3.26.1 html 275 347 1 true 77 0 false 9 false false R1.htm 0000001 - Document - Cover Sheet http://www.ormat.com/role/Cover Cover Cover 1 false false R2.htm 9952151 - Statement - Condensed Consolidated Balance Sheets Sheet http://www.ormat.com/role/CondensedConsolidatedBalanceSheets Condensed Consolidated Balance Sheets Statements 2 false false R3.htm 9952152 - Statement - Condensed Consolidated Balance Sheets (Parentheticals) Sheet http://www.ormat.com/role/CondensedConsolidatedBalanceSheetsParentheticals Condensed Consolidated Balance Sheets (Parentheticals) Statements 3 false false R4.htm 9952153 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income Sheet http://www.ormat.com/role/CondensedConsolidatedStatementsofOperationsandComprehensiveIncome Condensed Consolidated Statements of Operations and Comprehensive Income Statements 4 false false R5.htm 9952154 - Statement - Condensed Consolidated Statements of Equity Sheet http://www.ormat.com/role/CondensedConsolidatedStatementsofEquity Condensed Consolidated Statements of Equity Statements 5 false false R6.htm 9952155 - Statement - Condensed Consolidated Statements of Equity (Parentheticals) Sheet http://www.ormat.com/role/CondensedConsolidatedStatementsofEquityParentheticals Condensed Consolidated Statements of Equity (Parentheticals) Statements 6 false false R7.htm 9952156 - Statement - Condensed Consolidated Statements of Cash Flow Sheet http://www.ormat.com/role/CondensedConsolidatedStatementsofCashFlow Condensed Consolidated Statements of Cash Flow Statements 7 false false R8.htm 9952157 - Disclosure - GENERAL AND BASIS OF PRESENTATION Sheet http://www.ormat.com/role/GENERALANDBASISOFPRESENTATION GENERAL AND BASIS OF PRESENTATION Notes 8 false false R9.htm 9952158 - Disclosure - NEW ACCOUNTING PRONOUNCEMENTS Sheet http://www.ormat.com/role/NEWACCOUNTINGPRONOUNCEMENTS NEW ACCOUNTING PRONOUNCEMENTS Notes 9 false false R10.htm 9952159 - Disclosure - INVENTORIES Sheet http://www.ormat.com/role/INVENTORIES INVENTORIES Notes 10 false false R11.htm 9952160 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS Sheet http://www.ormat.com/role/FAIRVALUEOFFINANCIALINSTRUMENTS FAIR VALUE OF FINANCIAL INSTRUMENTS Notes 11 false false R12.htm 9952161 - Disclosure - STOCK-BASED COMPENSATION Sheet http://www.ormat.com/role/STOCKBASEDCOMPENSATION STOCK-BASED COMPENSATION Notes 12 false false R13.htm 9952162 - Disclosure - INTEREST EXPENSE, NET Sheet http://www.ormat.com/role/INTERESTEXPENSENET INTEREST EXPENSE, NET Notes 13 false false R14.htm 9952163 - Disclosure - EARNINGS PER SHARE Sheet http://www.ormat.com/role/EARNINGSPERSHARE EARNINGS PER SHARE Notes 14 false false R15.htm 9952164 - Disclosure - BUSINESS SEGMENTS Sheet http://www.ormat.com/role/BUSINESSSEGMENTS BUSINESS SEGMENTS Notes 15 false false R16.htm 9952165 - Disclosure - COMMITMENTS AND CONTINGENCIES Sheet http://www.ormat.com/role/COMMITMENTSANDCONTINGENCIES COMMITMENTS AND CONTINGENCIES Notes 16 false false R17.htm 9952166 - Disclosure - INCOME TAXES Sheet http://www.ormat.com/role/INCOMETAXES INCOME TAXES Notes 17 false false R18.htm 9952167 - Disclosure - SUBSEQUENT EVENTS Sheet http://www.ormat.com/role/SUBSEQUENTEVENTS SUBSEQUENT EVENTS Notes 18 false false R19.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 19 false false R20.htm 9955511 - Disclosure - GENERAL AND BASIS OF PRESENTATION (Policies) Sheet http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONPolicies GENERAL AND BASIS OF PRESENTATION (Policies) Policies 20 false false R21.htm 9955512 - Disclosure - GENERAL AND BASIS OF PRESENTATION (Tables) Sheet http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONTables GENERAL AND BASIS OF PRESENTATION (Tables) Tables http://www.ormat.com/role/GENERALANDBASISOFPRESENTATION 21 false false R22.htm 9955513 - Disclosure - INVENTORIES (Tables) Sheet http://www.ormat.com/role/INVENTORIESTables INVENTORIES (Tables) Tables http://www.ormat.com/role/INVENTORIES 22 false false R23.htm 9955514 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) Sheet http://www.ormat.com/role/FAIRVALUEOFFINANCIALINSTRUMENTSTables FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) Tables http://www.ormat.com/role/FAIRVALUEOFFINANCIALINSTRUMENTS 23 false false R24.htm 9955515 - Disclosure - STOCK-BASED COMPENSATION (Tables) Sheet http://www.ormat.com/role/STOCKBASEDCOMPENSATIONTables STOCK-BASED COMPENSATION (Tables) Tables http://www.ormat.com/role/STOCKBASEDCOMPENSATION 24 false false R25.htm 9955516 - Disclosure - INTEREST EXPENSE, NET (Tables) Sheet http://www.ormat.com/role/INTERESTEXPENSENETTables INTEREST EXPENSE, NET (Tables) Tables http://www.ormat.com/role/INTERESTEXPENSENET 25 false false R26.htm 9955517 - Disclosure - EARNINGS PER SHARE (Tables) Sheet http://www.ormat.com/role/EARNINGSPERSHARETables EARNINGS PER SHARE (Tables) Tables http://www.ormat.com/role/EARNINGSPERSHARE 26 false false R27.htm 9955518 - Disclosure - BUSINESS SEGMENTS (Tables) Sheet http://www.ormat.com/role/BUSINESSSEGMENTSTables BUSINESS SEGMENTS (Tables) Tables http://www.ormat.com/role/BUSINESSSEGMENTS 27 false false R28.htm 9955519 - Disclosure - GENERAL AND BASIS OF PRESENTATION - Convertible Notes Indentures (Details) Notes http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONConvertibleNotesIndenturesDetails GENERAL AND BASIS OF PRESENTATION - Convertible Notes Indentures (Details) Details 28 false false R29.htm 9955520 - Disclosure - GENERAL AND BASIS OF PRESENTATION - Schedule of Convertible Notes (Details) Notes http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONScheduleofConvertibleNotesDetails GENERAL AND BASIS OF PRESENTATION - Schedule of Convertible Notes (Details) Details 29 false false R30.htm 9955521 - Disclosure - GENERAL AND BASIS OF PRESENTATION - Purchase of Treasury Stock (Details) Sheet http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONPurchaseofTreasuryStockDetails GENERAL AND BASIS OF PRESENTATION - Purchase of Treasury Stock (Details) Details 30 false false R31.htm 9955522 - Disclosure - GENERAL AND BASIS OF PRESENTATION - Solar and Storage Facility Purchase Transaction - Narrative (Details) Sheet http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONSolarandStorageFacilityPurchaseTransactionNarrativeDetails GENERAL AND BASIS OF PRESENTATION - Solar and Storage Facility Purchase Transaction - Narrative (Details) Details 31 false false R32.htm 9955523 - Disclosure - GENERAL AND BASIS OF PRESENTATION - Schedule of Purchase Price Allocation (Details) Sheet http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONScheduleofPurchasePriceAllocationDetails GENERAL AND BASIS OF PRESENTATION - Schedule of Purchase Price Allocation (Details) Details 32 false false R33.htm 9955524 - Disclosure - GENERAL AND BASIS OF PRESENTATION - Equity Investment in Sage - Narrative (Details) Sheet http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONEquityInvestmentinSageNarrativeDetails GENERAL AND BASIS OF PRESENTATION - Equity Investment in Sage - Narrative (Details) Details 33 false false R34.htm 9955525 - Disclosure - GENERAL AND BASIS OF PRESENTATION - TOPP2 Power Plant in New Zealand (Details) Sheet http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONTOPP2PowerPlantinNewZealandDetails GENERAL AND BASIS OF PRESENTATION - TOPP2 Power Plant in New Zealand (Details) Details 34 false false R35.htm 9955526 - Disclosure - GENERAL AND BASIS OF PRESENTATION - Settlement Agreement (Details) Sheet http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONSettlementAgreementDetails GENERAL AND BASIS OF PRESENTATION - Settlement Agreement (Details) Details 35 false false R36.htm 9955527 - Disclosure - GENERAL AND BASIS OF PRESENTATION - Impairment of Long-Lived Assets (Details) Sheet http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONImpairmentofLongLivedAssetsDetails GENERAL AND BASIS OF PRESENTATION - Impairment of Long-Lived Assets (Details) Details 36 false false R37.htm 9955528 - Disclosure - GENERAL AND BASIS OF PRESENTATION - Write-off of Assets (Details) Sheet http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONWriteoffofAssetsDetails GENERAL AND BASIS OF PRESENTATION - Write-off of Assets (Details) Details 37 false false R38.htm 9955529 - Disclosure - GENERAL AND BASIS OF PRESENTATION - Schedule of Cash and Equivalents (Details) Sheet http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONScheduleofCashandEquivalentsDetails GENERAL AND BASIS OF PRESENTATION - Schedule of Cash and Equivalents (Details) Details 38 false false R39.htm 9955530 - Disclosure - GENERAL AND BASIS OF PRESENTATION - Concentration of Credit Risk (Details) Sheet http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONConcentrationofCreditRiskDetails GENERAL AND BASIS OF PRESENTATION - Concentration of Credit Risk (Details) Details 39 false false R40.htm 9955531 - Disclosure - GENERAL AND BASIS OF PRESENTATION - Schedules of Concentration of Risk, by Risk Factor (Details) Sheet http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONSchedulesofConcentrationofRiskbyRiskFactorDetails GENERAL AND BASIS OF PRESENTATION - Schedules of Concentration of Risk, by Risk Factor (Details) Details 40 false false R41.htm 9955532 - Disclosure - GENERAL AND BASIS OF PRESENTATION - Schedule of Allowance for Credit Loss (Details) Sheet http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONScheduleofAllowanceforCreditLossDetails GENERAL AND BASIS OF PRESENTATION - Schedule of Allowance for Credit Loss (Details) Details 41 false false R42.htm 9955533 - Disclosure - GENERAL AND BASIS OF PRESENTATION - Schedule of Total Contract Assets and Contract Liabilities (Details) Sheet http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONScheduleofTotalContractAssetsandContractLiabilitiesDetails GENERAL AND BASIS OF PRESENTATION - Schedule of Total Contract Assets and Contract Liabilities (Details) Details 42 false false R43.htm 9955534 - Disclosure - GENERAL AND BASIS OF PRESENTATION - Revenues from Contracts with Customers (Details) Sheet http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONRevenuesfromContractswithCustomersDetails GENERAL AND BASIS OF PRESENTATION - Revenues from Contracts with Customers (Details) Details 43 false false R44.htm 9955535 - Disclosure - GENERAL AND BASIS OF PRESENTATION - Schedule of Operating Lease, Lease Income (Details) Sheet http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONScheduleofOperatingLeaseLeaseIncomeDetails GENERAL AND BASIS OF PRESENTATION - Schedule of Operating Lease, Lease Income (Details) Details 44 false false R45.htm 9955536 - Disclosure - GENERAL AND BASIS OF PRESENTATION - Transferable Production and Investment Tax Credits (Details) Sheet http://www.ormat.com/role/GENERALANDBASISOFPRESENTATIONTransferableProductionandInvestmentTaxCreditsDetails GENERAL AND BASIS OF PRESENTATION - Transferable Production and Investment Tax Credits (Details) Details 45 false false R46.htm 9955537 - Disclosure - INVENTORIES (Details) Sheet http://www.ormat.com/role/INVENTORIESDetails INVENTORIES (Details) Details http://www.ormat.com/role/INVENTORIESTables 46 false false R47.htm 9955538 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule of Financial Assets and Liabilities Measured at Fair Value (Details) Sheet http://www.ormat.com/role/FAIRVALUEOFFINANCIALINSTRUMENTSScheduleofFinancialAssetsandLiabilitiesMeasuredatFairValueDetails FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule of Financial Assets and Liabilities Measured at Fair Value (Details) Details 47 false false R48.htm 9955539 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule of Gain (Loss) Recognized in the Consolidated Statements of Operations and Comprehensive Income (Loss) (Details) Sheet http://www.ormat.com/role/FAIRVALUEOFFINANCIALINSTRUMENTSScheduleofGainLossRecognizedintheConsolidatedStatementsofOperationsandComprehensiveIncomeLossDetails FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule of Gain (Loss) Recognized in the Consolidated Statements of Operations and Comprehensive Income (Loss) (Details) Details 48 false false R49.htm 9955540 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule of Effect of Derivative Instruments Designated as Cash Flow Hedges (Details) Sheet http://www.ormat.com/role/FAIRVALUEOFFINANCIALINSTRUMENTSScheduleofEffectofDerivativeInstrumentsDesignatedasCashFlowHedgesDetails FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule of Effect of Derivative Instruments Designated as Cash Flow Hedges (Details) Details 49 false false R50.htm 9955541 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule of Fair Value of Long-Term Debt (Details) Sheet http://www.ormat.com/role/FAIRVALUEOFFINANCIALINSTRUMENTSScheduleofFairValueofLongTermDebtDetails FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule of Fair Value of Long-Term Debt (Details) Details 50 false false R51.htm 9955542 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Narrative (Details) Sheet http://www.ormat.com/role/FAIRVALUEOFFINANCIALINSTRUMENTSNarrativeDetails FAIR VALUE OF FINANCIAL INSTRUMENTS - Narrative (Details) Details 51 false false R52.htm 9955543 - Disclosure - STOCK-BASED COMPENSATION - Narrative (Details) Sheet http://www.ormat.com/role/STOCKBASEDCOMPENSATIONNarrativeDetails STOCK-BASED COMPENSATION - Narrative (Details) Details 52 false false R53.htm 9955544 - Disclosure - STOCK-BASED COMPENSATION - Schedule of Fair Value of Stock-Based Award on Assumptions (Details) Sheet http://www.ormat.com/role/STOCKBASEDCOMPENSATIONScheduleofFairValueofStockBasedAwardonAssumptionsDetails STOCK-BASED COMPENSATION - Schedule of Fair Value of Stock-Based Award on Assumptions (Details) Details 53 false false R54.htm 9955545 - Disclosure - INTEREST EXPENSE, NET (Details) Sheet http://www.ormat.com/role/INTERESTEXPENSENETDetails INTEREST EXPENSE, NET (Details) Details http://www.ormat.com/role/INTERESTEXPENSENETTables 54 false false R55.htm 9955546 - Disclosure - EARNINGS PER SHARE - Schedule of Weighted Average Number of Shares (Details) Sheet http://www.ormat.com/role/EARNINGSPERSHAREScheduleofWeightedAverageNumberofSharesDetails EARNINGS PER SHARE - Schedule of Weighted Average Number of Shares (Details) Details 55 false false R56.htm 9955547 - Disclosure - EARNINGS PER SHARE - Narrative (Details) Sheet http://www.ormat.com/role/EARNINGSPERSHARENarrativeDetails EARNINGS PER SHARE - Narrative (Details) Details 56 false false R57.htm 9955548 - Disclosure - BUSINESS SEGMENTS - Narrative (Details) Sheet http://www.ormat.com/role/BUSINESSSEGMENTSNarrativeDetails BUSINESS SEGMENTS - Narrative (Details) Details 57 false false R58.htm 9955549 - Disclosure - BUSINESS SEGMENTS - Schedule of Financial Information of Reportable Segments (Details) Sheet http://www.ormat.com/role/BUSINESSSEGMENTSScheduleofFinancialInformationofReportableSegmentsDetails BUSINESS SEGMENTS - Schedule of Financial Information of Reportable Segments (Details) Details 58 false false R59.htm 9955550 - Disclosure - BUSINESS SEGMENTS - Schedule of Reconciling Information Between Reportable Segments (Details) Sheet http://www.ormat.com/role/BUSINESSSEGMENTSScheduleofReconcilingInformationBetweenReportableSegmentsDetails BUSINESS SEGMENTS - Schedule of Reconciling Information Between Reportable Segments (Details) Details 59 false false R60.htm 9955551 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) Sheet http://www.ormat.com/role/COMMITMENTSANDCONTINGENCIESDetails COMMITMENTS AND CONTINGENCIES (Details) Details http://www.ormat.com/role/COMMITMENTSANDCONTINGENCIES 60 false false R61.htm 9955552 - Disclosure - INCOME TAXES (Details) Sheet http://www.ormat.com/role/INCOMETAXESDetails INCOME TAXES (Details) Details http://www.ormat.com/role/INCOMETAXES 61 false false R62.htm 9955553 - Disclosure - SUBSEQUENT EVENTS (Details) Sheet http://www.ormat.com/role/SUBSEQUENTEVENTSDetails SUBSEQUENT EVENTS (Details) Details http://www.ormat.com/role/SUBSEQUENTEVENTS 62 false false All Reports Book All Reports ora-20260331.htm ora-20260331.xsd ora-20260331_cal.xml ora-20260331_def.xml ora-20260331_lab.xml ora-20260331_pre.xml http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 true true