Exhibit 12(f) System Energy Resources, Inc. Computation of Ratios of Earnings to Fixed Charges and Ratios of Earnings to Fixed Charges 1991 1992 1993 1994 1995 Fixed charges, as defined: Interest on long-term debt $218,538 $196,618 $184,818 $162,517 $136,916 Interest on notes payable 0 0 0 88 473 Amortization of expense and premium on debt-net 7,495 6,417 4,520 6,731 6,104 Interest applicable to rentals 10,007 6,265 6,790 7,546 6,475 Other interest charges 3,617 1,506 1,600 7,168 8,019 -------------------------------------------- Total fixed charges, as defined $239,657 $210,806 $197,728 $184,050 $157,987 ============================================ Earnings as defined: Net Income $104,622 $130,141 $93,927 $5,407 $93,039 Add: Provision for income taxes: Federal and State (26,848) 35,082 48,314 67,477 120,830 Deferred Federal and State - net 37,168 23,648 60,690 (27,374) (41,871) Investment tax credit adjustment - net 63,256 30,123 (30,452) (3,265) (3,466) Fixed charges as above 239,657 210,806 197,728 184,050 157,987 -------------------------------------------- Total earnings, as defined $417,855 $429,800 $370,207 $226,295 $326,519 ============================================ Ratio of earnings to fixed charges, as defined 1.74 2.04 1.87 1.23 2.07 ============================================