EXHIBIT 12 AMERICAN ELECTRIC POWER COMPANY, INC. Computation of Consolidated Ratio of Earnings to Fixed Charges (in millions except ratio data) Twelve Months Year Ended December 31, Ended ----------------------------------------------------- 1996 1997 1998 1999 2000 6/30/01 ---- ---- ---- ---- ---- ------ Fixed Charges: Interest on Long-term Debt . . . . . . . . . . . $ 679 $ 698 $ 682 $ 773 $ 768 $ 743 Interest on Short-term Debt. . . . . . . . . . . 99 107 134 149 259 239 Miscellaneous Interest Charges . . . . . . . . . 35 50 77 77 161 200 Estimated Interest Element in Lease Rentals. . . 222 221 222 212 217 217 Preferred Stock Dividends. . . . . . . . . . . . 94 45 29 28 32 28 ------ ------ ------ ------ ------ ------ Total Fixed Charges. . . . . . . . . . . . $1,129 $1,121 $1,144 $1,239 $1,437 $1,427 ====== ====== ====== ====== ====== ====== Earnings: Income Before Income Taxes . . . . . . . . . . . $1,394 $1,414 $1,477 $1,468 $ 899 $1,537 Plus Fixed Charges (as above). . . . . . . . . . 1,129 1,121 1,144 1,239 1,437 1,427 Less Undistributed Earnings in Equity Investments. . . . . . . . . . . . . . . 11 36 42 46 46 44 ------ ------ ------ ------ ------ ------ Total Earnings. . . . . . . . . . . . . . . $2,512 $2,499 $2,579 $2,661 $2,290 $3,008 ====== ====== ====== ====== ====== ====== Ratio of Earnings to Fixed Charges . . . . . . . . 2.22 2.22 2.25 2.14 1.59 2.10 ==== ==== ==== ==== ==== ====