Exhibit 12f Idaho Power Company Consolidated Financial Information Ratio of Earnings to Combined Fixed Charges and Preferred Dividends Requirements Twelve Months Twelve Months Ended December 31, Ended (Thousand of Dollars) June 30, 1994 1995 1996 1997 1998 1999 Earnings, as defined: Income before income taxes $109,173 $135,333 $142,710 $138,746 $140,984 $148,063 Adjust for distributed income of equity investees 326 (2,058) (1,413) (3,943) (4,697) (7,074) Equity in loss of equity method investments 0 0 0 0 47 476 Minority interest in losses of majority owned subsidiaries 0 0 0 0 (125) (115) Fixed charges, as below 55,227 57,381 58,339 61,743 61,394 62,275 Total earnings, as defined $164,726 $190,656 $199,636 $196,546 $198,032 $203,625 Fixed charges, as defined: Interest charges $ 54,433 $ 56,456 $ 57,348 $ 60,761 $ 60,593 $ 61,333 Rental interest factor 794 925 991 982 801 942 Total fixed charges 55,227 57,381 58,339 61,743 61,394 62,275 Preferred stock dividends-gross up Idaho Power rate 10,682 12,392 12,146 7,803 8,275 8,857 Total combined fixed charges and preferred dividends $ 65,909 $ 69,773 $ 70,485 $ 69,546 $ 69,669 $ 71,132 Ratio of earnings to combined fixed charges and preferred dividends 2.50x 2.73x 2.83x 2.83x 2.84x 2.86x