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  <xsd:element id="amsc_CashCashEquivalentsAndMarketableSecurities" name="CashCashEquivalentsAndMarketableSecurities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="amsc_ComtrafoIndustriaDeTransformadoresEletricosSAMember" name="ComtrafoIndustriaDeTransformadoresEletricosSAMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_ConnecticutTaxAuthorityMember" name="ConnecticutTaxAuthorityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_ContractWithCustomerAssetDeferredProgramCostsChangeInContractCosts" name="ContractWithCustomerAssetDeferredProgramCostsChangeInContractCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="amsc_ContractWithCustomerAssetDeferredProgramCostsContractCostsRecognized" name="ContractWithCustomerAssetDeferredProgramCostsContractCostsRecognized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="amsc_ContractWithCustomerAssetDeferredProgramCostsIncreaseDecreaseForContractAcquiredInBusinessCombination" name="ContractWithCustomerAssetDeferredProgramCostsIncreaseDecreaseForContractAcquiredInBusinessCombination" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="amsc_ContractWithCustomerAssetDeferredProgramCostsNet" name="ContractWithCustomerAssetDeferredProgramCostsNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="amsc_ContractWithCustomerAssetDeferredProgramCostsOtherChanges" name="ContractWithCustomerAssetDeferredProgramCostsOtherChanges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="amsc_ContractWithCustomerAssetUnbilledARChangeInTimeFramePerformanceObligationSatisfiedRevenueRecognized" name="ContractWithCustomerAssetUnbilledARChangeInTimeFramePerformanceObligationSatisfiedRevenueRecognized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="amsc_ContractWithCustomerAssetUnbilledARNet" name="ContractWithCustomerAssetUnbilledARNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="amsc_ContractWithCustomerAssetUnbilledAROtherChanges" name="ContractWithCustomerAssetUnbilledAROtherChanges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="amsc_ContractWithCustomerAssetUnbilledARRevenueRecognized" name="ContractWithCustomerAssetUnbilledARRevenueRecognized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="amsc_ContractWithCustomerAssetUnbilledArIncreaseDecreaseForContractAcquiredInBusinessCombination" name="ContractWithCustomerAssetUnbilledArIncreaseDecreaseForContractAcquiredInBusinessCombination" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="amsc_ContractWithCustomerLiabilityOtherChanges" name="ContractWithCustomerLiabilityOtherChanges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="amsc_ContractWithCustomerPaymentTerm" name="ContractWithCustomerPaymentTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_CoreTechnologyAndKnowhowMember" name="CoreTechnologyAndKnowhowMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_DeferredIncomeTaxAssetsLiabilitiesNet" name="DeferredIncomeTaxAssetsLiabilitiesNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="amsc_DeferredTaxAssetsCapitalizedResearchAndDevelopment" name="DeferredTaxAssetsCapitalizedResearchAndDevelopment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="amsc_DeferredTaxAssetsFixedAssetsAndIntangibleAssets" name="DeferredTaxAssetsFixedAssetsAndIntangibleAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="amsc_DeferredTaxLiabilitiesAmortization" name="DeferredTaxLiabilitiesAmortization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="amsc_DefinedContributionPlanCompanyContributionPercentageMatchCommonStock" name="DefinedContributionPlanCompanyContributionPercentageMatchCommonStock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_DefinedContributionPlanPercentageOfFirstEligibleEmployeeContributionMatchedByEmployer" name="DefinedContributionPlanPercentageOfFirstEligibleEmployeeContributionMatchedByEmployer" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_DocumentAndEntityInformation" name="DocumentAndEntityInformation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_EffectiveIncomeTaxRateReconciliation162MPercent" name="EffectiveIncomeTaxRateReconciliation162MPercent" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_EffectiveIncomeTaxRateReconciliationFairValueAdjustmentForContingentLiabilityPercent" name="EffectiveIncomeTaxRateReconciliationFairValueAdjustmentForContingentLiabilityPercent" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExcessOfficerCompensationPercent" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExcessOfficerCompensationPercent" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseTransactionCostsPercent" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseTransactionCostsPercent" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_EffectiveIncomeTaxRateReconciliationTaxCreditResearchPercent1" name="EffectiveIncomeTaxRateReconciliationTaxCreditResearchPercent1" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_EffectiveIncomeTaxRateReconciliationTrueUpOfNetOperatingLossPercentage" name="EffectiveIncomeTaxRateReconciliationTrueUpOfNetOperatingLossPercentage" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_EffectiveIncomeTaxRateReconciliationWithholdingTaxPercent" name="EffectiveIncomeTaxRateReconciliationWithholdingTaxPercent" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_EffectiveIncomeTaxReconciliationMarkToMarketAdjustmentOnContingentConsiderationPercentage" name="EffectiveIncomeTaxReconciliationMarkToMarketAdjustmentOnContingentConsiderationPercentage" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_EmployeeStockPurchasePlanMember" name="EmployeeStockPurchasePlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_EquipmentAndSoftwareMember" name="EquipmentAndSoftwareMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_ExtendedServiceWarrantyTerm" name="ExtendedServiceWarrantyTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_ExtendedWarrantyTriggerPeriod" name="ExtendedWarrantyTriggerPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignExchangeImpact" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignExchangeImpact" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_FujiBridexPteLtdMember" name="FujiBridexPteLtdMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_GridMember" name="GridMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_HeldTransactionsMember" name="HeldTransactionsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_ImmediatelyVestedCommonStockMember" name="ImmediatelyVestedCommonStockMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_IncreaseDecreaseInNoncashIncomeTaxBenefitRegardingValuationAllowance" name="IncreaseDecreaseInNoncashIncomeTaxBenefitRegardingValuationAllowance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_InnomoticsLlcMember" name="InnomoticsLlcMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_InoxWindLimitedMember" name="InoxWindLimitedMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_InventoryForLongtermContractsOrProgramsNetOfReserves" name="InventoryForLongtermContractsOrProgramsNetOfReserves" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="amsc_IrvingShipbuildingMember" name="IrvingShipbuildingMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_MeasurementInputEbitdaContinuousRiskPremiumMember" name="MeasurementInputEbitdaContinuousRiskPremiumMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_MeasurementInputEbitdaDiscountRateMember" name="MeasurementInputEbitdaDiscountRateMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_MeasurementInputEbitdaVolatilityMember" name="MeasurementInputEbitdaVolatilityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_MeasurementInputPaymentDelayMember" name="MeasurementInputPaymentDelayMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_MeasurementInputRevenueRiskPremiumMember" name="MeasurementInputRevenueRiskPremiumMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_MeasurementInputRevenueVolatilityMember" name="MeasurementInputRevenueVolatilityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_MegatranAcquisitionMember" name="MegatranAcquisitionMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_MegatranMember" name="MegatranMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_NWLPacificIncCoLtdMember" name="NWLPacificIncCoLtdMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_NationalAgencyForFiscalAdministrationOfRomaniaMember" name="NationalAgencyForFiscalAdministrationOfRomaniaMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_NationalRevenueAdministrationOfPolandMember" name="NationalRevenueAdministrationOfPolandMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_NortheastPowerSystemsIncNEPSIMember" name="NortheastPowerSystemsIncNEPSIMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_NoteToFinancialStatementDetailsTextual" name="NoteToFinancialStatementDetailsTextual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_NotesToFinancialStatements" name="NotesToFinancialStatements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_NotesToFinancialStatementsAbstract" name="NotesToFinancialStatementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_OperatingAndFinanceLeaseRightofuseAsset" name="OperatingAndFinanceLeaseRightofuseAsset" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="amsc_OperatingAndFinancingLeaseLiabilities" name="OperatingAndFinancingLeaseLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="amsc_OperatingLossCarryforwardsIndefinite" name="OperatingLossCarryforwardsIndefinite" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="amsc_OtherForeignTaxAuthorityMember" name="OtherForeignTaxAuthorityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_OtherStateTaxAuthoritiesMember" name="OtherStateTaxAuthoritiesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_OtherTaxCreditCarryforwardsMember" name="OtherTaxCreditCarryforwardsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_PaymentsForRegistrationOfCommonStockShares" name="PaymentsForRegistrationOfCommonStockShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_PennsylvaniaTaxAuthorityMember" name="PennsylvaniaTaxAuthorityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_PerformancebasedRestrictedStockMember" name="PerformancebasedRestrictedStockMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_PolicyTable" name="PolicyTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_ProceedsFromEquityOfferings" name="ProceedsFromEquityOfferings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="amsc_ProceedsFromStockOptionsAndStockPlanExercised" name="ProceedsFromStockOptionsAndStockPlanExercised" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="amsc_PropertyPlantAndEquipmentUsefulLifeTableTextBlock" name="PropertyPlantAndEquipmentUsefulLifeTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_RevenuePerformanceObligationSatisfiedRevenueRecognizedPercentage" name="RevenuePerformanceObligationSatisfiedRevenueRecognizedPercentage" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_RisksAndUncertaintiesPolicyTextBlock" name="RisksAndUncertaintiesPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_SaleOfProductMember" name="SaleOfProductMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_ScheduleOfIncomeTaxesPaidTableTextBlock" name="ScheduleOfIncomeTaxesPaidTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodGrantDateFairValue" name="SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="amsc_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_SharesTiedToDerivativeLiabilityMember" name="SharesTiedToDerivativeLiabilityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_ShelfRegistrationMaximumAmountToBeSold" name="ShelfRegistrationMaximumAmountToBeSold" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="amsc_ShorttermCashInstrumentsMember" name="ShorttermCashInstrumentsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_StockIssuedDuringPeriodSharesContingentConsideration" name="StockIssuedDuringPeriodSharesContingentConsideration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_StockIssuedDuringPeriodSharesEquityOffering" name="StockIssuedDuringPeriodSharesEquityOffering" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_StockIssuedDuringPeriodValueContingentConsideration" name="StockIssuedDuringPeriodValueContingentConsideration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="amsc_StockIssuedDuringPeriodValueEquityOffering" name="StockIssuedDuringPeriodValueEquityOffering" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_The2007DirectorPlanMember" name="The2007DirectorPlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_The2007PlanMember" name="The2007PlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_The2022StockIncentivePlanMember" name="The2022StockIncentivePlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_ThreePriorDebtAgreementsMember" name="ThreePriorDebtAgreementsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="amsc_WarrantyPeriod" name="WarrantyPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_WindMember" name="WindMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-10-intangible-assets-expected-future-amortization-expense-details" name="statement-statement-note-10-intangible-assets-expected-future-amortization-expense-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-10-intangible-assets-intangible-assets-details" name="statement-statement-note-10-intangible-assets-intangible-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-10-intangible-assets-tables" name="statement-statement-note-10-intangible-assets-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-11-equitymethod-investments-schedule-of-equity-method-investment-summarized-financial-information-details" name="statement-statement-note-11-equitymethod-investments-schedule-of-equity-method-investment-summarized-financial-information-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-11-equitymethod-investments-tables" name="statement-statement-note-11-equitymethod-investments-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-12-accounts-payable-and-accrued-expenses-product-warranty-activity-details" name="statement-statement-note-12-accounts-payable-and-accrued-expenses-product-warranty-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-12-accounts-payable-and-accrued-expenses-summary-of-accounts-payable-and-accrued-expenses-details" name="statement-statement-note-12-accounts-payable-and-accrued-expenses-summary-of-accounts-payable-and-accrued-expenses-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-12-accounts-payable-and-accrued-expenses-tables" name="statement-statement-note-12-accounts-payable-and-accrued-expenses-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-13-contingent-consideration-summary-of-the-key-assumptions-used-to-calculate-fair-value-of-warrants-details" name="statement-statement-note-13-contingent-consideration-summary-of-the-key-assumptions-used-to-calculate-fair-value-of-warrants-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-13-contingent-consideration-tables" name="statement-statement-note-13-contingent-consideration-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-14-income-taxes-components-of-income-tax-expense-benefit-details" name="statement-statement-note-14-income-taxes-components-of-income-tax-expense-benefit-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-14-income-taxes-deferred-tax-assets-and-liabilities-details" name="statement-statement-note-14-income-taxes-deferred-tax-assets-and-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-14-income-taxes-income-loss-before-income-tax-expense-details" name="statement-statement-note-14-income-taxes-income-loss-before-income-tax-expense-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-14-income-taxes-income-tax-rate-reconciliation-details" name="statement-statement-note-14-income-taxes-income-tax-rate-reconciliation-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-14-income-taxes-schedule-of-income-taxes-paid-details" name="statement-statement-note-14-income-taxes-schedule-of-income-taxes-paid-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-14-income-taxes-tables" name="statement-statement-note-14-income-taxes-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-16-leases-lease-cost-details" name="statement-statement-note-16-leases-lease-cost-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-16-leases-minimum-future-lease-obligation-details" name="statement-statement-note-16-leases-minimum-future-lease-obligation-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-16-leases-operating-lease-assets-and-liabilities-details" name="statement-statement-note-16-leases-operating-lease-assets-and-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-16-leases-tables" name="statement-statement-note-16-leases-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-17-stockholders-equity-components-of-employee-stockbased-compensation-details" name="statement-statement-note-17-stockholders-equity-components-of-employee-stockbased-compensation-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-17-stockholders-equity-options-activities-details" name="statement-statement-note-17-stockholders-equity-options-activities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-17-stockholders-equity-restricted-stock-activity-details" name="statement-statement-note-17-stockholders-equity-restricted-stock-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-17-stockholders-equity-stockbased-compensation-expense-by-financial-statement-line-item-2-details" name="statement-statement-note-17-stockholders-equity-stockbased-compensation-expense-by-financial-statement-line-item-2-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-17-stockholders-equity-stockbased-compensation-expense-by-financial-statement-line-item-details" name="statement-statement-note-17-stockholders-equity-stockbased-compensation-expense-by-financial-statement-line-item-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-17-stockholders-equity-tables" name="statement-statement-note-17-stockholders-equity-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-17-stockholders-equity-weighted-average-assumptions-used-in-the-black-scholes-valuation-model-details" name="statement-statement-note-17-stockholders-equity-weighted-average-assumptions-used-in-the-black-scholes-valuation-model-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-2-acquisition-assets-acquired-and-liabilities-assumed-details" name="statement-statement-note-2-acquisition-assets-acquired-and-liabilities-assumed-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-2-acquisition-pro-forma-information-details" name="statement-statement-note-2-acquisition-pro-forma-information-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-2-acquisition-schedule-of-business-acquisitions-details" name="statement-statement-note-2-acquisition-schedule-of-business-acquisitions-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-2-acquisition-schedule-of-business-acquisitions-details-parentheticals" name="statement-statement-note-2-acquisition-schedule-of-business-acquisitions-details-parentheticals" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-2-acquisition-tables" name="statement-statement-note-2-acquisition-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-20-business-segments-geographic-information-about-property-plant-and-equipment-associated-with-particular-regions-details" name="statement-statement-note-20-business-segments-geographic-information-about-property-plant-and-equipment-associated-with-particular-regions-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-20-business-segments-operating-results-for-business-segments-details" name="statement-statement-note-20-business-segments-operating-results-for-business-segments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-20-business-segments-tables" name="statement-statement-note-20-business-segments-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-20-business-segments-total-business-segments-assets-details" name="statement-statement-note-20-business-segments-total-business-segments-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-3-summary-of-significant-accounting-policies-property-plant-and-equipment-useful-life-details" name="statement-statement-note-3-summary-of-significant-accounting-policies-property-plant-and-equipment-useful-life-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-3-summary-of-significant-accounting-policies-reconciliation-of-numerators-and-denominators-of-eps-calculation-details" name="statement-statement-note-3-summary-of-significant-accounting-policies-reconciliation-of-numerators-and-denominators-of-eps-calculation-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-3-summary-of-significant-accounting-policies-tables" name="statement-statement-note-3-summary-of-significant-accounting-policies-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-4-revenue-recognition-contract-assets-and-liabilities-details" name="statement-statement-note-4-revenue-recognition-contract-assets-and-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-4-revenue-recognition-disaggregation-of-revenue-details" name="statement-statement-note-4-revenue-recognition-disaggregation-of-revenue-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-4-revenue-recognition-revenues-by-major-customers-details" name="statement-statement-note-4-revenue-recognition-revenues-by-major-customers-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-4-revenue-recognition-tables" name="statement-statement-note-4-revenue-recognition-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-5-goodwill-schedule-of-goodwill-details" name="statement-statement-note-5-goodwill-schedule-of-goodwill-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-5-goodwill-tables" name="statement-statement-note-5-goodwill-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-6-fair-value-measurements-assets-and-liabilities-carried-at-fair-value-on-a-recurring-basis-details" name="statement-statement-note-6-fair-value-measurements-assets-and-liabilities-carried-at-fair-value-on-a-recurring-basis-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-6-fair-value-measurements-derivative-liability-measured-at-fair-value-details" name="statement-statement-note-6-fair-value-measurements-derivative-liability-measured-at-fair-value-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-6-fair-value-measurements-tables" name="statement-statement-note-6-fair-value-measurements-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-7-accounts-receivable-summary-of-accounts-receivable-details" name="statement-statement-note-7-accounts-receivable-summary-of-accounts-receivable-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-7-accounts-receivable-tables" name="statement-statement-note-7-accounts-receivable-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-8-inventory-summary-of-net-inventory-details" name="statement-statement-note-8-inventory-summary-of-net-inventory-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-8-inventory-tables" name="statement-statement-note-8-inventory-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-9-property-plant-and-equipment-cost-and-accumulated-depreciation-of-property-and-equipment-details" name="statement-statement-note-9-property-plant-and-equipment-cost-and-accumulated-depreciation-of-property-and-equipment-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-note-9-property-plant-and-equipment-tables" name="statement-statement-note-9-property-plant-and-equipment-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="amsc_statement-statement-significant-accounting-policies-policies" name="statement-statement-significant-accounting-policies-policies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>
