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 1994 1995 1996 1997 1998 9/30/99 Fixed Charges: Interest on First Mortgage Bonds. . . . . . . . $ 75,815 $ 80,777 $ 82,082 $ 81,009 $ 72,057 $ 67,621 Interest on Other Long-term Debt. . . . . . . . 16,415 16,404 18,025 28,163 40,642 47,455 Interest on Short-term Debt . . . . . . . . . . 3,366 5,119 3,639 4,569 4,245 5,121 Miscellaneous Interest Charges. . . . . . . . . 3,913 5,323 7,327 6,857 11,470 9,245 Estimated Interest Element in Lease Rentals . . 7,700 7,000 6,600 6,000 5,900 5,900 Total Fixed Charges. . . . . . . . . . . . $107,209 $114,623 $117,673 $126,598 $134,314 $135,342 Earnings: Net Income. . . . . . . . . . . . . . . . . . . $102,345 $115,900 $133,689 $120,514 $ 93,330 $ 97,519 Plus Federal Income Taxes . . . . . . . . . . . 39,599 53,355 65,801 54,835 43,941 50,668 Plus State Income Taxes . . . . . . . . . . . . 5,910 7,273 10,180 8,109 6,845 7,077 Plus Fixed Charges (as above) . . . . . . . . . 107,209 114,623 117,673 126,598 134,314 135,342 Total Earnings . . . . . . . . . . . . . . $255,063 $291,151 $327,343 $310,056 $278,430 $290,606 Ratio of Earnings to Fixed Charges. . . . . . . . 2.37 2.54 2.78 2.44 2.07 2.14