0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Consolidated Statements of Financial Position link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Consolidated Statements of Operations (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Consolidated Statements of Comprehensive Income (Loss) (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Consolidated Statements of Equity (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Consolidated Statements of Cash Flows (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - PRESENTATION OF FINANCIAL INFORMATION link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - ACCOUNTING FOR RATE REGULATION link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - PROPERTY, PLANT AND EQUIPMENT link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - INVESTMENTS IN OTHER ASSOCIATIONS link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - CASH, CASH EQUIVALENTS AND RESTRICTED CASH AND INVESTMENTS link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - CONTRACT ASSETS AND CONTRACT LIABILITIES link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - OTHER DEFERRED CHARGES link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - LONG-TERM DEBT link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - SHORT-TERM BORROWINGS link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - ASSET RETIREMENT AND ENVIRONMENTAL REMEDIATION OBLIGATIONS link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - OTHER DEFERRED CREDITS AND OTHER LIABILITIES link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - EMPLOYEE BENEFIT PLANS link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - REVENUE link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - LEASES link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - FAIR VALUE link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - DERIVATIVES link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - VARIABLE INTEREST ENTITIES link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - LEGAL link:presentationLink link:calculationLink link:definitionLink 9952175 - Disclosure - SUBSEQUENT EVENT link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - PRESENTATION OF FINANCIAL INFORMATION (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - ACCOUNTING FOR RATE REGULATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - INVESTMENTS IN OTHER ASSOCIATIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - CASH, CASH EQUIVALENTS AND RESTRICTED CASH AND INVESTMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - CONTRACT ASSETS AND CONTRACT LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - OTHER DEFERRED CHARGES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - LONG-TERM DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - SHORT-TERM BORROWINGS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - ASSET RETIREMENT AND ENVIRONMENTAL REMEDIATION OBLIGATIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - OTHER DEFERRED CREDITS AND OTHER LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - EMPLOYEE BENEFIT PLANS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - REVENUE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - LEASES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - FAIR VALUE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - DERIVATIVES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - VARIABLE INTEREST ENTITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - PRESENTATION OF FINANCIAL INFORMATION - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - ACCOUNTING FOR RATE REGULATION (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Electric Plant (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Jointly Owned Facilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Other Plant (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - INVESTMENTS IN OTHER ASSOCIATIONS (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - CASH, CASH EQUIVALENTS AND RESTRICTED CASH AND INVESTMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - CONTRACT ASSETS AND CONTRACT LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - OTHER DEFERRED CHARGES (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - LONG-TERM DEBT - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - LONG-TERM DEBT - Summary (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - LONG-TERM DEBT - Summary (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - SHORT-TERM BORROWINGS (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - ASSET RETIREMENT AND ENVIRONMENTAL REMEDIATION OBLIGATIONS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - ASSET RETIREMENT AND ENVIRONMENTAL REMEDIATION OBLIGATIONS - Summary (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - OTHER DEFERRED CREDITS AND OTHER LIABILITIES - Summary (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - OTHER DEFERRED CREDITS AND OTHER LIABILITIES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - EMPLOYEE BENEFIT PLANS - Postretirement Benefits Other than Pensions - Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - EMPLOYEE BENEFIT PLANS - Postretirement Benefits Other than Pensions - Actuarial Gains and Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - EMPLOYEE BENEFIT PLANS - NRECA Executive Benefit Restoration Plan - Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - EMPLOYEE BENEFIT PLANS - NRECA Executive Benefit Restoration Plan - Actuarial Gains and Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - REVENUE - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - REVENUE - Summary (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - INCOME TAXES (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - LEASES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - LEASES - Lease Components (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - LEASES - Future Minimum Lease Commitments (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - LEASES - Future Minimum Lease Commitments (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - FAIR VALUE (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - DERIVATIVES (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - VARIABLE INTEREST ENTITIES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - VARIABLE INTEREST ENTITIES - Summary (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - LEGAL (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - SUBSEQUENT EVENT (Details) link:presentationLink link:calculationLink link:definitionLink