Exhibit 12.3 Southwestern Electric Power Company Ratio of Earnings to Fixed Charges For Years Ended December 31 1995 1994 1993 1992 1991 (thousands, except ratios) Operating income $162,776 $145,922 $118,057 $145,727 $143,317 Adjustments: Income taxes 41,131 20,622 37,108 31,478 39,785 Provision for deferred income taxes 6,287 22,248 (648) 10,258 5,566 Deferred investment tax credits (4,786) (4,278) (5,193) (6,864) (4,938) Other income and deductions 178 4,656 3,658 537 3,883 Allowance for borrowed and equity funds used during construction 9,334 6,097 2,580 182 978 Interest portion of financing leases 1,896 2,562 2,534 2,783 2,946 Earnings $216,816 $197,829 $158,096 $184,101 $191,537 Fixed charges: Interest on long- term debt $44,468 $43,395 $40,958 $47,490 $48,382 Interest on short- term debt and other 10,706 7,568 4,866 4,073 3,172 Interest portion of financing leases 1,896 2,562 2,534 2,783 2,946 Fixed charges $57,070 $53,525 $48,358 $54,346 $54,500 Ratio of earnings to fixed charges 3.80 3.70 3.27 3.39 3.51