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    <element id="NNE_July2024FirmCommitmentPublicOfferingMember" name="July2024FirmCommitmentPublicOfferingMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_July2024FollowOnOverallotmentWarrantsMember" name="July2024FollowOnOverallotmentWarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_July2024FollowonOverallotmentWarrantMember" name="July2024FollowonOverallotmentWarrantMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_LeadManagingUnderwriterMember" name="LeadManagingUnderwriterMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_OctoberTwoThousandTwentyFourFollowOnOfferingMember" name="OctoberTwoThousandTwentyFourFollowOnOfferingMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_OctoberTwoThousandTwentyFourFollowOnOverAllotmentOptionMember" name="OctoberTwoThousandTwentyFourFollowOnOverAllotmentOptionMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_SecuritiesPurchaseAgreementMember" name="SecuritiesPurchaseAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_MayTwoThousandAndTwentyFivePrivatePlacementMember" name="MayTwoThousandAndTwentyFivePrivatePlacementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_MayTwoThousandAndTwentyFivePlacementAgencyAgreementMember" name="MayTwoThousandAndTwentyFivePlacementAgencyAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_TwoThousandAndTwentyFiveATMAgreementMember" name="TwoThousandAndTwentyFiveATMAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_TwoThousandAndTwentyFiveEquityIncentivePlanMember" name="TwoThousandAndTwentyFiveEquityIncentivePlanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_TwoThousandAndTwentyThreeStockOptionPlanMember" name="TwoThousandAndTwentyThreeStockOptionPlanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_TwoThousandAndTwentyThreeStockOptionPlansMember" name="TwoThousandAndTwentyThreeStockOptionPlansMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_CommonStockOneMember" name="CommonStockOneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_CommonStockTwoMember" name="CommonStockTwoMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_OneThirdGrantDateAnniversaryMember" name="OneThirdGrantDateAnniversaryMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_GrantDateAnniversaryMember" name="GrantDateAnniversaryMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_SixMonthGrantDateAnniversaryMember" name="SixMonthGrantDateAnniversaryMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_TwoThousandAndTwentyFiveEquityPlanMember" name="TwoThousandAndTwentyFiveEquityPlanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_NuclearTechnologyHeadquatersMember" name="NuclearTechnologyHeadquatersMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_KRONOSMMRMicroreactorEnergySystemMember" name="KRONOSMMRMicroreactorEnergySystemMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_ALIPTechnologyMember" name="ALIPTechnologyMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_DrMaidanaMember" name="DrMaidanaMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_LISTechnologiesIncMember" name="LISTechnologiesIncMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_CanadianConsentsMember" name="CanadianConsentsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_MarketableSecuritiesAtFairValue" name="MarketableSecuritiesAtFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_InprocessResearchAndDevelopmentAssets" name="InprocessResearchAndDevelopmentAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_StockIssuedDuringPeriodValueWarrantsExercised" name="StockIssuedDuringPeriodValueWarrantsExercised" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_StockIssuedDuringPeriodSharesWarrantsExercised" name="StockIssuedDuringPeriodSharesWarrantsExercised" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_BankRevaluation" name="BankRevaluation" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_NoncashInterestIncomeOnShorttermInvestments" name="NoncashInterestIncomeOnShorttermInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_PaymentToAcquireDeposits" name="PaymentToAcquireDeposits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_PaymentsForResearchAndDevelopmentExpense" name="PaymentsForResearchAndDevelopmentExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_PaymentOfDeferredOfferingCosts" name="PaymentOfDeferredOfferingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_InceptionOfRightofuseAssetLeaseLiability" name="InceptionOfRightofuseAssetLeaseLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_DisclosureRightofuseAssetsAndLeaseLiabilitiesAbstract" name="DisclosureRightofuseAssetsAndLeaseLiabilitiesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_RightOfUseAssetAndLeaseLiabilitiesDisclosureTextBlock" name="RightOfUseAssetAndLeaseLiabilitiesDisclosureTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_DisclosureUsncAssetAcquisitionAbstract" name="DisclosureUsncAssetAcquisitionAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_UsncAssetAcquisitionTextBlock" name="UsncAssetAcquisitionTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_ShortTermInvestmentsPolicyTextBlock" name="ShortTermInvestmentsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_PrepaidExpensesPolicyTextBlock" name="PrepaidExpensesPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_WarrantInstrumentsPolicyTextBlock" name="WarrantInstrumentsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_ScheduleOfPropertyPlantAndEquipmentsEstimatedUsefulLivesTableTextBlock" name="ScheduleOfPropertyPlantAndEquipmentsEstimatedUsefulLivesTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_ScheduleOfRightOfUseAssetAndLeaseLiabilitiesTableTextBlock" name="ScheduleOfRightOfUseAssetAndLeaseLiabilitiesTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_ScheduleOfBalanceSheetInformationTableTextBlock" name="ScheduleOfBalanceSheetInformationTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_ScheduleOfOtherInformationRelatedToLeasesTableTextBlock" name="ScheduleOfOtherInformationRelatedToLeasesTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_WorkingCapital" name="WorkingCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedInPeriodTotalIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedInPeriodTotalIntrinsicValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeitedInPeriodTotalIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeitedInPeriodTotalIntrinsicValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_StockIssuedDuringPeriodSharesStockOptionsExpired" name="StockIssuedDuringPeriodSharesStockOptionsExpired" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationInPeriodWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationInPeriodWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpiredInPeriodTotalIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpiredInPeriodTotalIntrinsicValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueGranted" name="SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueGranted" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsOutstandingWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsOutstandingWeightedAverageExercisePrice" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_ShareBasedCompensationArrangementsByShareBasedPaymentAwardNonOptionsGrantsInPeriodWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardNonOptionsGrantsInPeriodWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTermsGranted" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTermsGranted" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_ShareBasedCompensationArrangementsByShareBasedPaymentAwardNonOptionsExercisesInPeriodWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardNonOptionsExercisesInPeriodWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_GrossProceedsFromIssuanceOfCommonStock" name="GrossProceedsFromIssuanceOfCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_PurchaseOfCommonStock" name="PurchaseOfCommonStock" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_WarrantsExercised" name="WarrantsExercised" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_CashFeePercentage" name="CashFeePercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_NonAccountableExpenseAllowancePercentage" name="NonAccountableExpenseAllowancePercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_ProceedsFromIssuanceOfPrivatePlacementGross" name="ProceedsFromIssuanceOfPrivatePlacementGross" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_ProceedsFromIssuanceOfCash" name="ProceedsFromIssuanceOfCash" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedPercentage" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedPercentage" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_PropertyPlantAndEquipmentAdditionsOnLand" name="PropertyPlantAndEquipmentAdditionsOnLand" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_PropertyPlantAndEquipmentAdditionsOnBuilding" name="PropertyPlantAndEquipmentAdditionsOnBuilding" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_PropertyPlantAndEquipmentAdditionsOnLeaseholdImprovements" name="PropertyPlantAndEquipmentAdditionsOnLeaseholdImprovements" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_PropertyPlantAndEquipmentAdditionsOnConstructionInProgress" name="PropertyPlantAndEquipmentAdditionsOnConstructionInProgress" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_DepreciationOfLeaseholdImprovements" name="DepreciationOfLeaseholdImprovements" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_RightOfUseAssetRollForward" name="RightOfUseAssetRollForward" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_RightOfUseOfAssetAdditions" name="RightOfUseOfAssetAdditions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_AccumulatedDepreciationDepletionAndAmortizationOnRightOfUseOfAsset1" name="AccumulatedDepreciationDepletionAndAmortizationOnRightOfUseOfAsset1" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearThree" name="LesseeOperatingLeaseLiabilityPaymentsDueAfterYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_AssetAcquisitionConsiderationTransferredContingentConsiderationShares" name="AssetAcquisitionConsiderationTransferredContingentConsiderationShares" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_RevaluationExpense" name="RevaluationExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_InvestmentsAllOtherInvestmentsTable" name="InvestmentsAllOtherInvestmentsTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="NNE_ValueOfCanadianAssetsHeldInEscrow" name="ValueOfCanadianAssetsHeldInEscrow" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_AssumedLiabilitiesRelatedToDesignatedContracts" name="AssumedLiabilitiesRelatedToDesignatedContracts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="NNE_ReimbursementAllowance" name="ReimbursementAllowance" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>
