Exhibit 12(f) System Energy Resources, Inc. Computation of Ratios of Earnings to Fixed Charges and Ratios of Earnings to Fixed Charges 1996 1997 1998 1999 2000 Fixed charges, as defined: Total Interest $143,720 $128,653 $116,060 $147,982 $118,519 Interest applicable to rentals 6,223 6,065 5,189 3,871 5,753 ----------------------------------------------- Total fixed charges, as defined $149,943 $134,718 $121,249 $151,853 $124,272 =============================================== Earnings as defined: Net Income $98,668 $102,295 $106,476 $82,375 $93,745 Add: Provision for income taxes: Total 82,121 74,654 77,263 53,851 81,263 Fixed charges as above 149,943 134,718 121,249 151,853 124,272 ----------------------------------------------- Total earnings, as defined $330,732 $311,667 $304,988 $288,079 $299,280 =============================================== Ratio of earnings to fixed charges, as defined 2.21 2.31 2.52 1.90 2.41 ===============================================