0000001 - Document - COVER PAGE link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONDENSED CONSOLIDATED INCOME STATEMENTS link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EQUITY link:presentationLink link:calculationLink link:definitionLink 9952158 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - GENERAL INFORMATION link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - ACQUISITIONS link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - DISPOSITION link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - OPERATING REVENUES link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - CREDIT LOSSES link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - REGULATORY ASSETS AND LIABILITIES link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - PROPERTY, PLANT, AND EQUIPMENT link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - COMMON EQUITY link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - SHORT-TERM DEBT AND LINES OF CREDIT link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - LONG-TERM DEBT link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - LEASES link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - MATERIALS, SUPPLIES, AND INVENTORIES link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - DERIVATIVE INSTRUMENTS link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - GUARANTEES link:presentationLink link:calculationLink link:definitionLink 9952175 - Disclosure - EMPLOYEE BENEFITS link:presentationLink link:calculationLink link:definitionLink 9952176 - Disclosure - GOODWILL AND INTANGIBLES link:presentationLink link:calculationLink link:definitionLink 9952177 - Disclosure - INVESTMENT IN TRANSMISSION AFFILIATES link:presentationLink link:calculationLink link:definitionLink 9952178 - Disclosure - SEGMENT INFORMATION link:presentationLink link:calculationLink link:definitionLink 9952179 - Disclosure - VARIABLE INTEREST ENTITIES link:presentationLink link:calculationLink link:definitionLink 9952180 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 9952181 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION link:presentationLink link:calculationLink link:definitionLink 9952182 - Disclosure - REGULATORY ENVIRONMENT link:presentationLink link:calculationLink link:definitionLink 9952183 - Disclosure - OTHER INCOME, NET link:presentationLink link:calculationLink link:definitionLink 9952184 - Disclosure - NEW ACCOUNTING PRONOUNCEMENTS link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - GENERAL INFORMATION (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - OPERATING REVENUES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - CREDIT LOSSES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - REGULATORY ASSETS AND LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - COMMON EQUITY (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - SHORT-TERM DEBT AND LINES OF CREDIT (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - LONG-TERM DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - LEASES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - MATERIALS, SUPPLIES, AND INVENTORIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - DERIVATIVE INSTRUMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - GUARANTEES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - EMPLOYEE BENEFITS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - GOODWILL AND INTANGIBLES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - INVESTMENT IN TRANSMISSION AFFILIATES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - SEGMENT INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - VARIABLE INTEREST ENTITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - REGULATORY ENVIRONMENT (Tables) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - OTHER INCOME, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - GENERAL INFORMATION - GENERAL (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - GENERAL INFORMATION - INVESTMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - ACQUISITIONS - WESTON 4 (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - ACQUISITIONS - WHITETAIL (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - ACQUISITIONS - HARDIN III (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - DISPOSITION - PGL (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - OPERATING REVENUES - DISAGGREGATION OF OPERATING REVENUES BY SEGMENT (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - OPERATING REVENUES - DISAGGREGATION OF ELECTRIC UTILITY OPERATING REVENUES BY CUSTOMER CLASS (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - OPERATING REVENUES - DISAGGREGATION OF NATURAL GAS UTILITY OPERATING REVENUES BY CUSTOMER CLASS (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - OPERATING REVENUES - OTHER NON-UTILITY OPERATING REVENUES (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - OPERATING REVENUES - OTHER OPERATING REVENUES (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - CREDIT LOSSES - GROSS RECEIVABLES AND RELATED ALLOWANCES (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - CREDIT LOSSES - ROLLFORWARD OF ALLOWANCES (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - REGULATORY ASSETS AND LIABILITIES - REGULATORY ASSETS (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - REGULATORY ASSETS AND LIABILITIES - REGULATORY LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - PROPERTY, PLANT, AND EQUIPMENT - PLANT TO BE RETIRED - OAK CREEK POWER PLANT UNITS 7 AND 8 (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - PROPERTY, PLANT, AND EQUIPMENT - SAMSON AND DELILAH - STORM DAMAGE (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - PROPERTY, PLANT, AND EQUIPMENT - PGL IMPAIRMENT (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - COMMON EQUITY - STOCK-BASED COMPENSATION AWARDS GRANTED (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - COMMON EQUITY - ATM AND FORWARD SALES CONTRACTS (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - COMMON EQUITY - COMMON STOCK ISSUED (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - COMMON EQUITY - COMMON STOCK DIVIDENDS (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - COMMON EQUITY - EPS (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - SHORT-TERM DEBT AND LINES OF CREDIT - SHORT-TERM BORROWINGS (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - SHORT-TERM DEBT AND LINES OF CREDIT - REVOLVING CREDIT FACILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - LONG-TERM DEBT - CONVERTIBLE DEBT (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - LONG-TERM DEBT - ISSUANCES AND REDEMPTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - LEASES - FINANCE LEASES (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - LEASES - FUTURE MINIMUM LEASE PAYMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - MATERIALS, SUPPLIES, AND INVENTORIES (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - INCOME TAXES - STATUTORY RATE RECONCILIATION (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - INCOME TAXES - CASH PAID (RECEIVED) FOR INCOME TAXES, NET (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - FAIR VALUE MEASUREMENTS - ASSETS AND LIABILITIES MEASURED ON A RECURRING BASIS (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - FAIR VALUE MEASUREMENTS - UNREALIZED GAIN OR LOSS ON INVESTMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - FAIR VALUE MEASUREMENTS - LEVEL 3 RECONCILIATION (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - FAIR VALUE MEASUREMENTS - FINANCIAL INSTRUMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - DERIVATIVE INSTRUMENTS - DERIVATIVE ASSETS AND LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - DERIVATIVE INSTRUMENTS - GAINS (LOSSES) AND NOTIONAL VOLUMES (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - DERIVATIVE INSTRUMENTS - BALANCE SHEET OFFSETTING (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - GUARANTEES (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - EMPLOYEE BENEFITS-COSTS AND CONTRIBUTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - GOODWILL AND INTANGIBLES - GOODWILL (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - GOODWILL AND INTANGIBLES - INDEFINITE LIVED INTANGIBLE ASSETS (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - GOODWILL AND INTANGIBLES - FINITE-LIVED INTANGIBLE ASSETS (Details) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - GOODWILL AND INTANGIBLES - INTANGIBLE LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 9955578 - Disclosure - INVESTMENT IN TRANSMISSION AFFILIATES - CHANGES TO INVESTMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 9955579 - Disclosure - INVESTMENT IN TRANSMISSION AFFILIATES - RELATED PARTY TRANSACTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 9955580 - Disclosure - INVESTMENT IN TRANSMISSION AFFILIATES - RECEIVABLES AND PAYABLES (Details) link:presentationLink link:calculationLink link:definitionLink 9955581 - Disclosure - INVESTMENT IN TRANSMISSION AFFILIATES - SUMMARIZED FINANCIAL DATA (Details) link:presentationLink link:calculationLink link:definitionLink 9955582 - Disclosure - SEGMENT INFORMATION (Details) link:presentationLink link:calculationLink link:definitionLink 9955583 - Disclosure - VARIABLE INTEREST ENTITIES - WEPCO ENVIRONMENTAL TRUST (Details) link:presentationLink link:calculationLink link:definitionLink 9955584 - Disclosure - VARIABLE INTEREST ENTITIES - TRANSMISSION AFFILIATES (Details) link:presentationLink link:calculationLink link:definitionLink 9955585 - Disclosure - COMMITMENTS AND CONTINGENCIES - UNCONDITIONAL PURCHASE OBLIGATIONS (Details) link:presentationLink link:calculationLink link:definitionLink 9955586 - Disclosure - COMMITMENTS AND CONTINGENCIES - ENVIRONMENTAL MATTERS (Details) link:presentationLink link:calculationLink link:definitionLink 9955587 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION - ADDITIONAL INFORMATION (Details) link:presentationLink link:calculationLink link:definitionLink 9955588 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION - RECONCILIATION OF CASH, CASH EQUIVALENTS, AND RESTRICTED CASH (Details) link:presentationLink link:calculationLink link:definitionLink 9955589 - Disclosure - REGULATORY ENVIRONMENT - WI 2027 AND 2028 RATE CASES (Details) link:presentationLink link:calculationLink link:definitionLink 9955590 - Disclosure - REGULATORY ENVIRONMENT - WE VLC AND BESPOKE RESOURCES TARIFFS (Details) link:presentationLink link:calculationLink link:definitionLink 9955591 - Disclosure - REGULATORY ENVIRONMENT - PGL AND NSG 2026 RATE APPLICATION (Details) link:presentationLink link:calculationLink link:definitionLink 9955592 - Disclosure - REGULATORY ENVIRONMENT - PGL AND NSG 2023 RATE ORDER (Details) link:presentationLink link:calculationLink link:definitionLink 9955593 - Disclosure - REGULATORY ENVIRONMENT - PGL AND NSG UEA RIDER (Details) link:presentationLink link:calculationLink link:definitionLink 9955594 - Disclosure - REGULATORY ENVIRONMENT - PGL QIP RIDER (Details) link:presentationLink link:calculationLink link:definitionLink 9955595 - Disclosure - REGULATORY ENVIRONMENT - UMERC AREP (Details) link:presentationLink link:calculationLink link:definitionLink 9955596 - Disclosure - OTHER INCOME, NET (Details) link:presentationLink link:calculationLink link:definitionLink