Ex12c IDACORP, Inc. Consolidated Financial Information Supplemental Ratio of Earnings to Combined Fixed Charges and Preferred Dividends Requirements Twelve Months Twelve Months Ended December 31, Ended (Thousands of Dollars) September 30, 1994 1995 1996 1997 1998 1999 Earnings, as defined: Income before income taxes $ 101,775 $ 127,342 $ 135,247 $ 133,570 $ 133,806 $ 138,927 Adjust for distributed income of equity investees 326 (2,058) (1,413) (3,943) (4,697) (3,431) Equity in loss of equity method investments 0 0 0 0 458 289 Minority interest in losses of majority owned subsidiaries 0 0 0 0 (125) (62) Supplemental fixed charges and preferred dividends, as below 68,946 72,826 73,018 72,208 72,496 74,024 Total earnings, as defined $ 171,047 $ 198,110 $ 206,852 $ 201,835 $ 201,938 $ 209,747 Fixed charges, as defined: Interest charges $ 54,433 $ 56,456 $ 57,348 $ 60,761 $ 60,677 $ 62,105 Preferred stock dividends of subsidiaries-gross up-Idacorp rate 11,097 12,834 12,079 7,891 8,445 8,401 Rental interest factor 794 925 991 982 801 957 Total fixed charges 66,324 70,215 70,418 69,634 69,923 71,463 Supplemental increment to fixed charges* 2,622 2,611 2,600 2,574 2,573 2,561 Supplemental fixed charges 68,946 72,826 73,018 72,208 72,496 74,024 Preferred dividends requirements 0 0 0 0 0 0 Total combined supplemental fixed charges and preferred dividends $ 68,946 $ 72,826 $ 73,018 $ 72,208 $ 72,496 $ 74,024 Supplemental ratio of earnings to combined fixed charges and preferred dividends 2.48x 2.72x 2.83x 2.80x 2.79x 2.83x *Explanation of increment - Interest on the guaranty of American Falls Reservoir District bonds and Milner Dam, Inc. notes which are already included in operation expenses.