EXHIBIT 12 NEW ENGLAND POWER COMPANY Computation of Ratio of Earnings to Fixed Charges (SEC Coverage) (Unaudited) 12 Months Ended September 30, 1996 Years Ended December 31, Actual --- ----------------------------------------------------------- (Unaudited) 1995 1994 1993* 1992* 1991* -------------- ---- ---- ---- ---- ---- (In Thousands) Net Income $151,372 $151,427 $149,373 $141,468 $134,151 $134,747 - ---------- Less undistributed income of nuclear power companies 1,067 707 6 544 320 (240) -------- -------- -------- -------- -------- -------- 150,305 150,720 149,367 140,924 133,831 134,987 Add income taxes and fixed charges - ---------------------------------- Current federal income taxes 75,081 55,094 61,350 62,454 64,417 62,182 Deferred federal income taxes 3,633 21,001 20,501 17,745 4,741 11,134 Investment tax credits - net (1,597) (1,505) (3,577) (2,606) (1,328) (7,732) State income taxes 16,505 16,814 17,328 17,242 14,596 15,526 Interest on long-term debt 45,791 46,797 38,711 45,837 59,382 67,426 Interest on short-term debt and other interest 11,702 10,525 1,956 5,427 2,071 2,490 Estimated interest component of rentals 3,156 3,349 3,635 3,851 4,121 4,115 -------- -------- -------- -------- -------- -------- Net earnings available for fixed charges $304,576 $302,795 $289,271 $290,874 $281,831 $290,128 ======== ======== ======== ======== ======== ======== Fixed charges: Interest on long-term debt $ 45,791 $ 46,797 $ 38,711 $ 45,837 $ 59,382 $ 67,426 Interest on short-term debt and other interest 11,702 10,525 1,956 5,427 2,071 2,490 Estimated interest component of rentals 3,156 3,349 3,635 3,851 4,121 4,115 -------- -------- -------- -------- -------- -------- Total fixed charges $ 60,649 $ 60,671 $ 44,302 $ 55,115 $ 65,574 $ 74,031 ======== ======== ======== ======== ======== ======== Ratio of earnings to fixed charges 5.02 4.99 6.53 5.28 4.30 3.92 - ---------------------------------- * The ratio of earnings to fixed charges for 1993 to 1991 have been restated to reflect the estimated interest component of rentals.