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  <xsd:element id="csiq_NumberOfBoardMembers" name="NumberOfBoardMembers" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="csiq_OperatingLossCarryforwardsSubjectToExpiration" name="OperatingLossCarryforwardsSubjectToExpiration" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element name="OtherCountriesAmericaMember" id="csiq_OtherCountriesAmericaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherCountriesAsiaMember" id="csiq_OtherCountriesAsiaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherCountriesEuropeMember" id="csiq_OtherCountriesEuropeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherEquityMethodInvesteesMember" id="csiq_OtherEquityMethodInvesteesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherJurisdictionsMember" id="csiq_OtherJurisdictionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherNoncurrentAssetsAdjustment" id="csiq_OtherNoncurrentAssetsAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="csiq_PledgedAssetsNotSeparatelyReportedInventory" name="PledgedAssetsNotSeparatelyReportedInventory" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="csiq_PledgedAssetsNotSeparatelyReportedPropertyPlantAndEquipment" name="PledgedAssetsNotSeparatelyReportedPropertyPlantAndEquipment" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element name="PreferentialWithholdingTaxRate" id="csiq_PreferentialWithholdingTaxRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProductWarrantyAccrualRateForSalesOfSolarModules" id="csiq_ProductWarrantyAccrualRateForSalesOfSolarModules" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProjectAssetsAbstract" id="csiq_ProjectAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_ProjectAssetsImpairmentCharge" name="ProjectAssetsImpairmentCharge" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element name="ProjectAssetsPlantsAndLand" id="csiq_ProjectAssetsPlantsAndLand" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ProjectAssetsPlantsAndLandCapitalizedEPCAndOtherCost" id="csiq_ProjectAssetsPlantsAndLandCapitalizedEPCAndOtherCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="csiq_ProjectAssetsPlantsAndLandCurrentPortion" name="ProjectAssetsPlantsAndLandCurrentPortion" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="csiq_ProjectAssetsPlantsAndLandNonCurrentPortion" name="ProjectAssetsPlantsAndLandNonCurrentPortion" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element name="ProjectAssetsPolicyTextBlock" id="csiq_ProjectAssetsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PropertyPlantAndEquipmentExcludingConstructionInProgressNet" id="csiq_PropertyPlantAndEquipmentExcludingConstructionInProgressNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ScheduleOfCarryingValueOfFiniteLivedIntangibleAssetsTableTextBlock" id="csiq_ScheduleOfCarryingValueOfFiniteLivedIntangibleAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfInterestExpenseTableTextBlock" id="csiq_ScheduleOfInterestExpenseTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfProjectAssetsTableTextBlock" id="csiq_ScheduleOfProjectAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfPropertyPlantAndEquipmentComponentsTableTextBlock" id="csiq_ScheduleOfPropertyPlantAndEquipmentComponentsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SecuredShortTermDebt" id="csiq_SecuredShortTermDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsAfterExpirationOfSpecifiedDate" id="csiq_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsAfterExpirationOfSpecifiedDate" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_StandardProductWarrantyPeriod" name="StandardProductWarrantyPeriod" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element name="StockOptionsAndRestrictedStockUnitsMember" id="csiq_StockOptionsAndRestrictedStockUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ThresholdPercentageOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries" id="csiq_ThresholdPercentageOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_ValuationAllowancesAndReservesChargedToCostAndExpenseAndRecoveriesNet" name="ValuationAllowancesAndReservesChargedToCostAndExpenseAndRecoveriesNet" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element name="ValuationAllowancesAndReservesForeignExchangeEffect" id="csiq_ValuationAllowancesAndReservesForeignExchangeEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="WithholdingTaxRateOnDividendDistributedByForeignInvestmentEntities" id="csiq_WithholdingTaxRateOnDividendDistributedByForeignInvestmentEntities" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_AllowanceForOtherReceivablesMember" name="AllowanceForOtherReceivablesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_ProjectAssetsDisclosureTextBlock" name="ProjectAssetsDisclosureTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="csiq_ConvertibleNotesDisclosureAbstract" name="ConvertibleNotesDisclosureAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_ConvertibleNotesDisclosureTextBlock" name="ConvertibleNotesDisclosureTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="csiq_DeferredTaxAssetsRelatedToSaleOfProjectAssets" name="DeferredTaxAssetsRelatedToSaleOfProjectAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="csiq_SuzhouFinancialLeasingCoLtdMember" name="SuzhouFinancialLeasingCoLtdMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_StandardSolarModuleMember" name="StandardSolarModuleMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_PledgedAssetsNotSeparatelyReportedRestrictedCash" name="PledgedAssetsNotSeparatelyReportedRestrictedCash" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="csiq_PledgedEquityNotSeparatelyReported" name="PledgedEquityNotSeparatelyReported" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="csiq_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostsShareBasedAwardsOtherThanOptions" name="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostsShareBasedAwardsOtherThanOptions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="csiq_CanadianSolarUkProjectsLtdMember" name="CanadianSolarUkProjectsLtdMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_DerivativesAssetsCurrentMember" name="DerivativesAssetsCurrentMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_DerivativesLiabilitiesCurrentMember" name="DerivativesLiabilitiesCurrentMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_DeferredTaxAssetsFutureDeductibleExpenses" name="DeferredTaxAssetsFutureDeductibleExpenses" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="csiq_DecreaseOfNetAssets" name="DecreaseOfNetAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="csiq_PropertyAndEquipmentPurchaseCommitmentMember" name="PropertyAndEquipmentPurchaseCommitmentMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_DebtInstrumentInterestRateFloatingPercentage" name="DebtInstrumentInterestRateFloatingPercentage" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <xsd:element id="csiq_DebtSecuredByPropertyPlantAndEquipmentMember" name="DebtSecuredByPropertyPlantAndEquipmentMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_EquityIncomeLossFromSubsidiaries" name="EquityIncomeLossFromSubsidiaries" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="csiq_IncreaseDecreaseInValueAddedTaxReceivable" name="IncreaseDecreaseInValueAddedTaxReceivable" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="csiq_IncreaseDecreaseInLiabilityForUncertaintyInIncomeTaxes" name="IncreaseDecreaseInLiabilityForUncertaintyInIncomeTaxes" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="csiq_OtherOperatingIncomeExpensePolicyPolicyTextBlock" name="OtherOperatingIncomeExpensePolicyPolicyTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="csiq_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesInterestRateSwapNetOfTax" name="OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesInterestRateSwapNetOfTax" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="csiq_PledgedAssetsNotSeparatelyReportedAccountsReceivable" name="PledgedAssetsNotSeparatelyReportedAccountsReceivable" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="csiq_EffectiveIncomeTaxRateReconciliationPermanentDifferencePercent" name="EffectiveIncomeTaxRateReconciliationPermanentDifferencePercent" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="csiq_PaymentsForProceedsFromLoansToSubsidiaries" name="PaymentsForProceedsFromLoansToSubsidiaries" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="csiq_RecurrentEnergyGroupInc.Member" name="RecurrentEnergyGroupInc.Member" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_CanadianSolarInfrastructureFundIncMember" name="CanadianSolarInfrastructureFundIncMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_OMServiceMember" name="OMServiceMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_EffectiveIncomeTaxRateReconciliationTaxCreditsSubsidiary" name="EffectiveIncomeTaxRateReconciliationTaxCreditsSubsidiary" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="csiq_AssetManagementServiceMember" name="AssetManagementServiceMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_DeferredTaxAssetsInterestLimitation" name="DeferredTaxAssetsInterestLimitation" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="csiq_ShippingsAndHandlingCostPolicyPolicyTextBlock" name="ShippingsAndHandlingCostPolicyPolicyTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="csiq_MaterialAndWorkmanShipMember" name="MaterialAndWorkmanShipMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_LavraSolarHoldingS.a.Member" name="LavraSolarHoldingS.a.Member" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_InvestmentInSubsidiaries" name="InvestmentInSubsidiaries" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="csiq_PaymentsToAcquireSubsidiaries" name="PaymentsToAcquireSubsidiaries" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="csiq_UnrecognizedTaxStatueOfLimitationsExpirations" name="UnrecognizedTaxStatueOfLimitationsExpirations" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="csiq_ShortTermNotesPayable" name="ShortTermNotesPayable" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="csiq_LesseeLiabilityPaymentsDueYearTwo" name="LesseeLiabilityPaymentsDueYearTwo" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="csiq_LesseeLiabilityPaymentsDueNextTwelveMonths" name="LesseeLiabilityPaymentsDueNextTwelveMonths" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="csiq_LesseeLiabilityPaymentsDueYearThree" name="LesseeLiabilityPaymentsDueYearThree" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="csiq_LesseeLiabilityPaymentsDueYearFour" name="LesseeLiabilityPaymentsDueYearFour" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="csiq_LesseeLiabilityPaymentsDueYearFive" name="LesseeLiabilityPaymentsDueYearFive" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="csiq_LesseeLiabilityPaymentsDueAfterYearFive" name="LesseeLiabilityPaymentsDueAfterYearFive" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="csiq_LesseeLiabilityPaymentsDue" name="LesseeLiabilityPaymentsDue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="csiq_LesseeLiabilityUndiscountedExcessAmount" name="LesseeLiabilityUndiscountedExcessAmount" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="csiq_LeaseLiability" name="LeaseLiability" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="csiq_LeaseLiabilityCurrent" name="LeaseLiabilityCurrent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="csiq_LeaseLiabilityNoncurrent" name="LeaseLiabilityNoncurrent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="csiq_LeaseComponentsOfLeasesThatAreRecognizedOnBalanceSheetsTableTextBlock" name="LeaseComponentsOfLeasesThatAreRecognizedOnBalanceSheetsTableTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="csiq_ScheduleOfEffectiveInterestRatesTableTextBlock" name="ScheduleOfEffectiveInterestRatesTableTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="csiq_ProjectAssets" name="ProjectAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="csiq_NonCashOperatingLeaseExpenses" name="NonCashOperatingLeaseExpenses" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="csiq_InvestmentInAffiliates" name="InvestmentInAffiliates" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="csiq_ContractLiabilitiesOtherCurrentLiabilities" name="ContractLiabilitiesOtherCurrentLiabilities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="csiq_PaymentsToAcquireAffiliates" name="PaymentsToAcquireAffiliates" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="csiq_PaymentsForFinancingCashFlowsFromFinanceLease" name="PaymentsForFinancingCashFlowsFromFinanceLease" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="csiq_ProceedsFromIssuanceOfLongTermDebtOtherThanConvertibleDebt" name="ProceedsFromIssuanceOfLongTermDebtOtherThanConvertibleDebt" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="csiq_CsiSolarSegmentMember" name="CsiSolarSegmentMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_SeriesOfIndividuallyImmaterialCountriesMember" name="SeriesOfIndividuallyImmaterialCountriesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_EliminationsAndReconcilingItemsMember" name="EliminationsAndReconcilingItemsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_LongTermDebtOnProjectAssetsMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" name="LongTermDebtOnProjectAssetsMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="csiq_RightOfUseAssetsDisposedThroughEarlyTerminationOfOperatingLeasesInNonCashTransaction" name="RightOfUseAssetsDisposedThroughEarlyTerminationOfOperatingLeasesInNonCashTransaction" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="csiq_CanadianSolarNetherlandCooperativeUaMember" name="CanadianSolarNetherlandCooperativeUaMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_SolarModulesMember" name="SolarModulesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_BatteryStorageSolutionsMember" name="BatteryStorageSolutionsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_SolarSystemKitsProductMember" name="SolarSystemKitsProductMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_SolarOneUsAntidumpingCountervailingDutyAndSafeguardProceedingsMember" name="SolarOneUsAntidumpingCountervailingDutyAndSafeguardProceedingsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_SolarTwoUsAntidumpingCountervailingDutyAndSafeguardProceedingsMember" name="SolarTwoUsAntidumpingCountervailingDutyAndSafeguardProceedingsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="csiq_LossContingencyDutyRateAntiDumpingDutyOnCspvCellsImportedFromTaiwanOnOrAfterSpecificDate" name="LossContingencyDutyRateAntiDumpingDutyOnCspvCellsImportedFromTaiwanOnOrAfterSpecificDate" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="csiq_SaleLeasebackTransactionProceedsFinancingActivities" name="SaleLeasebackTransactionProceedsFinancingActivities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element name="ScheduleOfElectricityRevenueTableTextBlock" id="csiq_ScheduleOfElectricityRevenueTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IncreaseDecreaseInDepreciationExpense" id="csiq_IncreaseDecreaseInDepreciationExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ReCrimsonHoldingsLlcMember" id="csiq_ReCrimsonHoldingsLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="HorusSolarS.a.DeCapitalVariableHorusAndRecursosSolaresPvDeMxicoIiS.a.DeCapitalVariableRecursosMember" id="csiq_HorusSolarS.a.DeCapitalVariableHorusAndRecursosSolaresPvDeMxicoIiS.a.DeCapitalVariableRecursosMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CanadianSolarSpainSociedadLimitadaMember" id="csiq_CanadianSolarSpainSociedadLimitadaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CanadianSolarSunenergyJiaxingCo.LtdMember" id="csiq_CanadianSolarSunenergyJiaxingCo.LtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AmountOfPerformanceBasedEnergyIncentives" id="csiq_AmountOfPerformanceBasedEnergyIncentives" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="HorusSolarS.a.DeCapitalVariableMember" id="csiq_HorusSolarS.a.DeCapitalVariableMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="YanchengJiwaNewMaterialTechnologyCo.LtdMember" id="csiq_YanchengJiwaNewMaterialTechnologyCo.LtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EffectiveIncomeTaxRateReconciliationEffectOfTrueUp" id="csiq_EffectiveIncomeTaxRateReconciliationEffectOfTrueUp" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AdditionalAmountDrawnOfUnderBorrowing" id="csiq_AdditionalAmountDrawnOfUnderBorrowing" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AmountOfDevelopmentLoan" id="csiq_AmountOfDevelopmentLoan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="TotalAmountOfMatures" id="csiq_TotalAmountOfMatures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ShortTermNotePayableMember" id="csiq_ShortTermNotePayableMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CsiSolarTechnologyXiningCoLtdMember" id="csiq_CsiSolarTechnologyXiningCoLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CsiCellsSuqianCoLtdMember" id="csiq_CsiCellsSuqianCoLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CsiCellsYangzhouCoLtdMember" id="csiq_CsiCellsYangzhouCoLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PledgedAssetsNotSeparatelyReportedProjectAssets" id="csiq_PledgedAssetsNotSeparatelyReportedProjectAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PledgedAssetsSolarPowerSystems" id="csiq_PledgedAssetsSolarPowerSystems" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CanadianSolarSsesUsIncMember" id="csiq_CanadianSolarSsesUsIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RepaymentOfLoanFromSubsidiaries" id="csiq_RepaymentOfLoanFromSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="BatteryStorageProductsMember" id="csiq_BatteryStorageProductsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SolarPowerProjectsByEpcServicesMember" id="csiq_SolarPowerProjectsByEpcServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ProjectAssetsPlantsAndLandCapitalizedDevelopmentCosts" id="csiq_ProjectAssetsPlantsAndLandCapitalizedDevelopmentCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ShortTermBorrowingsOnProjectAssets" id="csiq_ShortTermBorrowingsOnProjectAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LongTermBorrowingsOnProjectAssets" id="csiq_LongTermBorrowingsOnProjectAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LoanFacilityMember" id="csiq_LoanFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SunmexRenovablesS.a.DeC.v.Member" id="csiq_SunmexRenovablesS.a.DeC.v.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TermLoanMember" id="csiq_TermLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BrazilianSubsidiariesMember" id="csiq_BrazilianSubsidiariesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FinancingFacilityMember" id="csiq_FinancingFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SuzhouFinancialLeasingCo.Ltd.Member" id="csiq_SuzhouFinancialLeasingCo.Ltd.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SolarProjectMember" id="csiq_SolarProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LandUseRightPolicyTextBlock" id="csiq_LandUseRightPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="OperatingLeaseRightOfUseAssetExcludingLandUseRights" id="csiq_OperatingLeaseRightOfUseAssetExcludingLandUseRights" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LandUseRightsNet" id="csiq_LandUseRightsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LesseeOperatingLeaseSupplementBalanceSheetInformationTableTextBlock" id="csiq_LesseeOperatingLeaseSupplementBalanceSheetInformationTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PledgedAssetsNotSeparatelyReportedLandUseRights" id="csiq_PledgedAssetsNotSeparatelyReportedLandUseRights" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CsiSolarCoLtdMember" id="csiq_CsiSolarCoLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InvestmentsInAffiliatesImpairmentCharge" id="csiq_InvestmentsInAffiliatesImpairmentCharge" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="AllowanceForWarrantyInsuranceReceivableMember" id="csiq_AllowanceForWarrantyInsuranceReceivableMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ProceedsFromSubsidiaryEquityOfferings" id="csiq_ProceedsFromSubsidiaryEquityOfferings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="BorrowingsAssumedByThirdPartiesWithProjectAssetSales" id="csiq_BorrowingsAssumedByThirdPartiesWithProjectAssetSales" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ProceedsFromSubsidiaryEquityOfferingsNetOfTransactionCosts" id="csiq_ProceedsFromSubsidiaryEquityOfferingsNetOfTransactionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="BlackRockMember" id="csiq_BlackRockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AdvancesFromCustomersPolicyTextBlock" id="csiq_AdvancesFromCustomersPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RecurrentEnergySegmentMember" id="csiq_RecurrentEnergySegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ContractLiabilitiesOtherNonCurrentLiabilities" id="csiq_ContractLiabilitiesOtherNonCurrentLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="GreenBondsMember" id="csiq_GreenBondsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NonRecourseProjectBondsMember" id="csiq_NonRecourseProjectBondsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TermLoanFacilityTwoMember" id="csiq_TermLoanFacilityTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Aurora01GkMember" id="csiq_Aurora01GkMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="UnsecuredCreditFacilityMember" id="csiq_UnsecuredCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SecuredCreditFacilityMember" id="csiq_SecuredCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NonRecourseProjectFinanceFacilityMember" id="csiq_NonRecourseProjectFinanceFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LingangFrontierCsiNewEnergyInvestmentFundLpMember" id="csiq_LingangFrontierCsiNewEnergyInvestmentFundLpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MarangatuHoldingS.aMember" id="csiq_MarangatuHoldingS.aMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PanatiHoldingS.a.Member" id="csiq_PanatiHoldingS.a.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="WithholdingIncomeTaxForUndistributedEarningsOfForeignSubsidiaries" id="csiq_WithholdingIncomeTaxForUndistributedEarningsOfForeignSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ShareIncentivePlan2006Member" id="csiq_ShareIncentivePlan2006Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CsiSolarEmployeeIncentivePlan2020Member" id="csiq_CsiSolarEmployeeIncentivePlan2020Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumSubscriptionAmountToEquityInterestInPartnership" id="csiq_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumSubscriptionAmountToEquityInterestInPartnership" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="EpcAndOthersMember" id="csiq_EpcAndOthersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RepaymentsOfFinanceLeaseObligation" id="csiq_RepaymentsOfFinanceLeaseObligation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="NoncontrollingInterestIncreaseFromSubsidiarySharesUnderEmployeeIncentivePlan" id="csiq_NoncontrollingInterestIncreaseFromSubsidiarySharesUnderEmployeeIncentivePlan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StandardProductWarrantyTerm" id="csiq_StandardProductWarrantyTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfUnitsHeldAsInvestments" id="csiq_NumberOfUnitsHeldAsInvestments" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="DomesticAndStateTaxAuthorityMember" id="csiq_DomesticAndStateTaxAuthorityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRateOnForeignEarningsPercent" id="csiq_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRateOnForeignEarningsPercent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AssetsLesseeAbstract" id="csiq_AssetsLesseeAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LiabilitiesLesseeAbstract" id="csiq_LiabilitiesLesseeAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RevenueGeneratedFromFinanceLease" id="csiq_RevenueGeneratedFromFinanceLease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AdvancesToSuppliersWarrantyInsuranceReceivableAndOtherReceivableMember" id="csiq_AdvancesToSuppliersWarrantyInsuranceReceivableAndOtherReceivableMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GreenBondsAndConvertibleDebtNoncurrent" id="csiq_GreenBondsAndConvertibleDebtNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SolarPowerAndBatteryEnergyStorageAssetSalesMember" id="csiq_SolarPowerAndBatteryEnergyStorageAssetSalesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PropertyPlantAndEquipmentGrossExcludingConstructionInProcess" id="csiq_PropertyPlantAndEquipmentGrossExcludingConstructionInProcess" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="RecurrentEnergyB.vMember" id="csiq_RecurrentEnergyB.vMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SolarPowerAndBatteryEnergyStorageSystemsPolicyPolicyTextBlock" id="csiq_SolarPowerAndBatteryEnergyStorageSystemsPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DerivativesAndForeignCurrencyRiskPolicyPolicyTextBlock" id="csiq_DerivativesAndForeignCurrencyRiskPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="BatteryEnergyStorageSystemsMember" id="csiq_BatteryEnergyStorageSystemsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SupplierOneMember" id="csiq_SupplierOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SupplierTwoMember" id="csiq_SupplierTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SupplierThreeMember" id="csiq_SupplierThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SolarPowerAndBatteryEnergyStorageSystemsNet" id="csiq_SolarPowerAndBatteryEnergyStorageSystemsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PermanentEquityNetIncomeLoss" id="csiq_PermanentEquityNetIncomeLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="TemporaryEquityCapitalContributionFromTaxEquityInvestorsInSubsidiaries" id="csiq_TemporaryEquityCapitalContributionFromTaxEquityInvestorsInSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="CanadianSolarUsModuleManufacturingCorporationMember" id="csiq_CanadianSolarUsModuleManufacturingCorporationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ReceivablesCreditLossExpenseReversal" id="csiq_ReceivablesCreditLossExpenseReversal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ImpairmentChargeOnSolarPowerSystems" id="csiq_ImpairmentChargeOnSolarPowerSystems" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PaymentsToAcquireSolarPowerAndBatteryEnergyStorageSystems" id="csiq_PaymentsToAcquireSolarPowerAndBatteryEnergyStorageSystems" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ProceedsFromIssuanceOfRedeemablePreferredStockNetOfTransactionCosts" id="csiq_ProceedsFromIssuanceOfRedeemablePreferredStockNetOfTransactionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CapitalContributionsFromTaxEquityInvestorsInSubsidiaries" id="csiq_CapitalContributionsFromTaxEquityInvestorsInSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ReclassificationOfProjectAssetsToSolarPowerAndBatteryEnergyStorageSystems" id="csiq_ReclassificationOfProjectAssetsToSolarPowerAndBatteryEnergyStorageSystems" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ReclassificationOfInventoriesToSolarPowerAndBatteryEnergyStorageSystems" id="csiq_ReclassificationOfInventoriesToSolarPowerAndBatteryEnergyStorageSystems" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NoncontrollingInterestDecreaseFromSubsidiaryShareRepurchase" id="csiq_NoncontrollingInterestDecreaseFromSubsidiaryShareRepurchase" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NumberOfMajorSuppliers" id="csiq_NumberOfMajorSuppliers" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="PerformanceGuaranteeAgainstPowerDegradationMember" id="csiq_PerformanceGuaranteeAgainstPowerDegradationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SolarPowerAndBatteryEnergyStorageSystemsDisclosureAbstract" id="csiq_SolarPowerAndBatteryEnergyStorageSystemsDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SolarPowerAndBatteryEnergyStorageSystemsDisclosureTextBlock" id="csiq_SolarPowerAndBatteryEnergyStorageSystemsDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ScheduleOfSolarPowerAndBatteryEnergyStorageSystemsComponentsTableTextBlock" id="csiq_ScheduleOfSolarPowerAndBatteryEnergyStorageSystemsComponentsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SolarPowerAndBatteryEnergyStorageSystemsGross" id="csiq_SolarPowerAndBatteryEnergyStorageSystemsGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="AccumulatedDepreciationDepletionAndAmortizationSolarPowerAndBatteryEnergyStorageSystems" id="csiq_AccumulatedDepreciationDepletionAndAmortizationSolarPowerAndBatteryEnergyStorageSystems" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SolarPowerAndBatteryEnergyStorageSystemsReclassifiedToProjectAssets" id="csiq_SolarPowerAndBatteryEnergyStorageSystemsReclassifiedToProjectAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DebtInstrumentRefinancingAmount" id="csiq_DebtInstrumentRefinancingAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DebtInstrumentPrincipalAmountDenominationForConversionIntoCommonStock" id="csiq_DebtInstrumentPrincipalAmountDenominationForConversionIntoCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="NewRevolvingCreditFacilityMember" id="csiq_NewRevolvingCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NewRevolvingCreditFacilityTrancheTwoMember" id="csiq_NewRevolvingCreditFacilityTrancheTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NewRevolvingCreditFacilityTrancheOneMember" id="csiq_NewRevolvingCreditFacilityTrancheOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DebtInstrumentTermExtensionPeriod" id="csiq_DebtInstrumentTermExtensionPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RedeemableNonControllingInterestsTextBlock" id="csiq_RedeemableNonControllingInterestsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="TemporaryEquityAccretionOfDividendsPercentage" id="csiq_TemporaryEquityAccretionOfDividendsPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="TemporaryEquityVotingRightsToAppointDirectorsNumberOfDirectors" id="csiq_TemporaryEquityVotingRightsToAppointDirectorsNumberOfDirectors" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="TemporaryEquityVotingRightsThresholdPercentageOfShareholders" id="csiq_TemporaryEquityVotingRightsThresholdPercentageOfShareholders" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="TemporaryEquityLiquidationPreferenceRatioToStatedValue" id="csiq_TemporaryEquityLiquidationPreferenceRatioToStatedValue" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ThresholdPeriodToCompleteBusinessCombination" id="csiq_ThresholdPeriodToCompleteBusinessCombination" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="OptionalRedemptionNoticePeriod" id="csiq_OptionalRedemptionNoticePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RevenueFromElectricityBatteryEnergyStorageOperationsAndOthersMember" id="csiq_RevenueFromElectricityBatteryEnergyStorageOperationsAndOthersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PowerServicesMember" id="csiq_PowerServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DebtInstrumentLoanFacilityMaturityAmount" id="csiq_DebtInstrumentLoanFacilityMaturityAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="NorthForkSolarProjectLlcMember" id="csiq_NorthForkSolarProjectLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ReGalliumLlcMember" id="csiq_ReGalliumLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InterestCostsCapitalizedAbstract" id="csiq_InterestCostsCapitalizedAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InterestCostsCapitalizedSolarPowerAndBatteryEnergyStorageSystems" id="csiq_InterestCostsCapitalizedSolarPowerAndBatteryEnergyStorageSystems" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CanadianSolarUsCellManufacturingCorporationMember" id="csiq_CanadianSolarUsCellManufacturingCorporationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NonRecourseConstructionAndTermLoanMember" id="csiq_NonRecourseConstructionAndTermLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BridgeLoansMember" id="csiq_BridgeLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BankBorrowingsMemberMember" id="csiq_BankBorrowingsMemberMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CanadianSolarHoldingsB.vMember" id="csiq_CanadianSolarHoldingsB.vMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LossContingencyCashDepositRateAntiDumpingDutyOnCspvCellsImportedFromThailandOnOrAfterSpecificDate" id="csiq_LossContingencyCashDepositRateAntiDumpingDutyOnCspvCellsImportedFromThailandOnOrAfterSpecificDate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SolarThreeUsAntidumpingCountervailingDutyAndSafeguardProceedingsMember" id="csiq_SolarThreeUsAntidumpingCountervailingDutyAndSafeguardProceedingsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LossContingencyCashDepositRateCountervailingDutyOnCspvCellsImportedFromThailandOnOrAfterSpecificDate" id="csiq_LossContingencyCashDepositRateCountervailingDutyOnCspvCellsImportedFromThailandOnOrAfterSpecificDate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="CsiSolarRestrictedShareIncentiveMember" id="csiq_CsiSolarRestrictedShareIncentiveMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardExtendedTermsOfAward" id="csiq_ShareBasedCompensationArrangementByShareBasedPaymentAwardExtendedTermsOfAward" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ConstructionCommitmentsMember" id="csiq_ConstructionCommitmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InterestCostsCapitalizedSolarPowerAndBatteryEnergyStorageSystemsNet" id="csiq_InterestCostsCapitalizedSolarPowerAndBatteryEnergyStorageSystemsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="SolarPowerAndBatteryEnergyStorageSystemsMember" id="csiq_SolarPowerAndBatteryEnergyStorageSystemsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SolarPowerAndBatteryEnergyStorageSystemsUnderConstructionMember" id="csiq_SolarPowerAndBatteryEnergyStorageSystemsUnderConstructionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FurnitureFixturesAndOfficeEquipmentMember" id="csiq_FurnitureFixturesAndOfficeEquipmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TurnkeyBatteryEnergyStorageSolutionsAndEpcServicesMember" id="csiq_TurnkeyBatteryEnergyStorageSolutionsAndEpcServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="VariableInterestEntityNumberOfEntitiesDeConsolidated" id="csiq_VariableInterestEntityNumberOfEntitiesDeConsolidated" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesAcquisitionOfNonControlling" id="csiq_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesAcquisitionOfNonControlling" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="OtherPrcSubsidiariesMember" id="csiq_OtherPrcSubsidiariesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PaymentsToAcquireInvestmentInBankTimeDepositsAndStructuredDeposits" id="csiq_PaymentsToAcquireInvestmentInBankTimeDepositsAndStructuredDeposits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="IncreaseDecreaseDividendReceivedFromSubsidiary" id="csiq_IncreaseDecreaseDividendReceivedFromSubsidiary" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="EquityIncomeLossFromSubsidiariesNet" id="csiq_EquityIncomeLossFromSubsidiariesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="GreenBondsAndConvertibleDebt" id="csiq_GreenBondsAndConvertibleDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="RecoursesSolaresPvDeMexicoIiS.a.DeCapitalVariableMember" id="csiq_RecoursesSolaresPvDeMexicoIiS.a.DeCapitalVariableMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RePapagoLlcAndPapagoBessClassBLlcMember" id="csiq_RePapagoLlcAndPapagoBessClassBLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
</xsd:schema>
