Ex-12f Idaho Power Company Consolidated Financial Information Ratio of Earnings to Combined Fixed Charges and Preferred Dividends Requirements Twelve Months Ended December 31, Twelve Months (Thousands of Dollars) Ended March 31, 1994 1995 1996 1997 1998 1999 Earnings, as defined: Income before income taxes.................. $109,173 $135,333 $142,710 $138,746 $140,984 $145,770 Adjust for distributed income of equity investees................................. 326 (2,058) (1,413) (3,943) (4,697) (7,490) Equity in loss of equity mehtod investments............................... 0 0 0 0 476 611 Minority interest in losses of majority owned subs................................ 0 0 0 0 (125) (102) Fixed charges, as below..................... 55,227 57,381 58,339 61,743 61,478 61,926 Total earnings, as defined.............. $164,726 $190,656 $199,636 $196,546 $198,116 $200,715 Fixed charges, as defined: Interest charges............................ $54,433 $56,456 $57,348 $60,761 $60,677 $60,992 Rental interest factor...................... 794 925 991 982 801 934 Total fixed charges..................... 55,227 57,381 58,339 61,743 61,478 61,926 Preferred stock dividends-gross up-Ipco rate...................................... 10,682 12,392 12,146 7,803 8,275 8,357 Total combined fixed charges and preferred dividends.................. $65,909 $69,773 $70,485 $69,546 $69,753 $70,283 Ratio of earnings to combined fixed charges and preferred dividends.......................... 2.50x 2.73x 2.83x 2.83x 2.84x 2.86x Exhibit 12-F