0000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 0020 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 0025 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0010 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF INCOME link:presentationLink link:calculationLink link:definitionLink 0030 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CAPITALIZATION link:presentationLink link:calculationLink link:definitionLink 0031 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CAPITALIZATION CALC 2 link:presentationLink link:calculationLink link:definitionLink 0032 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CAPITALIZATION CALC 3 link:presentationLink link:calculationLink link:definitionLink 0035 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CAPITALIZATION (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0040 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 1010 - Disclosure - FINANCIAL INFORMATION link:presentationLink link:calculationLink link:definitionLink 1020 - Disclosure - CASH AND CASH EQUIVALENTS link:presentationLink link:calculationLink link:definitionLink 1030 - Disclosure - RISK MANAGEMENT ACTIVITIES link:presentationLink link:calculationLink link:definitionLink 1040 - Disclosure - AGREEMENT TO PURCHASE FOX ENERGY CENTER link:presentationLink link:calculationLink link:definitionLink 1050 - Disclosure - SHORT-TERM DEBT AND LINES OF CREDIT link:presentationLink link:calculationLink link:definitionLink 1060 - Disclosure - LONG-TERM DEBT link:presentationLink link:calculationLink link:definitionLink 1070 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 1080 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 1090 - Disclosure - EMPLOYEE BENEFIT PLANS link:presentationLink link:calculationLink link:definitionLink 1100 - Disclosure - STOCK-BASED COMPENSATION link:presentationLink link:calculationLink link:definitionLink 1110 - Disclosure - COMMON EQUITY link:presentationLink link:calculationLink link:definitionLink 1120 - Disclosure - VARIABLE INTEREST ENTITIES link:presentationLink link:calculationLink link:definitionLink 1130 - Disclosure - FAIR VALUE link:presentationLink link:calculationLink link:definitionLink 1140 - Disclosure - MISCELLANEOUS INCOME link:presentationLink link:calculationLink link:definitionLink 1150 - Disclosure - REGULATORY ENVIRONMENT link:presentationLink link:calculationLink link:definitionLink 1160 - Disclosure - SEGMENTS OF BUSINESS link:presentationLink link:calculationLink link:definitionLink 1170 - Disclosure - NEW ACCOUNTING PRONOUNCEMENTS link:presentationLink link:calculationLink link:definitionLink 1180 - Disclosure - RELATED PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 3020 - Disclosure - CASH AND CASH EQUIVALENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 3030 - Disclosure - RISK MANAGEMENT ACTIVITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 3050 - Disclosure - SHORT-TERM DEBT AND LINES OF CREDIT (Tables) link:presentationLink link:calculationLink link:definitionLink 3070 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 3090 - Disclosure - EMPLOYEE BENEFIT PLANS (Tables) link:presentationLink link:calculationLink link:definitionLink 3100 - Disclosure - STOCK-BASED COMPENSATION (Tables) link:presentationLink link:calculationLink link:definitionLink 3130 - Disclosure - FAIR VALUE (Tables) link:presentationLink link:calculationLink link:definitionLink 3140 - Disclosure - MISCELLANEOUS INCOME (Tables) link:presentationLink link:calculationLink link:definitionLink 3160 - Disclosure - SEGMENTS OF BUSINESS (Tables) link:presentationLink link:calculationLink link:definitionLink 3180 - Disclosure - RELATED PARTY TRANSACTIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 4010 - Disclosure - FINANCIAL INFORMATION (Details) link:presentationLink link:calculationLink link:definitionLink 4020 - Disclosure - CASH AND CASH EQUIVALENTS (Details) link:calculationLink link:definitionLink link:presentationLink 4030 - Disclosure - RISK MANAGEMENT ACTIVITIES (Details) link:presentationLink link:calculationLink link:definitionLink 4031 - Disclosure - RISK MANAGEMENT ACTIVITIES (Details 2) link:presentationLink link:calculationLink link:definitionLink 4040 - Disclosure - AGREEMENT TO PURCHASE FOX ENERGY CENTER (Details) link:presentationLink link:calculationLink link:definitionLink 4050 - Disclosure - SHORT-TERM DEBT AND LINES OF CREDIT (Details) link:presentationLink link:calculationLink link:definitionLink 4051 - Disclosure - SHORT-TERM DEBT AND LINES OF CREDIT (Details 2) link:presentationLink link:calculationLink link:definitionLink 4060 - Disclosure - LONG-TERM DEBT (Details) link:presentationLink link:calculationLink link:definitionLink 4070 - Disclosure - INCOME TAXES (Details) link:presentationLink link:calculationLink link:definitionLink 4080 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) link:presentationLink link:calculationLink link:definitionLink 4081 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details 2) link:presentationLink link:calculationLink link:definitionLink 4090 - Disclosure - EMPLOYEE BENEFIT PLANS (Details) link:presentationLink link:calculationLink link:definitionLink 4100 - Disclosure - STOCK-BASED COMPENSATION (Details) link:presentationLink link:calculationLink link:definitionLink 4101 - Disclosure - STOCK-BASED COMPENSATION (Details 2) link:presentationLink link:calculationLink link:definitionLink 4102 - Disclosure - STOCK-BASED COMPENSATION (Details 3) link:presentationLink link:calculationLink link:definitionLink 4110 - Disclosure - COMMON EQUITY (Details) link:presentationLink link:calculationLink link:definitionLink 4120 - Disclosure - VARIABLE INTEREST ENTITIES (Details) link:presentationLink link:calculationLink link:definitionLink 4130 - Disclosure - FAIR VALUE (Details) link:presentationLink link:calculationLink link:definitionLink 4131 - Disclosure - FAIR VALUE (Details 2) link:presentationLink link:calculationLink link:definitionLink 4132 - Disclosure - FAIR VALUE (Details 3) link:presentationLink link:calculationLink link:definitionLink 4133 - Disclosure - FAIR VALUE (Details 4) link:presentationLink link:calculationLink link:definitionLink 4140 - Disclosure - MISCELLANEOUS INCOME (Details) link:presentationLink link:calculationLink link:definitionLink 4150 - Disclosure - REGULATORY ENVIRONMENT (Details) link:presentationLink link:calculationLink link:definitionLink 4160 - Disclosure - SEGMENTS OF BUSINESS (Details) link:presentationLink link:calculationLink link:definitionLink 4180 - Disclosure - RELATED PARTY TRANSACTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 8000 - Statement - CONSOLIDATED STATEMENTS OF COMMON SHAREHOLDER'S EQUITY link:presentationLink link:calculationLink link:definitionLink 8010 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 8020 - Disclosure - RESTRUCTURING EXPENSE link:presentationLink link:calculationLink link:definitionLink 8030 - Disclosure - PROPERTY, PLANT, AND EQUIPMENT link:presentationLink link:calculationLink link:definitionLink 8040 - Disclosure - JOINTLY OWNED UTILITY FACILITIES link:presentationLink link:calculationLink link:definitionLink 8050 - Disclosure - REGULATORY ASSETS AND LIABILITIES link:presentationLink link:calculationLink link:definitionLink 8060 - Disclosure - LEASES link:presentationLink link:calculationLink link:definitionLink 8070 - Disclosure - ASSET RETIREMENT OBLIGATIONS link:presentationLink link:calculationLink link:definitionLink 8080 - Disclosure - GUARANTEES link:presentationLink link:calculationLink link:definitionLink 8090 - Disclosure - PREFERRED STOCK link:presentationLink link:calculationLink link:definitionLink 8100 - Disclosure - QUARTERLY FINANCIAL INFORMATION (Unaudited) link:presentationLink link:calculationLink link:definitionLink 8110 - Disclosure - SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS link:presentationLink link:calculationLink link:definitionLink