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  <xsd:element abstract="true" id="itri_CustomerContractsAndRelationshipsMember" name="CustomerContractsAndRelationshipsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element id="itri_ExcessTaxBenefitsFromEmployeeStockPlanExercises" name="ExcessTaxBenefitsFromEmployeeStockPlanExercises" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
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  <xsd:element abstract="true" id="itri_GoodwillExcludingNonGoodwillIntangiblesAbstract" name="GoodwillExcludingNonGoodwillIntangiblesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
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  <xsd:element id="itri_IncomeTaxReconciliationLocalForeignTaxes" name="IncomeTaxReconciliationLocalForeignTaxes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="itri_LongTermRetainageReceivablesLineItems" name="LongTermRetainageReceivablesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_LongerDurationEuroDenominatedDefinedBenefitPlansMember" name="LongerDurationEuroDenominatedDefinedBenefitPlansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element id="itri_OtherAmountsRecognizedInOtherComprehensiveIncomeBeforeTax" name="OtherAmountsRecognizedInOtherComprehensiveIncomeBeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
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  <xsd:element id="itri_OtherComprehensiveIncomeLossPlanAssetGainLossBeforeTax" name="OtherComprehensiveIncomeLossPlanAssetGainLossBeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_OtherCountriesMember" name="OtherCountriesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <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" />
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  <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 abstract="true" id="itri_PercentageOfBenefitPlansDenominatedInEuroDomain" name="PercentageOfBenefitPlansDenominatedInEuroDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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_PrepaidDebtFeesAndAccruedInterestExpenseTableTextBlock" name="PrepaidDebtFeesAndAccruedInterestExpenseTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
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  <xsd:element id="itri_ProductWarrantyExpenseChange" name="ProductWarrantyExpenseChange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" 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 abstract="true" id="itri_RestructuringProjectLineItems" name="RestructuringProjectLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_RestructuringProjectTable" name="RestructuringProjectTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" 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_ScheduleOfBonusAndProfitSharingPlansAndAwardExpenseTableTextBlockTableTextBlock" name="ScheduleOfBonusAndProfitSharingPlansAndAwardExpenseTableTextBlockTableTextBlock" 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 id="itri_ScheduleOfChangesToUnearnedRevenueForExtendedWarrantyTableTextBlock" name="ScheduleOfChangesToUnearnedRevenueForExtendedWarrantyTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduleOfIntangibleAssetsAbstract" name="ScheduleOfIntangibleAssetsAbstract" 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 id="itri_ScheduleOfShareBasedPaymentAwardRestrictedStockUnitsValuationAssumptionsTableTextBlock" name="ScheduleOfShareBasedPaymentAwardRestrictedStockUnitsValuationAssumptionsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduledQuarterlyRepaymentsSeptember2015throughJune2017Domain" name="ScheduledQuarterlyRepaymentsSeptember2015throughJune2017Domain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduledQuarterlyRepaymentsSeptember2017throughJune2018Domain" name="ScheduledQuarterlyRepaymentsSeptember2017throughJune2018Domain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduledQuarterlyRepaymentsSeptember2018throughMarch2020Domain" name="ScheduledQuarterlyRepaymentsSeptember2018throughMarch2020Domain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ScheduleofPurchasePriceAllocation1TableTextBlock" name="ScheduleofPurchasePriceAllocation1TableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsReleasedInPeriodAggregateIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsReleasedInPeriodAggregateIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardMarketConditionMultiplierLowerRangeLimit" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardMarketConditionMultiplierLowerRangeLimit" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardMarketConditionMultiplierUpperRangeLimit" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardMarketConditionMultiplierUpperRangeLimit" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestAggregateIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestAggregateIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestNumber" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestNumber" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestOutstandingWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestOutstandingWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestWeightedAverageRemainingContractualTerm" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestWeightedAverageRemainingContractualTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceConditionVestingRangeLowerRangeLimit" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceConditionVestingRangeLowerRangeLimit" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceConditionVestingRangeUpperRangeLimit" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceConditionVestingRangeUpperRangeLimit" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPossibleTotalPercentageOfSharesVestedLowerRangeLimit" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPossibleTotalPercentageOfSharesVestedLowerRangeLimit" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_ShareBasedCompensationArrangementByShareBasedPaymentAwardPossibleTotalPercentageOfSharesVestedUpperRangeLimit" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPossibleTotalPercentageOfSharesVestedUpperRangeLimit" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" 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_ShorterDurationEuroDenominatedDefinedBenefitPlansMember" name="ShorterDurationEuroDenominatedDefinedBenefitPlansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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 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 abstract="true" id="itri_SummaryOfIntangibleAssetAccountActivityTable" name="SummaryOfIntangibleAssetAccountActivityTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" 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_TaxEffectOfExcessBenefitsFromEmployeeStockPlanExercisesWhichWillIncreaseOurCommonStockWhenItReducesOurCashTaxesPayableAndWhichIsNotRecognizedInOurDeferredTaxAssets" name="TaxEffectOfExcessBenefitsFromEmployeeStockPlanExercisesWhichWillIncreaseOurCommonStockWhenItReducesOurCashTaxesPayableAndWhichIsNotRecognizedInOurDeferredTaxAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" 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_ThresholdforReportingCustomerConcentrationMember" name="ThresholdforReportingCustomerConcentrationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_TotalIntangibleAssetsAbstract" name="TotalIntangibleAssetsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <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_UnamortizedPrepaidDebtFeesAbstract" name="UnamortizedPrepaidDebtFeesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_UndistributedEarningsofForeignSubsidiariesandForeignCorporateJointVenturesMember" name="UndistributedEarningsofForeignSubsidiariesandForeignCorporateJointVenturesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_UnitedStatesAndCanadaMember" name="UnitedStatesAndCanadaMember" 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 abstract="true" id="itri_UsdDenominatedTermLoanMember" name="UsdDenominatedTermLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_VestedAndReleasedMember" name="VestedAndReleasedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_VestedButNotReleasedMember" name="VestedButNotReleasedMember" 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_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_WarrantyExpenseTableTextBlock" name="WarrantyExpenseTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_WarrantyPolicyTextBlock" name="WarrantyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_WaterOperatingSegmentMember" name="WaterOperatingSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
