0000001 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL POSITION (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL POSITION (UNAUDITED) (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDER'S EQUITY (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - GENERAL link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - RECENT ACCOUNTING PRONOUNCEMENTS link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - REVENUE link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - ACCOUNTS RECEIVABLE link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - REGULATORY MATTERS link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - DEBT link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - RETIREMENT BENEFITS AND ASSETS HELD IN TRUST link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - STOCKHOLDER'S EQUITY link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - SHARE-BASED COMPENSATION AND EMPLOYEE SHARE PURCHASE PLAN link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - RELATED PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - SEGMENT INFORMATION link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - GENERAL (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - REVENUE (Policies) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - ACCOUNTS RECEIVABLE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - REGULATORY MATTERS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - RETIREMENT BENEFITS AND ASSETS HELD IN TRUST (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - STOCKHOLDER'S EQUITY (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - RELATED PARTY TRANSACTIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - SEGMENT INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - GENERAL (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - RECENT ACCOUNTING PRONOUNCEMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - REVENUE (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - ACCOUNTS RECEIVABLE (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - REGULATORY MATTERS Net Changes in Regulatory Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - REGULATORY MATTERS Schedule of Regulatory Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - REGULATORY MATTERS (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - DEBT Schedule of Revolving Credit Agreements (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - DEBT Schedule of Derivative Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - DEBT (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - RETIREMENT BENEFITS AND ASSETS HELD IN TRUST Schedule of Net Defined Benefit Cost Components (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - RETIREMENT BENEFITS AND ASSETS HELD IN TRUST (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - FAIR VALUE MEASUREMENTS Assets and Liabilities Measured at Fair Value Subject to Three-Tier Hierarchy (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - FAIR VALUE MEASUREMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - STOCKHOLDER'S EQUITY Changes in Accumulated Other Comprehensive Income (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - STOCKHOLDER'S EQUITY (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - SHARE-BASED COMPENSATION AND EMPLOYEE SHARE PURCHASE PLAN (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - RELATED PARTY TRANSACTIONS Schedule of Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - RELATED PARTY TRANSACTIONS Schedule of Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - RELATED PARTY TRANSACTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION Restricted cash reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION Supplemental Cash Flows (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - SEGMENT INFORMATION (Details) link:presentationLink link:calculationLink link:definitionLink