EXHIBIT 12 NEW YORK STATE ELECTRIC & GAS CORPORATION AND SUBSIDIARIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES Calendar Year 1993 1992 1991 1990 1989 (Thousands of Dollars) Net Income (Loss) . . . . . . . . $166,028 $183,968 $168,642 $158,013 $157,779 Add: Federal income tax - current . . 36,024 38,066 29,513 33,072 24,988 Federal income tax - deferred. . 49,726 51,210 53,104 50,925 36,030 -------- -------- -------- -------- -------- Pre-tax income (loss) . . . . . 251,778 273,244 251,259 242,010 218,797 Fixed charges . . . . . . . . . . 153,696 160,253 169,579 178,335 185,505 -------- -------- -------- -------- -------- Earnings, as defined. . . . . . . $405,474 $433,497 $420,838 $420,345 $404,302 ======== ======== ======== ======== ======== Fixed Charges: Interest on long-term debt . . . $134,331 $145,822 $151,649 $158,209 $164,573 Other interest . . . . . . . . . 3,878 3,634 6,481 9,626 10,257 Amortization of premium and expense on debt. . . . . . . . 7,242 5,933 5,396 5,555 5,238 Interest portion of rental charges. . . . . . . . . . . . 8,245 4,864 6,053 4,945 5,437 -------- -------- -------- -------- -------- Total fixed charges, as defined . $153,696 $160,253 $169,579 $178,335 $185,505 ======== ======== ======== ======== ======== Ratio of Earnings to Fixed Charges . . . . . . . . . 2.64 2.71 2.48 2.36 2.18 ======== ======== ======== ======== ========