutstandingClaimsRelatedToGuarantees" xlink:label="loc_cpn_OutstandingClaimsRelatedToGuarantees_DD4D54335B8E9A1952895FC4166B015F" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommitmentsAndContingenciesLineItems_B3603250B0A7FDB17EB75FC4166BF600" xlink:to="loc_cpn_OutstandingClaimsRelatedToGuarantees_DD4D54335B8E9A1952895FC4166B015F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RoyaltyExpense" xlink:label="loc_us-gaap_RoyaltyExpense_4DB6F92062A4C64E69885FC4166B2EB8" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommitmentsAndContingenciesLineItems_B3603250B0A7FDB17EB75FC4166BF600" xlink:to="loc_us-gaap_RoyaltyExpense_4DB6F92062A4C64E69885FC4166B2EB8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract_032F453507BE66A8BF195FC4166B969D" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CommitmentsAndContingenciesLineItems_B3603250B0A7FDB17EB75FC4166BF600" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract_032F453507BE66A8BF195FC4166B969D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_1299DA6799E90282043B5FC4166B90B7" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract_032F453507BE66A8BF195FC4166B969D" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_1299DA6799E90282043B5FC4166B90B7" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_TermofUnrecordedUnconditionalPurchaseObligationLowerLimit" xlink:label="loc_cpn_TermofUnrecordedUnconditionalPurchaseObligationLowerLimit_2121E18B238FBC1288CE5FC4166B7966" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract_032F453507BE66A8BF195FC4166B969D" xlink:to="loc_cpn_TermofUnrecordedUnconditionalPurchaseObligationLowerLimit_2121E18B238FBC1288CE5FC4166B7966" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_TermofUnrecordedUnconditionalPurchaseObligationUpperLimit" xlink:label="loc_cpn_TermofUnrecordedUnconditionalPurchaseObligationUpperLimit_B3B2FF8231BF8D39AA4B5FC4166C5E79" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationAbstract_032F453507BE66A8BF195FC4166B969D" xlink:to="loc_cpn_TermofUnrecordedUnconditionalPurchaseObligationUpperLimit_B3B2FF8231BF8D39AA4B5FC4166C5E79" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GuaranteeObligationsLineItems" xlink:label="loc_us-gaap_GuaranteeObligationsLineItems_C75D0DFCE187B0987948D3FE3247BFEF" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfGuaranteeObligationsTable" xlink:label="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_81A4B562CEB85A410DD2D3FE32472B2A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_C75D0DFCE187B0987948D3FE3247BFEF" xlink:to="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_81A4B562CEB85A410DD2D3FE32472B2A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnderlyingAssetClassAxis" xlink:label="loc_us-gaap_UnderlyingAssetClassAxis_1495B3594AAB2B186F41D3FE3247CCB8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_81A4B562CEB85A410DD2D3FE32472B2A" xlink:to="loc_us-gaap_UnderlyingAssetClassAxis_1495B3594AAB2B186F41D3FE3247CCB8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnderlyingAssetClassDomain" xlink:label="loc_us-gaap_UnderlyingAssetClassDomain_9F484D8FB19FA8361476D3FE3247A9C9_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_UnderlyingAssetClassAxis_1495B3594AAB2B186F41D3FE3247CCB8" xlink:to="loc_us-gaap_UnderlyingAssetClassDomain_9F484D8FB19FA8361476D3FE3247A9C9_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnderlyingAssetClassDomain" xlink:label="loc_us-gaap_UnderlyingAssetClassDomain_9F484D8FB19FA8361476D3FE3247A9C9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_UnderlyingAssetClassAxis_1495B3594AAB2B186F41D3FE3247CCB8" xlink:to="loc_us-gaap_UnderlyingAssetClassDomain_9F484D8FB19FA8361476D3FE3247A9C9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LoansPayableMember" xlink:label="loc_us-gaap_LoansPayableMember_4713FA9B1D2A5496C7C4D3FE3247ADE1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnderlyingAssetClassDomain_9F484D8FB19FA8361476D3FE3247A9C9" xlink:to="loc_us-gaap_LoansPayableMember_4713FA9B1D2A5496C7C4D3FE3247ADE1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GuaranteeObligationsByNatureAxis" xlink:label="loc_us-gaap_GuaranteeObligationsByNatureAxis_ED77C5837FDBD81351F3D3FE324750BA" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_81A4B562CEB85A410DD2D3FE32472B2A" xlink:to="loc_us-gaap_GuaranteeObligationsByNatureAxis_ED77C5837FDBD81351F3D3FE324750BA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_052508588571DC676930D3FE324799E0_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_ED77C5837FDBD81351F3D3FE324750BA" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_052508588571DC676930D3FE324799E0_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_052508588571DC676930D3FE324799E0" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_ED77C5837FDBD81351F3D3FE324750BA" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_052508588571DC676930D3FE324799E0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LoansPayableMember" xlink:label="loc_us-gaap_LoansPayableMember_91983600A151A1BEE0ADD3FE3247E560" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_052508588571DC676930D3FE324799E0" xlink:to="loc_us-gaap_LoansPayableMember_91983600A151A1BEE0ADD3FE3247E560" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancialStandbyLetterOfCreditMember" xlink:label="loc_us-gaap_FinancialStandbyLetterOfCreditMember_B74746D7A5C9F1F4C58BD3FE32476F14" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_052508588571DC676930D3FE324799E0" xlink:to="loc_us-gaap_FinancialStandbyLetterOfCreditMember_B74746D7A5C9F1F4C58BD3FE32476F14" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_SuretyBondsMember" xlink:label="loc_cpn_SuretyBondsMember_A6F697632E022382228ED3FE3247FF27" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_052508588571DC676930D3FE324799E0" xlink:to="loc_cpn_SuretyBondsMember_A6F697632E022382228ED3FE3247FF27" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GreenleafMember" xlink:label="loc_cpn_GreenleafMember_44EDA8A59700DABF802BD3FE32477041" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_052508588571DC676930D3FE324799E0" xlink:to="loc_cpn_GreenleafMember_44EDA8A59700DABF802BD3FE32477041" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GuranteeObligationsTotalMember" xlink:label="loc_cpn_GuranteeObligationsTotalMember_5D7C8B050C4BA6850A03D3FE3247FC11" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_052508588571DC676930D3FE324799E0" xlink:to="loc_cpn_GuranteeObligationsTotalMember_5D7C8B050C4BA6850A03D3FE3247FC11" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GuaranteeObligationsBalanceOnFirstAnniversary" xlink:label="loc_cpn_GuaranteeObligationsBalanceOnFirstAnniversary_3B2159A21F0F18AF2105D3FE32579125" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_C75D0DFCE187B0987948D3FE3247BFEF" xlink:to="loc_cpn_GuaranteeObligationsBalanceOnFirstAnniversary_3B2159A21F0F18AF2105D3FE32579125" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GuaranteeObligationsBalanceOnSecondAnniversary" xlink:label="loc_cpn_GuaranteeObligationsBalanceOnSecondAnniversary_786ADE4E1476632AD128D3FE3257746D" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_C75D0DFCE187B0987948D3FE3247BFEF" xlink:to="loc_cpn_GuaranteeObligationsBalanceOnSecondAnniversary_786ADE4E1476632AD128D3FE3257746D" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GuaranteeObligationsBalanceOnThirdAnniversary" xlink:label="loc_cpn_GuaranteeObligationsBalanceOnThirdAnniversary_7E353C6FE887FEB00ED4D3FE32572D55" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_C75D0DFCE187B0987948D3FE3247BFEF" xlink:to="loc_cpn_GuaranteeObligationsBalanceOnThirdAnniversary_7E353C6FE887FEB00ED4D3FE32572D55" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GuaranteeObligationsBalanceOnFourthAnniversary" xlink:label="loc_cpn_GuaranteeObligationsBalanceOnFourthAnniversary_CD45CDEB2ADDFAF5F634D3FE3257C4D4" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_C75D0DFCE187B0987948D3FE3247BFEF" xlink:to="loc_cpn_GuaranteeObligationsBalanceOnFourthAnniversary_CD45CDEB2ADDFAF5F634D3FE3257C4D4" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GuaranteeObligationsBalanceOnFifthAnniversary" xlink:label="loc_cpn_GuaranteeObligationsBalanceOnFifthAnniversary_E53D937B95D4DE235BE0D3FE3257E0E6" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_C75D0DFCE187B0987948D3FE3247BFEF" xlink:to="loc_cpn_GuaranteeObligationsBalanceOnFifthAnniversary_E53D937B95D4DE235BE0D3FE3257E0E6" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GuaranteeObligationsDueAfterFiveYears" xlink:label="loc_cpn_GuaranteeObligationsDueAfterFiveYears_114729631A5C5F2077D3D3FE325716BB" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_C75D0DFCE187B0987948D3FE3247BFEF" xlink:to="loc_cpn_GuaranteeObligationsDueAfterFiveYears_114729631A5C5F2077D3D3FE325716BB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GuaranteeObligationsMaximumExposure" xlink:label="loc_us-gaap_GuaranteeObligationsMaximumExposure_DD371774E071422EBEE7D3FE325766BC" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_C75D0DFCE187B0987948D3FE3247BFEF" xlink:to="loc_us-gaap_GuaranteeObligationsMaximumExposure_DD371774E071422EBEE7D3FE325766BC" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasedAssetsLineItems" xlink:label="loc_us-gaap_OperatingLeasedAssetsLineItems_65503A7F008096EF22E15FC4165FFD31" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfOperatingLeasedAssetsTable" xlink:label="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_30A930201F65828EA9C15FC4165947A8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_65503A7F008096EF22E15FC4165FFD31" xlink:to="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_30A930201F65828EA9C15FC4165947A8" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="loc_us-gaap_ProductOrServiceAxis_717607923E9135DD68425FC41659DC88" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_30A930201F65828EA9C15FC4165947A8" xlink:to="loc_us-gaap_ProductOrServiceAxis_717607923E9135DD68425FC41659DC88" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_B16116294A4EDB57B2855FC416590A11_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ProductOrServiceAxis_717607923E9135DD68425FC41659DC88" xlink:to="loc_us-gaap_ProductsAndServicesDomain_B16116294A4EDB57B2855FC416590A11_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_B16116294A4EDB57B2855FC416590A11" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ProductOrServiceAxis_717607923E9135DD68425FC41659DC88" xlink:to="loc_us-gaap_ProductsAndServicesDomain_B16116294A4EDB57B2855FC416590A11" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NaturalGasReservesMember" xlink:label="loc_us-gaap_NaturalGasReservesMember_724959AEEE8F7C035CDB5FC41659CD61" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductsAndServicesDomain_B16116294A4EDB57B2855FC416590A11" xlink:to="loc_us-gaap_NaturalGasReservesMember_724959AEEE8F7C035CDB5FC41659CD61" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GuaranteeObligationsByNatureAxis" xlink:label="loc_us-gaap_GuaranteeObligationsByNatureAxis_4C668A1C885FEAEB1AF85FC416598D37" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_30A930201F65828EA9C15FC4165947A8" xlink:to="loc_us-gaap_GuaranteeObligationsByNatureAxis_4C668A1C885FEAEB1AF85FC416598D37" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_81FB548AB03954D736765FC41659B163_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_4C668A1C885FEAEB1AF85FC416598D37" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_81FB548AB03954D736765FC41659B163_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_81FB548AB03954D736765FC41659B163" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_4C668A1C885FEAEB1AF85FC416598D37" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_81FB548AB03954D736765FC41659B163" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GreenleafMember" xlink:label="loc_cpn_GreenleafMember_1B63064C4973B89CCDD15FC4165949D2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_81FB548AB03954D736765FC41659B163" xlink:to="loc_cpn_GreenleafMember_1B63064C4973B89CCDD15FC4165949D2" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_OperatingLeaseAssetsAxis" xlink:label="loc_cpn_OperatingLeaseAssetsAxis_03DD8AD0DAA9F3C0FEFC5FC4165A2BDC" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_30A930201F65828EA9C15FC4165947A8" xlink:to="loc_cpn_OperatingLeaseAssetsAxis_03DD8AD0DAA9F3C0FEFC5FC4165A2BDC" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_OperatingLeaseAssetsDomain" xlink:label="loc_cpn_OperatingLeaseAssetsDomain_FD0596512B6525F01CDD5FC4165AE8C5_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_cpn_OperatingLeaseAssetsAxis_03DD8AD0DAA9F3C0FEFC5FC4165A2BDC" xlink:to="loc_cpn_OperatingLeaseAssetsDomain_FD0596512B6525F01CDD5FC4165AE8C5_default" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_OperatingLeaseAssetsDomain" xlink:label="loc_cpn_OperatingLeaseAssetsDomain_FD0596512B6525F01CDD5FC4165AE8C5" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_cpn_OperatingLeaseAssetsAxis_03DD8AD0DAA9F3C0FEFC5FC4165A2BDC" xlink:to="loc_cpn_OperatingLeaseAssetsDomain_FD0596512B6525F01CDD5FC4165AE8C5" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_LandAndOtherOperatingLeasesMember" xlink:label="loc_cpn_LandAndOtherOperatingLeasesMember_F57494E272547C684A605FC4165A271D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_OperatingLeaseAssetsDomain_FD0596512B6525F01CDD5FC4165AE8C5" xlink:to="loc_cpn_LandAndOtherOperatingLeasesMember_F57494E272547C684A605FC4165A271D" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GreenleafMember" xlink:label="loc_cpn_GreenleafMember_CF2F8DB7ED800E79F10E5FC4165AAFE3" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_OperatingLeaseAssetsDomain_FD0596512B6525F01CDD5FC4165AE8C5" xlink:to="loc_cpn_GreenleafMember_CF2F8DB7ED800E79F10E5FC4165AAFE3" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_KiacMember" xlink:label="loc_cpn_KiacMember_3B051DEB8AAB78F3F7D65FC4165A752F" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_OperatingLeaseAssetsDomain_FD0596512B6525F01CDD5FC4165AE8C5" xlink:to="loc_cpn_KiacMember_3B051DEB8AAB78F3F7D65FC4165A752F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ElectricGenerationEquipmentMember" xlink:label="loc_us-gaap_ElectricGenerationEquipmentMember_1DCC76E734AD034ABC475FC4165A7B34" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_OperatingLeaseAssetsDomain_FD0596512B6525F01CDD5FC4165AE8C5" xlink:to="loc_us-gaap_ElectricGenerationEquipmentMember_1DCC76E734AD034ABC475FC4165A7B34" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_OpertingLeaseAssetsTotalMember" xlink:label="loc_cpn_OpertingLeaseAssetsTotalMember_6809B2B1B710BDB5E6AE5FC4165A83DE" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_OperatingLeaseAssetsDomain_FD0596512B6525F01CDD5FC4165AE8C5" xlink:to="loc_cpn_OpertingLeaseAssetsTotalMember_6809B2B1B710BDB5E6AE5FC4165A83DE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OfficeEquipmentMember" xlink:label="loc_us-gaap_OfficeEquipmentMember_D755474369AFA9E7C26C5FC4165F28E4" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_OperatingLeaseAssetsDomain_FD0596512B6525F01CDD5FC4165AE8C5" xlink:to="loc_us-gaap_OfficeEquipmentMember_D755474369AFA9E7C26C5FC4165F28E4" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GuaranteeObligationsBalanceOnFirstAnniversary" xlink:label="loc_cpn_GuaranteeObligationsBalanceOnFirstAnniversary_794EA20EC213C8C145BB5FC4165FF39F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_65503A7F008096EF22E15FC4165FFD31" xlink:to="loc_cpn_GuaranteeObligationsBalanceOnFirstAnniversary_794EA20EC213C8C145BB5FC4165FF39F" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GuaranteeObligationsBalanceOnSecondAnniversary" xlink:label="loc_cpn_GuaranteeObligationsBalanceOnSecondAnniversary_1487289E950A8D0EA6955FC4165F6763" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_65503A7F008096EF22E15FC4165FFD31" xlink:to="loc_cpn_GuaranteeObligationsBalanceOnSecondAnniversary_1487289E950A8D0EA6955FC4165F6763" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GuaranteeObligationsBalanceOnThirdAnniversary" xlink:label="loc_cpn_GuaranteeObligationsBalanceOnThirdAnniversary_F15F472AFB75077370B75FC41660EFCA" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_65503A7F008096EF22E15FC4165FFD31" xlink:to="loc_cpn_GuaranteeObligationsBalanceOnThirdAnniversary_F15F472AFB75077370B75FC41660EFCA" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GuaranteeObligationsBalanceOnFourthAnniversary" xlink:label="loc_cpn_GuaranteeObligationsBalanceOnFourthAnniversary_8A2879CD9A8E020963ED5FC41660CB23" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_65503A7F008096EF22E15FC4165FFD31" xlink:to="loc_cpn_GuaranteeObligationsBalanceOnFourthAnniversary_8A2879CD9A8E020963ED5FC41660CB23" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GuaranteeObligationsBalanceOnFifthAnniversary" xlink:label="loc_cpn_GuaranteeObligationsBalanceOnFifthAnniversary_0B0AE6AA6DE30F05CA805FC41660A5CA" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_65503A7F008096EF22E15FC4165FFD31" xlink:to="loc_cpn_GuaranteeObligationsBalanceOnFifthAnniversary_0B0AE6AA6DE30F05CA805FC41660A5CA" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GuaranteeObligationsDueAfterFiveYears" xlink:label="loc_cpn_GuaranteeObligationsDueAfterFiveYears_859BC6F2160D7D8A00E95FC4166014E9" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_65503A7F008096EF22E15FC4165FFD31" xlink:to="loc_cpn_GuaranteeObligationsDueAfterFiveYears_859BC6F2160D7D8A00E95FC4166014E9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_E34ADC39D21BC4FDDA955FC416606E73" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_65503A7F008096EF22E15FC4165FFD31" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_E34ADC39D21BC4FDDA955FC416606E73" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_CFD0910EE7268B12A3EA5FC416601A94" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_65503A7F008096EF22E15FC4165FFD31" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_CFD0910EE7268B12A3EA5FC416601A94" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_3059FD953D6957275B615FC41660BB00" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_65503A7F008096EF22E15FC4165FFD31" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_3059FD953D6957275B615FC41660BB00" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_0DF470EF26F47A6D7B195FC416602480" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_65503A7F008096EF22E15FC4165FFD31" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_0DF470EF26F47A6D7B195FC416602480" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_323D18934A9F196AC2975FC41660FDD8" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_65503A7F008096EF22E15FC4165FFD31" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_323D18934A9F196AC2975FC41660FDD8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_215B67FAF27E6582D1E45FC41660479C" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_65503A7F008096EF22E15FC4165FFD31" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_215B67FAF27E6582D1E45FC41660479C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_B495AE92C23BB09C823B5FC41660AE8B" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_65503A7F008096EF22E15FC4165FFD31" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_B495AE92C23BB09C823B5FC41660AE8B" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_8C94BA8E555DFC51D59F5FCD0C1EDC98" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_487916FC5B19EF7FA0C75FCD0C1E2212" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_8C94BA8E555DFC51D59F5FCD0C1EDC98" xlink:to="loc_us-gaap_StatementTable_487916FC5B19EF7FA0C75FCD0C1E2212" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_9DC0D6670DFC2C72819E5FCD0C1E522C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_487916FC5B19EF7FA0C75FCD0C1E2212" xlink:to="loc_us-gaap_StatementScenarioAxis_9DC0D6670DFC2C72819E5FCD0C1E522C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_1BF3816617858F47C9CB5FCD0C1E31A4_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_9DC0D6670DFC2C72819E5FCD0C1E522C" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_1BF3816617858F47C9CB5FCD0C1E31A4_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_1BF3816617858F47C9CB5FCD0C1E31A4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_9DC0D6670DFC2C72819E5FCD0C1E522C" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_1BF3816617858F47C9CB5FCD0C1E31A4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_9F44EE6A622D56578F125FCD0C1E77C0" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8C94BA8E555DFC51D59F5FCD0C1EDC98" xlink:to="loc_us-gaap_AssetsAbstract_9F44EE6A622D56578F125FCD0C1E77C0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_587F9AAA8F3081E0AF105FCD0C1E99A0" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_9F44EE6A622D56578F125FCD0C1E77C0" xlink:to="loc_us-gaap_AssetsCurrentAbstract_587F9AAA8F3081E0AF105FCD0C1E99A0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_0081DE199CA24073EB1D5FCD0C1ED9CA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_587F9AAA8F3081E0AF105FCD0C1E99A0" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_0081DE199CA24073EB1D5FCD0C1ED9CA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_B12D0FE273D5E00AE2395FCD0C1E4200" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_587F9AAA8F3081E0AF105FCD0C1E99A0" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_B12D0FE273D5E00AE2395FCD0C1E4200" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_7266A49E7DDE588C071B5FCD0C1EC366" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_587F9AAA8F3081E0AF105FCD0C1E99A0" xlink:to="loc_us-gaap_InventoryNet_7266A49E7DDE588C071B5FCD0C1EC366" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_6CB2B75AE53F6405B5765FCD0C4DD56B" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_587F9AAA8F3081E0AF105FCD0C1E99A0" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_6CB2B75AE53F6405B5765FCD0C4DD56B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_1C1FAAF667952214601F5FCD0C1EC37E" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_587F9AAA8F3081E0AF105FCD0C1E99A0" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_1C1FAAF667952214601F5FCD0C1EC37E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedges" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedges_DBF7029ACE777D62FABB5FCD0C1E49C3" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_587F9AAA8F3081E0AF105FCD0C1E99A0" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedges_DBF7029ACE777D62FABB5FCD0C1E49C3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_F303EDC35EC3268C237A5FCD0C1E2601" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_587F9AAA8F3081E0AF105FCD0C1E99A0" xlink:to="loc_us-gaap_OtherAssetsCurrent_F303EDC35EC3268C237A5FCD0C1E2601" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_3E46A676790CEC2659C75FCD0C1EB3DC" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_587F9AAA8F3081E0AF105FCD0C1E99A0" xlink:to="loc_us-gaap_AssetsCurrent_3E46A676790CEC2659C75FCD0C1EB3DC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_BC3E2A4506C3439D9AF45FCD0C1E58C2" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_9F44EE6A622D56578F125FCD0C1E77C0" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_BC3E2A4506C3439D9AF45FCD0C1E58C2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_AEDC40C96CBD83A4BA875FCD0C1EB197" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_9F44EE6A622D56578F125FCD0C1E77C0" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_AEDC40C96CBD83A4BA875FCD0C1EB197" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_92465CDE64E4759410E55FCD0C1E31CB" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_9F44EE6A622D56578F125FCD0C1E77C0" xlink:to="loc_us-gaap_EquityMethodInvestments_92465CDE64E4759410E55FCD0C1E31CB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesNoncurrent" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgesNoncurrent_3BDC78E5E9D0693303E45FCD0C1E764B" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_9F44EE6A622D56578F125FCD0C1E77C0" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgesNoncurrent_3BDC78E5E9D0693303E45FCD0C1E764B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_B0D1B8DEC22649702A1A5FCD0C1EE99D" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_9F44EE6A622D56578F125FCD0C1E77C0" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_B0D1B8DEC22649702A1A5FCD0C1EE99D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_BB039EC3AB56FA1CC4745FCD0C1EED65" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_9F44EE6A622D56578F125FCD0C1E77C0" xlink:to="loc_us-gaap_Assets_BB039EC3AB56FA1CC4745FCD0C1EED65" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E70A3E6209C98B266A495FCD0C1E1227" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8C94BA8E555DFC51D59F5FCD0C1EDC98" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E70A3E6209C98B266A495FCD0C1E1227" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_D1C5E37725C92ACF7D3B5FCD0C1E7D0A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E70A3E6209C98B266A495FCD0C1E1227" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_D1C5E37725C92ACF7D3B5FCD0C1E7D0A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_68340427AC2500B30D505FCD0C1EEEAB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_D1C5E37725C92ACF7D3B5FCD0C1E7D0A" xlink:to="loc_us-gaap_AccountsPayableCurrent_68340427AC2500B30D505FCD0C1EEEAB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="loc_us-gaap_InterestPayableCurrent_4CD55AF7AF75744E52995FCD0C1E0CD2" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_D1C5E37725C92ACF7D3B5FCD0C1E7D0A" xlink:to="loc_us-gaap_InterestPayableCurrent_4CD55AF7AF75744E52995FCD0C1E0CD2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_3F5EAD042806B4FBA4905FCD0C1E781A" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_D1C5E37725C92ACF7D3B5FCD0C1E7D0A" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_3F5EAD042806B4FBA4905FCD0C1E781A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesLiabilities" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilities_307CCC86443319C941E75FCD0C1E8B81" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_D1C5E37725C92ACF7D3B5FCD0C1E7D0A" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilities_307CCC86443319C941E75FCD0C1E8B81" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_F2F84953463E223880F55FCD0C1E1ACA" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_D1C5E37725C92ACF7D3B5FCD0C1E7D0A" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_F2F84953463E223880F55FCD0C1E1ACA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_1FE7BECFD909F56E925E5FCD0C1E54A7" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_D1C5E37725C92ACF7D3B5FCD0C1E7D0A" xlink:to="loc_us-gaap_LiabilitiesCurrent_1FE7BECFD909F56E925E5FCD0C1E54A7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_4ED1B6D6E0D5A5461E535FCD0C1E6C05" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E70A3E6209C98B266A495FCD0C1E1227" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_4ED1B6D6E0D5A5461E535FCD0C1E6C05" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent_BCEA70DCA9FDD7F3C2945FCD0C1E523C" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E70A3E6209C98B266A495FCD0C1E1227" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent_BCEA70DCA9FDD7F3C2945FCD0C1E523C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_9A8FA86C5B8FD1CE06B65FCD0C1E85F1" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E70A3E6209C98B266A495FCD0C1E1227" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_9A8FA86C5B8FD1CE06B65FCD0C1E85F1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_872C63530B22A4E756595FCD0C1E6140" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E70A3E6209C98B266A495FCD0C1E1227" xlink:to="loc_us-gaap_Liabilities_872C63530B22A4E756595FCD0C1E6140" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_BB2C43AF2E5335A89CCC5FCD0C1E8871" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E70A3E6209C98B266A495FCD0C1E1227" xlink:to="loc_us-gaap_CommitmentsAndContingencies_BB2C43AF2E5335A89CCC5FCD0C1E8871" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_CC91E49447711ED590275FCD0C1E88B3" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E70A3E6209C98B266A495FCD0C1E1227" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_CC91E49447711ED590275FCD0C1E88B3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_4C6749433795B48861955FCD0C1EF7FF" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_CC91E49447711ED590275FCD0C1E88B3" xlink:to="loc_us-gaap_PreferredStockValue_4C6749433795B48861955FCD0C1EF7FF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_2BEDCABEE620B46463065FCD0C1E00E3" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_CC91E49447711ED590275FCD0C1E88B3" xlink:to="loc_us-gaap_CommonStockValue_2BEDCABEE620B46463065FCD0C1E00E3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_8E264377CE2801F878795FCD0C1E181B" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_CC91E49447711ED590275FCD0C1E88B3" xlink:to="loc_us-gaap_TreasuryStockValue_8E264377CE2801F878795FCD0C1E181B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_A564D09B9DFD9539B1715FCD0C1EC554" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_CC91E49447711ED590275FCD0C1E88B3" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_A564D09B9DFD9539B1715FCD0C1EC554" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_506DE0DF2C931BCE734D5FCD0C1EE3AB" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_CC91E49447711ED590275FCD0C1E88B3" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_506DE0DF2C931BCE734D5FCD0C1EE3AB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_836F623FECD5991115BC5FCD0C1EF3D5" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_CC91E49447711ED590275FCD0C1E88B3" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_836F623FECD5991115BC5FCD0C1EF3D5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_4A6A24F08BBBC79934E15FCD0C1EB824" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_CC91E49447711ED590275FCD0C1E88B3" xlink:to="loc_us-gaap_StockholdersEquity_4A6A24F08BBBC79934E15FCD0C1EB824" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest_2FE6DCC20096EA86F93D5FCD0C1EB5D4" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_CC91E49447711ED590275FCD0C1E88B3" xlink:to="loc_us-gaap_MinorityInterest_2FE6DCC20096EA86F93D5FCD0C1EB5D4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_28CE7D702E57B78A56B95FCD0C1EA0BA" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_CC91E49447711ED590275FCD0C1E88B3" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_28CE7D702E57B78A56B95FCD0C1EA0BA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_F1E061E9E95D8CBC6BB35FCD0C1E7C1D" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_E70A3E6209C98B266A495FCD0C1E1227" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_F1E061E9E95D8CBC6BB35FCD0C1E7C1D" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_42732C2B82CCDF8E13515A6286BBEF23" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_CFC33B5F704A2EB661175A6286B55ACD" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_42732C2B82CCDF8E13515A6286BBEF23" xlink:to="loc_us-gaap_StatementTable_CFC33B5F704A2EB661175A6286B55ACD" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:label="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_4035043DAB355FA2F9665A6286B55078" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_CFC33B5F704A2EB661175A6286B55ACD" xlink:to="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_4035043DAB355FA2F9665A6286B55078" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_2B8B4BA25550BF70B7C35A6286B506D1_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_4035043DAB355FA2F9665A6286B55078" xlink:to="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_2B8B4BA25550BF70B7C35A6286B506D1_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_2B8B4BA25550BF70B7C35A6286B506D1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_4035043DAB355FA2F9665A6286B55078" xlink:to="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_2B8B4BA25550BF70B7C35A6286B506D1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_9D39D0841AF41A2A14115A6286BB2EE3" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_2B8B4BA25550BF70B7C35A6286B506D1" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_9D39D0841AF41A2A14115A6286BB2EE3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_DB483376ABB137D1D8B85A6286BB173F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42732C2B82CCDF8E13515A6286BBEF23" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_DB483376ABB137D1D8B85A6286BB173F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_D72E5D97B51CB18D3C965A6286BB2350" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42732C2B82CCDF8E13515A6286BBEF23" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_D72E5D97B51CB18D3C965A6286BB2350" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_059206223F8262875CCB5A6286BB59C4" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42732C2B82CCDF8E13515A6286BBEF23" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_059206223F8262875CCB5A6286BB59C4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_A3D993CEFE7046D9ED015A6286BBA9BD" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42732C2B82CCDF8E13515A6286BBEF23" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_A3D993CEFE7046D9ED015A6286BBA9BD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_49146D62D79FBB788EDC5A6286BB95A0" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42732C2B82CCDF8E13515A6286BBEF23" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_49146D62D79FBB788EDC5A6286BB95A0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_AD50D5DD62535BFBFEC65A6286BBD4B4" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42732C2B82CCDF8E13515A6286BBEF23" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_AD50D5DD62535BFBFEC65A6286BBD4B4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_0653971714370FDFD5F55A6286BBF8FB" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42732C2B82CCDF8E13515A6286BBEF23" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_0653971714370FDFD5F55A6286BBF8FB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_94B5E0E8673A43995D8F5A6286BB9E61" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42732C2B82CCDF8E13515A6286BBEF23" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_94B5E0E8673A43995D8F5A6286BB9E61" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_8FE4D5EA1CD65ADE24585A6286BC4AA2" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42732C2B82CCDF8E13515A6286BBEF23" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_8FE4D5EA1CD65ADE24585A6286BC4AA2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_F118671376D71F933A465A6286BCC1A1" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42732C2B82CCDF8E13515A6286BBEF23" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_F118671376D71F933A465A6286BCC1A1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_2BCC72C044B027F3D9BC5A6286BC46AC" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42732C2B82CCDF8E13515A6286BBEF23" xlink:to="loc_us-gaap_PreferredStockSharesIssued_2BCC72C044B027F3D9BC5A6286BC46AC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_E2CCD353041A6DED7AFB5A6286BC29BA" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42732C2B82CCDF8E13515A6286BBEF23" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_E2CCD353041A6DED7AFB5A6286BC29BA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_CF009540F4121E0089245A6286BCCCDA" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42732C2B82CCDF8E13515A6286BBEF23" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_CF009540F4121E0089245A6286BCCCDA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_98FB85347160B076DD8E5A6286BC1E49" xlink:type="locator"/>
<definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42732C2B82CCDF8E13515A6286BBEF23" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_98FB85347160B076DD8E5A6286BC1E49" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_971F009F19A265599EF15A6286BCCB52" xlink:type="locator"/>
<definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42732C2B82CCDF8E13515A6286BBEF23" xlink:to="loc_us-gaap_CommonStockSharesIssued_971F009F19A265599EF15A6286BCCB52" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_E37A37EDF7CC5848236F5A6286BCE08F" xlink:type="locator"/>
<definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42732C2B82CCDF8E13515A6286BBEF23" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_E37A37EDF7CC5848236F5A6286BCE08F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_us-gaap_TreasuryStockShares_01BE7F91155474D74C525A6286BCAD58" xlink:type="locator"/>
<definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42732C2B82CCDF8E13515A6286BBEF23" xlink:to="loc_us-gaap_TreasuryStockShares_01BE7F91155474D74C525A6286BCAD58" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended"/>
<definitionLink xlink:role="http://www.calpine.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:type="extended">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_FB366A58FBF7D199A8C126D4D937D0D2" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_B68DBF136F898F3B9A3226D4D9379012" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_FB366A58FBF7D199A8C126D4D937D0D2" xlink:to="loc_us-gaap_StatementTable_B68DBF136F898F3B9A3226D4D9379012" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_B1AE0253C8F02C862DB626D4D9370CC7" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_B68DBF136F898F3B9A3226D4D9379012" xlink:to="loc_us-gaap_StatementScenarioAxis_B1AE0253C8F02C862DB626D4D9370CC7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_89F374D6B3FEA9AE0F8A26D4D9372020_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_B1AE0253C8F02C862DB626D4D9370CC7" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_89F374D6B3FEA9AE0F8A26D4D9372020_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_89F374D6B3FEA9AE0F8A26D4D9372020" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_B1AE0253C8F02C862DB626D4D9370CC7" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_89F374D6B3FEA9AE0F8A26D4D9372020" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_04E6B783C11C12C5876E26D4D937437C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_FB366A58FBF7D199A8C126D4D937D0D2" xlink:to="loc_us-gaap_ProfitLoss_04E6B783C11C12C5876E26D4D937437C" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CashFlowHedgingAbstract" xlink:label="loc_cpn_CashFlowHedgingAbstract_B0D642873340B340C51526D4D937ACB7" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_FB366A58FBF7D199A8C126D4D937D0D2" xlink:to="loc_cpn_CashFlowHedgingAbstract_B0D642873340B340C51526D4D937ACB7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_255D5A2E1D52F699673626D4D93740C6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CashFlowHedgingAbstract_B0D642873340B340C51526D4D937ACB7" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_255D5A2E1D52F699673626D4D93740C6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_3E20A61B3385A38FFBC926D4D937D8E1" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_CashFlowHedgingAbstract_B0D642873340B340C51526D4D937ACB7" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_3E20A61B3385A38FFBC926D4D937D8E1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_989E388328FC3774E92926D4D9371AA3" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_FB366A58FBF7D199A8C126D4D937D0D2" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_989E388328FC3774E92926D4D9371AA3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax_837C46B5A96D1FBDFF3326D4D937B64F" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_FB366A58FBF7D199A8C126D4D937D0D2" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax_837C46B5A96D1FBDFF3326D4D937B64F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_49EDD6615E7D3CA6886226D4D947E3AB" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_FB366A58FBF7D199A8C126D4D937D0D2" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTax_49EDD6615E7D3CA6886226D4D947E3AB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_FADE8EA309A1C178961B26D4D9470893" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_FB366A58FBF7D199A8C126D4D937D0D2" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_FADE8EA309A1C178961B26D4D9470893" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_AC2F1160F0A55C9408C226D4D9472664" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_FB366A58FBF7D199A8C126D4D937D0D2" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_AC2F1160F0A55C9408C226D4D9472664" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_04AB9D0E2043A5A51E7126D4D947EFDD" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_FB366A58FBF7D199A8C126D4D937D0D2" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_04AB9D0E2043A5A51E7126D4D947EFDD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_8BAD9A5CA3F28847DAC626D4D947196E" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_FB366A58FBF7D199A8C126D4D937D0D2" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_8BAD9A5CA3F28847DAC626D4D947196E" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_E4CE7EEFCA3C0482F01B0D171E1165BF" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:to="loc_us-gaap_StatementTable_E4CE7EEFCA3C0482F01B0D171E1165BF" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_74005E68FC933E96B8870D171E11D99F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_E4CE7EEFCA3C0482F01B0D171E1165BF" xlink:to="loc_us-gaap_StatementScenarioAxis_74005E68FC933E96B8870D171E11D99F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_E72B0F87C15D7C4FA8B60D171E11A69A_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_74005E68FC933E96B8870D171E11D99F" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_E72B0F87C15D7C4FA8B60D171E11A69A_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_E72B0F87C15D7C4FA8B60D171E11A69A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_74005E68FC933E96B8870D171E11D99F" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_E72B0F87C15D7C4FA8B60D171E11A69A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="loc_us-gaap_RevenuesAbstract_764D917C340595DE2E0F0D171E114D4F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:to="loc_us-gaap_RevenuesAbstract_764D917C340595DE2E0F0D171E114D4F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SalesRevenueFromEnergyCommoditiesAndServices" xlink:label="loc_us-gaap_SalesRevenueFromEnergyCommoditiesAndServices_BD616E63B047945756CA0D171E1154DD" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_764D917C340595DE2E0F0D171E114D4F" xlink:to="loc_us-gaap_SalesRevenueFromEnergyCommoditiesAndServices_BD616E63B047945756CA0D171E1154DD" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_MarktoMarketGainLossonDerivativesincludedinOperatingRevenues" xlink:label="loc_cpn_MarktoMarketGainLossonDerivativesincludedinOperatingRevenues_00167C62A0606AE396C40D171E117A46" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_764D917C340595DE2E0F0D171E114D4F" xlink:to="loc_cpn_MarktoMarketGainLossonDerivativesincludedinOperatingRevenues_00167C62A0606AE396C40D171E117A46" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherOperatingIncome" xlink:label="loc_us-gaap_OtherOperatingIncome_A949F49BB409724262A60D171E1144FB" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_764D917C340595DE2E0F0D171E114D4F" xlink:to="loc_us-gaap_OtherOperatingIncome_A949F49BB409724262A60D171E1144FB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_62C3A580C2FFF5ED558A0D171E11E378" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_764D917C340595DE2E0F0D171E114D4F" xlink:to="loc_us-gaap_Revenues_62C3A580C2FFF5ED558A0D171E11E378" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostOfRevenueAbstract" xlink:label="loc_us-gaap_CostOfRevenueAbstract_98C92601B1E0E595A07B0D171E11C304" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:to="loc_us-gaap_CostOfRevenueAbstract_98C92601B1E0E595A07B0D171E11C304" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostOfGoodsAndServicesEnergyCommoditiesAndServices" xlink:label="loc_us-gaap_CostOfGoodsAndServicesEnergyCommoditiesAndServices_2F10D714BC0F5152596A0D171E1117C1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_98C92601B1E0E595A07B0D171E11C304" xlink:to="loc_us-gaap_CostOfGoodsAndServicesEnergyCommoditiesAndServices_2F10D714BC0F5152596A0D171E1117C1" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_MarktoMarketGainLossonDerivativesIncludedinFuelandPurchasedEnergyExpense" xlink:label="loc_cpn_MarktoMarketGainLossonDerivativesIncludedinFuelandPurchasedEnergyExpense_AD634D22013907C247890D171E114FD3" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_98C92601B1E0E595A07B0D171E11C304" xlink:to="loc_cpn_MarktoMarketGainLossonDerivativesIncludedinFuelandPurchasedEnergyExpense_AD634D22013907C247890D171E114FD3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="loc_us-gaap_CostOfRevenue_FA21F219B5FA7613D02E0D171E1175A4" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_98C92601B1E0E595A07B0D171E11C304" xlink:to="loc_us-gaap_CostOfRevenue_FA21F219B5FA7613D02E0D171E1175A4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingCostsAndExpenses" xlink:label="loc_us-gaap_OperatingCostsAndExpenses_86B9157899AAF3BFAD140D171E11FE7B" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_98C92601B1E0E595A07B0D171E11C304" xlink:to="loc_us-gaap_OperatingCostsAndExpenses_86B9157899AAF3BFAD140D171E11FE7B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_7B4770FA8BDEC7FFBF010D171E110F57" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_98C92601B1E0E595A07B0D171E11C304" xlink:to="loc_us-gaap_DepreciationAndAmortization_7B4770FA8BDEC7FFBF010D171E110F57" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_C33DC729210DE8128BEE0D171E1104D3" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_98C92601B1E0E595A07B0D171E11C304" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_C33DC729210DE8128BEE0D171E1104D3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_B39296C19186415CB9490D171E11E2F3" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_98C92601B1E0E595A07B0D171E11C304" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_B39296C19186415CB9490D171E11E2F3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_8EFCB9FE0059A141A3B40D171E11D193" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_98C92601B1E0E595A07B0D171E11C304" xlink:to="loc_us-gaap_CostsAndExpenses_8EFCB9FE0059A141A3B40D171E11D193" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="loc_us-gaap_AssetImpairmentCharges_D75627DE041D20C892CC0D171E1145A0" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:to="loc_us-gaap_AssetImpairmentCharges_D75627DE041D20C892CC0D171E1145A0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets1" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_4C9009600066FB3FEE660D171E114D52" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_4C9009600066FB3FEE660D171E114D52" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_F5FFE5E44C90B3A7D8BF0D171E11F112" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_F5FFE5E44C90B3A7D8BF0D171E11F112" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_0F200127B058FD32E9760D171E11CFB6" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:to="loc_us-gaap_OperatingIncomeLoss_0F200127B058FD32E9760D171E11CFB6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_5EFA7A1BD08BCC104B990D171E201436" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:to="loc_us-gaap_InterestExpense_5EFA7A1BD08BCC104B990D171E201436" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments" xlink:label="loc_us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments_787D728E8FC8E86B4B230D171E20A73D" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:to="loc_us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments_787D728E8FC8E86B4B230D171E20A73D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_us-gaap_InvestmentIncomeInterest_AEC57D3468E7A66799A70D171E207C9E" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:to="loc_us-gaap_InvestmentIncomeInterest_AEC57D3468E7A66799A70D171E207C9E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_D5EAA7EDFAC46C5226400D171E2072C7" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_D5EAA7EDFAC46C5226400D171E2072C7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_76334CF7C01ABD864E8A0D171E20B7BD" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_76334CF7C01ABD864E8A0D171E20B7BD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_8DD7C2E9D71DA9061EA60D171E20C1F3" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_8DD7C2E9D71DA9061EA60D171E20C1F3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_568A798901BCCA3BA02B0D171E200371" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_568A798901BCCA3BA02B0D171E200371" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_E741D69187E3FBA9863F0D171E20E323" xlink:type="locator"/>
<definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:to="loc_us-gaap_ProfitLoss_E741D69187E3FBA9863F0D171E20E323" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_1FA31F776BE4C775CA7F0D171E20AF24" xlink:type="locator"/>
<definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_1FA31F776BE4C775CA7F0D171E20AF24" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_0ECF177FDFBC13FCD7000D171E202282" xlink:type="locator"/>
<definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:to="loc_us-gaap_NetIncomeLoss_0ECF177FDFBC13FCD7000D171E202282" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_AD7C7A0FEED66041CAB90D171E203421" xlink:type="locator"/>
<definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:to="loc_us-gaap_EarningsPerShareBasicAbstract_AD7C7A0FEED66041CAB90D171E203421" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_E888EB6D9B1E7509E8FB0D171E2077F1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_AD7C7A0FEED66041CAB90D171E203421" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_E888EB6D9B1E7509E8FB0D171E2077F1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_A3DDAC01F3523083B95F0D171E209F81" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_AD7C7A0FEED66041CAB90D171E203421" xlink:to="loc_us-gaap_EarningsPerShareBasic_A3DDAC01F3523083B95F0D171E209F81" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareDilutedAbstract_88913E38AC7778B0CD770D171E2019B7" xlink:type="locator"/>
<definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_42D3EBE499CA50DACA6A0D171E1157DA" xlink:to="loc_us-gaap_EarningsPerShareDilutedAbstract_88913E38AC7778B0CD770D171E2019B7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_71CEA8CF464266CC23760D171E20548E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_88913E38AC7778B0CD770D171E2019B7" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_71CEA8CF464266CC23760D171E20548E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_982C398DC59324A3E4F70D171E2089AB" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_88913E38AC7778B0CD770D171E2019B7" xlink:to="loc_us-gaap_EarningsPerShareDiluted_982C398DC59324A3E4F70D171E2089AB" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_6505611696AE013009EA6FA7D223ADDB" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_784052537A7B215836F36FA7D2224226" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_6505611696AE013009EA6FA7D223ADDB" xlink:to="loc_us-gaap_StatementTable_784052537A7B215836F36FA7D2224226" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_0E0515880811F4FC5E456FA7D22226DB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_784052537A7B215836F36FA7D2224226" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_0E0515880811F4FC5E456FA7D22226DB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_87C6742BFAE3B9E5E4B36FA7D222BC18_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_0E0515880811F4FC5E456FA7D22226DB" xlink:to="loc_us-gaap_EquityComponentDomain_87C6742BFAE3B9E5E4B36FA7D222BC18_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_87C6742BFAE3B9E5E4B36FA7D222BC18" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_0E0515880811F4FC5E456FA7D22226DB" xlink:to="loc_us-gaap_EquityComponentDomain_87C6742BFAE3B9E5E4B36FA7D222BC18" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_970CD778A3B001DBB9C66FA7D2228889" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_87C6742BFAE3B9E5E4B36FA7D222BC18" xlink:to="loc_us-gaap_CommonStockMember_970CD778A3B001DBB9C66FA7D2228889" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_0C627CAABC1B775F7C066FA7D2226188" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_87C6742BFAE3B9E5E4B36FA7D222BC18" xlink:to="loc_us-gaap_TreasuryStockMember_0C627CAABC1B775F7C066FA7D2226188" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_29060F153A4B9D8C06E16FA7D222C0EA" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_87C6742BFAE3B9E5E4B36FA7D222BC18" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_29060F153A4B9D8C06E16FA7D222C0EA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_EA98CD46598586FF34566FA7D2239A11" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_87C6742BFAE3B9E5E4B36FA7D222BC18" xlink:to="loc_us-gaap_RetainedEarningsMember_EA98CD46598586FF34566FA7D2239A11" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_82ECCD6A653EED3824106FA7D2234417" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_87C6742BFAE3B9E5E4B36FA7D222BC18" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_82ECCD6A653EED3824106FA7D2234417" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_1C125AFDA349598454486FA7D223CCAD" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_87C6742BFAE3B9E5E4B36FA7D222BC18" xlink:to="loc_us-gaap_NoncontrollingInterestMember_1C125AFDA349598454486FA7D223CCAD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_90012083E3E4B8865EE26FA7D223E38F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_6505611696AE013009EA6FA7D223ADDB" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_90012083E3E4B8865EE26FA7D223E38F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_FB11A3818FC061869EA76FA7D2233467" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_6505611696AE013009EA6FA7D223ADDB" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_FB11A3818FC061869EA76FA7D2233467" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_450C3B115DF424E797166FA7D223777F" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_6505611696AE013009EA6FA7D223ADDB" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_450C3B115DF424E797166FA7D223777F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_CD2D4FBEB2F7F194ECDD6FA7D2235665" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_6505611696AE013009EA6FA7D223ADDB" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_CD2D4FBEB2F7F194ECDD6FA7D2235665" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToMinorityShareholders" xlink:label="loc_us-gaap_PaymentsToMinorityShareholders_7CA229C9B9C3D57BB9466FA7D2248DD2" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_6505611696AE013009EA6FA7D223ADDB" xlink:to="loc_us-gaap_PaymentsToMinorityShareholders_7CA229C9B9C3D57BB9466FA7D2248DD2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockholdersEquityOther" xlink:label="loc_us-gaap_StockholdersEquityOther_44E5C7B4A4CF218F65956FA7D224F58F" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_6505611696AE013009EA6FA7D223ADDB" xlink:to="loc_us-gaap_StockholdersEquityOther_44E5C7B4A4CF218F65956FA7D224F58F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_E68627FB10487B1B51886FA7D2241233" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_6505611696AE013009EA6FA7D223ADDB" xlink:to="loc_us-gaap_ProfitLoss_E68627FB10487B1B51886FA7D2241233" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_F2312D97C2DB6E1D0ACB6FA7D224A766" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_6505611696AE013009EA6FA7D223ADDB" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_F2312D97C2DB6E1D0ACB6FA7D224A766" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_B7555B624B19EB5DDFC2CB871ED28936" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_B6EFF5020C97ED3414A1CB871ED226E4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B7555B624B19EB5DDFC2CB871ED28936" xlink:to="loc_us-gaap_DebtInstrumentTable_B6EFF5020C97ED3414A1CB871ED226E4" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_B7F0E65FE93447BD5871CB871ED2E67D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_B6EFF5020C97ED3414A1CB871ED226E4" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_B7F0E65FE93447BD5871CB871ED2E67D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_042651771293BF153C33CB871ED210CD_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_B7F0E65FE93447BD5871CB871ED2E67D" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_042651771293BF153C33CB871ED210CD_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_042651771293BF153C33CB871ED210CD" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_B7F0E65FE93447BD5871CB871ED2E67D" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_042651771293BF153C33CB871ED210CD" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_IncrementalCCFCTermLoansMember" xlink:label="loc_cpn_IncrementalCCFCTermLoansMember_6335E964DCDBB2B3FA3ECB8799F49F70" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_042651771293BF153C33CB871ED210CD" xlink:to="loc_cpn_IncrementalCCFCTermLoansMember_6335E964DCDBB2B3FA3ECB8799F49F70" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_2EB6A6299D71DB7E3D10CB871ED2E482" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_042651771293BF153C33CB871ED210CD" xlink:to="loc_us-gaap_SecuredDebtMember_2EB6A6299D71DB7E3D10CB871ED2E482" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CCFCTermLoanB1Member" xlink:label="loc_cpn_CCFCTermLoanB1Member_FF0DEB322047906EFC59CB871ED26A80" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_042651771293BF153C33CB871ED210CD" xlink:to="loc_cpn_CCFCTermLoanB1Member_FF0DEB322047906EFC59CB871ED26A80" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CCFCTermLoanB2Member" xlink:label="loc_cpn_CCFCTermLoanB2Member_F54BF8FEB4ECFF7180A8CB871ED2B10A" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_042651771293BF153C33CB871ED210CD" xlink:to="loc_cpn_CCFCTermLoanB2Member_F54BF8FEB4ECFF7180A8CB871ED2B10A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_166275C4729B259E378CCB871ED21637" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_B6EFF5020C97ED3414A1CB871ED226E4" xlink:to="loc_us-gaap_DebtInstrumentAxis_166275C4729B259E378CCB871ED21637" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_6288253F9EA705E9DD32CB871ED23267_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_166275C4729B259E378CCB871ED21637" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_6288253F9EA705E9DD32CB871ED23267_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_6288253F9EA705E9DD32CB871ED23267" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_166275C4729B259E378CCB871ED21637" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_6288253F9EA705E9DD32CB871ED23267" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_56E08C8AAFC5828E36B2CB871ED20B7B" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_B6EFF5020C97ED3414A1CB871ED226E4" xlink:to="loc_us-gaap_VariableRateAxis_56E08C8AAFC5828E36B2CB871ED20B7B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_B5E05DFDF0A0D564D615CB871ED2762E_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_56E08C8AAFC5828E36B2CB871ED20B7B" xlink:to="loc_us-gaap_VariableRateDomain_B5E05DFDF0A0D564D615CB871ED2762E_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_B5E05DFDF0A0D564D615CB871ED2762E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_56E08C8AAFC5828E36B2CB871ED20B7B" xlink:to="loc_us-gaap_VariableRateDomain_B5E05DFDF0A0D564D615CB871ED2762E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodAxis" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_2BD37F3A2F2FCEE1992ECB871ED2D3C8" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_B6EFF5020C97ED3414A1CB871ED226E4" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_2BD37F3A2F2FCEE1992ECB871ED2D3C8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_6528EC6E21FDF28C68FBCB871ED286EF_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_2BD37F3A2F2FCEE1992ECB871ED2D3C8" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_6528EC6E21FDF28C68FBCB871ED286EF_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_6528EC6E21FDF28C68FBCB871ED286EF" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_2BD37F3A2F2FCEE1992ECB871ED2D3C8" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_6528EC6E21FDF28C68FBCB871ED286EF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_08FE1052961158209D1ECB871ED2985E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B7555B624B19EB5DDFC2CB871ED28936" xlink:to="loc_us-gaap_LongTermDebt_08FE1052961158209D1ECB871ED2985E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_6E1DC7B639EEE44F3286CB871ED2D548" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B7555B624B19EB5DDFC2CB871ED28936" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_6E1DC7B639EEE44F3286CB871ED2D548" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_DDFB5A5CD1B763386408CB871ED2DA23" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B7555B624B19EB5DDFC2CB871ED28936" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_DDFB5A5CD1B763386408CB871ED2DA23" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_TermLoanPeriod" xlink:label="loc_cpn_TermLoanPeriod_6A167BF8B89374B27995CB871ED2DA03" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B7555B624B19EB5DDFC2CB871ED28936" xlink:to="loc_cpn_TermLoanPeriod_6A167BF8B89374B27995CB871ED2DA03" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum_54379933A610DDBE19ECCB871ED2154B" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B7555B624B19EB5DDFC2CB871ED28936" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum_54379933A610DDBE19ECCB871ED2154B" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_TermloaninterestratespreadoptionFederalFundseffectiverate" xlink:label="loc_cpn_TermloaninterestratespreadoptionFederalFundseffectiverate_6DC8662EED3119CE7EE3CB871ED2ADA1" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B7555B624B19EB5DDFC2CB871ED28936" xlink:to="loc_cpn_TermloaninterestratespreadoptionFederalFundseffectiverate_6DC8662EED3119CE7EE3CB871ED2ADA1" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_TermloaninterestratespreadoptionPrimeRate" xlink:label="loc_cpn_TermloaninterestratespreadoptionPrimeRate_DDF6435E577A2A447E04CB871ED2A779" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B7555B624B19EB5DDFC2CB871ED28936" xlink:to="loc_cpn_TermloaninterestratespreadoptionPrimeRate_DDF6435E577A2A447E04CB871ED2A779" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_3B0DD9C8C052C01C7EB9CB871ED20794" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B7555B624B19EB5DDFC2CB871ED28936" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_3B0DD9C8C052C01C7EB9CB871ED20794" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_LongTermDebtnetofOriginalIssuanceDisount" xlink:label="loc_cpn_LongTermDebtnetofOriginalIssuanceDisount_29605A83BBEC107BAB86CB871ED2CC5E" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B7555B624B19EB5DDFC2CB871ED28936" xlink:to="loc_cpn_LongTermDebtnetofOriginalIssuanceDisount_29605A83BBEC107BAB86CB871ED2CC5E" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PercentageoftheprincipalamountoftheTermLoantobepaidquarterly" xlink:label="loc_cpn_PercentageoftheprincipalamountoftheTermLoantobepaidquarterly_B54B514590701741A0C9CB871ED23DFF" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B7555B624B19EB5DDFC2CB871ED28936" xlink:to="loc_cpn_PercentageoftheprincipalamountoftheTermLoantobepaidquarterly_B54B514590701741A0C9CB871ED23DFF" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_1D3DEC6F1314DE0090A6CE98A69744EE" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_2FECFD84627A4671A1E9CE98A697CC7C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_1D3DEC6F1314DE0090A6CE98A69744EE" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_2FECFD84627A4671A1E9CE98A697CC7C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_EC1DAC30B0A40D4D6F24CE98A697E70B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_2FECFD84627A4671A1E9CE98A697CC7C" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_EC1DAC30B0A40D4D6F24CE98A697E70B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_27D7C66097DE111BC144CE98A6975021_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_EC1DAC30B0A40D4D6F24CE98A697E70B" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_27D7C66097DE111BC144CE98A6975021_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_27D7C66097DE111BC144CE98A6975021" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_EC1DAC30B0A40D4D6F24CE98A697E70B" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_27D7C66097DE111BC144CE98A6975021" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CorporateRevolvingFacilityMember" xlink:label="loc_cpn_CorporateRevolvingFacilityMember_F9FA3BB5F755D8D0EE53CE98A697478B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_27D7C66097DE111BC144CE98A6975021" xlink:to="loc_cpn_CorporateRevolvingFacilityMember_F9FA3BB5F755D8D0EE53CE98A697478B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_AE3C787D3ADFED938DE3CE98A6975C18" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_2FECFD84627A4671A1E9CE98A697CC7C" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_AE3C787D3ADFED938DE3CE98A6975C18" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_C9CB25FF489E3B4E9D23CE98A697CBEF_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_AE3C787D3ADFED938DE3CE98A6975C18" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_C9CB25FF489E3B4E9D23CE98A697CBEF_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_C9CB25FF489E3B4E9D23CE98A697CBEF" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_AE3C787D3ADFED938DE3CE98A6975C18" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_C9CB25FF489E3B4E9D23CE98A697CBEF" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CorporateRevolvingFacilityMember" xlink:label="loc_cpn_CorporateRevolvingFacilityMember_2A81047387C5F7B810FECE98A6978F99" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_C9CB25FF489E3B4E9D23CE98A697CBEF" xlink:to="loc_cpn_CorporateRevolvingFacilityMember_2A81047387C5F7B810FECE98A6978F99" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CdhMember" xlink:label="loc_cpn_CdhMember_FF63AD84C0CB1632E558CE98A6975977" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_C9CB25FF489E3B4E9D23CE98A697CBEF" xlink:to="loc_cpn_CdhMember_FF63AD84C0CB1632E558CE98A6975977" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_VariousProjectFinancingFacilitiesMember" xlink:label="loc_cpn_VariousProjectFinancingFacilitiesMember_DA9708EE73AFC3EA50C6CE98A6974EF6" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_C9CB25FF489E3B4E9D23CE98A697CBEF" xlink:to="loc_cpn_VariousProjectFinancingFacilitiesMember_DA9708EE73AFC3EA50C6CE98A6974EF6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding" xlink:label="loc_us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding_4C583EF6810E89A2BBEECE98A697D591" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_1D3DEC6F1314DE0090A6CE98A69744EE" xlink:to="loc_us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding_4C583EF6810E89A2BBEECE98A697D591" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_2B9690D8A6FD93C0391F5A6285E83D98" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_F6E3C33CB8F8E10CD0915A6285E764E4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2B9690D8A6FD93C0391F5A6285E83D98" xlink:to="loc_us-gaap_DebtInstrumentTable_F6E3C33CB8F8E10CD0915A6285E764E4" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_4D94809C6B81F9D673005A6285E7629E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_F6E3C33CB8F8E10CD0915A6285E764E4" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_4D94809C6B81F9D673005A6285E7629E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_1F32D5EFCF42CB4CB3725A6285E739D6_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_4D94809C6B81F9D673005A6285E7629E" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_1F32D5EFCF42CB4CB3725A6285E739D6_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_1F32D5EFCF42CB4CB3725A6285E739D6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_4D94809C6B81F9D673005A6285E7629E" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_1F32D5EFCF42CB4CB3725A6285E739D6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_8149E7F5A8BB87729F855A6285E79FA9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1F32D5EFCF42CB4CB3725A6285E739D6" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_8149E7F5A8BB87729F855A6285E79FA9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_3B0F4FB2C6B4E2281A005A6285E7D260" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1F32D5EFCF42CB4CB3725A6285E739D6" xlink:to="loc_us-gaap_UnsecuredDebtMember_3B0F4FB2C6B4E2281A005A6285E7D260" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LoansPayableMember" xlink:label="loc_us-gaap_LoansPayableMember_5E1A741DA4DADF56FF535A6285E8F4D6" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1F32D5EFCF42CB4CB3725A6285E739D6" xlink:to="loc_us-gaap_LoansPayableMember_5E1A741DA4DADF56FF535A6285E8F4D6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NotesPayableOtherPayablesMember" xlink:label="loc_us-gaap_NotesPayableOtherPayablesMember_DCCA4F3BEF36EF008C2F5A6285E814D1" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1F32D5EFCF42CB4CB3725A6285E739D6" xlink:to="loc_us-gaap_NotesPayableOtherPayablesMember_DCCA4F3BEF36EF008C2F5A6285E814D1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_AC591CFE5FD88265851B5A6285E8E4FB" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1F32D5EFCF42CB4CB3725A6285E739D6" xlink:to="loc_us-gaap_SecuredDebtMember_AC591CFE5FD88265851B5A6285E8E4FB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeaseObligationsMember" xlink:label="loc_us-gaap_CapitalLeaseObligationsMember_B0075310613AA26EEB445A6285E82417" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1F32D5EFCF42CB4CB3725A6285E739D6" xlink:to="loc_us-gaap_CapitalLeaseObligationsMember_B0075310613AA26EEB445A6285E82417" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_D9B6667EBCE7729647CE5A6285E8623A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2B9690D8A6FD93C0391F5A6285E83D98" xlink:to="loc_us-gaap_LongTermDebt_D9B6667EBCE7729647CE5A6285E8623A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_DebtAndCapitalLeaseObligations_2642BA4DE5CA779DAC205A6285E8F925" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2B9690D8A6FD93C0391F5A6285E83D98" xlink:to="loc_us-gaap_DebtAndCapitalLeaseObligations_2642BA4DE5CA779DAC205A6285E8F925" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_5B97673EB2B981E250F25A6285E88130" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2B9690D8A6FD93C0391F5A6285E83D98" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_5B97673EB2B981E250F25A6285E88130" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_44D5F1CB62723019A64F5A6285E84B42" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2B9690D8A6FD93C0391F5A6285E83D98" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_44D5F1CB62723019A64F5A6285E84B42" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_D33AD77DCDBD28BECF6B5A6285E12B98" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_5F8685F99A41431381545A6285E147DB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D33AD77DCDBD28BECF6B5A6285E12B98" xlink:to="loc_us-gaap_DebtInstrumentTable_5F8685F99A41431381545A6285E147DB" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_8220A188B15E2D36AE545A6285E17E06" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_5F8685F99A41431381545A6285E147DB" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_8220A188B15E2D36AE545A6285E17E06" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_D19B61F4705753BFCAE15A6285E1A638_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_8220A188B15E2D36AE545A6285E17E06" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_D19B61F4705753BFCAE15A6285E1A638_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_D19B61F4705753BFCAE15A6285E1A638" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_8220A188B15E2D36AE545A6285E17E06" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_D19B61F4705753BFCAE15A6285E1A638" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_FirstLienNotes2019Member" xlink:label="loc_cpn_FirstLienNotes2019Member_755CDE571B65A1BB66CC5A6285E129C8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D19B61F4705753BFCAE15A6285E1A638" xlink:to="loc_cpn_FirstLienNotes2019Member_755CDE571B65A1BB66CC5A6285E129C8" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_FirstLienNotes2020Member" xlink:label="loc_cpn_FirstLienNotes2020Member_14A1D3170A872E126DFE5A6285E13C36" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D19B61F4705753BFCAE15A6285E1A638" xlink:to="loc_cpn_FirstLienNotes2020Member_14A1D3170A872E126DFE5A6285E13C36" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_FirstLienNotes2021Member" xlink:label="loc_cpn_FirstLienNotes2021Member_2160EA5EC1DAE26940475A6285E1C5B7" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D19B61F4705753BFCAE15A6285E1A638" xlink:to="loc_cpn_FirstLienNotes2021Member_2160EA5EC1DAE26940475A6285E1C5B7" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_A2022FirstLienNotesMember" xlink:label="loc_cpn_A2022FirstLienNotesMember_E057D1F452AD70D91CE55A6285E14A46" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D19B61F4705753BFCAE15A6285E1A638" xlink:to="loc_cpn_A2022FirstLienNotesMember_E057D1F452AD70D91CE55A6285E14A46" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_FirstLienNotes2023Member" xlink:label="loc_cpn_FirstLienNotes2023Member_4450545C7D3BF9C9867D5A6285E167D9" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D19B61F4705753BFCAE15A6285E1A638" xlink:to="loc_cpn_FirstLienNotes2023Member_4450545C7D3BF9C9867D5A6285E167D9" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_A2024FirstLienNotesMember" xlink:label="loc_cpn_A2024FirstLienNotesMember_FB3FE454774C37C8B7825A6285E14317" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D19B61F4705753BFCAE15A6285E1A638" xlink:to="loc_cpn_A2024FirstLienNotesMember_FB3FE454774C37C8B7825A6285E14317" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_B01C790BC0535BE750E15A6285E110F8" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D19B61F4705753BFCAE15A6285E1A638" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_B01C790BC0535BE750E15A6285E110F8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_BF6B69D672B233FF70CA5A6285E2AD84" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D33AD77DCDBD28BECF6B5A6285E12B98" xlink:to="loc_us-gaap_LongTermDebt_BF6B69D672B233FF70CA5A6285E2AD84" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_B2552A4F556610CBC2CC5AA516E88405" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D33AD77DCDBD28BECF6B5A6285E12B98" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_B2552A4F556610CBC2CC5AA516E88405" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_9D1D2FF06CF11B209E075A6285E2F1AA" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D33AD77DCDBD28BECF6B5A6285E12B98" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_9D1D2FF06CF11B209E075A6285E2F1AA" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_D07890D60AE4B31C687ECE98A6C602E6" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_83C045FC7A7EE9759A4ACE98A6C681EB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D07890D60AE4B31C687ECE98A6C602E6" xlink:to="loc_us-gaap_DebtInstrumentTable_83C045FC7A7EE9759A4ACE98A6C681EB" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_D89A056DBBE45953D827CE98A6C6B6A0" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_83C045FC7A7EE9759A4ACE98A6C681EB" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_D89A056DBBE45953D827CE98A6C6B6A0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_D2037E3463F413622F2CCE98A6C6E909_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_D89A056DBBE45953D827CE98A6C6B6A0" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_D2037E3463F413622F2CCE98A6C6E909_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_D2037E3463F413622F2CCE98A6C6E909" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_D89A056DBBE45953D827CE98A6C6B6A0" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_D2037E3463F413622F2CCE98A6C6E909" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_FirstLienTermLoans2018Member" xlink:label="loc_cpn_FirstLienTermLoans2018Member_30E1768532CE341DE93ACE98A6C6E29C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D2037E3463F413622F2CCE98A6C6E909" xlink:to="loc_cpn_FirstLienTermLoans2018Member_30E1768532CE341DE93ACE98A6C6E29C" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_FirstLienTermLoan2019Member" xlink:label="loc_cpn_FirstLienTermLoan2019Member_87223BC9579C6AFEAC0BCE98A6C673B1" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D2037E3463F413622F2CCE98A6C6E909" xlink:to="loc_cpn_FirstLienTermLoan2019Member_87223BC9579C6AFEAC0BCE98A6C673B1" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_A2020FirstLienTermLoanMember" xlink:label="loc_cpn_A2020FirstLienTermLoanMember_FEFB3F8064B18957B45ECE98A6C64D7E" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D2037E3463F413622F2CCE98A6C6E909" xlink:to="loc_cpn_A2020FirstLienTermLoanMember_FEFB3F8064B18957B45ECE98A6C64D7E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LoansPayableMember" xlink:label="loc_us-gaap_LoansPayableMember_66C65022253EA25DB71FCEB966B51171" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_D2037E3463F413622F2CCE98A6C6E909" xlink:to="loc_us-gaap_LoansPayableMember_66C65022253EA25DB71FCEB966B51171" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_2C182B162F30A030FA2ECE98A6C68BC4" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_83C045FC7A7EE9759A4ACE98A6C681EB" xlink:to="loc_us-gaap_DebtInstrumentAxis_2C182B162F30A030FA2ECE98A6C68BC4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_C861F4186AF0A8A4B1AFCE98A6C60B7E_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_2C182B162F30A030FA2ECE98A6C68BC4" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_C861F4186AF0A8A4B1AFCE98A6C60B7E_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_C861F4186AF0A8A4B1AFCE98A6C60B7E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_2C182B162F30A030FA2ECE98A6C68BC4" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_C861F4186AF0A8A4B1AFCE98A6C60B7E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_A6992142CD479CB4E4F6CE98A6C6CA26" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D07890D60AE4B31C687ECE98A6C602E6" xlink:to="loc_us-gaap_LongTermDebt_A6992142CD479CB4E4F6CE98A6C6CA26" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_BA59ECEDA9556D2DCCB0CE98A6C64376" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D07890D60AE4B31C687ECE98A6C602E6" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_BA59ECEDA9556D2DCCB0CE98A6C64376" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_E1FEE25942A45A1C076E4B1ADDE33F72" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_43D1301ABC6FDABE6F644B1ADDE3F7B3" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_E1FEE25942A45A1C076E4B1ADDE33F72" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_43D1301ABC6FDABE6F644B1ADDE3F7B3" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_C8C8FF2720E7BF1FA0B84B1ADDE3959B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_43D1301ABC6FDABE6F644B1ADDE3F7B3" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_C8C8FF2720E7BF1FA0B84B1ADDE3959B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_9A11359BD920B29D5D934B1ADDE3ABEF_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_C8C8FF2720E7BF1FA0B84B1ADDE3959B" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_9A11359BD920B29D5D934B1ADDE3ABEF_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_EA867F19B9821422BAE84B1ADDE370E9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_C8C8FF2720E7BF1FA0B84B1ADDE3959B" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_EA867F19B9821422BAE84B1ADDE370E9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_9A11359BD920B29D5D934B1ADDE3ABEF" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_EA867F19B9821422BAE84B1ADDE370E9" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_9A11359BD920B29D5D934B1ADDE3ABEF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_08F0358FF847959205BC4B1ADDE3CC41" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_EA867F19B9821422BAE84B1ADDE370E9" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_08F0358FF847959205BC4B1ADDE3CC41" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NotesPayableFairValueDisclosure" xlink:label="loc_us-gaap_NotesPayableFairValueDisclosure_DEDB1DB0BC18300297714B1ADDE3C580" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_E1FEE25942A45A1C076E4B1ADDE33F72" xlink:to="loc_us-gaap_NotesPayableFairValueDisclosure_DEDB1DB0BC18300297714B1ADDE3C580" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_SeniorUnsecuredNotesFairValueDisclosure" xlink:label="loc_cpn_SeniorUnsecuredNotesFairValueDisclosure_A9C67323D408636B93104B1ADDE31AEA" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_E1FEE25942A45A1C076E4B1ADDE33F72" xlink:to="loc_cpn_SeniorUnsecuredNotesFairValueDisclosure_A9C67323D408636B93104B1ADDE31AEA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LoansPayableFairValueDisclosure" xlink:label="loc_us-gaap_LoansPayableFairValueDisclosure_20DA77498F2CDDF1C6E54B1ADDE4F529" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_E1FEE25942A45A1C076E4B1ADDE33F72" xlink:to="loc_us-gaap_LoansPayableFairValueDisclosure_20DA77498F2CDDF1C6E54B1ADDE4F529" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_NotesPayableOtherPayablesDisclosure" xlink:label="loc_cpn_NotesPayableOtherPayablesDisclosure_7971ABBA3D150754073C4B1ADDE4AE56" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_E1FEE25942A45A1C076E4B1ADDE33F72" xlink:to="loc_cpn_NotesPayableOtherPayablesDisclosure_7971ABBA3D150754073C4B1ADDE4AE56" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_SubsidiariesTermLoan" xlink:label="loc_cpn_SubsidiariesTermLoan_B097D3B6D3E140E613474B1ADDE447F1" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_E1FEE25942A45A1C076E4B1ADDE33F72" xlink:to="loc_cpn_SubsidiariesTermLoan_B097D3B6D3E140E613474B1ADDE447F1" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_DebtExcludingCapitalLeases" xlink:label="loc_cpn_DebtExcludingCapitalLeases_0BDC49CC1819C3F878364B1ADDE4921F" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_E1FEE25942A45A1C076E4B1ADDE33F72" xlink:to="loc_cpn_DebtExcludingCapitalLeases_0BDC49CC1819C3F878364B1ADDE4921F" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_1953FAE2C396179C912FCE98A6C6819D" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_DA5B3434713385310799CE98A6B6E11C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953FAE2C396179C912FCE98A6C6819D" xlink:to="loc_us-gaap_DebtInstrumentTable_DA5B3434713385310799CE98A6B6E11C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_BA97BB89EA4EA6BDAC64CE98A6C63BBE" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_DA5B3434713385310799CE98A6B6E11C" xlink:to="loc_us-gaap_DebtInstrumentAxis_BA97BB89EA4EA6BDAC64CE98A6C63BBE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_CFA4B7022DF3EF7B1681CE98A6C6DF9F_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_BA97BB89EA4EA6BDAC64CE98A6C63BBE" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_CFA4B7022DF3EF7B1681CE98A6C6DF9F_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_CFA4B7022DF3EF7B1681CE98A6C6DF9F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_BA97BB89EA4EA6BDAC64CE98A6C63BBE" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_CFA4B7022DF3EF7B1681CE98A6C6DF9F" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_RussellCityProjectMember" xlink:label="loc_cpn_RussellCityProjectMember_FE11D06617FC63496703CE98A6C6AEFB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_CFA4B7022DF3EF7B1681CE98A6C6DF9F" xlink:to="loc_cpn_RussellCityProjectMember_FE11D06617FC63496703CE98A6C6AEFB" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_SteamboatMember" xlink:label="loc_cpn_SteamboatMember_4ED71F6BF6A41CE44252CE98A6C62DE7" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_CFA4B7022DF3EF7B1681CE98A6C6DF9F" xlink:to="loc_cpn_SteamboatMember_4ED71F6BF6A41CE44252CE98A6C62DE7" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_OmecMember" xlink:label="loc_cpn_OmecMember_931F209FED35F07E4B9CCE98A6C634D7" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_CFA4B7022DF3EF7B1681CE98A6C6DF9F" xlink:to="loc_cpn_OmecMember_931F209FED35F07E4B9CCE98A6C634D7" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_LosEsterosProjectMember" xlink:label="loc_cpn_LosEsterosProjectMember_35833424410B1778F902CE98A6C60508" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_CFA4B7022DF3EF7B1681CE98A6C6DF9F" xlink:to="loc_cpn_LosEsterosProjectMember_35833424410B1778F902CE98A6C60508" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PasadenaMember" xlink:label="loc_cpn_PasadenaMember_4947E2A4E2B3F356C87CCE98A6C69D9D" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_CFA4B7022DF3EF7B1681CE98A6C6DF9F" xlink:to="loc_cpn_PasadenaMember_4947E2A4E2B3F356C87CCE98A6C69D9D" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_BethpageMember" xlink:label="loc_cpn_BethpageMember_680D4CB1AC52C0302D95CE98A6C64F6B" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_CFA4B7022DF3EF7B1681CE98A6C6DF9F" xlink:to="loc_cpn_BethpageMember_680D4CB1AC52C0302D95CE98A6C64F6B" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GilroyNotePayableMember" xlink:label="loc_cpn_GilroyNotePayableMember_3E0D073DCAA8464F3FA4CE98A6C61C7F" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_CFA4B7022DF3EF7B1681CE98A6C6DF9F" xlink:to="loc_cpn_GilroyNotePayableMember_3E0D073DCAA8464F3FA4CE98A6C61C7F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherDebtSecuritiesMember" xlink:label="loc_us-gaap_OtherDebtSecuritiesMember_9827903C8D1F072516ADCE98A6C63CE9" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_CFA4B7022DF3EF7B1681CE98A6C6DF9F" xlink:to="loc_us-gaap_OtherDebtSecuritiesMember_9827903C8D1F072516ADCE98A6C63CE9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NotesPayableOtherPayablesMember" xlink:label="loc_us-gaap_NotesPayableOtherPayablesMember_01547BEFFD4B665D45F5CEC12CB218A8" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_CFA4B7022DF3EF7B1681CE98A6C6DF9F" xlink:to="loc_us-gaap_NotesPayableOtherPayablesMember_01547BEFFD4B665D45F5CEC12CB218A8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_C2C8D2D00B947F54CE66CE98A6C6D170" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953FAE2C396179C912FCE98A6C6819D" xlink:to="loc_us-gaap_LongTermDebt_C2C8D2D00B947F54CE66CE98A6C6D170" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_16C98587AF60AE81DD86CE98A6C672F9" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1953FAE2C396179C912FCE98A6C6819D" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_16C98587AF60AE81DD86CE98A6C672F9" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_FE4FFDBAD8F921F6E8BC75B01CEEAF46" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_1AEEFAF9DF33EAAECA4975B01CED16D9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FE4FFDBAD8F921F6E8BC75B01CEEAF46" xlink:to="loc_us-gaap_DebtInstrumentTable_1AEEFAF9DF33EAAECA4975B01CED16D9" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_F7C0DD5CCB088DC5476075B01CED4C58" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_1AEEFAF9DF33EAAECA4975B01CED16D9" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_F7C0DD5CCB088DC5476075B01CED4C58" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_BDC96AFC02933A73479E75B01CEDBFF6_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_F7C0DD5CCB088DC5476075B01CED4C58" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_BDC96AFC02933A73479E75B01CEDBFF6_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_BDC96AFC02933A73479E75B01CEDBFF6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_F7C0DD5CCB088DC5476075B01CED4C58" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_BDC96AFC02933A73479E75B01CEDBFF6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_C1846698C0DB3B50A70675B01CEDB28A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_BDC96AFC02933A73479E75B01CEDBFF6" xlink:to="loc_us-gaap_SubsequentEventMember_C1846698C0DB3B50A70675B01CEDB28A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_314C2B1E5B5671EFAD0B75B01CED7719" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_1AEEFAF9DF33EAAECA4975B01CED16D9" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_314C2B1E5B5671EFAD0B75B01CED7719" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_CD0EE192D6EB16DF00AE75B01CED3B14_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_314C2B1E5B5671EFAD0B75B01CED7719" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_CD0EE192D6EB16DF00AE75B01CED3B14_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_CD0EE192D6EB16DF00AE75B01CED3B14" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_314C2B1E5B5671EFAD0B75B01CED7719" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_CD0EE192D6EB16DF00AE75B01CED3B14" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_SeniorUnsecuredNotes2023Member" xlink:label="loc_cpn_SeniorUnsecuredNotes2023Member_5312A231BBB7F2A7E89C75B01CED26D9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_CD0EE192D6EB16DF00AE75B01CED3B14" xlink:to="loc_cpn_SeniorUnsecuredNotes2023Member_5312A231BBB7F2A7E89C75B01CED26D9" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_SeniorUnsecuredNotes2025Member" xlink:label="loc_cpn_SeniorUnsecuredNotes2025Member_E9F3455CC82C0B72325875B01CED53A3" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_CD0EE192D6EB16DF00AE75B01CED3B14" xlink:to="loc_cpn_SeniorUnsecuredNotes2025Member_E9F3455CC82C0B72325875B01CED53A3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_65F29F1D60C23DD8C3FE75B01CED0966" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_CD0EE192D6EB16DF00AE75B01CED3B14" xlink:to="loc_us-gaap_UnsecuredDebtMember_65F29F1D60C23DD8C3FE75B01CED0966" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_A20192020and2021FirstLienNotesMember" xlink:label="loc_cpn_A20192020and2021FirstLienNotesMember_26A1993D214B0EE81EED75B01CEDDFED" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_CD0EE192D6EB16DF00AE75B01CED3B14" xlink:to="loc_cpn_A20192020and2021FirstLienNotesMember_26A1993D214B0EE81EED75B01CEDDFED" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_SeniorUnsecuredNotes2024Member" xlink:label="loc_cpn_SeniorUnsecuredNotes2024Member_FB9252E7E77AA3422B1275B01CED2914" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_CD0EE192D6EB16DF00AE75B01CED3B14" xlink:to="loc_cpn_SeniorUnsecuredNotes2024Member_FB9252E7E77AA3422B1275B01CED2914" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_FirstLienNotes2023Member" xlink:label="loc_cpn_FirstLienNotes2023Member_902E2D6D0496AF1B9B1975B01CEE25FF" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_CD0EE192D6EB16DF00AE75B01CED3B14" xlink:to="loc_cpn_FirstLienNotes2023Member_902E2D6D0496AF1B9B1975B01CEE25FF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_B294F08C3AA0AAE9A95375B01CEE5B34" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_1AEEFAF9DF33EAAECA4975B01CED16D9" xlink:to="loc_us-gaap_DebtInstrumentAxis_B294F08C3AA0AAE9A95375B01CEE5B34" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_6151A59654C4D8D9BAD675B01CEE607B_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_B294F08C3AA0AAE9A95375B01CEE5B34" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_6151A59654C4D8D9BAD675B01CEE607B_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_6151A59654C4D8D9BAD675B01CEE607B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_B294F08C3AA0AAE9A95375B01CEE5B34" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_6151A59654C4D8D9BAD675B01CEE607B" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_EarlyRedemptionAmountMember" xlink:label="loc_cpn_EarlyRedemptionAmountMember_775C1D3D334D3FE6509775B01CEEC7C5" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6151A59654C4D8D9BAD675B01CEE607B" xlink:to="loc_cpn_EarlyRedemptionAmountMember_775C1D3D334D3FE6509775B01CEEC7C5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_7F54D4D221002E09FC5C75B01CEE22DE" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_1AEEFAF9DF33EAAECA4975B01CED16D9" xlink:to="loc_us-gaap_VariableRateAxis_7F54D4D221002E09FC5C75B01CEE22DE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_9AB0834C1D27602B71DC75B01CEED772_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_7F54D4D221002E09FC5C75B01CEE22DE" xlink:to="loc_us-gaap_VariableRateDomain_9AB0834C1D27602B71DC75B01CEED772_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_9AB0834C1D27602B71DC75B01CEED772" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_7F54D4D221002E09FC5C75B01CEE22DE" xlink:to="loc_us-gaap_VariableRateDomain_9AB0834C1D27602B71DC75B01CEED772" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodAxis" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_C6364FE200E4DCDAFA4875B01CEE3252" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_1AEEFAF9DF33EAAECA4975B01CED16D9" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_C6364FE200E4DCDAFA4875B01CEE3252" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_E860B5C75DFC6C7891CF75B01CEE6E87_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_C6364FE200E4DCDAFA4875B01CEE3252" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_E860B5C75DFC6C7891CF75B01CEE6E87_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_E860B5C75DFC6C7891CF75B01CEE6E87" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_C6364FE200E4DCDAFA4875B01CEE3252" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_E860B5C75DFC6C7891CF75B01CEE6E87" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_81E302F49A4A2C38ED6275B01CEE1182" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FE4FFDBAD8F921F6E8BC75B01CEEAF46" xlink:to="loc_us-gaap_LongTermDebt_81E302F49A4A2C38ED6275B01CEE1182" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_88BF5CA5B78ADEA7702C75B01CEE9514" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FE4FFDBAD8F921F6E8BC75B01CEEAF46" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_88BF5CA5B78ADEA7702C75B01CEE9514" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_4337741D4587CA6DCDC675B01CEE9EB3" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FE4FFDBAD8F921F6E8BC75B01CEEAF46" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_4337741D4587CA6DCDC675B01CEE9EB3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_418E82874D2812CF7DE075B01CEE92C0" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FE4FFDBAD8F921F6E8BC75B01CEEAF46" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_418E82874D2812CF7DE075B01CEE92C0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_406EF4F2E4E526A4254875B01CEE13A0" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FE4FFDBAD8F921F6E8BC75B01CEEAF46" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_406EF4F2E4E526A4254875B01CEE13A0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_DA6CC8459381DF8D76A575B01CEE7DAF" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FE4FFDBAD8F921F6E8BC75B01CEEAF46" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_DA6CC8459381DF8D76A575B01CEE7DAF" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_90A84BB5D831110BFE04184CAFB29EC6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_us-gaap_DebtInstrumentTable_90A84BB5D831110BFE04184CAFB29EC6" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_B503933B1A32D1139B8B184CAFB2AD62" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_90A84BB5D831110BFE04184CAFB29EC6" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_B503933B1A32D1139B8B184CAFB2AD62" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_80ECF1FF8987CADF16C8184CAFB2B3D6_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_B503933B1A32D1139B8B184CAFB2AD62" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_80ECF1FF8987CADF16C8184CAFB2B3D6_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_80ECF1FF8987CADF16C8184CAFB2B3D6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_B503933B1A32D1139B8B184CAFB2AD62" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_80ECF1FF8987CADF16C8184CAFB2B3D6" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CorporateRevolvingFacilityMember" xlink:label="loc_cpn_CorporateRevolvingFacilityMember_61AAA0D9D0D89291E935184CAFB24195" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_80ECF1FF8987CADF16C8184CAFB2B3D6" xlink:to="loc_cpn_CorporateRevolvingFacilityMember_61AAA0D9D0D89291E935184CAFB24195" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_InterestPeriodsAxis" xlink:label="loc_cpn_InterestPeriodsAxis_56CC17D1F930F875634C184CAFB2BF18" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_90A84BB5D831110BFE04184CAFB29EC6" xlink:to="loc_cpn_InterestPeriodsAxis_56CC17D1F930F875634C184CAFB2BF18" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_InterestPeriodsDomain" xlink:label="loc_cpn_InterestPeriodsDomain_1FA6142701378D327502184CAFB251A2_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_cpn_InterestPeriodsAxis_56CC17D1F930F875634C184CAFB2BF18" xlink:to="loc_cpn_InterestPeriodsDomain_1FA6142701378D327502184CAFB251A2_default" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_InterestPeriodsDomain" xlink:label="loc_cpn_InterestPeriodsDomain_1FA6142701378D327502184CAFB251A2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_cpn_InterestPeriodsAxis_56CC17D1F930F875634C184CAFB2BF18" xlink:to="loc_cpn_InterestPeriodsDomain_1FA6142701378D327502184CAFB251A2" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_OneMonthMember" xlink:label="loc_cpn_OneMonthMember_4C616FBBCCE14E039642184CAFB20D5F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_InterestPeriodsDomain_1FA6142701378D327502184CAFB251A2" xlink:to="loc_cpn_OneMonthMember_4C616FBBCCE14E039642184CAFB20D5F" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_TwoMonthsMember" xlink:label="loc_cpn_TwoMonthsMember_5319EF9C518ABEA160E8184CAFB2CBE1" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_InterestPeriodsDomain_1FA6142701378D327502184CAFB251A2" xlink:to="loc_cpn_TwoMonthsMember_5319EF9C518ABEA160E8184CAFB2CBE1" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_ThreeMonthsMember" xlink:label="loc_cpn_ThreeMonthsMember_B9868A9B2350C37C0908184CAFB2E2F2" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_InterestPeriodsDomain_1FA6142701378D327502184CAFB251A2" xlink:to="loc_cpn_ThreeMonthsMember_B9868A9B2350C37C0908184CAFB2E2F2" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_SixMonthsMember" xlink:label="loc_cpn_SixMonthsMember_2BE3AECAB0F71DBCD392184CAFB22F88" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_InterestPeriodsDomain_1FA6142701378D327502184CAFB251A2" xlink:to="loc_cpn_SixMonthsMember_2BE3AECAB0F71DBCD392184CAFB22F88" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_NineMonthsMember" xlink:label="loc_cpn_NineMonthsMember_EAAE9570335C8A73130A184CAFB2BCC8" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_InterestPeriodsDomain_1FA6142701378D327502184CAFB251A2" xlink:to="loc_cpn_NineMonthsMember_EAAE9570335C8A73130A184CAFB2BCC8" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_TwelveMonthsMember" xlink:label="loc_cpn_TwelveMonthsMember_ABA44E42B7EC37677C9C184CAFB2786D" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_InterestPeriodsDomain_1FA6142701378D327502184CAFB251A2" xlink:to="loc_cpn_TwelveMonthsMember_ABA44E42B7EC37677C9C184CAFB2786D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_188553C15A18D5256057184CAFB25F04" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_90A84BB5D831110BFE04184CAFB29EC6" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_188553C15A18D5256057184CAFB25F04" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_27712CDDC2D562362DE7184CAFB2B8AD_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_188553C15A18D5256057184CAFB25F04" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_27712CDDC2D562362DE7184CAFB2B8AD_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_27712CDDC2D562362DE7184CAFB2B8AD" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_188553C15A18D5256057184CAFB25F04" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_27712CDDC2D562362DE7184CAFB2B8AD" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_FirstLienTermLoansMember" xlink:label="loc_cpn_FirstLienTermLoansMember_798C55A31E32D3759D94184CAFB2103D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_27712CDDC2D562362DE7184CAFB2B8AD" xlink:to="loc_cpn_FirstLienTermLoansMember_798C55A31E32D3759D94184CAFB2103D" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_FirstLienNotes2019Member" xlink:label="loc_cpn_FirstLienNotes2019Member_212586DC01CAA65CDC36184CAFB28E8C" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_27712CDDC2D562362DE7184CAFB2B8AD" xlink:to="loc_cpn_FirstLienNotes2019Member_212586DC01CAA65CDC36184CAFB28E8C" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CorporateRevolvingFacilityMember" xlink:label="loc_cpn_CorporateRevolvingFacilityMember_8B66D1085589EBE0B770184CAFB2A5F0" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_27712CDDC2D562362DE7184CAFB2B8AD" xlink:to="loc_cpn_CorporateRevolvingFacilityMember_8B66D1085589EBE0B770184CAFB2A5F0" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CdhiMember" xlink:label="loc_cpn_CdhiMember_21BD3E7AAAAF62643426184CAFB2DC65" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_27712CDDC2D562362DE7184CAFB2B8AD" xlink:to="loc_cpn_CdhiMember_21BD3E7AAAAF62643426184CAFB2DC65" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_C5CAD72E2F08BDFE69F5184CAFB278CF" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_90A84BB5D831110BFE04184CAFB29EC6" xlink:to="loc_us-gaap_RangeAxis_C5CAD72E2F08BDFE69F5184CAFB278CF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_742D5B064839A844A01A184CAFB2D995_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_C5CAD72E2F08BDFE69F5184CAFB278CF" xlink:to="loc_us-gaap_RangeMember_742D5B064839A844A01A184CAFB2D995_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_742D5B064839A844A01A184CAFB2D995" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_C5CAD72E2F08BDFE69F5184CAFB278CF" xlink:to="loc_us-gaap_RangeMember_742D5B064839A844A01A184CAFB2D995" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_8046B92431CFCA753E1A184CAFB2677F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_742D5B064839A844A01A184CAFB2D995" xlink:to="loc_us-gaap_MinimumMember_8046B92431CFCA753E1A184CAFB2677F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_3B95B5615E98C7AFE8EB184CAFC1D632" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_742D5B064839A844A01A184CAFB2D995" xlink:to="loc_us-gaap_MaximumMember_3B95B5615E98C7AFE8EB184CAFC1D632" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet" xlink:label="loc_us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_44B7883E0E5121934601184CAFC1F26F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_44B7883E0E5121934601184CAFC1F26F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_F4BB4EDD62DB854553C9184CAFC15C9C" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_F4BB4EDD62DB854553C9184CAFC15C9C" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_TermloaninterestratespreadoptionFederalFundseffectiverate" xlink:label="loc_cpn_TermloaninterestratespreadoptionFederalFundseffectiverate_2CD8A19EA524C94206B2184CAFC10E2D" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_cpn_TermloaninterestratespreadoptionFederalFundseffectiverate_2CD8A19EA524C94206B2184CAFC10E2D" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_TermloaninterestratespreadoptionPrimeRate" xlink:label="loc_cpn_TermloaninterestratespreadoptionPrimeRate_877C775015464814E0F7184CAFC1BAB5" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_cpn_TermloaninterestratespreadoptionPrimeRate_877C775015464814E0F7184CAFC1BAB5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum_922513D98FF1104D0D09184CAFC16875" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum_922513D98FF1104D0D09184CAFC16875" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_698631241B5FC31ECC41184CAFC13D20" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_698631241B5FC31ECC41184CAFC13D20" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PercentageOfPrincipalAmountOfTermLoanToBePaidQuarterly" xlink:label="loc_cpn_PercentageOfPrincipalAmountOfTermLoanToBePaidQuarterly_E9F9E32A53A067920E60184CAFC1CCCD" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_cpn_PercentageOfPrincipalAmountOfTermLoanToBePaidQuarterly_E9F9E32A53A067920E60184CAFC1CCCD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_37090A5CD759E7DF1D6E184CAFC171A2" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_37090A5CD759E7DF1D6E184CAFC171A2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_7734426D9F1E06822B0A184CAFC1C2A8" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_7734426D9F1E06822B0A184CAFC1C2A8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_7F32B842F2A3C8515773184CAFC1FDA4" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_7F32B842F2A3C8515773184CAFC1FDA4" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_MaximumRemainingLeaseTerm" xlink:label="loc_cpn_MaximumRemainingLeaseTerm_031CFEB5F5D17CA92D06184CAFC1FA06" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_cpn_MaximumRemainingLeaseTerm_031CFEB5F5D17CA92D06184CAFC1FA06" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_LeaseAssetsHistoricalCost" xlink:label="loc_cpn_LeaseAssetsHistoricalCost_0B9210BD324F4A80F38A184CAFC1036B" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_cpn_LeaseAssetsHistoricalCost_0B9210BD324F4A80F38A184CAFC1036B" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_LeaseAssetsAccumulatedDepreciation" xlink:label="loc_cpn_LeaseAssetsAccumulatedDepreciation_F4613FBE9504A3D06CDD184CAFC172E6" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_cpn_LeaseAssetsAccumulatedDepreciation_F4613FBE9504A3D06CDD184CAFC172E6" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_ApplicableMarginRangePercentageAboveBaseRate" xlink:label="loc_cpn_ApplicableMarginRangePercentageAboveBaseRate_4077882C9186A1494490184CAFC11985" xlink:type="locator"/>
<definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_cpn_ApplicableMarginRangePercentageAboveBaseRate_4077882C9186A1494490184CAFC11985" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PercentageAddedToFederalFundsEffectiveRateToArriveAtBaseRate" xlink:label="loc_cpn_PercentageAddedToFederalFundsEffectiveRateToArriveAtBaseRate_15927553BDAA1ABC2B38184CAFC16BF6" xlink:type="locator"/>
<definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_cpn_PercentageAddedToFederalFundsEffectiveRateToArriveAtBaseRate_15927553BDAA1ABC2B38184CAFC16BF6" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_InterestPeriodsForLiborRateBorrowings" xlink:label="loc_cpn_InterestPeriodsForLiborRateBorrowings_D61E8FB4FA1928F9097C184CAFC1E3CF" xlink:type="locator"/>
<definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_cpn_InterestPeriodsForLiborRateBorrowings_D61E8FB4FA1928F9097C184CAFC1E3CF" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_ApplicableMarginRangePercentageAboveBritishBankersAssociationInterestSettlementRates" xlink:label="loc_cpn_ApplicableMarginRangePercentageAboveBritishBankersAssociationInterestSettlementRates_4FF2A4F71270FCA9B164184CAFC156C9" xlink:type="locator"/>
<definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_cpn_ApplicableMarginRangePercentageAboveBritishBankersAssociationInterestSettlementRates_4FF2A4F71270FCA9B164184CAFC156C9" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_RepaymentTimeForDrawingsUnderLettersOfCredit" xlink:label="loc_cpn_RepaymentTimeForDrawingsUnderLettersOfCredit_8256084EF60F509421A4184CAFC18FDF" xlink:type="locator"/>
<definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_cpn_RepaymentTimeForDrawingsUnderLettersOfCredit_8256084EF60F509421A4184CAFC18FDF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_DFCC14D86F6747DF7B1D184CAFC16196" xlink:type="locator"/>
<definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_DFCC14D86F6747DF7B1D184CAFC16196" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_ExcessAmountOfAssetSalesRequiringMandatoryPrepayments" xlink:label="loc_cpn_ExcessAmountOfAssetSalesRequiringMandatoryPrepayments_63E3B2B4DD798720DD17184CAFC188E6" xlink:type="locator"/>
<definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_cpn_ExcessAmountOfAssetSalesRequiringMandatoryPrepayments_63E3B2B4DD798720DD17184CAFC188E6" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_LetterOfCreditTotal" xlink:label="loc_cpn_LetterOfCreditTotal_77B58F6BD67B2C71F86D184CAFC14A7B" xlink:type="locator"/>
<definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BCDA3701E19847B27F42184CAFC1BBCC" xlink:to="loc_cpn_LetterOfCreditTotal_77B58F6BD67B2C71F86D184CAFC14A7B" 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">
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_7313BE88C650EE39DA23AEFF04B65B6A" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_F9B013D3E7A7B0A540C8AEFF04B650A2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_7313BE88C650EE39DA23AEFF04B65B6A" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_F9B013D3E7A7B0A540C8AEFF04B650A2" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_BDD3E4E34A0107BE88C2AEFF04B69128" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_F9B013D3E7A7B0A540C8AEFF04B650A2" xlink:to="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_BDD3E4E34A0107BE88C2AEFF04B69128" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_8F6C7E51E4EE1E0A61B6AEFF04B6B5EE_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_BDD3E4E34A0107BE88C2AEFF04B69128" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_8F6C7E51E4EE1E0A61B6AEFF04B6B5EE_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_8F6C7E51E4EE1E0A61B6AEFF04B6B5EE" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_BDD3E4E34A0107BE88C2AEFF04B69128" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_8F6C7E51E4EE1E0A61B6AEFF04B6B5EE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:label="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_3D97CB09F94FAFAD5ECAAEFF04B67548" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_F9B013D3E7A7B0A540C8AEFF04B650A2" xlink:to="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_3D97CB09F94FAFAD5ECAAEFF04B67548" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PlanAssetCategoriesDomain" xlink:label="loc_us-gaap_PlanAssetCategoriesDomain_AEE32E4CEE3C692FA307AEFF04B6D6D9_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_3D97CB09F94FAFAD5ECAAEFF04B67548" xlink:to="loc_us-gaap_PlanAssetCategoriesDomain_AEE32E4CEE3C692FA307AEFF04B6D6D9_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PlanAssetCategoriesDomain" xlink:label="loc_us-gaap_PlanAssetCategoriesDomain_AEE32E4CEE3C692FA307AEFF04B6D6D9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_3D97CB09F94FAFAD5ECAAEFF04B67548" xlink:to="loc_us-gaap_PlanAssetCategoriesDomain_AEE32E4CEE3C692FA307AEFF04B6D6D9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2993F1C7C937E6EB21AEAEFF04B6777D" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_F9B013D3E7A7B0A540C8AEFF04B650A2" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2993F1C7C937E6EB21AEAEFF04B6777D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_B9BFC2F013295C3CF521AEFF04B61B17_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2993F1C7C937E6EB21AEAEFF04B6777D" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_B9BFC2F013295C3CF521AEFF04B61B17_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_B9BFC2F013295C3CF521AEFF04B61B17" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2993F1C7C937E6EB21AEAEFF04B6777D" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_B9BFC2F013295C3CF521AEFF04B61B17" xlink:type="arc"/>
</definitionLink>
<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="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_A3DD817AC3F8963725DA5F78A8BC3B3E" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_FB0845336443F8A26A0A5F78A8BA604F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_A3DD817AC3F8963725DA5F78A8BC3B3E" xlink:to="loc_us-gaap_DerivativeTable_FB0845336443F8A26A0A5F78A8BA604F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis_F62240B93671EE02362E5F78A8BB3C0A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_FB0845336443F8A26A0A5F78A8BA604F" xlink:to="loc_us-gaap_FinancialInstrumentAxis_F62240B93671EE02362E5F78A8BB3C0A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_AEAF9D204D5761BA20A65F78A8BBAE4B_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_F62240B93671EE02362E5F78A8BB3C0A" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_AEAF9D204D5761BA20A65F78A8BBAE4B_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_AEAF9D204D5761BA20A65F78A8BBAE4B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_F62240B93671EE02362E5F78A8BB3C0A" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_AEAF9D204D5761BA20A65F78A8BBAE4B" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PowerDerivativeInstrumentsMember" xlink:label="loc_cpn_PowerDerivativeInstrumentsMember_6D5C0FCCC1CA45848B5B5F78A8BBE3EA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_AEAF9D204D5761BA20A65F78A8BBAE4B" xlink:to="loc_cpn_PowerDerivativeInstrumentsMember_6D5C0FCCC1CA45848B5B5F78A8BBE3EA" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_NaturalGasDerivativeInstrumentsMember" xlink:label="loc_cpn_NaturalGasDerivativeInstrumentsMember_5315C7AAF26CA6B058085F78A8BB78A5" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_AEAF9D204D5761BA20A65F78A8BBAE4B" xlink:to="loc_cpn_NaturalGasDerivativeInstrumentsMember_5315C7AAF26CA6B058085F78A8BB78A5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_268A0B64DE8CA304613F5F78A8BB4A2F" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_FB0845336443F8A26A0A5F78A8BA604F" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_268A0B64DE8CA304613F5F78A8BB4A2F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_7F5BE4E48D72A49266B25F78A8BB203B_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_268A0B64DE8CA304613F5F78A8BB4A2F" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_7F5BE4E48D72A49266B25F78A8BB203B_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_7F5BE4E48D72A49266B25F78A8BB203B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_268A0B64DE8CA304613F5F78A8BB4A2F" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_7F5BE4E48D72A49266B25F78A8BB203B" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CommodityExchangeTradedFuturesAndSwapsContractsMember" xlink:label="loc_cpn_CommodityExchangeTradedFuturesAndSwapsContractsMember_89AC17B4076E46A8CFEB5F78A8BBB4DA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7F5BE4E48D72A49266B25F78A8BB203B" xlink:to="loc_cpn_CommodityExchangeTradedFuturesAndSwapsContractsMember_89AC17B4076E46A8CFEB5F78A8BBB4DA" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CommodityForwardContractMember" xlink:label="loc_cpn_CommodityForwardContractMember_30A31160663DF810C64E5F78A8BBCE4A" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7F5BE4E48D72A49266B25F78A8BB203B" xlink:to="loc_cpn_CommodityForwardContractMember_30A31160663DF810C64E5F78A8BBCE4A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_B71C2AF151E0B1976D1F5F78A8BBD2A3" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7F5BE4E48D72A49266B25F78A8BB203B" xlink:to="loc_us-gaap_InterestRateSwapMember_B71C2AF151E0B1976D1F5F78A8BBD2A3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EnergyAxis" xlink:label="loc_us-gaap_EnergyAxis_E13172BDF531C6AB45115F78A8BBDD07" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_FB0845336443F8A26A0A5F78A8BA604F" xlink:to="loc_us-gaap_EnergyAxis_E13172BDF531C6AB45115F78A8BBDD07" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EnergyDomain" xlink:label="loc_us-gaap_EnergyDomain_DA62AEDD5442FCFEE5595F78A8BBDC1C_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_EnergyAxis_E13172BDF531C6AB45115F78A8BBDD07" xlink:to="loc_us-gaap_EnergyDomain_DA62AEDD5442FCFEE5595F78A8BBDC1C_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EnergyDomain" xlink:label="loc_us-gaap_EnergyDomain_DA62AEDD5442FCFEE5595F78A8BBDC1C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_EnergyAxis_E13172BDF531C6AB45115F78A8BBDD07" xlink:to="loc_us-gaap_EnergyDomain_DA62AEDD5442FCFEE5595F78A8BBDC1C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="loc_us-gaap_DerivativeByNatureAxis_9FAF6565CD4ED2EFB6A65F78A8BBC440" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_FB0845336443F8A26A0A5F78A8BA604F" xlink:to="loc_us-gaap_DerivativeByNatureAxis_9FAF6565CD4ED2EFB6A65F78A8BBC440" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="loc_us-gaap_DerivativeNameDomain_65B157322758A579AFA15F78A8BC2488_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeByNatureAxis_9FAF6565CD4ED2EFB6A65F78A8BBC440" xlink:to="loc_us-gaap_DerivativeNameDomain_65B157322758A579AFA15F78A8BC2488_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="loc_us-gaap_DerivativeNameDomain_65B157322758A579AFA15F78A8BC2488" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeByNatureAxis_9FAF6565CD4ED2EFB6A65F78A8BBC440" xlink:to="loc_us-gaap_DerivativeNameDomain_65B157322758A579AFA15F78A8BC2488" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PositionAxis" xlink:label="loc_us-gaap_PositionAxis_D3E6D813056CE86711145F78A8BC949E" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_FB0845336443F8A26A0A5F78A8BA604F" xlink:to="loc_us-gaap_PositionAxis_D3E6D813056CE86711145F78A8BC949E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PositionDomain" xlink:label="loc_us-gaap_PositionDomain_E480AE0827D42C0390985F78A8BC1358_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PositionAxis_D3E6D813056CE86711145F78A8BC949E" xlink:to="loc_us-gaap_PositionDomain_E480AE0827D42C0390985F78A8BC1358_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PositionDomain" xlink:label="loc_us-gaap_PositionDomain_E480AE0827D42C0390985F78A8BC1358" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PositionAxis_D3E6D813056CE86711145F78A8BC949E" xlink:to="loc_us-gaap_PositionDomain_E480AE0827D42C0390985F78A8BC1358" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_158F63CF4EE406248E535F78A8BC1D00" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_A3DD817AC3F8963725DA5F78A8BC3B3E" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_158F63CF4EE406248E535F78A8BC1D00" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeAssetNotOffsetPolicyElectionDeduction" xlink:label="loc_us-gaap_DerivativeAssetNotOffsetPolicyElectionDeduction_5F131A8A891B5DFB54475F78A8BCED09" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_A3DD817AC3F8963725DA5F78A8BC3B3E" xlink:to="loc_us-gaap_DerivativeAssetNotOffsetPolicyElectionDeduction_5F131A8A891B5DFB54475F78A8BCED09" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeCollateralObligationToReturnCash" xlink:label="loc_us-gaap_DerivativeCollateralObligationToReturnCash_A7C77AD4232ADC00BE955F78A8BC412B" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_A3DD817AC3F8963725DA5F78A8BC3B3E" xlink:to="loc_us-gaap_DerivativeCollateralObligationToReturnCash_A7C77AD4232ADC00BE955F78A8BC412B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral_D4653E0971B5146D39B55F78A8BCA347" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_A3DD817AC3F8963725DA5F78A8BC3B3E" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral_D4653E0971B5146D39B55F78A8BCA347" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_AA2193CEABD870B100C65F78A8BC72D5" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_A3DD817AC3F8963725DA5F78A8BC3B3E" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_AA2193CEABD870B100C65F78A8BC72D5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeLiabilityNotOffsetPolicyElectionDeduction" xlink:label="loc_us-gaap_DerivativeLiabilityNotOffsetPolicyElectionDeduction_77B20287CE163A9674265F78A8BC7077" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_A3DD817AC3F8963725DA5F78A8BC3B3E" xlink:to="loc_us-gaap_DerivativeLiabilityNotOffsetPolicyElectionDeduction_77B20287CE163A9674265F78A8BC7077" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeCollateralRightToReclaimCash" xlink:label="loc_us-gaap_DerivativeCollateralRightToReclaimCash_A2D07CAFEAEC91C094085F78A8BC02EA" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_A3DD817AC3F8963725DA5F78A8BC3B3E" xlink:to="loc_us-gaap_DerivativeCollateralRightToReclaimCash_A2D07CAFEAEC91C094085F78A8BC02EA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral_D368DAF5082DA7662D105F78A8BC5478" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_A3DD817AC3F8963725DA5F78A8BC3B3E" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral_D368DAF5082DA7662D105F78A8BC5478" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeNet" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_612DAF9E71476F2336CB5F78A8BC5DD2" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_A3DD817AC3F8963725DA5F78A8BC3B3E" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeNet_612DAF9E71476F2336CB5F78A8BC5DD2" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_DerivativeFairValueAmountNotOffsetAgainstCollateralNet" xlink:label="loc_cpn_DerivativeFairValueAmountNotOffsetAgainstCollateralNet_D542356758B0D5A96A015F78A8BCF158" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_A3DD817AC3F8963725DA5F78A8BC3B3E" xlink:to="loc_cpn_DerivativeFairValueAmountNotOffsetAgainstCollateralNet_D542356758B0D5A96A015F78A8BCF158" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_DerivativeCollateralRightToReclaimCashNet" xlink:label="loc_cpn_DerivativeCollateralRightToReclaimCashNet_BF9CFBF94F8B7FF87E445F78A8BD1D4C" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_A3DD817AC3F8963725DA5F78A8BC3B3E" xlink:to="loc_cpn_DerivativeCollateralRightToReclaimCashNet_BF9CFBF94F8B7FF87E445F78A8BD1D4C" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_DerivativeAssetFairValueAmountOffsetAgainstCollateralNetOfDerivativeLiabilityFairValueAmountOffsetAgainstCollateral" xlink:label="loc_cpn_DerivativeAssetFairValueAmountOffsetAgainstCollateralNetOfDerivativeLiabilityFairValueAmountOffsetAgainstCollateral_A4D57164B988B31D17885F78A8BD2140" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_A3DD817AC3F8963725DA5F78A8BC3B3E" xlink:to="loc_cpn_DerivativeAssetFairValueAmountOffsetAgainstCollateralNetOfDerivativeLiabilityFairValueAmountOffsetAgainstCollateral_A4D57164B988B31D17885F78A8BD2140" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_B9A811781DCD9F9E16FE4B35BE481E2E" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_698B8202BBC840BE95DA4B35BE42F426" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_B9A811781DCD9F9E16FE4B35BE481E2E" xlink:to="loc_us-gaap_DerivativeTable_698B8202BBC840BE95DA4B35BE42F426" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_13CDB3B5A59763962C5C4B35BE42FD5D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_698B8202BBC840BE95DA4B35BE42F426" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_13CDB3B5A59763962C5C4B35BE42FD5D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_10EAC070026A0B693F554B35BE470C76_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_13CDB3B5A59763962C5C4B35BE42FD5D" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_10EAC070026A0B693F554B35BE470C76_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_10EAC070026A0B693F554B35BE470C76" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_13CDB3B5A59763962C5C4B35BE42FD5D" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_10EAC070026A0B693F554B35BE470C76" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PowerMember" xlink:label="loc_cpn_PowerMember_86A038CF6EAA22A815DC4B35BE477978" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_10EAC070026A0B693F554B35BE470C76" xlink:to="loc_cpn_PowerMember_86A038CF6EAA22A815DC4B35BE477978" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NaturalGasReservesMember" xlink:label="loc_us-gaap_NaturalGasReservesMember_30FC0F727971C0F8283D4B35BE47F835" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_10EAC070026A0B693F554B35BE470C76" xlink:to="loc_us-gaap_NaturalGasReservesMember_30FC0F727971C0F8283D4B35BE47F835" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_57F1F92C2AAF7F6B94094B35BE47C50E" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_10EAC070026A0B693F554B35BE470C76" xlink:to="loc_us-gaap_InterestRateSwapMember_57F1F92C2AAF7F6B94094B35BE47C50E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EnergyAxis" xlink:label="loc_us-gaap_EnergyAxis_930D3E08E86700B017BB4B35BE4762CF" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_698B8202BBC840BE95DA4B35BE42F426" xlink:to="loc_us-gaap_EnergyAxis_930D3E08E86700B017BB4B35BE4762CF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EnergyDomain" xlink:label="loc_us-gaap_EnergyDomain_A4BF4F138C2BD5EE46F74B35BE471BEB_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_EnergyAxis_930D3E08E86700B017BB4B35BE4762CF" xlink:to="loc_us-gaap_EnergyDomain_A4BF4F138C2BD5EE46F74B35BE471BEB_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EnergyDomain" xlink:label="loc_us-gaap_EnergyDomain_A4BF4F138C2BD5EE46F74B35BE471BEB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_EnergyAxis_930D3E08E86700B017BB4B35BE4762CF" xlink:to="loc_us-gaap_EnergyDomain_A4BF4F138C2BD5EE46F74B35BE471BEB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_B18C8DE5C06E91C15A4D4B35BE48939C" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_698B8202BBC840BE95DA4B35BE42F426" xlink:to="loc_us-gaap_VariableRateAxis_B18C8DE5C06E91C15A4D4B35BE48939C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_DA89D6FDFC1DA3C57BC94B35BE48381D_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_B18C8DE5C06E91C15A4D4B35BE48939C" xlink:to="loc_us-gaap_VariableRateDomain_DA89D6FDFC1DA3C57BC94B35BE48381D_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_DA89D6FDFC1DA3C57BC94B35BE48381D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_B18C8DE5C06E91C15A4D4B35BE48939C" xlink:to="loc_us-gaap_VariableRateDomain_DA89D6FDFC1DA3C57BC94B35BE48381D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="loc_us-gaap_DerivativeByNatureAxis_E7FB0BB0D58D0408DE524B35BE489489" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_698B8202BBC840BE95DA4B35BE42F426" xlink:to="loc_us-gaap_DerivativeByNatureAxis_E7FB0BB0D58D0408DE524B35BE489489" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="loc_us-gaap_DerivativeNameDomain_2ADF2CB0FF2F81547FEF4B35BE482177_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeByNatureAxis_E7FB0BB0D58D0408DE524B35BE489489" xlink:to="loc_us-gaap_DerivativeNameDomain_2ADF2CB0FF2F81547FEF4B35BE482177_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="loc_us-gaap_DerivativeNameDomain_2ADF2CB0FF2F81547FEF4B35BE482177" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeByNatureAxis_E7FB0BB0D58D0408DE524B35BE489489" xlink:to="loc_us-gaap_DerivativeNameDomain_2ADF2CB0FF2F81547FEF4B35BE482177" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PositionAxis" xlink:label="loc_us-gaap_PositionAxis_5B175B6BCC9F5B6463264B35BE4830CD" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_698B8202BBC840BE95DA4B35BE42F426" xlink:to="loc_us-gaap_PositionAxis_5B175B6BCC9F5B6463264B35BE4830CD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PositionDomain" xlink:label="loc_us-gaap_PositionDomain_CAE001E2864FF53EFB894B35BE484C78_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PositionAxis_5B175B6BCC9F5B6463264B35BE4830CD" xlink:to="loc_us-gaap_PositionDomain_CAE001E2864FF53EFB894B35BE484C78_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PositionDomain" xlink:label="loc_us-gaap_PositionDomain_CAE001E2864FF53EFB894B35BE484C78" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PositionAxis_5B175B6BCC9F5B6463264B35BE4830CD" xlink:to="loc_us-gaap_PositionDomain_CAE001E2864FF53EFB894B35BE484C78" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure" xlink:label="loc_us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure_F8E0306197A153FBED344B35BE4817FE" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_B9A811781DCD9F9E16FE4B35BE481E2E" xlink:to="loc_us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure_F8E0306197A153FBED344B35BE4817FE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_1E6B94B01B7B78CFF62C4B35BE48D574" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_B9A811781DCD9F9E16FE4B35BE481E2E" xlink:to="loc_invest_DerivativeNotionalAmount_1E6B94B01B7B78CFF62C4B35BE48D574" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_4F819AA2C8EC97671D4B5F8ECA463BEF" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_C4598E27801A0936B1D55F8ECA45C7C8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_4F819AA2C8EC97671D4B5F8ECA463BEF" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_C4598E27801A0936B1D55F8ECA45C7C8" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_DDCA56D49B84C77C90115F8ECA452242" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_C4598E27801A0936B1D55F8ECA45C7C8" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_DDCA56D49B84C77C90115F8ECA452242" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_F3B028EA31CD37D1D0365F8ECA46C158_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_DDCA56D49B84C77C90115F8ECA452242" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_F3B028EA31CD37D1D0365F8ECA46C158_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_F3B028EA31CD37D1D0365F8ECA46C158" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_DDCA56D49B84C77C90115F8ECA452242" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_F3B028EA31CD37D1D0365F8ECA46C158" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EnergyRelatedDerivativeMember" xlink:label="loc_us-gaap_EnergyRelatedDerivativeMember_9CAED3DDDF4C83392C9C5F8ECA4634EB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_F3B028EA31CD37D1D0365F8ECA46C158" xlink:to="loc_us-gaap_EnergyRelatedDerivativeMember_9CAED3DDDF4C83392C9C5F8ECA4634EB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_817DBD09D4D3278233155F8ECA4614AA" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_F3B028EA31CD37D1D0365F8ECA46C158" xlink:to="loc_us-gaap_InterestRateSwapMember_817DBD09D4D3278233155F8ECA4614AA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_B1CA06079C23323EF0EA5F8ECA468A15" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_C4598E27801A0936B1D55F8ECA45C7C8" xlink:to="loc_us-gaap_HedgingDesignationAxis_B1CA06079C23323EF0EA5F8ECA468A15" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_FCA3F021D4F48DF5D4295F8ECA462798_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_B1CA06079C23323EF0EA5F8ECA468A15" xlink:to="loc_us-gaap_HedgingDesignationDomain_FCA3F021D4F48DF5D4295F8ECA462798_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_FCA3F021D4F48DF5D4295F8ECA462798" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_B1CA06079C23323EF0EA5F8ECA468A15" xlink:to="loc_us-gaap_HedgingDesignationDomain_FCA3F021D4F48DF5D4295F8ECA462798" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_8F5BE51562A04A0709975F8ECA46F6D3" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_FCA3F021D4F48DF5D4295F8ECA462798" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_8F5BE51562A04A0709975F8ECA46F6D3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_38A6E6AE06B1F9E499405F8ECA468613" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_FCA3F021D4F48DF5D4295F8ECA462798" xlink:to="loc_us-gaap_NondesignatedMember_38A6E6AE06B1F9E499405F8ECA468613" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeAssetsCurrent" xlink:label="loc_us-gaap_DerivativeAssetsCurrent_A1F6D1F35B484210CC015F8ECA464DF1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_4F819AA2C8EC97671D4B5F8ECA463BEF" xlink:to="loc_us-gaap_DerivativeAssetsCurrent_A1F6D1F35B484210CC015F8ECA464DF1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedges" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedges_EBC41993B387316BB2A45F8ECA46C9EF" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_4F819AA2C8EC97671D4B5F8ECA463BEF" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedges_EBC41993B387316BB2A45F8ECA46C9EF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeAssetsNoncurrent" xlink:label="loc_us-gaap_DerivativeAssetsNoncurrent_80112610173EF44AD3705F8ECA46043B" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_4F819AA2C8EC97671D4B5F8ECA463BEF" xlink:to="loc_us-gaap_DerivativeAssetsNoncurrent_80112610173EF44AD3705F8ECA46043B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesNoncurrent" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgesNoncurrent_D5300EEED04F81392C945F8ECA4691E4" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_4F819AA2C8EC97671D4B5F8ECA463BEF" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgesNoncurrent_D5300EEED04F81392C945F8ECA4691E4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_84F6CF866EE2F9678E4E5F8ECA466353" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_4F819AA2C8EC97671D4B5F8ECA463BEF" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_84F6CF866EE2F9678E4E5F8ECA466353" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeLiabilitiesCurrent" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_3BB9AAA42D4A4A2F1CE65F8ECA462F85" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_4F819AA2C8EC97671D4B5F8ECA463BEF" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_3BB9AAA42D4A4A2F1CE65F8ECA462F85" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesLiabilities" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilities_ABB535D5729AAA020D115F8ECA477BA6" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_4F819AA2C8EC97671D4B5F8ECA463BEF" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilities_ABB535D5729AAA020D115F8ECA477BA6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_5B6174842D4AEE5DB6045F8ECA474B53" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_4F819AA2C8EC97671D4B5F8ECA463BEF" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_5B6174842D4AEE5DB6045F8ECA474B53" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent_81B8CFB3287B325A54D15F8ECA478E37" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_4F819AA2C8EC97671D4B5F8ECA463BEF" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent_81B8CFB3287B325A54D15F8ECA478E37" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_741D744BE44B714088C05F8ECA47E8F2" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_4F819AA2C8EC97671D4B5F8ECA463BEF" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_741D744BE44B714088C05F8ECA47E8F2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeNet" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_4B628AC6A5192DE4F44C5F8ECA478419" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_4F819AA2C8EC97671D4B5F8ECA463BEF" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeNet_4B628AC6A5192DE4F44C5F8ECA478419" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_4CE2FAA63FF6728A9ABA5B2F65FC755C" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_CFEE4D1AF2BE69106B295B2F65FB52BB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_4CE2FAA63FF6728A9ABA5B2F65FC755C" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_CFEE4D1AF2BE69106B295B2F65FB52BB" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_2D7A4CE211737DA5A1355B2F65FC38CB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_CFEE4D1AF2BE69106B295B2F65FB52BB" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_2D7A4CE211737DA5A1355B2F65FC38CB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_56D54057760C018B66FE5B2F65FCCF97_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_2D7A4CE211737DA5A1355B2F65FC38CB" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_56D54057760C018B66FE5B2F65FCCF97_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_56D54057760C018B66FE5B2F65FCCF97" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_2D7A4CE211737DA5A1355B2F65FC38CB" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_56D54057760C018B66FE5B2F65FCCF97" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EnergyRelatedDerivativeMember" xlink:label="loc_us-gaap_EnergyRelatedDerivativeMember_2DFC4609711C1B55445F5B2F65FC324A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_56D54057760C018B66FE5B2F65FCCF97" xlink:to="loc_us-gaap_EnergyRelatedDerivativeMember_2DFC4609711C1B55445F5B2F65FC324A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_B313C4229B0EBAFE861C5B2F65FCDCE4" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_56D54057760C018B66FE5B2F65FCCF97" xlink:to="loc_us-gaap_InterestRateSwapMember_B313C4229B0EBAFE861C5B2F65FCDCE4" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PowerMember" xlink:label="loc_cpn_PowerMember_B254729E90233B7642385B2F65FC245A" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_56D54057760C018B66FE5B2F65FCCF97" xlink:to="loc_cpn_PowerMember_B254729E90233B7642385B2F65FC245A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NaturalGasReservesMember" xlink:label="loc_us-gaap_NaturalGasReservesMember_3D290C345663BD5AB0695B2F65FCD4B1" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_56D54057760C018B66FE5B2F65FCCF97" xlink:to="loc_us-gaap_NaturalGasReservesMember_3D290C345663BD5AB0695B2F65FCD4B1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainLossOnSaleOfDerivatives" xlink:label="loc_us-gaap_GainLossOnSaleOfDerivatives_0C735D1D32F65C10A36A5B2F65FCF4B8" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_4CE2FAA63FF6728A9ABA5B2F65FC755C" xlink:to="loc_us-gaap_GainLossOnSaleOfDerivatives_0C735D1D32F65C10A36A5B2F65FCF4B8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivatives" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_DB770C85724297D0FB805B2F65FCA8C2" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_4CE2FAA63FF6728A9ABA5B2F65FC755C" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_DB770C85724297D0FB805B2F65FCA8C2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_39934E101265636151A05B2F65FCFB2D" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_4CE2FAA63FF6728A9ABA5B2F65FC755C" xlink:to="loc_us-gaap_Revenues_39934E101265636151A05B2F65FCFB2D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="loc_us-gaap_CostOfRevenue_A5DE3027BFC5AAE4CEB35B2F65FCC9ED" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_4CE2FAA63FF6728A9ABA5B2F65FC755C" xlink:to="loc_us-gaap_CostOfRevenue_A5DE3027BFC5AAE4CEB35B2F65FCC9ED" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_A44B15A9B076812C98205B2F65FC8403" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_4CE2FAA63FF6728A9ABA5B2F65FC755C" xlink:to="loc_us-gaap_InterestExpense_A44B15A9B076812C98205B2F65FC8403" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments" xlink:label="loc_us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments_819529AFD6DCDBAF6AC55B2F65FCA462" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_4CE2FAA63FF6728A9ABA5B2F65FC755C" xlink:to="loc_us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments_819529AFD6DCDBAF6AC55B2F65FCA462" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:label="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_EA8738BEA2DFE95958C85B2F65FCDFE4" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_4CE2FAA63FF6728A9ABA5B2F65FC755C" xlink:to="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_EA8738BEA2DFE95958C85B2F65FCDFE4" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_576997A946BBBA59F745184D54BEDB49" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_EA33A05BEC6942230819184D54BE252A" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_576997A946BBBA59F745184D54BEDB49" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_EA33A05BEC6942230819184D54BE252A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_15C8FB1354016EEB0FC7184D54BEB288" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_EA33A05BEC6942230819184D54BE252A" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_15C8FB1354016EEB0FC7184D54BEB288" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_1A1024096D074CCEE07A184D54BEC2AC_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_15C8FB1354016EEB0FC7184D54BEB288" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_1A1024096D074CCEE07A184D54BEC2AC_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_1A1024096D074CCEE07A184D54BEC2AC" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_15C8FB1354016EEB0FC7184D54BEB288" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_1A1024096D074CCEE07A184D54BEC2AC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestExpenseMember" xlink:label="loc_us-gaap_InterestExpenseMember_9BDD3F02C7D77F068C28184D54BE5CE0" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_1A1024096D074CCEE07A184D54BEC2AC" xlink:to="loc_us-gaap_InterestExpenseMember_9BDD3F02C7D77F068C28184D54BE5CE0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis_210DAF46627A3D605A25184D54BED48E" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_EA33A05BEC6942230819184D54BE252A" xlink:to="loc_us-gaap_FinancialInstrumentAxis_210DAF46627A3D605A25184D54BED48E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_FAF236303D3F77F54390184D54BE7000_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_210DAF46627A3D605A25184D54BED48E" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_FAF236303D3F77F54390184D54BE7000_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_FAF236303D3F77F54390184D54BE7000" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_210DAF46627A3D605A25184D54BED48E" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_FAF236303D3F77F54390184D54BE7000" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PowerDerivativeInstrumentsMember" xlink:label="loc_cpn_PowerDerivativeInstrumentsMember_D11275310E828E1062E6184D54BE4EA9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_FAF236303D3F77F54390184D54BE7000" xlink:to="loc_cpn_PowerDerivativeInstrumentsMember_D11275310E828E1062E6184D54BE4EA9" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_NaturalGasDerivativeInstrumentsMember" xlink:label="loc_cpn_NaturalGasDerivativeInstrumentsMember_69C119470A011BC5FEA1184D54BE4D42" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_FAF236303D3F77F54390184D54BE7000" xlink:to="loc_cpn_NaturalGasDerivativeInstrumentsMember_69C119470A011BC5FEA1184D54BE4D42" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_A023CDB8EC9967127273184D54BE5C53" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_EA33A05BEC6942230819184D54BE252A" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_A023CDB8EC9967127273184D54BE5C53" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_6FB25C23B3CE08E6F16E184D54BE02B6_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_A023CDB8EC9967127273184D54BE5C53" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_6FB25C23B3CE08E6F16E184D54BE02B6_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_6FB25C23B3CE08E6F16E184D54BE02B6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_A023CDB8EC9967127273184D54BE5C53" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_6FB25C23B3CE08E6F16E184D54BE02B6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EnergyRelatedDerivativeMember" xlink:label="loc_us-gaap_EnergyRelatedDerivativeMember_8EE0860D151390072B1F184D54BE8225" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_6FB25C23B3CE08E6F16E184D54BE02B6" xlink:to="loc_us-gaap_EnergyRelatedDerivativeMember_8EE0860D151390072B1F184D54BE8225" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_024E24884D8D8D9905B7184D54BEE532" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_6FB25C23B3CE08E6F16E184D54BE02B6" xlink:to="loc_us-gaap_InterestRateSwapMember_024E24884D8D8D9905B7184D54BEE532" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_F869D53DD4447197BB6B184D54BE3990" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_576997A946BBBA59F745184D54BEDB49" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_F869D53DD4447197BB6B184D54BE3990" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_74B8DA1A85C635C75E94184D54BEEF9B" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_576997A946BBBA59F745184D54BEDB49" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_74B8DA1A85C635C75E94184D54BEEF9B" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_9AE69DBB465347D92F6E5B2F65F48E76" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_EC2FB9E6033E8AF8DF0C5B2F65F36A63" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9AE69DBB465347D92F6E5B2F65F48E76" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_EC2FB9E6033E8AF8DF0C5B2F65F36A63" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_90059384A2C229B8BCB65B2F65F3A3BE" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_EC2FB9E6033E8AF8DF0C5B2F65F36A63" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_90059384A2C229B8BCB65B2F65F3A3BE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_4FA035D0430196B6789F5B2F65F34F08_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_90059384A2C229B8BCB65B2F65F3A3BE" xlink:to="loc_us-gaap_EquityComponentDomain_4FA035D0430196B6789F5B2F65F34F08_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_4FA035D0430196B6789F5B2F65F34F08" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_90059384A2C229B8BCB65B2F65F3A3BE" xlink:to="loc_us-gaap_EquityComponentDomain_4FA035D0430196B6789F5B2F65F34F08" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ParentMember" xlink:label="loc_us-gaap_ParentMember_62D8B54D2EC7FBCE43EC5B2F65F36EA5" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_4FA035D0430196B6789F5B2F65F34F08" xlink:to="loc_us-gaap_ParentMember_62D8B54D2EC7FBCE43EC5B2F65F36EA5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_F5CC99F8111E9F139F765B2F65F324F7" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_4FA035D0430196B6789F5B2F65F34F08" xlink:to="loc_us-gaap_NoncontrollingInterestMember_F5CC99F8111E9F139F765B2F65F324F7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_9C930D1E890BC408A6F05B2F65F3F496" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_EC2FB9E6033E8AF8DF0C5B2F65F36A63" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_9C930D1E890BC408A6F05B2F65F3F496" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_A11AF89735D6280032EF5B2F65F3E5D1_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_9C930D1E890BC408A6F05B2F65F3F496" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_A11AF89735D6280032EF5B2F65F3E5D1_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_A11AF89735D6280032EF5B2F65F3E5D1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_9C930D1E890BC408A6F05B2F65F3F496" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_A11AF89735D6280032EF5B2F65F3E5D1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_99D226E4659C6953577C5B2F65F4E179" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_A11AF89735D6280032EF5B2F65F3E5D1" xlink:to="loc_us-gaap_InterestRateSwapMember_99D226E4659C6953577C5B2F65F4E179" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_51DDA40E8E96BDD564165B2F65F473EC" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_EC2FB9E6033E8AF8DF0C5B2F65F36A63" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_51DDA40E8E96BDD564165B2F65F473EC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_5FB9DFD12D996A0844A25B2F65F4982B_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_51DDA40E8E96BDD564165B2F65F473EC" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_5FB9DFD12D996A0844A25B2F65F4982B_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_5FB9DFD12D996A0844A25B2F65F4982B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_51DDA40E8E96BDD564165B2F65F473EC" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_5FB9DFD12D996A0844A25B2F65F4982B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_9D76FDE1456231F441625B2F65F4FA04" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_5FB9DFD12D996A0844A25B2F65F4982B" xlink:to="loc_us-gaap_InterestRateSwapMember_9D76FDE1456231F441625B2F65F4FA04" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge1" xlink:label="loc_us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge1_05F548E694C76C03A5315B2F65F48CD6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9AE69DBB465347D92F6E5B2F65F48E76" xlink:to="loc_us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge1_05F548E694C76C03A5315B2F65F48CD6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeNetLiabilityPositionAggregateFairValue" xlink:label="loc_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue_220E98FF264E17F087865B2F65F443CC" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9AE69DBB465347D92F6E5B2F65F48E76" xlink:to="loc_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue_220E98FF264E17F087865B2F65F443CC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CollateralAlreadyPostedAggregateFairValue" xlink:label="loc_us-gaap_CollateralAlreadyPostedAggregateFairValue_8A12BCCD86376D5F259F5B2F65F413E0" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9AE69DBB465347D92F6E5B2F65F48E76" xlink:to="loc_us-gaap_CollateralAlreadyPostedAggregateFairValue_8A12BCCD86376D5F259F5B2F65F413E0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdditionalCollateralAggregateFairValue" xlink:label="loc_us-gaap_AdditionalCollateralAggregateFairValue_DFE87335F5C00A842EA45B2F65F4F9D7" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9AE69DBB465347D92F6E5B2F65F48E76" xlink:to="loc_us-gaap_AdditionalCollateralAggregateFairValue_DFE87335F5C00A842EA45B2F65F4F9D7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_1BB34EFFB959ABE882555B2F65F464A5" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9AE69DBB465347D92F6E5B2F65F48E76" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_1BB34EFFB959ABE882555B2F65F464A5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet_934E8901C1364DF1A95B5B2F65F44733" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9AE69DBB465347D92F6E5B2F65F48E76" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet_934E8901C1364DF1A95B5B2F65F44733" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax_37CED218494B70C899D15B2F65F427DF" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9AE69DBB465347D92F6E5B2F65F48E76" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax_37CED218494B70C899D15B2F65F427DF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainLossOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet" xlink:label="loc_us-gaap_GainLossOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet_EA7F4C7CB9CF505E47F65B2F65F4602A" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9AE69DBB465347D92F6E5B2F65F48E76" xlink:to="loc_us-gaap_GainLossOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet_EA7F4C7CB9CF505E47F65B2F65F4602A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths" xlink:label="loc_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths_B0DBAB2EDAB693EEEE6C5B2F65F46532" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9AE69DBB465347D92F6E5B2F65F48E76" xlink:to="loc_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths_B0DBAB2EDAB693EEEE6C5B2F65F46532" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments" xlink:label="loc_us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments_6436C6C5E1AAEF46ECB95B2F65F4CB94" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9AE69DBB465347D92F6E5B2F65F48E76" xlink:to="loc_us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments_6436C6C5E1AAEF46ECB95B2F65F4CB94" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsUnrealized" xlink:label="loc_cpn_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsUnrealized_B6D7984D3EC50679264B5B2F65F52EF5" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9AE69DBB465347D92F6E5B2F65F48E76" xlink:to="loc_cpn_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsUnrealized_B6D7984D3EC50679264B5B2F65F52EF5" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRealized" xlink:label="loc_cpn_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRealized_EBC9B6F1071BDF1C02B95B2F65F5F79B" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_9AE69DBB465347D92F6E5B2F65F48E76" xlink:to="loc_cpn_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsRealized_EBC9B6F1071BDF1C02B95B2F65F5F79B" 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_D74A7294D6C57E88B2F69A71A20DE941" xlink:type="locator"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntitiesTable" xlink:label="loc_dei_EntitiesTable_BC02B8775320DEB407C39A71A20D34AA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_EntityInformationLineItems_D74A7294D6C57E88B2F69A71A20DE941" xlink:to="loc_dei_EntitiesTable_BC02B8775320DEB407C39A71A20D34AA" 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_B088F8914B4B3FDE7D989A71A20D5CD3" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_EntitiesTable_BC02B8775320DEB407C39A71A20D34AA" xlink:to="loc_dei_LegalEntityAxis_B088F8914B4B3FDE7D989A71A20D5CD3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_0E4CA7D3E0388B9D903E9A71A20DA3DB_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_B088F8914B4B3FDE7D989A71A20D5CD3" xlink:to="loc_dei_EntityDomain_0E4CA7D3E0388B9D903E9A71A20DA3DB_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_0E4CA7D3E0388B9D903E9A71A20DA3DB" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_B088F8914B4B3FDE7D989A71A20D5CD3" xlink:to="loc_dei_EntityDomain_0E4CA7D3E0388B9D903E9A71A20DA3DB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_67B6160D7BE1106A26709A71A20D5B70" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_D74A7294D6C57E88B2F69A71A20DE941" xlink:to="loc_dei_EntityRegistrantName_67B6160D7BE1106A26709A71A20D5B70" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_8E091259A657CCC318599A71A20D9BAD" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_D74A7294D6C57E88B2F69A71A20DE941" xlink:to="loc_dei_EntityCentralIndexKey_8E091259A657CCC318599A71A20D9BAD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_95861F8AEC49E34D89159A71A20D260C" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_D74A7294D6C57E88B2F69A71A20DE941" xlink:to="loc_dei_CurrentFiscalYearEndDate_95861F8AEC49E34D89159A71A20D260C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_507CF5219E3D12D626649A71A20DA07E" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_D74A7294D6C57E88B2F69A71A20DE941" xlink:to="loc_dei_EntityFilerCategory_507CF5219E3D12D626649A71A20DA07E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_95442586326EA529E4B79A71A20D4C83" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_D74A7294D6C57E88B2F69A71A20DE941" xlink:to="loc_dei_DocumentType_95442586326EA529E4B79A71A20D4C83" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_A5DD135664596732D81D9A71A20DD8FB" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_D74A7294D6C57E88B2F69A71A20DE941" xlink:to="loc_dei_DocumentPeriodEndDate_A5DD135664596732D81D9A71A20DD8FB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_6F747D27A7DE25D223CA9A71A20D145C" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_D74A7294D6C57E88B2F69A71A20DE941" xlink:to="loc_dei_DocumentFiscalYearFocus_6F747D27A7DE25D223CA9A71A20D145C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_C404D429A21ABE71AE669A71A20D5EF7" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_D74A7294D6C57E88B2F69A71A20DE941" xlink:to="loc_dei_DocumentFiscalPeriodFocus_C404D429A21ABE71AE669A71A20D5EF7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_A5030C13B22ADFCBA4A79A71A20D8717" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_D74A7294D6C57E88B2F69A71A20DE941" xlink:to="loc_dei_AmendmentFlag_A5030C13B22ADFCBA4A79A71A20D8717" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_60BA00073B275D57D9B39A71A20DC3F0" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_D74A7294D6C57E88B2F69A71A20DE941" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_60BA00073B275D57D9B39A71A20DC3F0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_51094C994B27C38E2EC99A71A20D9137" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_D74A7294D6C57E88B2F69A71A20DE941" xlink:to="loc_dei_EntityWellKnownSeasonedIssuer_51094C994B27C38E2EC99A71A20D9137" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="loc_dei_EntityVoluntaryFilers_1C5792DFF6FEA59D14C99A71A20DC0CF" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_D74A7294D6C57E88B2F69A71A20DE941" xlink:to="loc_dei_EntityVoluntaryFilers_1C5792DFF6FEA59D14C99A71A20DC0CF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus_1455D80C8AABA31B7FE99A71A20D6D96" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_D74A7294D6C57E88B2F69A71A20DE941" xlink:to="loc_dei_EntityCurrentReportingStatus_1455D80C8AABA31B7FE99A71A20D6D96" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityPublicFloat" xlink:label="loc_dei_EntityPublicFloat_C16F3B8DCF2B671316409A71A20D1A3C" xlink:type="locator"/>
<definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_D74A7294D6C57E88B2F69A71A20DE941" xlink:to="loc_dei_EntityPublicFloat_C16F3B8DCF2B671316409A71A20D1A3C" 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-20141231.xsd#cpn_IncomeTaxLineItems" xlink:label="loc_cpn_IncomeTaxLineItems_D2CB51116D390BD4D8483667A6CF20B2" xlink:type="locator"/>
<loc xlink:href="cpn-20141231.xsd#cpn_IncomeTaxTable" xlink:label="loc_cpn_IncomeTaxTable_1E03A365B4A45D18DC623667A6CF4793" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_cpn_IncomeTaxLineItems_D2CB51116D390BD4D8483667A6CF20B2" xlink:to="loc_cpn_IncomeTaxTable_1E03A365B4A45D18DC623667A6CF4793" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="cpn-20141231.xsd#cpn_EffectiveIncomeTaxRateReconciliationAxis" xlink:label="loc_cpn_EffectiveIncomeTaxRateReconciliationAxis_F75255004463473CECE93667A6CF1987" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_IncomeTaxTable_1E03A365B4A45D18DC623667A6CF4793" xlink:to="loc_cpn_EffectiveIncomeTaxRateReconciliationAxis_F75255004463473CECE93667A6CF1987" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_EffectiveIncomeTaxRateReconciliationDomain" xlink:label="loc_cpn_EffectiveIncomeTaxRateReconciliationDomain_AA537F507508C039E5E33667A6CF0A0C_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_cpn_EffectiveIncomeTaxRateReconciliationAxis_F75255004463473CECE93667A6CF1987" xlink:to="loc_cpn_EffectiveIncomeTaxRateReconciliationDomain_AA537F507508C039E5E33667A6CF0A0C_default" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_EffectiveIncomeTaxRateReconciliationDomain" xlink:label="loc_cpn_EffectiveIncomeTaxRateReconciliationDomain_AA537F507508C039E5E33667A6CF0A0C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_cpn_EffectiveIncomeTaxRateReconciliationAxis_F75255004463473CECE93667A6CF1987" xlink:to="loc_cpn_EffectiveIncomeTaxRateReconciliationDomain_AA537F507508C039E5E33667A6CF0A0C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_2F5D9C5EB096934AA5623667A6CF5F46" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_D2CB51116D390BD4D8483667A6CF20B2" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_2F5D9C5EB096934AA5623667A6CF5F46" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_4F3F1A450EBDF6D17DC13667A6D03637" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_D2CB51116D390BD4D8483667A6CF20B2" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_4F3F1A450EBDF6D17DC13667A6D03637" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepletion" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepletion_56F927539CE6EB9A9AB33667A6D08B31" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_D2CB51116D390BD4D8483667A6CF20B2" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepletion_56F927539CE6EB9A9AB33667A6D08B31" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlementsDomestic" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlementsDomestic_C69930E17334DF17BBC63667A6D0E149" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_D2CB51116D390BD4D8483667A6CF20B2" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlementsDomestic_C69930E17334DF17BBC63667A6D0E149" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_6A91D0E912CDF8918ED93667A6D053A8" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_D2CB51116D390BD4D8483667A6CF20B2" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_6A91D0E912CDF8918ED93667A6D053A8" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowanceDueToForeignTaxes" xlink:label="loc_cpn_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowanceDueToForeignTaxes_8FFA32FD4C78E5CDD0B23667A6D077BE" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_D2CB51116D390BD4D8483667A6CF20B2" xlink:to="loc_cpn_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowanceDueToForeignTaxes_8FFA32FD4C78E5CDD0B23667A6D077BE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_7407DA1756B1851DBFB43667A6D07685" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_D2CB51116D390BD4D8483667A6CF20B2" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_7407DA1756B1851DBFB43667A6D07685" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_EffectiveIncomeTaxRateReconciliationIntraperiodAllocation" xlink:label="loc_cpn_EffectiveIncomeTaxRateReconciliationIntraperiodAllocation_AC7C8FA581E26DAF17553667A6D07593" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_D2CB51116D390BD4D8483667A6CF20B2" xlink:to="loc_cpn_EffectiveIncomeTaxRateReconciliationIntraperiodAllocation_AC7C8FA581E26DAF17553667A6D07593" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_EffectiveIncomeTaxRateReconciliationChangeInUnrecognizedTaxBenefits" xlink:label="loc_cpn_EffectiveIncomeTaxRateReconciliationChangeInUnrecognizedTaxBenefits_86355FCC78A29314620D3667A6D0C19D" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_D2CB51116D390BD4D8483667A6CF20B2" xlink:to="loc_cpn_EffectiveIncomeTaxRateReconciliationChangeInUnrecognizedTaxBenefits_86355FCC78A29314620D3667A6D0C19D" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDisallowedCompensation" xlink:label="loc_cpn_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDisallowedCompensation_C96C7CBCB3C8AEAB70EC3667A6D0D3C8" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_D2CB51116D390BD4D8483667A6CF20B2" xlink:to="loc_cpn_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDisallowedCompensation_C96C7CBCB3C8AEAB70EC3667A6D0D3C8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_95DCF26516A6182C57773667A6D05564" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_D2CB51116D390BD4D8483667A6CF20B2" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_95DCF26516A6182C57773667A6D05564" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_BFE1BB3527DD3EBFCCA43667A6D062C6" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_D2CB51116D390BD4D8483667A6CF20B2" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_BFE1BB3527DD3EBFCCA43667A6D062C6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_11576E2E59692CA887A03667A6D08B16" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_D2CB51116D390BD4D8483667A6CF20B2" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_11576E2E59692CA887A03667A6D08B16" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_5C7AA5C65CD13F9416383667A6D0ABA3" xlink:type="locator"/>
<definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_D2CB51116D390BD4D8483667A6CF20B2" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_5C7AA5C65CD13F9416383667A6D0ABA3" 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/IncomeTaxesScheduleOfIncomeTaxExpenseBenefitIntraperiodTaxAllocationDetails" xlink:type="extended">
<loc xlink:href="cpn-20141231.xsd#cpn_IncomeTaxLineItems" xlink:label="loc_cpn_IncomeTaxLineItems_EABA9F8087C15BA831719A71A26B7E24" xlink:type="locator"/>
<loc xlink:href="cpn-20141231.xsd#cpn_IncomeTaxTable" xlink:label="loc_cpn_IncomeTaxTable_A27AC7AB5AC768E7950D9A71A26B396B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_cpn_IncomeTaxLineItems_EABA9F8087C15BA831719A71A26B7E24" xlink:to="loc_cpn_IncomeTaxTable_A27AC7AB5AC768E7950D9A71A26B396B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="cpn-20141231.xsd#cpn_IncomeTaxExpenseBenefitIntraperiodTaxAllocationAxis" xlink:label="loc_cpn_IncomeTaxExpenseBenefitIntraperiodTaxAllocationAxis_43285A1B598806885BE39A71A26BD5E4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_IncomeTaxTable_A27AC7AB5AC768E7950D9A71A26B396B" xlink:to="loc_cpn_IncomeTaxExpenseBenefitIntraperiodTaxAllocationAxis_43285A1B598806885BE39A71A26BD5E4" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_EffectiveIncomeTaxRateReconciliationDomain" xlink:label="loc_cpn_EffectiveIncomeTaxRateReconciliationDomain_0D33FEE08B0DD779F0249A71A26BC06E_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_cpn_IncomeTaxExpenseBenefitIntraperiodTaxAllocationAxis_43285A1B598806885BE39A71A26BD5E4" xlink:to="loc_cpn_EffectiveIncomeTaxRateReconciliationDomain_0D33FEE08B0DD779F0249A71A26BC06E_default" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_EffectiveIncomeTaxRateReconciliationDomain" xlink:label="loc_cpn_EffectiveIncomeTaxRateReconciliationDomain_0D33FEE08B0DD779F0249A71A26BC06E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_cpn_IncomeTaxExpenseBenefitIntraperiodTaxAllocationAxis_43285A1B598806885BE39A71A26BD5E4" xlink:to="loc_cpn_EffectiveIncomeTaxRateReconciliationDomain_0D33FEE08B0DD779F0249A71A26BC06E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentContinuingOperationsMember" xlink:label="loc_us-gaap_SegmentContinuingOperationsMember_138CF97FB7D47307F14B9A71A26BDC28" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_EffectiveIncomeTaxRateReconciliationDomain_0D33FEE08B0DD779F0249A71A26BC06E" xlink:to="loc_us-gaap_SegmentContinuingOperationsMember_138CF97FB7D47307F14B9A71A26BDC28" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_OtherComprehensiveIncomeMember_BBFC5AA1D28C63AE47DE9A71A26BD2D7" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_EffectiveIncomeTaxRateReconciliationDomain_0D33FEE08B0DD779F0249A71A26BC06E" xlink:to="loc_us-gaap_OtherComprehensiveIncomeMember_BBFC5AA1D28C63AE47DE9A71A26BD2D7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxExpenseBenefitIntraperiodTaxAllocation" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefitIntraperiodTaxAllocation_9021BBF7125ECE72DE8D9A71A26B6199" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxLineItems_EABA9F8087C15BA831719A71A26B7E24" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefitIntraperiodTaxAllocation_9021BBF7125ECE72DE8D9A71A26B6199" xlink:type="arc"/>
</definitionLink>
<definitionLink xlink:role="http://www.calpine.com/role/IncomeTaxesTextualsDetails" xlink:type="extended">
<loc xlink:href="cpn-20141231.xsd#cpn_IntraperiodIncomeTaxLineItems" xlink:label="loc_cpn_IntraperiodIncomeTaxLineItems_3389DC868775E0B19A8079506B477DD9" xlink:type="locator"/>
<loc xlink:href="cpn-20141231.xsd#cpn_IncomeTaxTable" xlink:label="loc_cpn_IncomeTaxTable_CE1DCFA8D74EEC93265879506B47BF81" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_cpn_IntraperiodIncomeTaxLineItems_3389DC868775E0B19A8079506B477DD9" xlink:to="loc_cpn_IncomeTaxTable_CE1DCFA8D74EEC93265879506B47BF81" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TaxPeriodAxis" xlink:label="loc_us-gaap_TaxPeriodAxis_C0ADC285FD7EA8B8690D79506B47DBE3" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_IncomeTaxTable_CE1DCFA8D74EEC93265879506B47BF81" xlink:to="loc_us-gaap_TaxPeriodAxis_C0ADC285FD7EA8B8690D79506B47DBE3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TaxPeriodDomain" xlink:label="loc_us-gaap_TaxPeriodDomain_6E3A7B04027C0572682A79506B47F233_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TaxPeriodAxis_C0ADC285FD7EA8B8690D79506B47DBE3" xlink:to="loc_us-gaap_TaxPeriodDomain_6E3A7B04027C0572682A79506B47F233_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TaxPeriodDomain" xlink:label="loc_us-gaap_TaxPeriodDomain_6E3A7B04027C0572682A79506B47F233" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TaxPeriodAxis_C0ADC285FD7EA8B8690D79506B47DBE3" xlink:to="loc_us-gaap_TaxPeriodDomain_6E3A7B04027C0572682A79506B47F233" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_Expirationdate2015through2034Member" xlink:label="loc_cpn_Expirationdate2015through2034Member_6A38A704B3A2C51B462479506B472DFC" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TaxPeriodDomain_6E3A7B04027C0572682A79506B47F233" xlink:to="loc_cpn_Expirationdate2015through2034Member_6A38A704B3A2C51B462479506B472DFC" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_Expirationdate2026and2034Member" xlink:label="loc_cpn_Expirationdate2026and2034Member_966B4FE79217DD710EF379506B47BECC" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TaxPeriodDomain_6E3A7B04027C0572682A79506B47F233" xlink:to="loc_cpn_Expirationdate2026and2034Member_966B4FE79217DD710EF379506B47BECC" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_Expirationdate2023through2033Member" xlink:label="loc_cpn_Expirationdate2023through2033Member_B8D4B4B1D1B0CB63701879506B474A4C" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TaxPeriodDomain_6E3A7B04027C0572682A79506B47F233" xlink:to="loc_cpn_Expirationdate2023through2033Member_B8D4B4B1D1B0CB63701879506B474A4C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_76EF791124979717531D79506B478C3D" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_IncomeTaxTable_CE1DCFA8D74EEC93265879506B47BF81" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_76EF791124979717531D79506B478C3D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_B4C1090502507E2EE70979506B476303_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_76EF791124979717531D79506B478C3D" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_B4C1090502507E2EE70979506B476303_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_B4C1090502507E2EE70979506B476303" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_76EF791124979717531D79506B478C3D" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_B4C1090502507E2EE70979506B476303" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_FederalDomain" xlink:label="loc_cpn_FederalDomain_B5D2E5FFF6CDEB1D025B79506B4778F1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_B4C1090502507E2EE70979506B476303" xlink:to="loc_cpn_FederalDomain_B5D2E5FFF6CDEB1D025B79506B4778F1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StateAndLocalJurisdictionMember" xlink:label="loc_us-gaap_StateAndLocalJurisdictionMember_8B9C1F317601FF5C456379506B471939" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_B4C1090502507E2EE70979506B476303" xlink:to="loc_us-gaap_StateAndLocalJurisdictionMember_8B9C1F317601FF5C456379506B471939" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_IntraperiodAxis" xlink:label="loc_cpn_IntraperiodAxis_8FBF25C3A007629C21F979506B474562" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_IncomeTaxTable_CE1DCFA8D74EEC93265879506B47BF81" xlink:to="loc_cpn_IntraperiodAxis_8FBF25C3A007629C21F979506B474562" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_IntraperiodDomain" xlink:label="loc_cpn_IntraperiodDomain_EBD038A917D219808FC079506B47D1BF_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_cpn_IntraperiodAxis_8FBF25C3A007629C21F979506B474562" xlink:to="loc_cpn_IntraperiodDomain_EBD038A917D219808FC079506B47D1BF_default" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_IntraperiodDomain" xlink:label="loc_cpn_IntraperiodDomain_EBD038A917D219808FC079506B47D1BF" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_cpn_IntraperiodAxis_8FBF25C3A007629C21F979506B474562" xlink:to="loc_cpn_IntraperiodDomain_EBD038A917D219808FC079506B47D1BF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_872C1BB50F047ABB23CE79506B47262F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IntraperiodIncomeTaxLineItems_3389DC868775E0B19A8079506B477DD9" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_872C1BB50F047ABB23CE79506B47262F" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_NumberofStatesforNOLCarryforwards" xlink:label="loc_cpn_NumberofStatesforNOLCarryforwards_EC3E73B93BF02F41E58F79506B48F3FC" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IntraperiodIncomeTaxLineItems_3389DC868775E0B19A8079506B477DD9" xlink:to="loc_cpn_NumberofStatesforNOLCarryforwards_EC3E73B93BF02F41E58F79506B48F3FC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxExpenseBenefitIntraperiodTaxAllocation" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefitIntraperiodTaxAllocation_30A7116F05EDA8DBEA0C79506B48C54B" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IntraperiodIncomeTaxLineItems_3389DC868775E0B19A8079506B477DD9" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefitIntraperiodTaxAllocation_30A7116F05EDA8DBEA0C79506B48C54B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_07A72EB73D9BE94AC99979506B489001" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IntraperiodIncomeTaxLineItems_3389DC868775E0B19A8079506B477DD9" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_07A72EB73D9BE94AC99979506B489001" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_IncomeTaxDisclosureTextualsAbstract" xlink:label="loc_cpn_IncomeTaxDisclosureTextualsAbstract_0BE65A94CD4B371943D579506B484824" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IntraperiodIncomeTaxLineItems_3389DC868775E0B19A8079506B477DD9" xlink:to="loc_cpn_IncomeTaxDisclosureTextualsAbstract_0BE65A94CD4B371943D579506B484824" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_2CB2D9CD28BCD6B9271379506B48BBF0" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_0BE65A94CD4B371943D579506B484824" xlink:to="loc_us-gaap_UnrecognizedTaxBenefits_2CB2D9CD28BCD6B9271379506B48BBF0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_C252DB1B903BC93AADDC79506B4833BA" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_0BE65A94CD4B371943D579506B484824" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_C252DB1B903BC93AADDC79506B4833BA" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_UnrecognizedTaxBenefitRelatedtoDeferredTaxAsset" xlink:label="loc_cpn_UnrecognizedTaxBenefitRelatedtoDeferredTaxAsset_A3D43C5230CD91FE799E79506B483813" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_0BE65A94CD4B371943D579506B484824" xlink:to="loc_cpn_UnrecognizedTaxBenefitRelatedtoDeferredTaxAsset_A3D43C5230CD91FE799E79506B483813" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_C4CF635CE9EBB70E0BAD79506B487EA9" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_0BE65A94CD4B371943D579506B484824" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_C4CF635CE9EBB70E0BAD79506B487EA9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_92A7DFA768D02A73775779506B48D387" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_0BE65A94CD4B371943D579506B484824" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_92A7DFA768D02A73775779506B48D387" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_3804A3BCEA6BAB41931C79506B4816FD" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_0BE65A94CD4B371943D579506B484824" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_3804A3BCEA6BAB41931C79506B4816FD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:label="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_B5AF72E2103B28FE54B479506B488D81" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_0BE65A94CD4B371943D579506B484824" xlink:to="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_B5AF72E2103B28FE54B479506B488D81" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_MiscellaneousincreaseinstateDeferredTaxAssets" xlink:label="loc_cpn_MiscellaneousincreaseinstateDeferredTaxAssets_45F1BD0F0B48ADEA43E679506B48F638" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_0BE65A94CD4B371943D579506B484824" xlink:to="loc_cpn_MiscellaneousincreaseinstateDeferredTaxAssets_45F1BD0F0B48ADEA43E679506B48F638" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_TaxRefundDueToForeignDividendIncomeTreatment" xlink:label="loc_cpn_TaxRefundDueToForeignDividendIncomeTreatment_4B1566EAC47EFCA6A06079506B48A871" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_0BE65A94CD4B371943D579506B484824" xlink:to="loc_cpn_TaxRefundDueToForeignDividendIncomeTreatment_4B1566EAC47EFCA6A06079506B48A871" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_TaxRefundPlusAccruedInterestDueToForeignDividendIncomeTreatment" xlink:label="loc_cpn_TaxRefundPlusAccruedInterestDueToForeignDividendIncomeTreatment_AAF1C8D8C7499F2F43B279506B482F8F" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_0BE65A94CD4B371943D579506B484824" xlink:to="loc_cpn_TaxRefundPlusAccruedInterestDueToForeignDividendIncomeTreatment_AAF1C8D8C7499F2F43B279506B482F8F" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_AccruedInterestOnForeignDividendRefund" xlink:label="loc_cpn_AccruedInterestOnForeignDividendRefund_5F9696B0A81FE47DA8EF79506B48E18C" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_0BE65A94CD4B371943D579506B484824" xlink:to="loc_cpn_AccruedInterestOnForeignDividendRefund_5F9696B0A81FE47DA8EF79506B48E18C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal_153A626844F9B8E5AF7179506B48E5B8" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_0BE65A94CD4B371943D579506B484824" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal_153A626844F9B8E5AF7179506B48E5B8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign_2C95CA91CC5C4931433B79506B480968" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_0BE65A94CD4B371943D579506B484824" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign_2C95CA91CC5C4931433B79506B480968" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_DB49EA9023B3CF3953C879506B499953" xlink:type="locator"/>
<definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeTaxDisclosureTextualsAbstract_0BE65A94CD4B371943D579506B484824" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_DB49EA9023B3CF3953C879506B499953" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1705B2182E5FD49C6A875BDF07F13F17" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7FD4F53FECFA31B977535BDF07F172AD" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1705B2182E5FD49C6A875BDF07F13F17" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7FD4F53FECFA31B977535BDF07F172AD" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_54FBFEE0EC145D3B8EA45BDF07F1A4B6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7FD4F53FECFA31B977535BDF07F172AD" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_54FBFEE0EC145D3B8EA45BDF07F1A4B6" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_5DA38BDA5039B95AA7C45BDF07F14947_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_54FBFEE0EC145D3B8EA45BDF07F1A4B6" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_5DA38BDA5039B95AA7C45BDF07F14947_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_5DA38BDA5039B95AA7C45BDF07F14947" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_54FBFEE0EC145D3B8EA45BDF07F1A4B6" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_5DA38BDA5039B95AA7C45BDF07F14947" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_BuildingMachineryAndEquipmentGrossMember" xlink:label="loc_cpn_BuildingMachineryAndEquipmentGrossMember_4299BD5C06276D806A105BDF07F18CE4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_5DA38BDA5039B95AA7C45BDF07F14947" xlink:to="loc_cpn_BuildingMachineryAndEquipmentGrossMember_4299BD5C06276D806A105BDF07F18CE4" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GeothermalPropertiesGrossMember" xlink:label="loc_cpn_GeothermalPropertiesGrossMember_242C67AE80E01B6C7D7B5BDF07F1E323" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_5DA38BDA5039B95AA7C45BDF07F14947" xlink:to="loc_cpn_GeothermalPropertiesGrossMember_242C67AE80E01B6C7D7B5BDF07F1E323" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentOtherTypesMember" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentOtherTypesMember_945AE0DB83300B3D04C15BDF07F1FF37" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_5DA38BDA5039B95AA7C45BDF07F14947" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentOtherTypesMember_945AE0DB83300B3D04C15BDF07F1FF37" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_BECA591A80D0E32AD4205BDF07F1AFEF" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7FD4F53FECFA31B977535BDF07F172AD" xlink:to="loc_us-gaap_RangeAxis_BECA591A80D0E32AD4205BDF07F1AFEF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_FBDFCF6DCD3FC65984845BDF07F1F9DC_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_BECA591A80D0E32AD4205BDF07F1AFEF" xlink:to="loc_us-gaap_RangeMember_FBDFCF6DCD3FC65984845BDF07F1F9DC_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_FBDFCF6DCD3FC65984845BDF07F1F9DC" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_BECA591A80D0E32AD4205BDF07F1AFEF" xlink:to="loc_us-gaap_RangeMember_FBDFCF6DCD3FC65984845BDF07F1F9DC" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_8EE76D3CE90EE5F9C95F5BDF07F170FA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_FBDFCF6DCD3FC65984845BDF07F1F9DC" xlink:to="loc_us-gaap_MinimumMember_8EE76D3CE90EE5F9C95F5BDF07F170FA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_6AFBB6F7BD102034B34D5BDF07F14145" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_FBDFCF6DCD3FC65984845BDF07F1F9DC" xlink:to="loc_us-gaap_MaximumMember_6AFBB6F7BD102034B34D5BDF07F14145" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_BuildingsMachineryAndEquipmentGross" xlink:label="loc_cpn_BuildingsMachineryAndEquipmentGross_F0A702518369239D79025BDF07F2EB10" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1705B2182E5FD49C6A875BDF07F13F17" xlink:to="loc_cpn_BuildingsMachineryAndEquipmentGross_F0A702518369239D79025BDF07F2EB10" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GeothermalPropertiesGross" xlink:label="loc_cpn_GeothermalPropertiesGross_5F434CFD04C51CB6F4935BDF07F2304A" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1705B2182E5FD49C6A875BDF07F13F17" xlink:to="loc_cpn_GeothermalPropertiesGross_5F434CFD04C51CB6F4935BDF07F2304A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentOther" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentOther_8858994C2B6F8B3EAD035BDF07F269FF" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1705B2182E5FD49C6A875BDF07F13F17" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentOther_8858994C2B6F8B3EAD035BDF07F269FF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_7FB448501C18BD9A978B5BDF07F24CBB" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1705B2182E5FD49C6A875BDF07F13F17" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_7FB448501C18BD9A978B5BDF07F24CBB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_6DEA3286BCEC117F05C45BDF07F2C551" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1705B2182E5FD49C6A875BDF07F13F17" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_6DEA3286BCEC117F05C45BDF07F2C551" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PropertyPlantAndEquipmentGrossLessAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_cpn_PropertyPlantAndEquipmentGrossLessAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_76D385E062E582C969355BDF07F2E12D" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1705B2182E5FD49C6A875BDF07F13F17" xlink:to="loc_cpn_PropertyPlantAndEquipmentGrossLessAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_76D385E062E582C969355BDF07F2E12D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Land" xlink:label="loc_us-gaap_Land_E12F08A6C4FEF742ADF35BDF07F24D60" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1705B2182E5FD49C6A875BDF07F13F17" xlink:to="loc_us-gaap_Land_E12F08A6C4FEF742ADF35BDF07F24D60" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConstructionInProgressGross" xlink:label="loc_us-gaap_ConstructionInProgressGross_EAB968192B43D6B395FB5BDF07F23890" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1705B2182E5FD49C6A875BDF07F13F17" xlink:to="loc_us-gaap_ConstructionInProgressGross_EAB968192B43D6B395FB5BDF07F23890" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_74D2633C4FD0097BDDB75BDF07F2C411" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1705B2182E5FD49C6A875BDF07F13F17" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_74D2633C4FD0097BDDB75BDF07F2C411" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_82CDABE215BEA6B52E265BE1BC3947AE" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1705B2182E5FD49C6A875BDF07F13F17" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_82CDABE215BEA6B52E265BE1BC3947AE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestCostsCapitalized" xlink:label="loc_us-gaap_InterestCostsCapitalized_9E7295C236DFF78C68215BDF07F25911" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1705B2182E5FD49C6A875BDF07F13F17" xlink:to="loc_us-gaap_InterestCostsCapitalized_9E7295C236DFF78C68215BDF07F25911" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_4E0987EF0824CD361B795A6DD260C840" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:label="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_6BE103EF4AEDD0743D4C5A6DD251AB99" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_4E0987EF0824CD361B795A6DD260C840" xlink:to="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_6BE103EF4AEDD0743D4C5A6DD251AB99" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_F2BD0294C2D6149659EF5A6DD2603F9B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_6BE103EF4AEDD0743D4C5A6DD251AB99" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_F2BD0294C2D6149659EF5A6DD2603F9B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_9A0B1B450222BFD9DBBB5A6DD26026BA_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_F2BD0294C2D6149659EF5A6DD2603F9B" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDomain_9A0B1B450222BFD9DBBB5A6DD26026BA_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_9A0B1B450222BFD9DBBB5A6DD26026BA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_F2BD0294C2D6149659EF5A6DD2603F9B" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDomain_9A0B1B450222BFD9DBBB5A6DD26026BA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsMember" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsMember_31A05D5FD1350B8812595A6DD2602359" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_9A0B1B450222BFD9DBBB5A6DD26026BA" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsMember_31A05D5FD1350B8812595A6DD2602359" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember" xlink:label="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_9B31E82EDD9DF7E48A315A6DD2601B9E" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_9A0B1B450222BFD9DBBB5A6DD26026BA" xlink:to="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_9B31E82EDD9DF7E48A315A6DD2601B9E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MovementInValuationAllowancesAndReservesRollForward" xlink:label="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_F00D8C28F37C7737FE075A6DD260EEA7" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_4E0987EF0824CD361B795A6DD260C840" xlink:to="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_F00D8C28F37C7737FE075A6DD260EEA7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesBalance_E212B8061F22B0891D0F5A6DD2605586" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_F00D8C28F37C7737FE075A6DD260EEA7" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesBalance_E212B8061F22B0891D0F5A6DD2605586" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_35B9ED531102F4E060745A6DD2600DA3" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_F00D8C28F37C7737FE075A6DD260EEA7" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_35B9ED531102F4E060745A6DD2600DA3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDeductions" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDeductions_889290C101F18D9164E05A6DD2609073" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_F00D8C28F37C7737FE075A6DD260EEA7" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDeductions_889290C101F18D9164E05A6DD2609073" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_DFCBFB68F7289A1EFF615A6DD260693C" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_F00D8C28F37C7737FE075A6DD260EEA7" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_DFCBFB68F7289A1EFF615A6DD260693C" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:label="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_14DF15AC3F0AD69AD18B5B2F64F6C533" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_14DF15AC3F0AD69AD18B5B2F64F6C533" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_us-gaap_ConsolidationItemsAxis_2E2CCBA80D92CDE210A45B2F64F68524" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_14DF15AC3F0AD69AD18B5B2F64F6C533" xlink:to="loc_us-gaap_ConsolidationItemsAxis_2E2CCBA80D92CDE210A45B2F64F68524" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_7AB63EE71A769B50D40F5B2F64F6C438_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConsolidationItemsAxis_2E2CCBA80D92CDE210A45B2F64F68524" xlink:to="loc_us-gaap_ConsolidationItemsDomain_7AB63EE71A769B50D40F5B2F64F6C438_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_7AB63EE71A769B50D40F5B2F64F6C438" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConsolidationItemsAxis_2E2CCBA80D92CDE210A45B2F64F68524" xlink:to="loc_us-gaap_ConsolidationItemsDomain_7AB63EE71A769B50D40F5B2F64F6C438" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_F928E69046889DBF3BB05B2F64F63139" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_7AB63EE71A769B50D40F5B2F64F6C438" xlink:to="loc_us-gaap_OperatingSegmentsMember_F928E69046889DBF3BB05B2F64F63139" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IntersegmentEliminationMember" xlink:label="loc_us-gaap_IntersegmentEliminationMember_D81014FCDA4077048DCB5B2F64F6A2F0" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_7AB63EE71A769B50D40F5B2F64F6C438" xlink:to="loc_us-gaap_IntersegmentEliminationMember_D81014FCDA4077048DCB5B2F64F6A2F0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MajorCustomersAxis" xlink:label="loc_us-gaap_MajorCustomersAxis_EF61FFDC48C553F17FEB5B2F64F74D97" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_14DF15AC3F0AD69AD18B5B2F64F6C533" xlink:to="loc_us-gaap_MajorCustomersAxis_EF61FFDC48C553F17FEB5B2F64F74D97" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="loc_us-gaap_NameOfMajorCustomerDomain_9293DFA54BA64896EBF95B2F64F7FFB2_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MajorCustomersAxis_EF61FFDC48C553F17FEB5B2F64F74D97" xlink:to="loc_us-gaap_NameOfMajorCustomerDomain_9293DFA54BA64896EBF95B2F64F7FFB2_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="loc_us-gaap_NameOfMajorCustomerDomain_9293DFA54BA64896EBF95B2F64F7FFB2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MajorCustomersAxis_EF61FFDC48C553F17FEB5B2F64F74D97" xlink:to="loc_us-gaap_NameOfMajorCustomerDomain_9293DFA54BA64896EBF95B2F64F7FFB2" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PjmSettlementIncMember" xlink:label="loc_cpn_PjmSettlementIncMember_1920C4A4ABEE85189E9D5B2F64F7F595" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_9293DFA54BA64896EBF95B2F64F7FFB2" xlink:to="loc_cpn_PjmSettlementIncMember_1920C4A4ABEE85189E9D5B2F64F7F595" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PacificGasElectricCompanyMember" xlink:label="loc_cpn_PacificGasElectricCompanyMember_B7136A1439FB31190CDF5B2F64F79B17" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_9293DFA54BA64896EBF95B2F64F7FFB2" xlink:to="loc_cpn_PacificGasElectricCompanyMember_B7136A1439FB31190CDF5B2F64F79B17" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_C777F7EC6314006918FA5B2F64F74937" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_14DF15AC3F0AD69AD18B5B2F64F6C533" xlink:to="loc_us-gaap_StatementGeographicalAxis_C777F7EC6314006918FA5B2F64F74937" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_1ADE879311BD97B2E42D5B2F64F7A60D_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementGeographicalAxis_C777F7EC6314006918FA5B2F64F74937" xlink:to="loc_us-gaap_SegmentGeographicalDomain_1ADE879311BD97B2E42D5B2F64F7A60D_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_1ADE879311BD97B2E42D5B2F64F7A60D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementGeographicalAxis_C777F7EC6314006918FA5B2F64F74937" xlink:to="loc_us-gaap_SegmentGeographicalDomain_1ADE879311BD97B2E42D5B2F64F7A60D" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_WestMember" xlink:label="loc_cpn_WestMember_D95C2B67684F2CC1A1B15B2F64F78222" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_1ADE879311BD97B2E42D5B2F64F7A60D" xlink:to="loc_cpn_WestMember_D95C2B67684F2CC1A1B15B2F64F78222" xlink:type="arc"/>
<loc xlink:href="http://xbrl.sec.gov/stpr/2011/stpr-2011-01-31.xsd#stpr_TX" xlink:label="loc_stpr_TX_4020E1FFF44E7565B1BF5B2F64F77A48" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_1ADE879311BD97B2E42D5B2F64F7A60D" xlink:to="loc_stpr_TX_4020E1FFF44E7565B1BF5B2F64F77A48" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_EastMember" xlink:label="loc_cpn_EastMember_52BEDA48CE0E7BB8FFB65B2F64F796E7" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_1ADE879311BD97B2E42D5B2F64F7A60D" xlink:to="loc_cpn_EastMember_52BEDA48CE0E7BB8FFB65B2F64F796E7" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GeographyConsolidationandEliminationMember" xlink:label="loc_cpn_GeographyConsolidationandEliminationMember_C169A5FFF9A7583CA87E5B2F64F7A707" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_1ADE879311BD97B2E42D5B2F64F7A60D" xlink:to="loc_cpn_GeographyConsolidationandEliminationMember_C169A5FFF9A7583CA87E5B2F64F7A707" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_D888184357A9BE7DF6015B2F64F7618C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_us-gaap_Revenues_D888184357A9BE7DF6015B2F64F7618C" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CommodityMargin" xlink:label="loc_cpn_CommodityMargin_06C0ACF15D67C0EF74335B2F64F76523" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_cpn_CommodityMargin_06C0ACF15D67C0EF74335B2F64F76523" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_MarkToMarketCommodityActivityNetAndOtherRevenue" xlink:label="loc_cpn_MarkToMarketCommodityActivityNetAndOtherRevenue_715938C45A14444B8ED25B2F64F8E64F" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_cpn_MarkToMarketCommodityActivityNetAndOtherRevenue_715938C45A14444B8ED25B2F64F8E64F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingCostsAndExpenses" xlink:label="loc_us-gaap_OperatingCostsAndExpenses_FC07EFCF7722CD4BCD615B2F64F84614" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_us-gaap_OperatingCostsAndExpenses_FC07EFCF7722CD4BCD615B2F64F84614" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_8D857C5B2A3900190A055B2F64F8AAC1" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_us-gaap_DepreciationAndAmortization_8D857C5B2A3900190A055B2F64F8AAC1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_39D36CF52B7D4815178E5B2F64F8F92B" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_39D36CF52B7D4815178E5B2F64F8F92B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_39D08BC51695D6FC0B315B2F64F88014" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_39D08BC51695D6FC0B315B2F64F88014" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="loc_us-gaap_AssetImpairmentCharges_66E2CA4DE223D38374A15B2F64F89AF1" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_us-gaap_AssetImpairmentCharges_66E2CA4DE223D38374A15B2F64F89AF1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets1" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_2AAAE99F6FE8CD9BB2115B2F64F8FAEE" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_2AAAE99F6FE8CD9BB2115B2F64F8FAEE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_2BC6D213FA2FBFE7E9695B2F64F81F9F" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_2BC6D213FA2FBFE7E9695B2F64F81F9F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_F978FC777AA2743499455B2F64F89697" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_us-gaap_OperatingIncomeLoss_F978FC777AA2743499455B2F64F89697" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestRevenueExpenseNet" xlink:label="loc_us-gaap_InterestRevenueExpenseNet_A07412FED4ED5E3F69A85B2F64F851C0" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_us-gaap_InterestRevenueExpenseNet_A07412FED4ED5E3F69A85B2F64F851C0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments" xlink:label="loc_us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments_15207F533DE261D614535B2F64F81179" xlink:type="locator"/>
<definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments_15207F533DE261D614535B2F64F81179" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_DebtExtinguishmentCostsAndOtherIncomeExpenseNet" xlink:label="loc_cpn_DebtExtinguishmentCostsAndOtherIncomeExpenseNet_646A1C0129D5204280075B2F64F870F6" xlink:type="locator"/>
<definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_cpn_DebtExtinguishmentCostsAndOtherIncomeExpenseNet_646A1C0129D5204280075B2F64F870F6" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_IncomeLossBeforeReorganizationItemsIncomeTaxesAndDiscontinuedOperations" xlink:label="loc_cpn_IncomeLossBeforeReorganizationItemsIncomeTaxesAndDiscontinuedOperations_1B663538B187277C69C85B2F64F8A29D" xlink:type="locator"/>
<definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_cpn_IncomeLossBeforeReorganizationItemsIncomeTaxesAndDiscontinuedOperations_1B663538B187277C69C85B2F64F8A29D" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CommodityMarginforSixSoutheastPowerPlantsSold" xlink:label="loc_cpn_CommodityMarginforSixSoutheastPowerPlantsSold_A864E2CDA7DA2B3517F15B2F64F9BD8C" xlink:type="locator"/>
<definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_cpn_CommodityMarginforSixSoutheastPowerPlantsSold_A864E2CDA7DA2B3517F15B2F64F9BD8C" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_LeaseLevelization" xlink:label="loc_cpn_LeaseLevelization_3A7543FF4F5BAC80BBC55B2F64F9FEE2" xlink:type="locator"/>
<definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_cpn_LeaseLevelization_3A7543FF4F5BAC80BBC55B2F64F9FEE2" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_ContractAmortization" xlink:label="loc_cpn_ContractAmortization_FC19529F968BA4F3E1525B2F64F9749C" xlink:type="locator"/>
<definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_cpn_ContractAmortization_FC19529F968BA4F3E1525B2F64F9749C" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CommodityMarginBroadRiverEnergyCenter" xlink:label="loc_cpn_CommodityMarginBroadRiverEnergyCenter_60217EC9F03C873FED365B2F64F983A1" xlink:type="locator"/>
<definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_cpn_CommodityMarginBroadRiverEnergyCenter_60217EC9F03C873FED365B2F64F983A1" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CommodityMarginRiversideEnergyCenter" xlink:label="loc_cpn_CommodityMarginRiversideEnergyCenter_A768036490309BBFEBA75B2F64F952AB" xlink:type="locator"/>
<definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_cpn_CommodityMarginRiversideEnergyCenter_A768036490309BBFEBA75B2F64F952AB" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_NumberofSignificantCustomers" xlink:label="loc_cpn_NumberofSignificantCustomers_4E8E717E45FFBE39E3EE5B2F64FAE6C5" xlink:type="locator"/>
<definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_F61FDF01AD27655CC7555B2F64F7055B" xlink:to="loc_cpn_NumberofSignificantCustomers_4E8E717E45FFBE39E3EE5B2F64FAE6C5" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_941C9C9C4606C9B2F2206FA7CE74AB6A" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_78C97068C7D6F0BDCF1B6FA7CE721BEA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_941C9C9C4606C9B2F2206FA7CE74AB6A" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_78C97068C7D6F0BDCF1B6FA7CE721BEA" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_58D687177C1EA3130F4F6FA7CE726053" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_78C97068C7D6F0BDCF1B6FA7CE721BEA" xlink:to="loc_us-gaap_PlanNameAxis_58D687177C1EA3130F4F6FA7CE726053" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_7323C1FD22ED1C7915FA6FA7CE737113_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_58D687177C1EA3130F4F6FA7CE726053" xlink:to="loc_us-gaap_PlanNameDomain_7323C1FD22ED1C7915FA6FA7CE737113_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_7323C1FD22ED1C7915FA6FA7CE737113" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_58D687177C1EA3130F4F6FA7CE726053" xlink:to="loc_us-gaap_PlanNameDomain_7323C1FD22ED1C7915FA6FA7CE737113" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_DirectorPlanMember" xlink:label="loc_cpn_DirectorPlanMember_1264DE1A46DADBD3CBA56FA7CE736AD2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_7323C1FD22ED1C7915FA6FA7CE737113" xlink:to="loc_cpn_DirectorPlanMember_1264DE1A46DADBD3CBA56FA7CE736AD2" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_EquityPlanMember" xlink:label="loc_cpn_EquityPlanMember_4A60084797AD4EB576826FA7CE73904D" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_7323C1FD22ED1C7915FA6FA7CE737113" xlink:to="loc_cpn_EquityPlanMember_4A60084797AD4EB576826FA7CE73904D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_47B9CDD788CB862D85756FA7CE73285B" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_78C97068C7D6F0BDCF1B6FA7CE721BEA" xlink:to="loc_us-gaap_AwardTypeAxis_47B9CDD788CB862D85756FA7CE73285B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_051DA91F8C6B0AB531446FA7CE735D62_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_47B9CDD788CB862D85756FA7CE73285B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_051DA91F8C6B0AB531446FA7CE735D62_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_051DA91F8C6B0AB531446FA7CE735D62" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_47B9CDD788CB862D85756FA7CE73285B" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_051DA91F8C6B0AB531446FA7CE735D62" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_A38266D5855C158CA07A6FA7CE73AF42" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_051DA91F8C6B0AB531446FA7CE735D62" xlink:to="loc_us-gaap_RestrictedStockMember_A38266D5855C158CA07A6FA7CE73AF42" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="loc_us-gaap_PerformanceSharesMember_83D9EA8B23A9EF4191786FA7CE735598" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_051DA91F8C6B0AB531446FA7CE735D62" xlink:to="loc_us-gaap_PerformanceSharesMember_83D9EA8B23A9EF4191786FA7CE735598" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_43C6822B6256E188A4A96FA7CE7337B2" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_78C97068C7D6F0BDCF1B6FA7CE721BEA" xlink:to="loc_us-gaap_RangeAxis_43C6822B6256E188A4A96FA7CE7337B2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_32788CE48CB4F95D3CEC6FA7CE7415EA_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_43C6822B6256E188A4A96FA7CE7337B2" xlink:to="loc_us-gaap_RangeMember_32788CE48CB4F95D3CEC6FA7CE7415EA_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_32788CE48CB4F95D3CEC6FA7CE7415EA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_43C6822B6256E188A4A96FA7CE7337B2" xlink:to="loc_us-gaap_RangeMember_32788CE48CB4F95D3CEC6FA7CE7415EA" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_452BA2C457884196BE126FA7CE743C03" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_32788CE48CB4F95D3CEC6FA7CE7415EA" xlink:to="loc_us-gaap_MinimumMember_452BA2C457884196BE126FA7CE743C03" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_52E2BCE0E37A30AC1DBE6FA7CE74E7E1" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_32788CE48CB4F95D3CEC6FA7CE7415EA" xlink:to="loc_us-gaap_MaximumMember_52E2BCE0E37A30AC1DBE6FA7CE74E7E1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_BD8BFBA8042528E5E5986FA7CE745940" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_941C9C9C4606C9B2F2206FA7CE74AB6A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_BD8BFBA8042528E5E5986FA7CE745940" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_BFC7CDCA2C90CA070ADD6FA7CE7468D1" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_941C9C9C4606C9B2F2206FA7CE74AB6A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_BFC7CDCA2C90CA070ADD6FA7CE7468D1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_941C9C9C4606C9B2F2206FA7CE74AB6A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_EAEFB043F07B86DDDA786FA7CE7488AD" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_EAEFB043F07B86DDDA786FA7CE7488AD" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_9F4A081702D46D84CB546FA7CE75315A" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_9F4A081702D46D84CB546FA7CE75315A" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_547452840B70B3649B806FA7CE75F3C8" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_547452840B70B3649B806FA7CE75F3C8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_1F5DF0B6767A74B168D26FA7CE75214D" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_1F5DF0B6767A74B168D26FA7CE75214D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_2DE7D445583447B02BF76FA7CE75AC07" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_2DE7D445583447B02BF76FA7CE75AC07" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_613B1CFA8C0BEF9EB9606FA7CE753F65" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_613B1CFA8C0BEF9EB9606FA7CE753F65" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_372D15CE68EC3B6CB0FE6FA7CE75A31C" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_372D15CE68EC3B6CB0FE6FA7CE75A31C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_1A8C9C7C35ED8D7D77346FA7CE7A1041" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_1A8C9C7C35ED8D7D77346FA7CE7A1041" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_1CE3B82BCB3FE03C66206FA7CE7A43F3" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_1CE3B82BCB3FE03C66206FA7CE7A43F3" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_DCFF00C5AEA3D51909146FA7CE7A2C85" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_DCFF00C5AEA3D51909146FA7CE7A2C85" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_54796E3EDB4F58505A6E6FA7CE7BDB86" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_54796E3EDB4F58505A6E6FA7CE7BDB86" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_5F5CD136E9A76DC8DFC96FA7CE7B2731" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_5F5CD136E9A76DC8DFC96FA7CE7B2731" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_40D1FE0250678BD2CC156FA7CE7BC154" xlink:type="locator"/>
<definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_40D1FE0250678BD2CC156FA7CE7BC154" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_A37E9BDA2A5E068B51B16FA7CE7C9160" xlink:type="locator"/>
<definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_A37E9BDA2A5E068B51B16FA7CE7C9160" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_EC03E6F905C47778ECD16FA7CE7CE3A0" xlink:type="locator"/>
<definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_EC03E6F905C47778ECD16FA7CE7CE3A0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_DAF94AB12892106F51F26FA7CE7C7D53" xlink:type="locator"/>
<definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_DAF94AB12892106F51F26FA7CE7C7D53" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_C531088BBB5ABB71401A6FA7CE7CA29C" xlink:type="locator"/>
<definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_C531088BBB5ABB71401A6FA7CE7CA29C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_50D8336483D86B0FE8DE6FA7CE7C1DF5" xlink:type="locator"/>
<definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_50D8336483D86B0FE8DE6FA7CE7C1DF5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_38AEEDBE427D52F2F5426FA7CE7C78BE" xlink:type="locator"/>
<definitionArc order="23" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_38AEEDBE427D52F2F5426FA7CE7C78BE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_4F701667D7A5A577E0DD6FA7CE7C8F22" xlink:type="locator"/>
<definitionArc order="24" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_4F701667D7A5A577E0DD6FA7CE7C8F22" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_8E52FF8D892C373E500A6FA7CE7CEAED" xlink:type="locator"/>
<definitionArc order="25" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_8E52FF8D892C373E500A6FA7CE7CEAED" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_EEBA5407FD022A7E21706FA7CE7C40B2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_8E52FF8D892C373E500A6FA7CE7CEAED" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_EEBA5407FD022A7E21706FA7CE7C40B2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_496D1D88A1DFAF3254E76FA7CE7C8382" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_8E52FF8D892C373E500A6FA7CE7CEAED" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_496D1D88A1DFAF3254E76FA7CE7C8382" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_8EB3885E1314A0E890F36FA7CE7D9B49" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_8E52FF8D892C373E500A6FA7CE7CEAED" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_8EB3885E1314A0E890F36FA7CE7D9B49" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_04B6327C9F4F884E9DC56FA7CE7DA42D" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_8E52FF8D892C373E500A6FA7CE7CEAED" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_04B6327C9F4F884E9DC56FA7CE7DA42D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_7E417091820B352C49156FA7CE7D81FB" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_8E52FF8D892C373E500A6FA7CE7CEAED" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_7E417091820B352C49156FA7CE7D81FB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_67E31B95D04D305712806FA7CE7DDF1D" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_8E52FF8D892C373E500A6FA7CE7CEAED" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_67E31B95D04D305712806FA7CE7DDF1D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_7D4D8FAE4BE779D75F886FA7CE7D6143" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_8E52FF8D892C373E500A6FA7CE7CEAED" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_7D4D8FAE4BE779D75F886FA7CE7D6143" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_RestrictedStockAndStockUnitActivityAbstract" xlink:label="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_61825977EC0371AFA6E96FA7CE7D60A8" xlink:type="locator"/>
<definitionArc order="26" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_61825977EC0371AFA6E96FA7CE7D60A8" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_27F678E8107D9F89C3376FA7CE7DD811" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_61825977EC0371AFA6E96FA7CE7D60A8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_27F678E8107D9F89C3376FA7CE7DD811" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_9E1CF868268A88362F486FA7CE7DF77E" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_61825977EC0371AFA6E96FA7CE7D60A8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_9E1CF868268A88362F486FA7CE7DF77E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_0E348DE23B468872F07B6FA7CE7DA6A7" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_61825977EC0371AFA6E96FA7CE7D60A8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_0E348DE23B468872F07B6FA7CE7DA6A7" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_FAB43BE6CD5C381E26D16FA7CE7E3B10" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_61825977EC0371AFA6E96FA7CE7D60A8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_FAB43BE6CD5C381E26D16FA7CE7E3B10" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_54899CD4E06411764FB46FA7CE7E9983" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_61825977EC0371AFA6E96FA7CE7D60A8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_54899CD4E06411764FB46FA7CE7E9983" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_C3C3B9FFF7DE5E8948636FA7CE7EFF02" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_61825977EC0371AFA6E96FA7CE7D60A8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_C3C3B9FFF7DE5E8948636FA7CE7EFF02" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_868FE81AEAAE1503A5026FA7CE7E359E" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_61825977EC0371AFA6E96FA7CE7D60A8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_868FE81AEAAE1503A5026FA7CE7E359E" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_0F84FBDE8115AA85B32E6FA7CE7EC948" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_RestrictedStockAndStockUnitActivityAbstract_61825977EC0371AFA6E96FA7CE7D60A8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_0F84FBDE8115AA85B32E6FA7CE7EC948" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract" xlink:label="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_D2A9CA8CCCF2F8B49BD86FA7CE7EFAD5" xlink:type="locator"/>
<definitionArc order="27" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_600B423FEFC2BAA7AB536FA7CE744D29" xlink:to="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_D2A9CA8CCCF2F8B49BD86FA7CE7EFAD5" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_VestingPeriodForGradedAndCliffVestingOptionsMinimum" xlink:label="loc_cpn_VestingPeriodForGradedAndCliffVestingOptionsMinimum_BED5107CA1EDDE37935B6FA7CE7EFF26" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_D2A9CA8CCCF2F8B49BD86FA7CE7EFAD5" xlink:to="loc_cpn_VestingPeriodForGradedAndCliffVestingOptionsMinimum_BED5107CA1EDDE37935B6FA7CE7EFF26" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_VestingPeriodForGradedAndCliffVestingOptionsMaximum" xlink:label="loc_cpn_VestingPeriodForGradedAndCliffVestingOptionsMaximum_F6DAA2EDA97C792D29DA6FA7CE7F3865" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_D2A9CA8CCCF2F8B49BD86FA7CE7EFAD5" xlink:to="loc_cpn_VestingPeriodForGradedAndCliffVestingOptionsMaximum_F6DAA2EDA97C792D29DA6FA7CE7F3865" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationMinimumRange" xlink:label="loc_cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationMinimumRange_BDE04F9F1D7F93B4B2C86FA7CE7F92BD" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_D2A9CA8CCCF2F8B49BD86FA7CE7EFAD5" xlink:to="loc_cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationMinimumRange_BDE04F9F1D7F93B4B2C86FA7CE7F92BD" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationMaximumRange" xlink:label="loc_cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationMaximumRange_0972C6AB4B7C9D102FA16FA7CE7FEC6D" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_D2A9CA8CCCF2F8B49BD86FA7CE7EFAD5" xlink:to="loc_cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationMaximumRange_0972C6AB4B7C9D102FA16FA7CE7FEC6D" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedForDirectors" xlink:label="loc_cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedForDirectors_CD6A551EE4D5456B960B6FA7CE7F1586" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_D2A9CA8CCCF2F8B49BD86FA7CE7EFAD5" xlink:to="loc_cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedForDirectors_CD6A551EE4D5456B960B6FA7CE7F1586" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedForEmployees" xlink:label="loc_cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedForEmployees_7A60D594E84A81A5C13F6FA7CE7FE009" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_D2A9CA8CCCF2F8B49BD86FA7CE7EFAD5" xlink:to="loc_cpn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedForEmployees_7A60D594E84A81A5C13F6FA7CE7FE009" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:label="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_F4897315DF53E314E7876FA7CE7FAF77" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_D2A9CA8CCCF2F8B49BD86FA7CE7EFAD5" xlink:to="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_F4897315DF53E314E7876FA7CE7FAF77" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_VestTermOfFirstSubGrant" xlink:label="loc_cpn_VestTermOfFirstSubGrant_4A9273F66706DA7E7D8A6FA7CE7FF619" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_D2A9CA8CCCF2F8B49BD86FA7CE7EFAD5" xlink:to="loc_cpn_VestTermOfFirstSubGrant_4A9273F66706DA7E7D8A6FA7CE7FF619" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_VestTermOfSecondSubGrant" xlink:label="loc_cpn_VestTermOfSecondSubGrant_D31928D44F9030B7C4A16FA7CE7F7B9C" xlink:type="locator"/>
<definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_D2A9CA8CCCF2F8B49BD86FA7CE7EFAD5" xlink:to="loc_cpn_VestTermOfSecondSubGrant_D31928D44F9030B7C4A16FA7CE7F7B9C" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_VestTermOfThirdSubGrant" xlink:label="loc_cpn_VestTermOfThirdSubGrant_ADF7B13BE6596F5139666FA7CE7F393E" xlink:type="locator"/>
<definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_D2A9CA8CCCF2F8B49BD86FA7CE7EFAD5" xlink:to="loc_cpn_VestTermOfThirdSubGrant_ADF7B13BE6596F5139666FA7CE7F393E" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GrantsinOptionGrantswithThreeYearCliffVesting" xlink:label="loc_cpn_GrantsinOptionGrantswithThreeYearCliffVesting_5BA5686DD63CA73FE4636FA7CE7F96CB" xlink:type="locator"/>
<definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_D2A9CA8CCCF2F8B49BD86FA7CE7EFAD5" xlink:to="loc_cpn_GrantsinOptionGrantswithThreeYearCliffVesting_5BA5686DD63CA73FE4636FA7CE7F96CB" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_VestingTermOfOptionGrantsWithThreeYearCliffVesting" xlink:label="loc_cpn_VestingTermOfOptionGrantsWithThreeYearCliffVesting_2841520122EBEE5B26806FA7CE7FE56C" xlink:type="locator"/>
<definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextualsAbstract_D2A9CA8CCCF2F8B49BD86FA7CE7EFAD5" xlink:to="loc_cpn_VestingTermOfOptionGrantsWithThreeYearCliffVesting_2841520122EBEE5B26806FA7CE7FE56C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_2ED43CAB7C2DFC69A9186FA7CE80C94D" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_941C9C9C4606C9B2F2206FA7CE74AB6A" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_2ED43CAB7C2DFC69A9186FA7CE80C94D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions_C4542972C06141DE423C6FA7CE855729" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_941C9C9C4606C9B2F2206FA7CE74AB6A" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions_C4542972C06141DE423C6FA7CE855729" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_AllocatedShareBasedCompensationExpenseLiabilityClassifiedShareBasedAwards" xlink:label="loc_cpn_AllocatedShareBasedCompensationExpenseLiabilityClassifiedShareBasedAwards_E5BDC2E1FF803C9BA4196FA7CE85796F" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_941C9C9C4606C9B2F2206FA7CE74AB6A" xlink:to="loc_cpn_AllocatedShareBasedCompensationExpenseLiabilityClassifiedShareBasedAwards_E5BDC2E1FF803C9BA4196FA7CE85796F" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems_E2074D403AA53C07FB9461005385F49C" xlink:type="locator"/>
<loc xlink:href="cpn-20141231.xsd#cpn_SummaryOfSignificantAccountingPoliciesTable" xlink:label="loc_cpn_SummaryOfSignificantAccountingPoliciesTable_C0A3CBA67FD12A93DF15610053832089" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems_E2074D403AA53C07FB9461005385F49C" xlink:to="loc_cpn_SummaryOfSignificantAccountingPoliciesTable_C0A3CBA67FD12A93DF15610053832089" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_0A6996AC33CE60F816C2610053841A7C" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_SummaryOfSignificantAccountingPoliciesTable_C0A3CBA67FD12A93DF15610053832089" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_0A6996AC33CE60F816C2610053841A7C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_BFAB1E90E3E95325A76261005384B167_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_0A6996AC33CE60F816C2610053841A7C" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_BFAB1E90E3E95325A76261005384B167_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_BFAB1E90E3E95325A76261005384B167" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_0A6996AC33CE60F816C2610053841A7C" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_BFAB1E90E3E95325A76261005384B167" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLocationAxis" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLocationAxis_348A792345DBB866103A610053840E28" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_SummaryOfSignificantAccountingPoliciesTable_C0A3CBA67FD12A93DF15610053832089" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLocationAxis_348A792345DBB866103A610053840E28" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLocationDomain" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLocationDomain_A74CD09818B7E46E47B6610053840830_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLocationAxis_348A792345DBB866103A610053840E28" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLocationDomain_A74CD09818B7E46E47B6610053840830_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLocationDomain" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLocationDomain_A74CD09818B7E46E47B6610053840830" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLocationAxis_348A792345DBB866103A610053840E28" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLocationDomain_A74CD09818B7E46E47B6610053840830" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_4529CB320C46FF642CA3610053843DD1" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_SummaryOfSignificantAccountingPoliciesTable_C0A3CBA67FD12A93DF15610053832089" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_4529CB320C46FF642CA3610053843DD1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_F2C299CAD18C3E618EA46100538444B0_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_4529CB320C46FF642CA3610053843DD1" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_F2C299CAD18C3E618EA46100538444B0_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_F2C299CAD18C3E618EA46100538444B0" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_4529CB320C46FF642CA3610053843DD1" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_F2C299CAD18C3E618EA46100538444B0" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GreenfieldMember" xlink:label="loc_cpn_GreenfieldMember_3D20EAD04B0689062CAD6100538406ED" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_F2C299CAD18C3E618EA46100538444B0" xlink:to="loc_cpn_GreenfieldMember_3D20EAD04B0689062CAD6100538406ED" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_WhitbyMember" xlink:label="loc_cpn_WhitbyMember_E99582333F3AD1F054316100538498E2" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_F2C299CAD18C3E618EA46100538444B0" xlink:to="loc_cpn_WhitbyMember_E99582333F3AD1F054316100538498E2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_72A54F4C11A6A0EB04DA61005384B63B" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_SummaryOfSignificantAccountingPoliciesTable_C0A3CBA67FD12A93DF15610053832089" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_72A54F4C11A6A0EB04DA61005384B63B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_499993090E093791E0A7610053848CDA_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_72A54F4C11A6A0EB04DA61005384B63B" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_499993090E093791E0A7610053848CDA_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_499993090E093791E0A7610053848CDA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_72A54F4C11A6A0EB04DA61005384B63B" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_499993090E093791E0A7610053848CDA" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_DebtServiceMember" xlink:label="loc_cpn_DebtServiceMember_34DADAB82E9DDFF3044D610053849CD2" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_499993090E093791E0A7610053848CDA" xlink:to="loc_cpn_DebtServiceMember_34DADAB82E9DDFF3044D610053849CD2" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_RentReserveMember" xlink:label="loc_cpn_RentReserveMember_7DE82F6833B1FED80A0B61005384D8D8" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_499993090E093791E0A7610053848CDA" xlink:to="loc_cpn_RentReserveMember_7DE82F6833B1FED80A0B61005384D8D8" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_ConstructionMajorMaintenanceMember" xlink:label="loc_cpn_ConstructionMajorMaintenanceMember_5832CA7B40024322B835610053847C27" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_499993090E093791E0A7610053848CDA" xlink:to="loc_cpn_ConstructionMajorMaintenanceMember_5832CA7B40024322B835610053847C27" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_SecurityProjectInsuranceMember" xlink:label="loc_cpn_SecurityProjectInsuranceMember_7C535F70CF4E3C3D34286100538561D8" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_499993090E093791E0A7610053848CDA" xlink:to="loc_cpn_SecurityProjectInsuranceMember_7C535F70CF4E3C3D34286100538561D8" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_OtherRestrictedCashMember" xlink:label="loc_cpn_OtherRestrictedCashMember_792E57B08640A8BC9D1661005385FB0D" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_499993090E093791E0A7610053848CDA" xlink:to="loc_cpn_OtherRestrictedCashMember_792E57B08640A8BC9D1661005385FB0D" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantAxis" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantAxis_52926A80589D49529BBF61005385772B" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cpn_SummaryOfSignificantAccountingPoliciesTable_C0A3CBA67FD12A93DF15610053832089" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantAxis_52926A80589D49529BBF61005385772B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantDomain" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantDomain_CCF6B7BF1EA03B7081FB610053854A9B_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantAxis_52926A80589D49529BBF61005385772B" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantDomain_CCF6B7BF1EA03B7081FB610053854A9B_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantDomain" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantDomain_CCF6B7BF1EA03B7081FB610053854A9B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantAxis_52926A80589D49529BBF61005385772B" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantDomain_CCF6B7BF1EA03B7081FB610053854A9B" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_FreestoneEnergyCenterMember" xlink:label="loc_cpn_FreestoneEnergyCenterMember_B2ACE695A154A4892C5A610053855439" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantDomain_CCF6B7BF1EA03B7081FB610053854A9B" xlink:to="loc_cpn_FreestoneEnergyCenterMember_B2ACE695A154A4892C5A610053855439" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_HidalgoEnergyCenterMember" xlink:label="loc_cpn_HidalgoEnergyCenterMember_AC8DB708C64D7BEEF5CD61005385CAD0" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantDomain_CCF6B7BF1EA03B7081FB610053854A9B" xlink:to="loc_cpn_HidalgoEnergyCenterMember_AC8DB708C64D7BEEF5CD61005385CAD0" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_FDD30EE25F0A3D22BD5D610053850051" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems_E2074D403AA53C07FB9461005385F49C" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_FDD30EE25F0A3D22BD5D610053850051" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_AFAD57E2C642AF50444B61005385BB20" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems_E2074D403AA53C07FB9461005385F49C" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_AFAD57E2C642AF50444B61005385BB20" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalents" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_D6197A6940DFA6AD1B79610053850E9C" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems_E2074D403AA53C07FB9461005385F49C" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_D6197A6940DFA6AD1B79610053850E9C" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTextualsAbstract" xlink:label="loc_cpn_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTextualsAbstract_FC147D0C16A34090D5DB61005385DAF2" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems_E2074D403AA53C07FB9461005385F49C" xlink:to="loc_cpn_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTextualsAbstract_FC147D0C16A34090D5DB61005385DAF2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_41A372A0BB4054A0679C6100538679CA" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTextualsAbstract_FC147D0C16A34090D5DB61005385DAF2" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_41A372A0BB4054A0679C6100538679CA" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CashAndCashEquivalentsSubjectToProjectFinanceFacilitiesAndLeaseAgreements" xlink:label="loc_cpn_CashAndCashEquivalentsSubjectToProjectFinanceFacilitiesAndLeaseAgreements_DF56595A7AF4EA871E986100538612F5" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTextualsAbstract_FC147D0C16A34090D5DB61005385DAF2" xlink:to="loc_cpn_CashAndCashEquivalentsSubjectToProjectFinanceFacilitiesAndLeaseAgreements_DF56595A7AF4EA871E986100538612F5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentSalvageValuePercentage" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentSalvageValuePercentage_EE45DBE41F4E3F1B705B61005386D2F4" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTextualsAbstract_FC147D0C16A34090D5DB61005385DAF2" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentSalvageValuePercentage_EE45DBE41F4E3F1B705B61005386D2F4" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PropertyPlantAndEquipmentSalvageValuePercentageRotables" xlink:label="loc_cpn_PropertyPlantAndEquipmentSalvageValuePercentageRotables_6F8425392C3A01C0C1B5610053864B4B" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTextualsAbstract_FC147D0C16A34090D5DB61005385DAF2" xlink:to="loc_cpn_PropertyPlantAndEquipmentSalvageValuePercentageRotables_6F8425392C3A01C0C1B5610053864B4B" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_OspreyEnergyCenterAgreementTerm" xlink:label="loc_cpn_OspreyEnergyCenterAgreementTerm_E82F0929661FCC22B832610053865A44" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTextualsAbstract_FC147D0C16A34090D5DB61005385DAF2" xlink:to="loc_cpn_OspreyEnergyCenterAgreementTerm_E82F0929661FCC22B832610053865A44" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="loc_us-gaap_AssetImpairmentCharges_FFA90A2D50EDD333E60B610053863265" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTextualsAbstract_FC147D0C16A34090D5DB61005385DAF2" xlink:to="loc_us-gaap_AssetImpairmentCharges_FFA90A2D50EDD333E60B610053863265" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetRetirementObligation" xlink:label="loc_us-gaap_AssetRetirementObligation_9195F27F1C37248A445C61005386537B" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTextualsAbstract_FC147D0C16A34090D5DB61005385DAF2" xlink:to="loc_us-gaap_AssetRetirementObligation_9195F27F1C37248A445C61005386537B" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_JointlyOwnedPlantsAbstract" xlink:label="loc_cpn_JointlyOwnedPlantsAbstract_AC38B2FE31B4AA99CCE161005387D059" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems_E2074D403AA53C07FB9461005385F49C" xlink:to="loc_cpn_JointlyOwnedPlantsAbstract_AC38B2FE31B4AA99CCE161005387D059" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare_C3426608D75B9F4CDD0C61005387EA69" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_JointlyOwnedPlantsAbstract_AC38B2FE31B4AA99CCE161005387D059" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare_C3426608D75B9F4CDD0C61005387EA69" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService_3FDFB2F4810B42F31ECB61005387CC87" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_JointlyOwnedPlantsAbstract_AC38B2FE31B4AA99CCE161005387D059" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService_3FDFB2F4810B42F31ECB61005387CC87" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation_D293BD994B696AC216EC61005387F63C" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_JointlyOwnedPlantsAbstract_AC38B2FE31B4AA99CCE161005387D059" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation_D293BD994B696AC216EC61005387F63C" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress_AAC806BCAD66183B4BF7610053878D6F" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_JointlyOwnedPlantsAbstract_AC38B2FE31B4AA99CCE161005387D059" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress_AAC806BCAD66183B4BF7610053878D6F" 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"/>
<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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_A8BC563A7AEB5A99C0469A71A46E6954" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_C9F85B0DC7BA80BBBC4C9A71A46E2ED0" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_A8BC563A7AEB5A99C0469A71A46E6954" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_C9F85B0DC7BA80BBBC4C9A71A46E2ED0" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_F2A4F1D2AE198ED0C1CC9A71A46E29E4" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_C9F85B0DC7BA80BBBC4C9A71A46E2ED0" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_F2A4F1D2AE198ED0C1CC9A71A46E29E4" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_386E113C4AD989727D8E9A71A46EE85D_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_F2A4F1D2AE198ED0C1CC9A71A46E29E4" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_386E113C4AD989727D8E9A71A46EE85D_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_386E113C4AD989727D8E9A71A46EE85D" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_F2A4F1D2AE198ED0C1CC9A71A46E29E4" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_386E113C4AD989727D8E9A71A46EE85D" 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-20141231.xsd#cpn_IncomeLossFromUnconsolidatedInvestmentsInPowerPlantsAndDistributionsLineItems" xlink:label="loc_cpn_IncomeLossFromUnconsolidatedInvestmentsInPowerPlantsAndDistributionsLineItems_10A1DC58B89F52384B3518FACD42D09B" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_64B08646C2623FF0476718FACD42438F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_cpn_IncomeLossFromUnconsolidatedInvestmentsInPowerPlantsAndDistributionsLineItems_10A1DC58B89F52384B3518FACD42D09B" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_64B08646C2623FF0476718FACD42438F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_10D72DB2FD1D1836385718FACD427E94" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_64B08646C2623FF0476718FACD42438F" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_10D72DB2FD1D1836385718FACD427E94" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_D088E9ADA39B8B9D6D4018FACD42E150_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_10D72DB2FD1D1836385718FACD427E94" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_D088E9ADA39B8B9D6D4018FACD42E150_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_D088E9ADA39B8B9D6D4018FACD42E150" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_10D72DB2FD1D1836385718FACD427E94" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_D088E9ADA39B8B9D6D4018FACD42E150" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GreenfieldMember" xlink:label="loc_cpn_GreenfieldMember_3D27E7E1F07A2020AAD818FACD422F41" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_D088E9ADA39B8B9D6D4018FACD42E150" xlink:to="loc_cpn_GreenfieldMember_3D27E7E1F07A2020AAD818FACD422F41" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_WhitbyMember" xlink:label="loc_cpn_WhitbyMember_75150315AEDE19CE516D18FACD4222B2" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_D088E9ADA39B8B9D6D4018FACD42E150" xlink:to="loc_cpn_WhitbyMember_75150315AEDE19CE516D18FACD4222B2" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_D2E7F827D777EC54488F18FACD42F44E" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeLossFromUnconsolidatedInvestmentsInPowerPlantsAndDistributionsLineItems_10A1DC58B89F52384B3518FACD42D09B" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_D2E7F827D777EC54488F18FACD42F44E" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_DistributionsfromEquityMethodInvestments" xlink:label="loc_cpn_DistributionsfromEquityMethodInvestments_C66E4F76A58A9505447618FD74EE85BB" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_IncomeLossFromUnconsolidatedInvestmentsInPowerPlantsAndDistributionsLineItems_10A1DC58B89F52384B3518FACD42D09B" xlink:to="loc_cpn_DistributionsfromEquityMethodInvestments_C66E4F76A58A9505447618FD74EE85BB" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_710FFCC7EBD381F253729A71A26BC3D8" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_3C963F0A8F06809127AF9A71A26B8707" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_710FFCC7EBD381F253729A71A26BC3D8" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_3C963F0A8F06809127AF9A71A26B8707" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_D9A224DD6F2350325E179A71A26B23CF" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_3C963F0A8F06809127AF9A71A26B8707" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_D9A224DD6F2350325E179A71A26B23CF" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_A08F44BEC779C7F480029A71A26B6F46_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_D9A224DD6F2350325E179A71A26B23CF" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_A08F44BEC779C7F480029A71A26B6F46_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_A08F44BEC779C7F480029A71A26B6F46" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_D9A224DD6F2350325E179A71A26B23CF" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_A08F44BEC779C7F480029A71A26B6F46" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GreenfieldMember" xlink:label="loc_cpn_GreenfieldMember_EA22B25C5BF2F22A388E9A71A26BF563" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_A08F44BEC779C7F480029A71A26B6F46" xlink:to="loc_cpn_GreenfieldMember_EA22B25C5BF2F22A388E9A71A26BF563" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_WhitbyMember" xlink:label="loc_cpn_WhitbyMember_26CEDFC359E7C51D1DF79A71A26BC028" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_A08F44BEC779C7F480029A71A26B6F46" xlink:to="loc_cpn_WhitbyMember_26CEDFC359E7C51D1DF79A71A26BC028" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_EquityMethodInvestmentsIncludedOnBalanceSheetAbstract" xlink:label="loc_cpn_EquityMethodInvestmentsIncludedOnBalanceSheetAbstract_5FE8CA63665B7C4DA1CE9A71A26BEA67" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_710FFCC7EBD381F253729A71A26BC3D8" xlink:to="loc_cpn_EquityMethodInvestmentsIncludedOnBalanceSheetAbstract_5FE8CA63665B7C4DA1CE9A71A26BEA67" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_1493A437203B794F59249A71A26B9781" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_EquityMethodInvestmentsIncludedOnBalanceSheetAbstract_5FE8CA63665B7C4DA1CE9A71A26BEA67" xlink:to="loc_us-gaap_EquityMethodInvestments_1493A437203B794F59249A71A26B9781" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_7D7EF7C7439CB176A0FE9A71A26B1447" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cpn_EquityMethodInvestmentsIncludedOnBalanceSheetAbstract_5FE8CA63665B7C4DA1CE9A71A26BEA67" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_7D7EF7C7439CB176A0FE9A71A26B1447" 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/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_2C0F38C2450999FEF37A9A71A21D399F" xlink:type="locator"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_D1C549403285B67CA5029A71A21D4748" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_2C0F38C2450999FEF37A9A71A21D399F" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_D1C549403285B67CA5029A71A21D4748" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_3E496D401F7B555571A89A71A21D377B" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_D1C549403285B67CA5029A71A21D4748" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_3E496D401F7B555571A89A71A21D377B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_2F62FB10F2025402BB949A71A21DDEC1_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_3E496D401F7B555571A89A71A21D377B" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_2F62FB10F2025402BB949A71A21DDEC1_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_2F62FB10F2025402BB949A71A21DDEC1" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_3E496D401F7B555571A89A71A21D377B" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_2F62FB10F2025402BB949A71A21DDEC1" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_6BC773B2CCA9E8FED56F9A71A21D8E47" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_D1C549403285B67CA5029A71A21D4748" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_6BC773B2CCA9E8FED56F9A71A21D8E47" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_17D6B97BD37E30C275AC9A71A21D2811_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_6BC773B2CCA9E8FED56F9A71A21D8E47" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_17D6B97BD37E30C275AC9A71A21D2811_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_17D6B97BD37E30C275AC9A71A21D2811" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_6BC773B2CCA9E8FED56F9A71A21D8E47" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_17D6B97BD37E30C275AC9A71A21D2811" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_GreenfieldMember" xlink:label="loc_cpn_GreenfieldMember_EDF33631152331DCD5CE9A71A21D7BCD" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_17D6B97BD37E30C275AC9A71A21D2811" xlink:to="loc_cpn_GreenfieldMember_EDF33631152331DCD5CE9A71A21D7BCD" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_WhitbyMember" xlink:label="loc_cpn_WhitbyMember_BDE629DFFB00FE8DC44F9A71A21D0EAB" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_17D6B97BD37E30C275AC9A71A21D2811" xlink:to="loc_cpn_WhitbyMember_BDE629DFFB00FE8DC44F9A71A21D0EAB" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_6CBBAC11E475A1D399DA9A71A21D650B" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_D1C549403285B67CA5029A71A21D4748" xlink:to="loc_us-gaap_RangeAxis_6CBBAC11E475A1D399DA9A71A21D650B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_2F3A36BCC022D954A6459A71A21DEAA5_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_6CBBAC11E475A1D399DA9A71A21D650B" xlink:to="loc_us-gaap_RangeMember_2F3A36BCC022D954A6459A71A21DEAA5_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_2F3A36BCC022D954A6459A71A21DEAA5" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_6CBBAC11E475A1D399DA9A71A21D650B" xlink:to="loc_us-gaap_RangeMember_2F3A36BCC022D954A6459A71A21DEAA5" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_08CF9E4575589D6867069A71A21D79E9" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_2F3A36BCC022D954A6459A71A21DEAA5" xlink:to="loc_us-gaap_MinimumMember_08CF9E4575589D6867069A71A21D79E9" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_E8563CB8FF29237C5D849A71A21DDBEE" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_2F3A36BCC022D954A6459A71A21DEAA5" xlink:to="loc_us-gaap_MaximumMember_E8563CB8FF29237C5D849A71A21DDBEE" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:label="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_DF281180804C92116F929A71A21D7A7B" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_D1C549403285B67CA5029A71A21D4748" xlink:to="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_DF281180804C92116F929A71A21D7A7B" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_D54F501E4CDD7605CE0B9A71A21D48A6_default" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_DF281180804C92116F929A71A21D7A7B" xlink:to="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_D54F501E4CDD7605CE0B9A71A21D48A6_default" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_D54F501E4CDD7605CE0B9A71A21D48A6" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_DF281180804C92116F929A71A21D7A7B" xlink:to="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_D54F501E4CDD7605CE0B9A71A21D48A6" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_OmecMember" xlink:label="loc_cpn_OmecMember_77644C5A2B19911932679A71A21D5A4F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_D54F501E4CDD7605CE0B9A71A21D48A6" xlink:to="loc_cpn_OmecMember_77644C5A2B19911932679A71A21D5A4F" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_RussellCityEnergyMember" xlink:label="loc_cpn_RussellCityEnergyMember_A7CCE59E95C8FDAC7B959A71A21DC315" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_D54F501E4CDD7605CE0B9A71A21D48A6" xlink:to="loc_cpn_RussellCityEnergyMember_A7CCE59E95C8FDAC7B959A71A21DC315" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_InlandEmpireEnergyCenterMember" xlink:label="loc_cpn_InlandEmpireEnergyCenterMember_1A8D8109E3B6C6BE4C5A9A71A21D84C2" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_D54F501E4CDD7605CE0B9A71A21D48A6" xlink:to="loc_cpn_InlandEmpireEnergyCenterMember_1A8D8109E3B6C6BE4C5A9A71A21D84C2" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PowerGenerationCapacity" xlink:label="loc_cpn_PowerGenerationCapacity_D7E25BBFFD3AE5DB881A9A71A21D251F" xlink:type="locator"/>
<definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_2C0F38C2450999FEF37A9A71A21D399F" xlink:to="loc_cpn_PowerGenerationCapacity_D7E25BBFFD3AE5DB881A9A71A21D251F" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableInterestEntityFinancialOrOtherSupportAmount" xlink:label="loc_us-gaap_VariableInterestEntityFinancialOrOtherSupportAmount_2B533B267EEC6115AD049A71A21D2119" xlink:type="locator"/>
<definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_2C0F38C2450999FEF37A9A71A21D399F" xlink:to="loc_us-gaap_VariableInterestEntityFinancialOrOtherSupportAmount_2B533B267EEC6115AD049A71A21D2119" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_MinorityInterestOwnershipPercentageByNoncontrollingThirdPartyOwners" xlink:label="loc_cpn_MinorityInterestOwnershipPercentageByNoncontrollingThirdPartyOwners_2C4E492BC0736CDCAF7F9A71A21DF087" xlink:type="locator"/>
<definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_2C0F38C2450999FEF37A9A71A21D399F" xlink:to="loc_cpn_MinorityInterestOwnershipPercentageByNoncontrollingThirdPartyOwners_2C4E492BC0736CDCAF7F9A71A21DF087" xlink:type="arc"/>
<loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_E511E0FA0F42011423349A71A21D56DB" xlink:type="locator"/>
<definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_2C0F38C2450999FEF37A9A71A21D399F" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_E511E0FA0F42011423349A71A21D56DB" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_EquityMethodInvestmentSummarizedFinancialInformationDebt" xlink:label="loc_cpn_EquityMethodInvestmentSummarizedFinancialInformationDebt_AFCC714DC9EC315326579A71A21D7637" xlink:type="locator"/>
<definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_2C0F38C2450999FEF37A9A71A21D399F" xlink:to="loc_cpn_EquityMethodInvestmentSummarizedFinancialInformationDebt_AFCC714DC9EC315326579A71A21D7637" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_ProrataShareOfEquityMethodInvestmentSummarizedFinancialInformationDebt" xlink:label="loc_cpn_ProrataShareOfEquityMethodInvestmentSummarizedFinancialInformationDebt_0F87175F0004932D77839A71A21DD82A" xlink:type="locator"/>
<definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_2C0F38C2450999FEF37A9A71A21D399F" xlink:to="loc_cpn_ProrataShareOfEquityMethodInvestmentSummarizedFinancialInformationDebt_0F87175F0004932D77839A71A21DD82A" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_CallOptionExercisePeriod" xlink:label="loc_cpn_CallOptionExercisePeriod_B71EE518EEF6381002109A71A21D145D" xlink:type="locator"/>
<definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_2C0F38C2450999FEF37A9A71A21D399F" xlink:to="loc_cpn_CallOptionExercisePeriod_B71EE518EEF6381002109A71A21D145D" xlink:type="arc"/>
<loc xlink:href="cpn-20141231.xsd#cpn_PutOptionExercisePeriod" xlink:label="loc_cpn_PutOptionExercisePeriod_906ECBEF5C89B5B7184B9A71A21D3F32" xlink:type="locator"/>
<definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_2C0F38C2450999FEF37A9A71A21D399F" xlink:to="loc_cpn_PutOptionExercisePeriod_906ECBEF5C89B5B7184B9A71A21D3F32" xlink:type="arc"/>
</definitionLink>
</linkbase>

↑Top
Filing Submission 0000916457-15-000010   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
About — Privacy — Redactions — Help — Tue., May 7, 2:21:32.1pm ET