. . . EXHIBIT 12 (C) SIERRA PACIFIC POWER COMPANY RATIOS OF EARNINGS TO FIXED CHARGES Year Ended December 31, ------------------------------------------------------------- Amounts in 000's 2005 2004 2003 2002 2001 - --------------------------------------------------- --------- --------- --------- --------- --------- EARNINGS AS DEFINED: Net Income (Loss) After Interest Charges $ 52,074 $ 18,577 $ (23,275) $ (13,968) $ 22,743 Income Taxes 28,379 325 (12,237) (4,491) 10,260 --------- --------- --------- --------- --------- Net Income (Loss) before Income Taxes 80,453 18,902 (35,512) (18,459) 33,003 Fixed Charges 72,652 67,685 101,514 79,303 68,305 Capitalized Interest (1,504) (2,849) (3,276) (1,858) (660) Total $ 151,601 $ 83,738 $ 62,726 $ 58,986 $ 100,648 ========= ========= ========= ========= ========= FIXED CHARGES AS DEFINED: Interest Expensed and Capitalized (1) $ 72,652 $ 67,685 $ 101,514 $ 79,303 $ 68,305 ========= ========= ========= ========= ========= Total $ 72,652 $ 67,685 $ 101,514 $ 79,303 $ 68,305 ========= ========= ========= ========= ========= RATIO OF EARNINGS TO FIXED CHARGES 2.09 1.24 - - 1.47 DEFICIENCY $ - $ - $ 38,788 $ 20,317 $ - ========= ========= ========= ========= ========= - ---------- (1) Includes amortization of premiums, discounts, and capitalized debt expense and interest component of rent expense. For the purpose of calculating the ratios of earnings to fixed charges, "Fixed charges" represent the aggregate of interest charges on short-term and long-term debt, allowance for borrowed funds used during construction (AFUDC) and capitalized interest, and the portion of rental expense deemed to be attributable to interest. "Earnings" represents pre-tax income (or loss) from continuing operations before pre-tax preferred stock dividend requirement, fixed charges and capitalized interest.