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  <xsd:element abstract="true" id="itri_CommitmentsAndContingenciesAbstract" name="CommitmentsAndContingenciesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_CommonStockMarketPrice" name="CommonStockMarketPrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ComponentsOfAccumulatedOtherComprehensiveIncomeLossAxis" name="ComponentsOfAccumulatedOtherComprehensiveIncomeLossAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ComponentsOfAccumulatedOtherComprehensiveIncomeLossDomain" name="ComponentsOfAccumulatedOtherComprehensiveIncomeLossDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ComputersAndPurchasedSoftware" name="ComputersAndPurchasedSoftware" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="itri_ConsignedInventoryAbstract" name="ConsignedInventoryAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="itri_ConsignedInventoryLineItems" name="ConsignedInventoryLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ConsignedInventoryMember" name="ConsignedInventoryMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ConsignedInventoryTable" name="ConsignedInventoryTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ConsolidatedStatementsOfOperationsAbstract" name="ConsolidatedStatementsOfOperationsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ConsolidatedStatementsOfShareholdersEquityAbstract" name="ConsolidatedStatementsOfShareholdersEquityAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ConvertibleDebtSettlementConsideration" name="ConvertibleDebtSettlementConsideration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ConvertibleSeniorSubordinatedNotesAbstract" name="ConvertibleSeniorSubordinatedNotesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_CoreDevelopedTechnologyMember" name="CoreDevelopedTechnologyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_CorrectiveActionsForSpecificCustomersWarrantyChargeTypeMember" name="CorrectiveActionsForSpecificCustomersWarrantyChargeTypeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_CreditFacilitiesMember" name="CreditFacilitiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_CreditFacilityAdditionalInformationAbstract" name="CreditFacilityAdditionalInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_CreditFacilityMember" name="CreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_CurrentIncomeTaxProvisionBenefitAbstract" name="CurrentIncomeTaxProvisionBenefitAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_CurrentPortionOfDebtMember" name="CurrentPortionOfDebtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_CurrentPortionOfWarranty" name="CurrentPortionOfWarranty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="itri_CustomerContractsAndRelationshipsMember" name="CustomerContractsAndRelationshipsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_DeferredIncomeTaxProvisionBenefitAbstract" name="DeferredIncomeTaxProvisionBenefitAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_DeferredTaxAssetsAndLiabilitiesTable" name="DeferredTaxAssetsAndLiabilitiesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_DeferredTaxAssetsDepreciationAndAmortization" name="DeferredTaxAssetsDepreciationAndAmortization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="itri_DeferredTaxLiabilitiesDepreciationAndAmortization" name="DeferredTaxLiabilitiesDepreciationAndAmortization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="itri_DefinedBenefitObligationBenefitsPaidMember" name="DefinedBenefitObligationBenefitsPaidMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_DefinedBenefitPensionPlansAbstract" name="DefinedBenefitPensionPlansAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_DefinedContributionBonusAndProfitSharingAbstract" name="DefinedContributionBonusAndProfitSharingAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_DepreciationAndAmortizationExpenseAssociatedWithSegmentsTableTextBlock" name="DepreciationAndAmortizationExpenseAssociatedWithSegmentsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_DepreciationExpenseAbstract" name="DepreciationExpenseAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="itri_DepreciationExpenseDomain" name="DepreciationExpenseDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_DepreciationExpenseLineItems" name="DepreciationExpenseLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="itri_DerivativeFinancialInstrumentsAbstract" name="DerivativeFinancialInstrumentsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_DocumentAndEntityInformation" name="DocumentAndEntityInformation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_EarningsPerShareAndCapitalStructureAbstract" name="EarningsPerShareAndCapitalStructureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_EffectOfChangeInExchangeRatesIntangibleAsset" name="EffectOfChangeInExchangeRatesIntangibleAsset" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="itri_EffectOfChangeInExchangeRatesOnRestructuringActivity" name="EffectOfChangeInExchangeRatesOnRestructuringActivity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_EffectOfChangeInExchangeRatesUnrecognizedTaxBenefit" name="EffectOfChangeInExchangeRatesUnrecognizedTaxBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="itri_EffectOfChangeInExchangeRatesWarranty" name="EffectOfChangeInExchangeRatesWarranty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="itri_EffectiveIncomeTaxRateReconciliationForeignBranchIncome" name="EffectiveIncomeTaxRateReconciliationForeignBranchIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="itri_Effectsofchangeinexchangerates" name="Effectsofchangeinexchangerates" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_EmployeeBenefitTypeAxis" name="EmployeeBenefitTypeAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_EmployeeStockPurchasePlanCompensationExpense" name="EmployeeStockPurchasePlanCompensationExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="itri_EntityWideRevenueMajorCustomerPercentage" name="EntityWideRevenueMajorCustomerPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_EstimatedFutureAnnualAmortizationExpenseTable" name="EstimatedFutureAnnualAmortizationExpenseTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_EstimatedNonconvertibleDebtBorrowingRate" name="EstimatedNonconvertibleDebtBorrowingRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="itri_EurDenominatedTermLoanMember" name="EurDenominatedTermLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_EuroDenominatedAaRatedCorporateBond" name="EuroDenominatedAaRatedCorporateBond" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_EuroTermLoanInterestRateSwapMember" name="EuroTermLoanInterestRateSwapMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ExcessTaxBenefitsFromEmployeeStockPlanExercises" name="ExcessTaxBenefitsFromEmployeeStockPlanExercises" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="itri_ExchangeOfDebtForCommonStockValue" name="ExchangeOfDebtForCommonStockValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ExpectedAnnulizedCostSavingsByEndOf2013Member" name="ExpectedAnnulizedCostSavingsByEndOf2013Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ExpectedCostSavingsIn2012Member" name="ExpectedCostSavingsIn2012Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ExpectedNumberOfManufacturingFacilitiesThatWillBeClosedOrSoldDueToRestructuringMember" name="ExpectedNumberOfManufacturingFacilitiesThatWillBeClosedOrSoldDueToRestructuringMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ExpectedPaymentInNextTwelveMonthsForUnrecognizedTaxBenefit" name="ExpectedPaymentInNextTwelveMonthsForUnrecognizedTaxBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="itri_ExtendedWarrantiesUnearnedRevenue" name="ExtendedWarrantiesUnearnedRevenue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="itri_ExtendedWarrantiesUnearnedRevenueCurrent" name="ExtendedWarrantiesUnearnedRevenueCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="itri_ExtendedWarrantiesUnearnedRevenueNew" name="ExtendedWarrantiesUnearnedRevenueNew" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="itri_ExtendedWarrantiesUnearnedRevenueNoncurrent" name="ExtendedWarrantiesUnearnedRevenueNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="itri_FairValueOfContingentAndDeferredConsiderationPayableForBusinessAcquisition" name="FairValueOfContingentAndDeferredConsiderationPayableForBusinessAcquisition" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_FairValueOfPlanAssetsBenefitsPaidMember" name="FairValueOfPlanAssetsBenefitsPaidMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_FairValuesOfAssetsHeldByPostretirementBenefitsPlansByAssetCategoryTableTextBlock" name="FairValuesOfAssetsHeldByPostretirementBenefitsPlansByAssetCategoryTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_FairValuesOfFinancialInstrumentsAbstract" name="FairValuesOfFinancialInstrumentsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_FirstQuarterMember" name="FirstQuarterMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_FirstTierForeignSubsidiariesMember" name="FirstTierForeignSubsidiariesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ForeignExchangeForwards" name="ForeignExchangeForwards" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="itri_ForeignExchangeForwardsLiability" name="ForeignExchangeForwardsLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="itri_FourthQuarterMember" name="FourthQuarterMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_FranceMember" name="FranceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_FutureMinimumLeasePaymentsAbstract" name="FutureMinimumLeasePaymentsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_GermanyMember" name="GermanyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_GlobalManufacturingLocationsMember" name="GlobalManufacturingLocationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_GoodwillAbstract" name="GoodwillAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_GoodwillExcludingNonGoodwillIntangiblesAbstract" name="GoodwillExcludingNonGoodwillIntangiblesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_GoodwillImpairmentAxis" name="GoodwillImpairmentAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_GoodwillImpairmentDomain" name="GoodwillImpairmentDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_GoodwillImpairmentTrueUpMember" name="GoodwillImpairmentTrueUpMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_GoodwillTransferredToOtherCurrentAssets" name="GoodwillTransferredToOtherCurrentAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_GoodwillWrittenOffRelatedToRestructuring" name="GoodwillWrittenOffRelatedToRestructuring" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="itri_HealthBenefitPlanCosts" name="HealthBenefitPlanCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="itri_HealthBenefitPlanCostsAndIncurredButNotReportedAccrualBalanceTableTextBlock" name="HealthBenefitPlanCostsAndIncurredButNotReportedAccrualBalanceTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ImpairedPropertyPlantAndEquipmentAxis" name="ImpairedPropertyPlantAndEquipmentAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ImpairmentOfPropertyPlantAndEquipmentDomain" name="ImpairmentOfPropertyPlantAndEquipmentDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_IncomeLossBeforeIncomeTaxesAbstract" name="IncomeLossBeforeIncomeTaxesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_IncomeTaxProvisionTable" name="IncomeTaxProvisionTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_IncomeTaxRateReconciliationTable" name="IncomeTaxRateReconciliationTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_IncomeTaxesAbstract" name="IncomeTaxesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_InducementLossOnExtinguishmentOfDebt" name="InducementLossOnExtinguishmentOfDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="itri_IntangibleAssetGrossAmountTransferredToHeldForSale" name="IntangibleAssetGrossAmountTransferredToHeldForSale" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="itri_IntangibleAssetNetAmountTransferredToHeldForSale" name="IntangibleAssetNetAmountTransferredToHeldForSale" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="itri_IntangibleAssetNoLongerInUseWrittenOff" name="IntangibleAssetNoLongerInUseWrittenOff" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_IntangibleAssetsAbstract" name="IntangibleAssetsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_IntangibleAssetsAcquiredDuringPeriod" name="IntangibleAssetsAcquiredDuringPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="itri_InterestExpenseRelatedToContractualInterestCouponAbstract" name="InterestExpenseRelatedToContractualInterestCouponAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="itri_InterestRateSwaps" name="InterestRateSwaps" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="itri_InterestRateTypeAxis" name="InterestRateTypeAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_InterestRateTypeDomain" name="InterestRateTypeDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_InterimGoodwillImpairmentChargeMember" name="InterimGoodwillImpairmentChargeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ItronInternationalElectricityMember" name="ItronInternationalElectricityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ItronInternationalMember" name="ItronInternationalMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ItronInternationalWaterMember" name="ItronInternationalWaterMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ItronNorthAmericaMember" name="ItronNorthAmericaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_LiborInterestRateMember" name="LiborInterestRateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_LineOfCreditBorrowed" name="LineOfCreditBorrowed" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_LineOfCreditFacilityBorrowerDomain" name="LineOfCreditFacilityBorrowerDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_LongLivedAssetsCarryingValueMember" name="LongLivedAssetsCarryingValueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_LongLivedAssetsHeldAndUsed" name="LongLivedAssetsHeldAndUsed" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="itri_LongLivedAssetsHeldAndUsedAndLongLivedAssetsHeldForSaleTableTextBlock" name="LongLivedAssetsHeldAndUsedAndLongLivedAssetsHeldForSaleTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_LongLivedAssetsHeldForSaleAndHeldAndUseAbstract" name="LongLivedAssetsHeldForSaleAndHeldAndUseAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_LongLivedAssetsHeldForSaleAndLongLivedAssetsHeldAndUsedAbstract" name="LongLivedAssetsHeldForSaleAndLongLivedAssetsHeldAndUsedAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_LongLivedAssetsHeldForSaleAndLongLivedAssetsHeldAndUsedNetCarryingValueAxis" name="LongLivedAssetsHeldForSaleAndLongLivedAssetsHeldAndUsedNetCarryingValueAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_LongTermPerformanceRestrictedStockAwardMember" name="LongTermPerformanceRestrictedStockAwardMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_LongTermRetainageContractDomain" name="LongTermRetainageContractDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_LongTermRetainageContractReceivablesAbstract" name="LongTermRetainageContractReceivablesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_LongTermRetainageContractReceivablesAxis" name="LongTermRetainageContractReceivablesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_LongTermRetainageContractReceivablesMember" name="LongTermRetainageContractReceivablesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_LongTermRetainageReceivablesBilledButNotYetPaidTable" name="LongTermRetainageReceivablesBilledButNotYetPaidTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_LongTermRetainageReceivablesLineItems" name="LongTermRetainageReceivablesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_LongTermUnbilledReceivablesAndLongTermBilledRetainage" name="LongTermUnbilledReceivablesAndLongTermBilledRetainage" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="itri_LongTermWarranty" name="LongTermWarranty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="itri_LongerDurationEuroDenominatedDefinedBenefitPlansMemberMember" name="LongerDurationEuroDenominatedDefinedBenefitPlansMemberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_LossOnExtinguishementOfDebt" name="LossOnExtinguishementOfDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="itri_LossOnExtinguishmentOfDebtNetPolicyTextBlock" name="LossOnExtinguishmentOfDebtNetPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_LossOnExtinguishmentOfDebtNoncashNet" name="LossOnExtinguishmentOfDebtNoncashNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_MachineryAndEquipmentComputersAndPurchasedSoftwareAndFurnitureMember" name="MachineryAndEquipmentComputersAndPurchasedSoftwareAndFurnitureMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_MachineryAndEquipmentComputersAndSoftwareMember" name="MachineryAndEquipmentComputersAndSoftwareMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_NetLossOnExtinguishementOfDebt" name="NetLossOnExtinguishementOfDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="itri_NetUnrealizedGainLossOnNonderivativeNetInvestmentHedgingInstrumentBeforeTax" name="NetUnrealizedGainLossOnNonderivativeNetInvestmentHedgingInstrumentBeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="itri_NetUnrealizedGainLossOnNonderivativeNetInvestmentHedgingInstrumentNet" name="NetUnrealizedGainLossOnNonderivativeNetInvestmentHedgingInstrumentNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="itri_NetUnrealizedGainLossOnNonderivativeNetInvestmentHedgingInstrumentTax" name="NetUnrealizedGainLossOnNonderivativeNetInvestmentHedgingInstrumentTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="itri_NetUnrealizedLossOnHedgingInstruments" name="NetUnrealizedLossOnHedgingInstruments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="itri_NonVotingStockMember" name="NonVotingStockMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_Note11IncomeTaxesAbstract" name="Note11IncomeTaxesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_NumberOfFiscalQuartersDuringWhichAverageClosingPricesOfOurCommonStockExceededConversionPriceAbstract" name="NumberOfFiscalQuartersDuringWhichAverageClosingPricesOfOurCommonStockExceededConversionPriceAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_NumberOfForeignExchangeForwardContracts" name="NumberOfForeignExchangeForwardContracts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_NumberOfInterestRateDerivativesExpired" name="NumberOfInterestRateDerivativesExpired" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="itri_NumberOfMajorCustomers" name="NumberOfMajorCustomers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_NumberOfManufacturingLocationsImpactedByRestructuring" name="NumberOfManufacturingLocationsImpactedByRestructuring" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_NumberOfMonthsCollectionIsNotAnticipatedForLongTermUnbilledAndRetainageContractReceivables" name="NumberOfMonthsCollectionIsNotAnticipatedForLongTermUnbilledAndRetainageContractReceivables" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="itri_NumberOfMonthsCurrentRetainageAmountsAndUnbilledReceivablesAreExpectedToBeCollected" name="NumberOfMonthsCurrentRetainageAmountsAndUnbilledReceivablesAreExpectedToBeCollected" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="itri_NumberOfMonthsLongTermUnbilledAndRetainageContractReceivablesAreExpectedToBeCollected" name="NumberOfMonthsLongTermUnbilledAndRetainageContractReceivablesAreExpectedToBeCollected" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="itri_NumberOfRights" name="NumberOfRights" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_OneHalfOfOnePercentOverWeightedAverageOfRates" name="OneHalfOfOnePercentOverWeightedAverageOfRates" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_OnePercentOverWeightedAverageOfRatesOnOvernightFederalFunds" name="OnePercentOverWeightedAverageOfRatesOnOvernightFederalFunds" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_OptionOfCompanyMember" name="OptionOfCompanyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_OptionOfHoldersMember" name="OptionOfHoldersMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_OtherAmountsRecognizedInOtherComprehensiveIncomeBeforeTax" name="OtherAmountsRecognizedInOtherComprehensiveIncomeBeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_OtherComprehensiveIncomeLossAbstract" name="OtherComprehensiveIncomeLossAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_OtherComprehensiveIncomeLossPlanAssetGainLossBeforeTax" name="OtherComprehensiveIncomeLossPlanAssetGainLossBeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_OtherCurrentAssetsMember" name="OtherCurrentAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_OtherCurrentLiabilitiesMember" name="OtherCurrentLiabilitiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_OtherIncomeExpenseMember" name="OtherIncomeExpenseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_OtherLongTermObligationsMember" name="OtherLongTermObligationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_OtherRestructuringCostsMember" name="OtherRestructuringCostsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_OthercountriesMember" name="OthercountriesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_OutsideUnitedStatesMember" name="OutsideUnitedStatesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_OwnershipInterestPercentageAbstract" name="OwnershipInterestPercentageAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_OwnershipInterestToBeHeldForConsolidation" name="OwnershipInterestToBeHeldForConsolidation" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_OwnershipInterestToBeHeldForConsolidationLineItems" name="OwnershipInterestToBeHeldForConsolidationLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_OwnershipInterestToUseCostMethod" name="OwnershipInterestToUseCostMethod" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_OwnershipInterestToUseEquityMethod" name="OwnershipInterestToUseEquityMethod" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_PercentOfHighestAndLowestYieldingBondsWithinSpecificMaturityGroups" name="PercentOfHighestAndLowestYieldingBondsWithinSpecificMaturityGroups" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="itri_PercentageOfAggregatePrincipalOfDebtOutstandingAtDateOfExchange" name="PercentageOfAggregatePrincipalOfDebtOutstandingAtDateOfExchange" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_PercentageOfBenefitPlansDenominatedInEuro" name="PercentageOfBenefitPlansDenominatedInEuro" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="itri_PercentageOfEmployeeSalaryDeferralForWhichEmployerMakes50MatchingContribution" name="PercentageOfEmployeeSalaryDeferralForWhichEmployerMakes50MatchingContribution" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_PercentageOfEmployerMatchIntoEmployeeSavingsPlan" name="PercentageOfEmployerMatchIntoEmployeeSavingsPlan" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_PercentageOfManufacturingFacilitiesImpactedByRestructuring" name="PercentageOfManufacturingFacilitiesImpactedByRestructuring" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_PercentageOfOwnershipOfCommonShares" name="PercentageOfOwnershipOfCommonShares" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_PercentageOfRevenuesByMajorCustomers" name="PercentageOfRevenuesByMajorCustomers" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_PercentageThresholdOfAssetsOfAnyPersonOrGroupThatBecomesAcquiringPerson" name="PercentageThresholdOfAssetsOfAnyPersonOrGroupThatBecomesAcquiringPerson" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_PledgeOfCapitalStock" name="PledgeOfCapitalStock" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_PreferredSharePurchaseRightShares" name="PreferredSharePurchaseRightShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="itri_PrepaidDebtFeesAndAccruedInterestExpenseTableTextBlock" name="PrepaidDebtFeesAndAccruedInterestExpenseTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_PrepaidDebtFeesNoncurrent" name="PrepaidDebtFeesNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="itri_PrepaidDebtFeesPolicyTextBlock" name="PrepaidDebtFeesPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_PropertyPlantAndEquipmentNetMember" name="PropertyPlantAndEquipmentNetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_PropertyPlantAndEquipmentPolicyAdditionalInformationAbstract" name="PropertyPlantAndEquipmentPolicyAdditionalInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_QuarterlyResultsAxis" name="QuarterlyResultsAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_QuarterlyResultsDomain" name="QuarterlyResultsDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_QuarterlyResultsLineItems" name="QuarterlyResultsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_QuarterlyResultsUnauditedAbstract" name="QuarterlyResultsUnauditedAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_QuarterlyResultsUnauditedTable" name="QuarterlyResultsUnauditedTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ReclassificaitonFromOtherCurrentLiabilities" name="ReclassificaitonFromOtherCurrentLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ReclassifiedFromCurrentAccountsReceivablesToLongTermCurrentAssetsDomain" name="ReclassifiedFromCurrentAccountsReceivablesToLongTermCurrentAssetsDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ReclassifiedFromCurrentAccountsReceivablesToOtherLongTermAssetsAxis" name="ReclassifiedFromCurrentAccountsReceivablesToOtherLongTermAssetsAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ReclassifiedFromCurrentAccountsReceivablesToOtherLongTermAssetsMember" name="ReclassifiedFromCurrentAccountsReceivablesToOtherLongTermAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_RecoveryAssociatedWithSettlementOfProductClaims" name="RecoveryAssociatedWithSettlementOfProductClaims" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_RentalExpenseAbstract" name="RentalExpenseAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ReportingUnitAxis" name="ReportingUnitAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ReportingUnitDomain" name="ReportingUnitDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_RepurchaseOfConvertibleSeniorSubordinatedDebt" name="RepurchaseOfConvertibleSeniorSubordinatedDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="itri_RestrictedAwardsEligibleForVesting" name="RestrictedAwardsEligibleForVesting" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="itri_RestructuringAbstract" name="RestructuringAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_RestructuringAdditionalInformationAbstract" name="RestructuringAdditionalInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_RestructuringAndRelatedCostsExpectedPercentageOfPositionsEliminated" name="RestructuringAndRelatedCostsExpectedPercentageOfPositionsEliminated" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_RestructuringCostsToBeRecognized" name="RestructuringCostsToBeRecognized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="itri_RestructuringExpectedCostSavings" name="RestructuringExpectedCostSavings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_RestructuringRelatedBalanceSheetActivityAbstract" name="RestructuringRelatedBalanceSheetActivityAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_RevaluationGainOnRemeasurementOfConvertibleNotesOnExtinguishmentOfDebt" name="RevaluationGainOnRemeasurementOfConvertibleNotesOnExtinguishmentOfDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="itri_RightExercisePrice" name="RightExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_RightPerUnitPrice" name="RightPerUnitPrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduleOfBasicAndDilutedEarningsPerShareTable" name="ScheduleOfBasicAndDilutedEarningsPerShareTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ScheduleOfBonusAndProfitSharingExpensesTableTextBlock" name="ScheduleOfBonusAndProfitSharingExpensesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ScheduleOfChangesInBenefitObligationAndFairValueOfPlanAssetsTableTextBlock" name="ScheduleOfChangesInBenefitObligationAndFairValueOfPlanAssetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduleOfChangesInComponentsOfAccumulatedOtherComprehensiveIncomeLossAbstract" name="ScheduleOfChangesInComponentsOfAccumulatedOtherComprehensiveIncomeLossAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduleOfChangesInComponentsOfAccumulatedOtherComprehensiveIncomeLossDomain" name="ScheduleOfChangesInComponentsOfAccumulatedOtherComprehensiveIncomeLossDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduleOfChangesInComponentsOfAccumulatedOtherComprehensiveIncomeLossLineItems" name="ScheduleOfChangesInComponentsOfAccumulatedOtherComprehensiveIncomeLossLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduleOfChangesInComponentsOfAccumulatedOtherComprehensiveIncomeLossTable" name="ScheduleOfChangesInComponentsOfAccumulatedOtherComprehensiveIncomeLossTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ScheduleOfChangesToUnearnedRevenueForExtendedWarrantyTableTextBlock" name="ScheduleOfChangesToUnearnedRevenueForExtendedWarrantyTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduleOfDebtAbstract" name="ScheduleOfDebtAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduleOfFairValueOfFinancialInstrumentsOnConsolidatedBalanceSheetsAbstract" name="ScheduleOfFairValueOfFinancialInstrumentsOnConsolidatedBalanceSheetsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduleOfGoodwillImpairmentTable" name="ScheduleOfGoodwillImpairmentTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ScheduleOfGoodwillImpairmentTableTextBlock" name="ScheduleOfGoodwillImpairmentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ScheduleOfIncomeTaxProvisionBenefitRelatedToOciTableTextBlock" name="ScheduleOfIncomeTaxProvisionBenefitRelatedToOciTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduleOfInterestExpenseOnLiabilityComponentsAbstract" name="ScheduleOfInterestExpenseOnLiabilityComponentsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduleOfInventoryCurrentAxis" name="ScheduleOfInventoryCurrentAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduleOfInventoryCurrentLineItems" name="ScheduleOfInventoryCurrentLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduleOfInventoryCurrentMember" name="ScheduleOfInventoryCurrentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduleOfInventoryCurrentTable" name="ScheduleOfInventoryCurrentTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduleOfLongTermDebtMaturitiesAbstract" name="ScheduleOfLongTermDebtMaturitiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduleOfLongTermDebtRepaymentsAbstract" name="ScheduleOfLongTermDebtRepaymentsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ScheduleOfLongTermDebtRepaymentsTableTextBlock" name="ScheduleOfLongTermDebtRepaymentsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduleOfNetPeriodicPensionBenefitCostsAbstract" name="ScheduleOfNetPeriodicPensionBenefitCostsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduleOfShareholderRightsPlanTable" name="ScheduleOfShareholderRightsPlanTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ScheduleOfWarrantyAccrualsTableTextBlock" name="ScheduleOfWarrantyAccrualsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduledQuarterlyRepaymentsSeptember2013ThroughJune2014Domain" name="ScheduledQuarterlyRepaymentsSeptember2013ThroughJune2014Domain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduledQuarterlyRepaymentsSeptember2014ThroughJune2016Domain" name="ScheduledQuarterlyRepaymentsSeptember2014ThroughJune2016Domain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduledQuarterlyRepaymentsThroughJune2013Domain" name="ScheduledQuarterlyRepaymentsThroughJune2013Domain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ScheduleofinterestexpenseonliabilitycomponentsTableTextBlock" name="ScheduleofinterestexpenseonliabilitycomponentsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_SecondQuarterMember" name="SecondQuarterMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_SegmentInformationAbstract" name="SegmentInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_SeniorSubordinatedNotesAbstract" name="SeniorSubordinatedNotesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestAggregateIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestAggregateIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestInPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestInPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsReleasedInPeriodAggregateIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsReleasedInPeriodAggregateIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ShareRepurchaseAxis" name="ShareRepurchaseAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ShareRepurchasePlanAbstract" name="ShareRepurchasePlanAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ShareRepurchasePolicyPolicyTextBlock" name="ShareRepurchasePolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ShareholderRightsPlanAxis" name="ShareholderRightsPlanAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ShareholderRightsPlanInformationAbstract" name="ShareholderRightsPlanInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ShareholdersEquityAbstract" name="ShareholdersEquityAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_SharesAvailableForIssuanceEmployeeStockPurchasePlan" name="SharesAvailableForIssuanceEmployeeStockPurchasePlan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="itri_SharesOfCommonStockRepurchaseExecutedBeforeBalanceSheetDateButSettledAfterBalanceSheetDate" name="SharesOfCommonStockRepurchaseExecutedBeforeBalanceSheetDateButSettledAfterBalanceSheetDate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_SharesOfCommonStockRepurchasedBetweenPeriodEndDateAndFilingDate" name="SharesOfCommonStockRepurchasedBetweenPeriodEndDateAndFilingDate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ShorterDurationEuroDenominatedDefinedBenefitPlansMember" name="ShorterDurationEuroDenominatedDefinedBenefitPlansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_SpainMember" name="SpainMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_SpecificBatchOfCiMetersThatWereManufacturedWithMisalignedAutomatedSolderFeederMember" name="SpecificBatchOfCiMetersThatWereManufacturedWithMisalignedAutomatedSolderFeederMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_StatementsOfConsolidatedComprehensiveIncomeAbstract" name="StatementsOfConsolidatedComprehensiveIncomeAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_StockBasedCompensationAbstract" name="StockBasedCompensationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_StockBasedCompensationAbstractAbstract" name="StockBasedCompensationAbstractAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_StockIncentivePlanMember" name="StockIncentivePlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_StockOptionsExpirationPeriod" name="StockOptionsExpirationPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_StockRepurchaseDomain" name="StockRepurchaseDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_StockRepurchasePlanTable" name="StockRepurchasePlanTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_SummaryOfAllowanceForDoubtfulAccountsActivityAbstract" name="SummaryOfAllowanceForDoubtfulAccountsActivityAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_SummaryOfAllowanceForDoubtfulAccountsTableTextBlock" name="SummaryOfAllowanceForDoubtfulAccountsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_SummaryOfIntangibleAssetAccountActivityTable" name="SummaryOfIntangibleAssetAccountActivityTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_SummaryOfSignificantAccountingPoliciesAbstract" name="SummaryOfSignificantAccountingPoliciesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_SummaryOfWarrantyAccrualAccountActivityTable" name="SummaryOfWarrantyAccrualAccountActivityTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_SummaryofintangibleassetaccountactivityTableTextBlock" name="SummaryofintangibleassetaccountactivityTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_TabularDisclosureSummarizingActivityWithinRestructuringRelatedBalanceSheetAccountsTableTextBlock" name="TabularDisclosureSummarizingActivityWithinRestructuringRelatedBalanceSheetAccountsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_TaxEffectOfExcessBenefitsFromEmployeeStockPlanExercisesWhichWillIncreaseOurCommonStockWhenItReducesOurCashTaxesPayableAndWhichIsNotRecognizedInOurDeferredTaxAssets" name="TaxEffectOfExcessBenefitsFromEmployeeStockPlanExercisesWhichWillIncreaseOurCommonStockWhenItReducesOurCashTaxesPayableAndWhichIsNotRecognizedInOurDeferredTaxAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="itri_TaxProvisionBenefitAbstract" name="TaxProvisionBenefitAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ThirdQuarterMember" name="ThirdQuarterMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_TotalCompanyMember" name="TotalCompanyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_TotalNumberOfManufacturingLocations" name="TotalNumberOfManufacturingLocations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_TradeMarksAndTradeNamesMember" name="TradeMarksAndTradeNamesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_TradeReceivablesNetOfAllowances" name="TradeReceivablesNetOfAllowances" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="itri_TypeOfEmployeeBenefitAndCompensationDomain" name="TypeOfEmployeeBenefitAndCompensationDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_USDomesticSubsidiariesMember" name="USDomesticSubsidiariesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_USPrimeRateMember" name="USPrimeRateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_UnamortizedDebtDiscountIncludedInLossOnExtinguishment" name="UnamortizedDebtDiscountIncludedInLossOnExtinguishment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="itri_UnamortizedPrepaidDebtFees" name="UnamortizedPrepaidDebtFees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="itri_UnamortizedPrepaidDebtFeesAbstract" name="UnamortizedPrepaidDebtFeesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_UnbilledReceivables" name="UnbilledReceivables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="itri_UnitedKingdomMember" name="UnitedKingdomMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_UnitedStatesMember" name="UnitedStatesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_UnrestrictedStockAwardMember" name="UnrestrictedStockAwardMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_UnrestrictedStockAwardsCompensationExpense" name="UnrestrictedStockAwardsCompensationExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_UnsecuredMulticurrencyRevolvingLinesOfCreditMember" name="UnsecuredMulticurrencyRevolvingLinesOfCreditMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_UnsecuredSuretyBondsInForce" name="UnsecuredSuretyBondsInForce" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="itri_UsdDenominatedTermLoanMember" name="UsdDenominatedTermLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_UsdTermLoanInterestRateSwapJune2011BMember" name="UsdTermLoanInterestRateSwapJune2011BMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_UsdTermLoanInterestRateSwapJune2011Member" name="UsdTermLoanInterestRateSwapJune2011Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_VendorSuppliedComponentWarrantyExpenseTypeMember" name="VendorSuppliedComponentWarrantyExpenseTypeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_VotingStockMember" name="VotingStockMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_WarrantiesactivityLineItems" name="WarrantiesactivityLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_Warranty" name="Warranty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="itri_WarrantyAccrual" name="WarrantyAccrual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="itri_WarrantyChangesAndAdjustments" name="WarrantyChangesAndAdjustments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="itri_WarrantyCharge" name="WarrantyCharge" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="itri_WarrantyExpense" name="WarrantyExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="itri_WarrantyExpenseBySegmentTableTextBlock" name="WarrantyExpenseBySegmentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_WarrantyNoncurrent" name="WarrantyNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="itri_WarrantyPolicyTextBlock" name="WarrantyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
</xsd:schema>
</XBRL>
