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  <xsd:element id="cppl_EstimatedAggregateAmountsOfMinimumFixedPaymentsOnPurchaseAndServiceObligationsTableTextBlock" name="EstimatedAggregateAmountsOfMinimumFixedPaymentsOnPurchaseAndServiceObligationsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
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  <xsd:element id="cppl_ExchangeGasReceivable" name="ExchangeGasReceivable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
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  <xsd:element id="cppl_ExpensesRecoveredAsComponentsOfCostOfServiceAndRegulatoryOrders" name="ExpensesRecoveredAsComponentsOfCostOfServiceAndRegulatoryOrders" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
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  <xsd:element id="cppl_GainonConveyancesCashReceived" name="GainonConveyancesCashReceived" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cppl_GainonSaleofAssetsTextBlock" name="GainonSaleofAssetsTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_GasStoredBaseGasMember" name="GasStoredBaseGasMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="cppl_GeneralPlantSoftwareandOtherAssetsMember" name="GeneralPlantSoftwareandOtherAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_GoodwillAndOtherIntangibleAssetsLineItems" name="GoodwillAndOtherIntangibleAssetsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
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  <xsd:element id="cppl_GuaranteeObligationsMaximumExposureYearThree" name="GuaranteeObligationsMaximumExposureYearThree" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
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  <xsd:element abstract="true" id="cppl_HardyStorageMember" name="HardyStorageMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="cppl_IncentiveDistributionRightsMember" name="IncentiveDistributionRightsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_IncomeFromUnconsolidatedAffiliates" name="IncomeFromUnconsolidatedAffiliates" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cppl_IncreaseDecreaseInDeferredChargesAndOtherNonCurrentAssets" name="IncreaseDecreaseInDeferredChargesAndOtherNonCurrentAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
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  <xsd:element id="cppl_IncreaseDecreaseInPrepaymentsAndOtherCurrentAssets" name="IncreaseDecreaseInPrepaymentsAndOtherCurrentAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
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  <xsd:element id="cppl_LimitedLiabilityCompanyLLCorLimitedPartnershipLPMembersorLimitedPartnersOwnershipInterestAdditionalOwnershipInterest" name="LimitedLiabilityCompanyLLCorLimitedPartnershipLPMembersorLimitedPartnersOwnershipInterestAdditionalOwnershipInterest" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_LineofCreditFacilityUsedForCorporatePurposes" name="LineofCreditFacilityUsedForCorporatePurposes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="cppl_MillenniumPipelineMember" name="MillenniumPipelineMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="cppl_MortgagesAssetBackedSecuritiesMember" name="MortgagesAssetBackedSecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_MutualFundsMember" name="MutualFundsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_NaturalGasMidstreamRevenueRelatedParty" name="NaturalGasMidstreamRevenueRelatedParty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cppl_NaturalGasStorageRevenueRelatedParties" name="NaturalGasStorageRevenueRelatedParties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_NatureOfOperationsAndSummaryOfSignificantAccountingPoliciesAbstract" name="NatureOfOperationsAndSummaryOfSignificantAccountingPoliciesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
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  <xsd:element id="cppl_NumberOfCounterpartiesEnteredIntoInterestRateSwapAgreement" name="NumberOfCounterpartiesEnteredIntoInterestRateSwapAgreement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_NumberOfNotesTranchesThroughPrivatePlacementIssuance" name="NumberOfNotesTranchesThroughPrivatePlacementIssuance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_OrderAxis" name="OrderAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
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  <xsd:element id="cppl_OtherChangesRecognizedInOtherComprehensiveIncomeOrRegulatoryAssetOrLiability" name="OtherChangesRecognizedInOtherComprehensiveIncomeOrRegulatoryAssetOrLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
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  <xsd:element id="cppl_OtherComprehensiveIncomeNetofTaxandTransactionAdjustments" name="OtherComprehensiveIncomeNetofTaxandTransactionAdjustments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cppl_OtherComprehensiveIncomeUnrecognizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" name="OtherComprehensiveIncomeUnrecognizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
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  <xsd:element id="cppl_OzoneLevelMaximum" name="OzoneLevelMaximum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_PartnersCapitalPredecessorNetLiabilitiesNotAssumedBySubsidiary" name="PartnersCapitalPredecessorNetLiabilitiesNotAssumedBySubsidiary" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cppl_PartnersEquityAndCashDistributionTextBlock" name="PartnersEquityAndCashDistributionTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_PaymentsofDistributionstoUnitholders" name="PaymentsofDistributionstoUnitholders" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
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  <xsd:element id="cppl_PercentageReductioninMethaneEmissions" name="PercentageReductioninMethaneEmissions" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
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  <xsd:element abstract="true" id="cppl_PipelineServiceAgreementsMember" name="PipelineServiceAgreementsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element id="cppl_ProceedsfromCollectionofPaymentstoFundShorttermLoanstoRelatedParties" name="ProceedsfromCollectionofPaymentstoFundShorttermLoanstoRelatedParties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cppl_ProceedsfromRepaymentsofShorttermDebttoRelatedParties" name="ProceedsfromRepaymentsofShorttermDebttoRelatedParties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="cppl_PurchaseAndServiceObligationsDomain" name="PurchaseAndServiceObligationsDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_PurchaseAndServiceObligationsMinimumFixedPaymentsDue" name="PurchaseAndServiceObligationsMinimumFixedPaymentsDue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cppl_PurchaseAndServiceObligationsMinimumFixedPaymentsDueCurrent" name="PurchaseAndServiceObligationsMinimumFixedPaymentsDueCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cppl_PurchaseAndServiceObligationsMinimumFixedPaymentsDueInFiveYears" name="PurchaseAndServiceObligationsMinimumFixedPaymentsDueInFiveYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cppl_PurchaseAndServiceObligationsMinimumFixedPaymentsDueInFourYears" name="PurchaseAndServiceObligationsMinimumFixedPaymentsDueInFourYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cppl_PurchaseAndServiceObligationsMinimumFixedPaymentsDueInThreeYears" name="PurchaseAndServiceObligationsMinimumFixedPaymentsDueInThreeYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cppl_PurchaseAndServiceObligationsMinimumFixedPaymentsDueInTwoYears" name="PurchaseAndServiceObligationsMinimumFixedPaymentsDueInTwoYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cppl_PurchaseAndServiceObligationsMinimumFixedPaymentsDueThereafter" name="PurchaseAndServiceObligationsMinimumFixedPaymentsDueThereafter" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cppl_PurchaseAndServiceObligationsTable" name="PurchaseAndServiceObligationsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="cppl_RateTypeDomain" name="RateTypeDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="cppl_ReasonsBehindDifferencesInComputationOfTotalIncomeTaxesAxis" name="ReasonsBehindDifferencesInComputationOfTotalIncomeTaxesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_ReasonsBehindDifferencesInComputationOfTotalIncomeTaxesDomain" name="ReasonsBehindDifferencesInComputationOfTotalIncomeTaxesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_ReceivablesAndPayablesMember" name="ReceivablesAndPayablesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_RegulatoryAssetsandLiabilitiesMember" name="RegulatoryAssetsandLiabilitiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_RegulatoryEffectsOfAccountingForIncomeTaxesMember" name="RegulatoryEffectsOfAccountingForIncomeTaxesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_RegulatoryMattersLineItems" name="RegulatoryMattersLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_RegulatoryTreatmentOfAfducEquity" name="RegulatoryTreatmentOfAfducEquity" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_RegulatoryTreatmentOfAfudcEquity" name="RegulatoryTreatmentOfAfudcEquity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cppl_ReimbursementofPreformationCapital" name="ReimbursementofPreformationCapital" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cppl_ReplacementYears" name="ReplacementYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_RequiredAnnualCapitalMaintenanceExpenditure" name="RequiredAnnualCapitalMaintenanceExpenditure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cppl_ScheduleOfAssumptionsUsedToCalculateNetPeriodicBenefitsCostTableTextBlock" name="ScheduleOfAssumptionsUsedToCalculateNetPeriodicBenefitsCostTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_ScheduleOfEarningsPerUnitLineItems" name="ScheduleOfEarningsPerUnitLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_ScheduleOfEarningsPerUnitTable" name="ScheduleOfEarningsPerUnitTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_ScheduleOfFairValueAndChangesInFairValueOfPensionPlanAssetsTableTextBlock" name="ScheduleOfFairValueAndChangesInFairValueOfPensionPlanAssetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_ScheduleOfFutureMinimumLeasePaymentsRequiredUnderOperatingAndCapitalLeasesTableTextBlock" name="ScheduleOfFutureMinimumLeasePaymentsRequiredUnderOperatingAndCapitalLeasesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_ScheduleOfIncomeTaxExpenseBenefitLineItems" name="ScheduleOfIncomeTaxExpenseBenefitLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_ScheduleOfIncomeTaxExpenseBenefitTable" name="ScheduleOfIncomeTaxExpenseBenefitTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_ScheduleOfOtherNetLineItems" name="ScheduleOfOtherNetLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_ScheduleOfOtherNetTable" name="ScheduleOfOtherNetTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_ScheduleOfReasonsBehindDifferencesInComputationOfTotalIncomeTaxesLineItems" name="ScheduleOfReasonsBehindDifferencesInComputationOfTotalIncomeTaxesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_ScheduleOfReasonsBehindDifferencesInComputationOfTotalIncomeTaxesTable" name="ScheduleOfReasonsBehindDifferencesInComputationOfTotalIncomeTaxesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_ScheduleOfRegulatoryMattersByGasDistributionAndOperationsTable" name="ScheduleOfRegulatoryMattersByGasDistributionAndOperationsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_ScheduleofAFUDCDebtandEquityRatesLineItems" name="ScheduleofAFUDCDebtandEquityRatesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_ScheduleofAFUDCDebtandEquityRatesTable" name="ScheduleofAFUDCDebtandEquityRatesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_ScheduleofAFUDCDebtandEquityRatesTableTextBlock" name="ScheduleofAFUDCDebtandEquityRatesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_ScheduleofDepreciationRatesTableTextBlock" name="ScheduleofDepreciationRatesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_ScheduleofPrincipalComponentsofNetTaxExpenseTableLineItems" name="ScheduleofPrincipalComponentsofNetTaxExpenseTableLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_ScheduleofPrincipalComponentsofNetTaxExpenseTableTable" name="ScheduleofPrincipalComponentsofNetTaxExpenseTableTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_ScheduleofRelatedPartyTransactionsLongTermDebtLineItems" name="ScheduleofRelatedPartyTransactionsLongTermDebtLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_ScheduleofRelatedPartyTransactionsLongTermDebtTable" name="ScheduleofRelatedPartyTransactionsLongTermDebtTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_ScheduleofRelatedPartyTransactionsLongTermDebtTableTextBlock" name="ScheduleofRelatedPartyTransactionsLongTermDebtTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_SecondMember" name="SecondMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_ShortTermBorrowingsRelatedParties" name="ShortTermBorrowingsRelatedParties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cppl_ShortTermMoneyMarketsMember" name="ShortTermMoneyMarketsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_StorageFacilitiesMember" name="StorageFacilitiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_SubordinatedUnitsMember" name="SubordinatedUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_SubordinationPeriodEndPercentage" name="SubordinationPeriodEndPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_SupplementalCashFlowLineItems" name="SupplementalCashFlowLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_SupplementalCashflowTable" name="SupplementalCashflowTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_TestPeriodAxis" name="TestPeriodAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_TestPeriodDomain" name="TestPeriodDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_ThirdMember" name="ThirdMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_TimingAxis" name="TimingAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_TimingDomain" name="TimingDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_TotalCapitalCostRecoveryMechanismOverFiveYearTerm" name="TotalCapitalCostRecoveryMechanismOverFiveYearTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cppl_TransportationandStorageServicesMember" name="TransportationandStorageServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_UnitedStatesEquitiesMember" name="UnitedStatesEquitiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_UnitedStatesMultiStrategyMember" name="UnitedStatesMultiStrategyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_UnrealizedGainLossOnDerivativesAmortizationPeriod" name="UnrealizedGainLossOnDerivativesAmortizationPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_UnrecognizedPensionBenefitAndOtherPostretirementBenefitCostsMember" name="UnrecognizedPensionBenefitAndOtherPostretirementBenefitCostsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_UtilitiesOperatingExpenseMaintenanceandOperationsRelatedParties" name="UtilitiesOperatingExpenseMaintenanceandOperationsRelatedParties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cppl_VariableInterestEntitiesAndEquityInvestmentsAbstract" name="VariableInterestEntitiesAndEquityInvestmentsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cppl_VariableInterestEntitiesAndEquityInvestmentsTextBlock" name="VariableInterestEntitiesAndEquityInvestmentsTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
</xsd:schema>
