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  <xsd:element abstract="true" id="cpn_EurodollarRateForAOneMonthInterestPeriodMember" name="EurodollarRateForAOneMonthInterestPeriodMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_FairValueAssetsMeasuredWithUnobservableInputsOnRecurringBasisGainLossIncludedInOperatingRevenue" name="FairValueAssetsMeasuredWithUnobservableInputsOnRecurringBasisGainLossIncludedInOperatingRevenue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cpn_FairValueAssetsMeasuredwithUnobservableInputsonRecurringBasisGainLossIncludedInFuelAndPurchasedEnergyExpense" name="FairValueAssetsMeasuredwithUnobservableInputsonRecurringBasisGainLossIncludedInFuelAndPurchasedEnergyExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cpn_FairValueInputsQuantitativeInformation" name="FairValueInputsQuantitativeInformation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cpn_FederalFundsEffectiveRateMember" name="FederalFundsEffectiveRateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_FinanceleaseexpenseTotal" name="FinanceleaseexpenseTotal" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cpn_FirstLienNotesTableTextBlock" name="FirstLienNotesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_FirstLienTermLoansTableTextBlock" name="FirstLienTermLoansTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_FirstPriorityLiensUnderPowerAndNaturalGasAgreements" name="FirstPriorityLiensUnderPowerAndNaturalGasAgreements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cpn_Firstpriorityliensunderinterestratehedginginstruments" name="Firstpriorityliensunderinterestratehedginginstruments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cpn_FutureLineofCreditFacilityMaximumBorrowingCapacity" name="FutureLineofCreditFacilityMaximumBorrowingCapacity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cpn_GarrisonEnergyCenterLLCMember" name="GarrisonEnergyCenterLLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_GarrisonEnergyCenterandRockGenEnergyLLCMember" name="GarrisonEnergyCenterandRockGenEnergyLLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_GeothermalPropertiesGross" name="GeothermalPropertiesGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cpn_GeothermalPropertiesGrossMember" name="GeothermalPropertiesGrossMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_GreenfieldMember" name="GreenfieldMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_IncomeLossFromUnconsolidatedInvestmentsInPowerPlantsAndDistributionsTableTextBlock" name="IncomeLossFromUnconsolidatedInvestmentsInPowerPlantsAndDistributionsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_InlandEmpireEnergyCenterMember" name="InlandEmpireEnergyCenterMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_LeaseCostLessorTableTextBlock" name="LeaseCostLessorTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_LesseOperatingLeaseLeaseNotyetCommenced" name="LesseOperatingLeaseLeaseNotyetCommenced" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cpn_LesseeandLessorLeasesTextBlock" name="LesseeandLessorLeasesTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_LettersOfCreditIssued" name="LettersOfCreditIssued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cpn_LettersOfCreditPostedByCounterparties" name="LettersOfCreditPostedByCounterparties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cpn_LettersofCreditIssuedandFirstPriorityLiensUnderPowerNaturalGasAndInterestRateHedgingInstruments" name="LettersofCreditIssuedandFirstPriorityLiensUnderPowerNaturalGasAndInterestRateHedgingInstruments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cpn_MarkToMarketCommodityActivityNetAndOtherRevenue" name="MarkToMarketCommodityActivityNetAndOtherRevenue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cpn_MarktoMarketGainLossonDerivativesIncludedinFuelandPurchasedEnergyExpense" name="MarktoMarketGainLossonDerivativesIncludedinFuelandPurchasedEnergyExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cpn_MarktoMarketGainLossonDerivativesincludedinOperatingRevenues" name="MarktoMarketGainLossonDerivativesincludedinOperatingRevenues" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_MaturityofOperatingLeaseLiabilitiesAbstract" name="MaturityofOperatingLeaseLiabilitiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_NaturalGasAndPowerPrepayments" name="NaturalGasAndPowerPrepayments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cpn_New2019FirstLienTermLoanMember" name="New2019FirstLienTermLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_NotesPayableOtherPayableexcludingCapitalLeasesMember" name="NotesPayableOtherPayableexcludingCapitalLeasesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_OmecMember" name="OmecMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_OperatingandFinanceLeasesAbstract" name="OperatingandFinanceLeasesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_OtherCorporateFacilitiesMember" name="OtherCorporateFacilitiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_OtherRestrictedCashMember" name="OtherRestrictedCashMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_OwnershipPercentageofDivestee" name="OwnershipPercentageofDivestee" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cpn_PercentageOfPrincipalAmountOfTermLoanToBePaidQuarterly" name="PercentageOfPrincipalAmountOfTermLoanToBePaidQuarterly" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_PhysicalPowerMember" name="PhysicalPowerMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_PlantTaxSettlementOffsetinPrepaidAssets" name="PlantTaxSettlementOffsetinPrepaidAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_PowerCongestionProductsMember" name="PowerCongestionProductsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_PowerGenerationCapacity" name="PowerGenerationCapacity" nillable="true" substitutionGroup="xbrli:item" type="num:powerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cpn_PowerMember" name="PowerMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_PowerplantssubjecttotollingcontractsAbstract" name="PowerplantssubjecttotollingcontractsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_PrimeRateorTheEurodollarRateForAOneMonthInterestPeriodMember" name="PrimeRateorTheEurodollarRateForAOneMonthInterestPeriodMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_PropertyPlantAndEquipmentGrossLessAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" name="PropertyPlantAndEquipmentGrossLessAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cpn_PropertySubjecttoFinanceLeaseMember" name="PropertySubjecttoFinanceLeaseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_ProrataShareOfEquityMethodInvestmentSummarizedFinancialInformationDebt" name="ProrataShareOfEquityMethodInvestmentSummarizedFinancialInformationDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cpn_PutOptionExercisePeriod" name="PutOptionExercisePeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="cpn_RealizedUnrealizedGainLossByInstrumentTableTextBlock" name="RealizedUnrealizedGainLossByInstrumentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_RevenuesRelatingtoLeasesandDerivativeInstrumentsMember" name="RevenuesRelatingtoLeasesandDerivativeInstrumentsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_RevenuesRelatingtoPhysicalorExecutoryContractsThirdPartyMember" name="RevenuesRelatingtoPhysicalorExecutoryContractsThirdPartyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_RockGenEnergyLLCMember" name="RockGenEnergyLLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_RussellCityandLosEsterosProjectDebtMember" name="RussellCityandLosEsterosProjectDebtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_ScheduleofFutureMinimumRentalPaymentsforOperatingLeasesAbstract" name="ScheduleofFutureMinimumRentalPaymentsforOperatingLeasesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_SecurityProjectInsuranceMember" name="SecurityProjectInsuranceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_SeniorUnsecuredNotes2023Member" name="SeniorUnsecuredNotes2023Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_SeniorUnsecuredNotes2024Member" name="SeniorUnsecuredNotes2024Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_SeniorUnsecuredNotes2025Member" name="SeniorUnsecuredNotes2025Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_SeniorUnsecuredNotesTableTextBlock" name="SeniorUnsecuredNotesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_SupplementalBalanceSheetInfoLesseeTableTextBlock" name="SupplementalBalanceSheetInfoLesseeTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_SupplementalCashFlowLesseeTableTextBlock" name="SupplementalCashFlowLesseeTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_SupplementalbalancesheetinformationAbstract" name="SupplementalbalancesheetinformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_TradeReceivablesSold" name="TradeReceivablesSold" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cpn_UnrecognizedTaxBenefitRelatedtoDeferredTaxAsset" name="UnrecognizedTaxBenefitRelatedtoDeferredTaxAsset" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cpn_UseOfCollateralAbstract" name="UseOfCollateralAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cpn_UseOfCollateralTextBlock" name="UseOfCollateralTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_UseOfCollateralTextualsAbstract" name="UseOfCollateralTextualsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_VariableInterestEntitiesAndUnconsolidatedInvestmentsAbstract" name="VariableInterestEntitiesAndUnconsolidatedInvestmentsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_VariousProjectFinancingFacilitiesMember" name="VariousProjectFinancingFacilitiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_WestMember" name="WestMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cpn_WhitbyMember" name="WhitbyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
</XBRL>
