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        <link:definition>9955526 - Disclosure - Summary of Significant Accounting Policies (Details)</link:definition>
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        <link:definition>9955527 - Disclosure - Revenue Recognition - Revenue Recognition (Details)</link:definition>
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        <link:definition>9955529 - Disclosure - Revenue Recognition - Information about Contract Liabilities from Contracts with Customers (Details)</link:definition>
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        <link:definition>9955530 - Disclosure - Revenue Recognition - Roll forward Changes in the Contract Liabilities (Details)</link:definition>
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        <link:definition>9955531 - Disclosure - Revenue Recognition - Remaining Performance Obligations (Details)</link:definition>
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        <link:definition>9955531 - Disclosure - Revenue Recognition - Remaining Performance Obligations (Details)</link:definition>
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        <link:definition>9955532 - Disclosure - Cash, Cash Equivalents and Restricted Cash - Narrative (Details)</link:definition>
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  <xs:element id="eose_NumberOfVendors" abstract="false" name="NumberOfVendors" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="eose_DelayedDrawTermLoanDDTLMember" abstract="true" name="DelayedDrawTermLoanDDTLMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_EquipmentFinancingFacilityMember" abstract="true" name="EquipmentFinancingFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_SeniorSecuredTermLoanAgreementMember" abstract="true" name="SeniorSecuredTermLoanAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_A2025ConvertibleNotesMember" abstract="true" name="A2025ConvertibleNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_DOELoanFacilityMember" abstract="true" name="DOELoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_DOELoanFacilityFirstDrawMember" abstract="true" name="DOELoanFacilityFirstDrawMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_DOELoanFacilitySecondDrawMember" abstract="true" name="DOELoanFacilitySecondDrawMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_NotesPayableRelatedPartyMember" abstract="true" name="NotesPayableRelatedPartyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_LongTermDebtGrossAbstract" abstract="true" name="LongTermDebtGrossAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="eose_LongTermDebtGrossCurrentMaturities" abstract="false" name="LongTermDebtGrossCurrentMaturities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_LongTermDebtGrossExcludingCurrentMaturities" abstract="false" name="LongTermDebtGrossExcludingCurrentMaturities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_A2021ConvertibleNotesMember" abstract="true" name="A2021ConvertibleNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_AFGConvertibleNotesMember" abstract="true" name="AFGConvertibleNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_DelayedDrawsTermLoanDDTLMember" abstract="true" name="DelayedDrawsTermLoanDDTLMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_A2025ConvertibleNotesDue2030Member" abstract="true" name="A2025ConvertibleNotesDue2030Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_A2025ConvertibleNotesDue2031Member" abstract="true" name="A2025ConvertibleNotesDue2031Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_PeriodAxis" abstract="true" name="PeriodAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="eose_PeriodDomain" abstract="true" name="PeriodDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_PeriodOneMember" abstract="true" name="PeriodOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_DebtTranchesAxis" abstract="true" name="DebtTranchesAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="eose_DebtTranchesDomain" abstract="true" name="DebtTranchesDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_DOELoanFacilityTranche1Member" abstract="true" name="DOELoanFacilityTranche1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_DOELoanFacilityTranche2Member" abstract="true" name="DOELoanFacilityTranche2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_DOELoanFacilityTranche3Member" abstract="true" name="DOELoanFacilityTranche3Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_DOELoanFacilityTranche4Member" abstract="true" name="DOELoanFacilityTranche4Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_DebtInstrumentPremiumRepaymentContingency" abstract="false" name="DebtInstrumentPremiumRepaymentContingency" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_ProceedsFromRepaymentOfDebtPremium" abstract="false" name="ProceedsFromRepaymentOfDebtPremium" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_DebtInstrumentOriginalIssueDiscountPercentage" abstract="false" name="DebtInstrumentOriginalIssueDiscountPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="eose_DebtInstrumentWritOrWarrantExcessAmount" abstract="false" name="DebtInstrumentWritOrWarrantExcessAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_DebtInstrumentOptionPaymentAmounts" abstract="false" name="DebtInstrumentOptionPaymentAmounts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_DebtInstrumentSalePriceOfCommonStockPeriod" abstract="false" name="DebtInstrumentSalePriceOfCommonStockPeriod" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="eose_DebtInstrumentPercentageOfSalePriceOfCommonStock" abstract="false" name="DebtInstrumentPercentageOfSalePriceOfCommonStock" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="eose_ConvertibleDebtInstrumentExcessStockPriceThreshold" abstract="false" name="ConvertibleDebtInstrumentExcessStockPriceThreshold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="eose_ConvertibleDebtInstrumentMinimumAmountOutstandingForRedemption" abstract="false" name="ConvertibleDebtInstrumentMinimumAmountOutstandingForRedemption" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_LineOfCreditFacilityMaximumCapitalizedInterestCapacity" abstract="false" name="LineOfCreditFacilityMaximumCapitalizedInterestCapacity" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_DebtInstrumentNumberOfTranches" abstract="false" name="DebtInstrumentNumberOfTranches" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="eose_DebtInstrumentEligibleProjectCostsPercentage" abstract="false" name="DebtInstrumentEligibleProjectCostsPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="eose_FundingCostOfDebtPercentage" abstract="false" name="FundingCostOfDebtPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="eose_PIKInterestMember" abstract="true" name="PIKInterestMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_LongTermDebtCapitalizedPaymentInKindInterest" abstract="false" name="LongTermDebtCapitalizedPaymentInKindInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_TrancheOneMember" abstract="true" name="TrancheOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_LineOfCreditRollforwardAbstract" abstract="true" name="LineOfCreditRollforwardAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="eose_April2023PrivateWarrantsMember" abstract="true" name="April2023PrivateWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_May2023PrivateWarrantsMember" abstract="true" name="May2023PrivateWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_December2023WarrantsMember" abstract="true" name="December2023WarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_SPAWarrantMember" abstract="true" name="SPAWarrantMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_ContingentWarrantsMember" abstract="true" name="ContingentWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_CCMDenaliEquityHoldingsLPMember" abstract="true" name="CCMDenaliEquityHoldingsLPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_WarrantsAndRightsOutstandingExercisedInPeriod" abstract="false" name="WarrantsAndRightsOutstandingExercisedInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="eose_NumberOfDrawDatesAfterAchievementOfPerformanceMilestones" abstract="false" name="NumberOfDrawDatesAfterAchievementOfPerformanceMilestones" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="eose_IPOAprilMayAndDecember2023WarrantsMember" abstract="true" name="IPOAprilMayAndDecember2023WarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_December2023PrivateWarrantsMember" abstract="true" name="December2023PrivateWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_November2025ConvertibleNoteMember" abstract="true" name="November2025ConvertibleNoteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_MeasurementInputDebtYieldMember" abstract="true" name="MeasurementInputDebtYieldMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_SPAWarrantsAndContingentWarrantsMember" abstract="true" name="SPAWarrantsAndContingentWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_AprilMayAndDecember2023WarrantsMember" abstract="true" name="AprilMayAndDecember2023WarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityExercisedWarrants" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityExercisedWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_SeriesA1PreferredStockMember" abstract="true" name="SeriesA1PreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_PreferredStockAtCarryingValue" abstract="false" name="PreferredStockAtCarryingValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_LongTermDebtIncludingEmbeddedDerivatives" abstract="false" name="LongTermDebtIncludingEmbeddedDerivatives" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_ConvertibleNotesPayableFairValueDisclosure" abstract="false" name="ConvertibleNotesPayableFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_PreferredStockAtFairValue" abstract="false" name="PreferredStockAtFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_LongTermDebtIncludingEmbeddedDerivativesFairValueDisclosure" abstract="false" name="LongTermDebtIncludingEmbeddedDerivativesFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_PerformanceBasedRestrictedStockUnitsMember" abstract="true" name="PerformanceBasedRestrictedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_TSRAwardsMember" abstract="true" name="TSRAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_EmployeeMember" abstract="true" name="EmployeeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesGrantDate" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesGrantDate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="eose_CommonStockVotingRightsNumberOfVotes" abstract="false" name="CommonStockVotingRightsNumberOfVotes" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="eose_SeriesB4PreferredStockMember" abstract="true" name="SeriesB4PreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_IncreaseDecreaseInConvertiblePreferredStockSharesIssuedUponConversion" abstract="false" name="IncreaseDecreaseInConvertiblePreferredStockSharesIssuedUponConversion" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="eose_AdjustmentsToDeemedDividend" abstract="false" name="AdjustmentsToDeemedDividend" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_PreferredStockOwnershipPercentage1" abstract="false" name="PreferredStockOwnershipPercentage1" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="eose_PreferredStockOwnershipPercentage2" abstract="false" name="PreferredStockOwnershipPercentage2" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="eose_PreferredStockOwnershipPercentage3" abstract="false" name="PreferredStockOwnershipPercentage3" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="eose_PreferredStockOwnershipPercentage4" abstract="false" name="PreferredStockOwnershipPercentage4" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="eose_PreferredStockNoLongerBeneficiallyOwned" abstract="false" name="PreferredStockNoLongerBeneficiallyOwned" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="eose_PreferredStockNumberOfBusinessDaysPriorToCurrentPeriod" abstract="false" name="PreferredStockNumberOfBusinessDaysPriorToCurrentPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="eose_SeriesB1PreferredStockMember" abstract="true" name="SeriesB1PreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_SeriesB2PreferredStockMember" abstract="true" name="SeriesB2PreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_SeriesB3PreferredStockMember" abstract="true" name="SeriesB3PreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_CommonStockEquivalentShares" abstract="false" name="CommonStockEquivalentShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="eose_AdjustmentForChangeInFairValueOnEmbeddedDerivativesForConvertibleNotes" abstract="false" name="AdjustmentForChangeInFairValueOnEmbeddedDerivativesForConvertibleNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_AdjustmentForChangeInFairValueOnSPAWarrant" abstract="false" name="AdjustmentForChangeInFairValueOnSPAWarrant" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_AdjustmentForChangeInFairValueWarrants" abstract="false" name="AdjustmentForChangeInFairValueWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_ReportableSegmentMember" abstract="true" name="ReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_FrontierPowerUSAParentLLCMember" abstract="true" name="FrontierPowerUSAParentLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="eose_JointVentureFormationExpectedCashContributionFromJointVenturePartner" abstract="false" name="JointVentureFormationExpectedCashContributionFromJointVenturePartner" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_JointVentureFormationExpectedContribution" abstract="false" name="JointVentureFormationExpectedContribution" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="eose_JosephMastrangeloMember" abstract="true" name="JosephMastrangeloMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
