00100 - Statement - Consolidated Statements of Income link:presentationLink link:calculationLink link:definitionLink 00200 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 00300 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 00400 - Statement - Consolidated Statements of Equity link:presentationLink link:calculationLink link:definitionLink 00500 - Statement - Consolidated Statements of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 00090 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 00205 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00405 - Statement - Consolidated Statements of Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00505 - Statement - Consolidated Statements of Comprehensive Income (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 10101 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 10201 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 10301 - Disclosure - REGULATORY MATTERS link:presentationLink link:calculationLink link:definitionLink 10401 - Disclosure - LONG-TERM DEBT link:presentationLink link:calculationLink link:definitionLink 10501 - Disclosure - NOTES PAYABLE link:presentationLink link:calculationLink link:definitionLink 10601 - Disclosure - COMMON STOCK link:presentationLink link:calculationLink link:definitionLink 10701 - Disclosure - STOCK-BASED COMPENSATION link:presentationLink link:calculationLink link:definitionLink 10801 - Disclosure - EARNINGS PER SHARE link:presentationLink link:calculationLink link:definitionLink 10901 - Disclosure - COMMITMENTS link:presentationLink link:calculationLink link:definitionLink 11001 - Disclosure - CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 11101 - Disclosure - BENEFITS PLANS link:presentationLink link:calculationLink link:definitionLink 11201 - Disclosure - PROPERTY, PLANT AND EQUIPMENT AND JOINTLY-OWNED PROJECTS link:presentationLink link:calculationLink link:definitionLink 11301 - Disclosure - ASSET RETIREMENT OBLIGATIONS (ARO) link:presentationLink link:calculationLink link:definitionLink 11401 - Disclosure - INVESTMENTS link:presentationLink link:calculationLink link:definitionLink 11501 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS link:presentationLink link:calculationLink link:definitionLink 11601 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 11701 - Disclosure - SEGMENT INFORMATION link:presentationLink link:calculationLink link:definitionLink 11801 - Disclosure - OTHER INCOME AND EXPENSE link:presentationLink link:calculationLink link:definitionLink 11901 - Disclosure - RELATED PARTY TRANSACTIONS (Idaho Power) link:presentationLink link:calculationLink link:definitionLink 12001 - Disclosure - SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF REGISTRANT link:presentationLink link:calculationLink link:definitionLink 12101 - Disclosure - SCHEDULE II - CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS link:presentationLink link:calculationLink link:definitionLink