EXHIBIT 12 APPALACHIAN POWER COMPANY Computation of Consolidated Ratio of Earnings to Fixed Charges (in thousands except ratio data) Twelve Months Year Ended December 31, Ended 1995 1996 1997 1998 1999 3/31/00 Fixed Charges: Interest on First Mortgage Bonds. . . . . . . . $ 80,777 $ 82,082 $ 81,009 $ 72,057 $ 65,697 $ 63,101 Interest on Other Long-term Debt. . . . . . . . 16,404 18,025 28,163 40,642 50,712 54,091 Interest on Short-term Debt . . . . . . . . . . 5,119 3,639 4,569 4,245 5,959 6,865 Miscellaneous Interest Charges. . . . . . . . . 5,323 7,327 6,857 11,470 8,212 6,699 Estimated Interest Element in Lease Rentals . . 7,000 6,600 6,000 5,900 6,100 6,100 Total Fixed Charges. . . . . . . . . . . . $114,623 $117,673 $126,598 $134,314 $136,680 $136,856 Earnings: Net Income. . . . . . . . . . . . . . . . . . . $115,900 $133,689 $120,514 $ 93,330 $120,492 $128,895 Plus Federal Income Taxes . . . . . . . . . . . 53,355 65,801 54,835 43,941 70,950 75,867 Plus State Income Taxes . . . . . . . . . . . . 7,273 10,180 8,109 6,845 5,085 5,557 Plus Fixed Charges (as above) . . . . . . . . . 114,623 117,673 126,598 134,314 136,680 136,856 Total Earnings . . . . . . . . . . . . . . $291,151 $327,343 $310,056 $278,430 $333,207 $347,175 Ratio of Earnings to Fixed Charges. . . . . . . . 2.54 2.78 2.44 2.07 2.43 2.53