Exhibit 12a PUGET SOUND POWER & LIGHT COMPANY STATEMENT SETTING FORTH COMPUTATIONS OF RATIOS OF EARNINGS TO FIXED CHARGES (Dollars in Thousands) Year Ended December 31 12 Months Ending --------------------------------------------------- September 30, 1996 1995 1994 1993 1992 1991 ---------------- --------------------------------------------------- EARNINGS AVAILABLE FOR FIXED CHARGES Pre-tax income: Net income per statement of income $133,263 $135,720 $120,059 $138,327 $135,720 $132,777 Federal income taxes 85,815 84,545 80,259 83,970 72,449 56,180 Federal income taxes charged to other income - net 551 (488) 1,556 (382) (2,106) (2,267) Undistributed (earnings) or losses of less-than-fifty-percent-owned entities -- -- -- -- (567) (16) ------- --------------------------------------------------- Total $219,629 $219,777 $201,874 $221,915 $205,496 $186,674 Fixed charges: Interest on long-term debt $ 73,807 $ 81,115 $ 84,144 $ 86,030 $ 89,509 $ 84,791 Other interest 8,936 10,049 6,249 3,542 10,477 6,384 Portion of rentals representative of the interest factor 3,360 3,798 4,218 3,937 4,474 4,463 ------- --------------------------------------------------- Total $ 86,103 $ 94,962 $ 94,611 $ 93,509 $104,460 $ 95,638 Earnings available for fixed charges $305,732 $314,739 $296,485 $315,424 $309,956 $282,312 ======= =================================================== RATIO OF EARNINGS TO FIXED CHARGES 3.55x 3.31x 3.13x 3.37x 2.97x 2.95x Exhibit 12b Page 1 PUGET SOUND POWER & LIGHT COMPANY STATEMENT SETTING FORTH COMPUTATIONS OF RATIOS OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS (Dollars in Thousands) Year Ended December 31 12 Months Ending ---------------------------------------------------- September 30, 1996 1995 1994 1993 1992 1991 ---------------- ---------------------------------------------------- EARNINGS AVAILABLE FOR COMBINED FIXED CHARGES AND PREFERRED DIVIDEND REQUIREMENTS Pretax Income: Net Income per statement of income $133,263 $135,720 $120,059 $138,327 $135,720 $132,777 Federal income taxes 85,815 84,545 80,259 83,970 72,449 56,180 Federal income taxes charged to other income - net 551 (488) 1,556 (382) (2,106) (2,267) ------- --------------------------------------------------- Subtotal $219,629 $219,777 $201,874 $221,915 $206,063 $186,690 Undistributed (earnings) or losses of less-than-fifty-percent-owned entities -- -- -- -- (567) (16) ------- --------------------------------------------------- Total $219,629 $219,777 $201,874 $221,915 $205,496 $186,674 Fixed charges: Interest on long-term debt $ 73,807 $ 81,115 $ 84,144 $ 86,030 $ 89,509 $ 84,791 Other interest 8,936 10,049 6,249 3,542 10,477 6,384 Portion of rentals representative of the interest factor 3,360 3,798 4,218 3,937 4,474 4,463 ------- --------------------------------------------------- Total $ 86,103 $ 94,962 $ 94,611 $ 93,509 $104,460 $ 95,638 Earnings available for combined fixed charges and preferred dividend requirements $305,732 $314,739 $296,485 $315,424 $309,956 $282,312 ======= =================================================== Exhibit 12b Page 2 PUGET SOUND POWER & LIGHT COMPANY STATEMENT SETTING FORTH COMPUTATIONS OF RATIOS OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS (Dollars in Thousands) Year Ended December 31 12 Months Ending ---------------------------------------------------- September 30, 1996 1995 1994 1993 1992 1991 ---------------- ---------------------------------------------------- DIVIDEND REQUIREMENT: Fixed charges above $ 86,103 $ 94,962 $ 94,611 $ 93,509 $104,460 $ 95,638 Preferred dividend requirements 24,950 25,144 26,451 26,377 21,080 14,115 ------- --------------------------------------------------- Total $111,053 $120,106 $121,062 $119,886 $125,540 $109,753 ======= =================================================== RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS 2.75x 2.62x 2.45x 2.63x 2.47x 2.57x COMPUTATION OF PREFERRED DIVIDEND REQUIREMENTS: (a) Pre-tax income $219,629 $219,777 $201,874 $221,915 $206,063 $186,690 (b) Net income $133,263 $135,720 $120,059 $138,327 $135,720 $132,777 (c) Ratio of (a) to (b) 1.6481 1.6193 1.6815 1.6043 1.5183 1.4060 (d) Preferred dividends $ 15,139 $ 15,527 $ 15,731 $ 16,442 $ 13,884 $ 10,039 Preferred dividend requirements [(d) multiplied by (c)] $ 24,950 $ 25,144 $ 26,451 $ 26,377 $ 21,080 $ 14,115 ======= ===================================================