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  <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="duration" />
  <xsd:element id="itri_NumberOfMonthsCurrentRetainageAmountsAndUnbilledReceivablesAreExpectedToBeCollected" name="NumberOfMonthsCurrentRetainageAmountsAndUnbilledReceivablesAreExpectedToBeCollected" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element id="itri_NumberOfMonthsLongTermUnbilledAndRetainageContractReceivablesAreExpectedToBeCollected" name="NumberOfMonthsLongTermUnbilledAndRetainageContractReceivablesAreExpectedToBeCollected" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" 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 abstract="true" id="itri_OtherComprehensiveIncomeLossAbstract" name="OtherComprehensiveIncomeLossAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" 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_OthercountriesMember" name="OthercountriesMember" 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="instant" />
  <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_PercentageOfExpectedRestructuringChargesAssociatedWithSeveranceCosts" name="PercentageOfExpectedRestructuringChargesAssociatedWithSeveranceCosts" 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_PercentageOfRestructuringCostsRelatedToClosingOrConsolidatingManufacturingAndNonManufacturingOperations" name="PercentageOfRestructuringCostsRelatedToClosingOrConsolidatingManufacturingAndNonManufacturingOperations" 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_PledgeOfCapitalStock" name="PledgeOfCapitalStock" 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" />
  <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 id="itri_ReclassificaitonFromOtherCurrentLiabilities" name="ReclassificaitonFromOtherCurrentLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" 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 abstract="true" id="itri_RecordedIn2012Member" name="RecordedIn2012Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_RecordedInQ42011Member" name="RecordedInQ42011Member" 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_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 abstract="true" id="itri_RestatementAbstract" name="RestatementAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <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 id="itri_RestructuringAndRelatedCostsExpectedPercentageOfPositionsEliminated" name="RestructuringAndRelatedCostsExpectedPercentageOfPositionsEliminated" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" 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_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_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 id="itri_ScheduleOfWarrantyAccrualsTableTextBlock" name="ScheduleOfWarrantyAccrualsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="itri_ScheduledQuarterlyRepaymentsSeptember2011ThroughJune2013Domain" name="ScheduledQuarterlyRepaymentsSeptember2011ThroughJune2013Domain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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 id="itri_ScheduleofinterestexpenseonliabilitycomponentsTableTextBlock" name="ScheduleofinterestexpenseonliabilitycomponentsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" 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 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 id="itri_SharesAvailableForIssuanceEmployeeStockPurchasePlan" name="SharesAvailableForIssuanceEmployeeStockPurchasePlan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <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 id="itri_StockRepurchaseProgramAuthorizationPeriod" name="StockRepurchaseProgramAuthorizationPeriod" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" 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 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_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 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_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>
