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  <xs:element id="ora_DebtConversionTermsOnePriorToMarch152030Member" abstract="true" name="DebtConversionTermsOnePriorToMarch152030Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_DebtConversionTermsOneOnOrAfterMarch152030Member" abstract="true" name="DebtConversionTermsOneOnOrAfterMarch152030Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_DebtConversionTermsTwoMember" abstract="true" name="DebtConversionTermsTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_DebtConversionTermsThreeMember" abstract="true" name="DebtConversionTermsThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_ReductionOfUnamortizedDebtIssuanceExpense" abstract="false" name="ReductionOfUnamortizedDebtIssuanceExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ora_ConvertibleSeniorNotesDue2031Member" abstract="true" name="ConvertibleSeniorNotesDue2031Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_LongTermDebtGrossCurrentMaturities" abstract="false" name="LongTermDebtGrossCurrentMaturities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ora_LongTermDebtGrossExcludingCurrentMaturities" abstract="false" name="LongTermDebtGrossExcludingCurrentMaturities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ora_InnergexRenewablesUSALLCMember" abstract="true" name="InnergexRenewablesUSALLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_CyrqEnergyMember" abstract="true" name="CyrqEnergyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_StorageMember" abstract="true" name="StorageMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_BusinessCombinationPowerGenerationCapacityMegawatts" abstract="false" name="BusinessCombinationPowerGenerationCapacityMegawatts" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:powerItemType"/>
  <xs:element id="ora_BusinessCombinationPowerGenerationStorageCapacityMinimumMegawatts" abstract="false" name="BusinessCombinationPowerGenerationStorageCapacityMinimumMegawatts" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:powerItemType"/>
  <xs:element id="ora_BusinessCombinationPowerGenerationStorageCapacityMaximumMegawatts" abstract="false" name="BusinessCombinationPowerGenerationStorageCapacityMaximumMegawatts" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:powerItemType"/>
  <xs:element id="ora_BusinessCombinationFixedPricePowerPurchaseAgreementPeriod" abstract="false" name="BusinessCombinationFixedPricePowerPurchaseAgreementPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivablesAndOthers" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivablesAndOthers" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentAndConstructionInProcess" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentAndConstructionInProcess" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUse" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUse" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayableAccruedExpensesAndOthers" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayableAccruedExpensesAndOthers" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAssetRetirementObligation" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAssetRetirementObligation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ora_GeosystemsIncSageMember" abstract="true" name="GeosystemsIncSageMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_EquityMethodInvestmentEquityExchangeForFutureServices" abstract="false" name="EquityMethodInvestmentEquityExchangeForFutureServices" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ora_TOPP2PowerPlantMember" abstract="true" name="TOPP2PowerPlantMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_SettlementAgreementMember" abstract="true" name="SettlementAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_LossContingencyPurchaseAgreementReductionToTheCostOfGoodPurchased" abstract="false" name="LossContingencyPurchaseAgreementReductionToTheCostOfGoodPurchased" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ora_Pomona1BatteryEnergyStorageFacilityMember" abstract="true" name="Pomona1BatteryEnergyStorageFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_PrimaryCustomersMember" abstract="true" name="PrimaryCustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_KenyaPowerAndLightingCoLTDMember" abstract="true" name="KenyaPowerAndLightingCoLTDMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_ENEEEmpresaNacionalDeEnergiaElectricaMember" abstract="true" name="ENEEEmpresaNacionalDeEnergiaElectricaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_TotalReceivablesMember" abstract="true" name="TotalReceivablesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_NumberOfFinancialInstitutionsCashInvestment" abstract="false" name="NumberOfFinancialInstitutionsCashInvestment" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ora_AccountsReceivablePastDue" abstract="false" name="AccountsReceivablePastDue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ora_ProceedsOverdueAccountsReceivable" abstract="false" name="ProceedsOverdueAccountsReceivable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ora_SouthernCaliforniaPublicPowerAuthorityMember" abstract="true" name="SouthernCaliforniaPublicPowerAuthorityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_SierraPacificPowerCompanyAndNevadaPowerCompanyMember" abstract="true" name="SierraPacificPowerCompanyAndNevadaPowerCompanyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_IncomeGeneratedFromExpectedSaleOfTransferableProductionTaxCredits" abstract="false" name="IncomeGeneratedFromExpectedSaleOfTransferableProductionTaxCredits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ora_CurrencyForwardAndOptionContractsMember" abstract="true" name="CurrencyForwardAndOptionContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_CashCashEquivalentsAndRestrictedCashFairValueDisclosure" abstract="false" name="CashCashEquivalentsAndRestrictedCashFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ora_DerivativesCashCollateralDeposits" abstract="false" name="DerivativesCashCollateralDeposits" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ora_FixedRateLoansMember" abstract="true" name="FixedRateLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_VariableRateLoansMember" abstract="true" name="VariableRateLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_FinancingLiabilityFairValueDisclosure" abstract="false" name="FinancingLiabilityFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ora_PerformanceStockUnitsPSUsMember" abstract="true" name="PerformanceStockUnitsPSUsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_RestrictedStockUnitsRSUsAndPerformanceStockUnitsPSUsMember" abstract="true" name="RestrictedStockUnitsRSUsAndPerformanceStockUnitsPSUsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_The2018IncentiveCompensationPlanMember" abstract="true" name="The2018IncentiveCompensationPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_InterestExpenseSaleOfTaxBenefits" abstract="false" name="InterestExpenseSaleOfTaxBenefits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ora_A2027ConvertibleSeniorNotesMember" abstract="true" name="A2027ConvertibleSeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_ElectricitySegmentMember" abstract="true" name="ElectricitySegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_ProductSegmentMember" abstract="true" name="ProductSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_AccountedForUnderAsc606Member" abstract="true" name="AccountedForUnderAsc606Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ora_NumberOfSegmentAllocationOfOtherSegmentItems" abstract="false" name="NumberOfSegmentAllocationOfOtherSegmentItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ora_AronWillisMember" abstract="true" name="AronWillisMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
