1 EXHIBIT 12 SCECORP COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES (UNAUDITED) YEAR ENDED DECEMBER 31, --------------------------------------------------------------- 1989 1990 1991 1992 1993 -------- -------- -------- -------- -------- (IN THOUSANDS) EARNINGS BEFORE INCOME TAXES AND FIXED CHARGES: (7) INCOME BEFORE INTEREST EXPENSE (1) . . . . $1,406,256 $1,426,257 $1,326,008 $1,325,569 $1,203,577 ADD: Taxes on income (2) . . . . . . . . . . . 576,348 506,252 435,853 466,006 353,706 Rentals (3) . . . . . . . . . . . . . . . 9,843 8,840 7,539 4,460 3,463 Allocable portion of interest on long-term contracts for the purchase of power (4) . . . . . . 19,361 10,600 1,925 1,908 1,890 Interest on partnership indebtedness (5) . . . . . . . . . . . 29,791 47,054 45,996 38,070 41,091 Spent nuclear fuel interest (8) . . . . . 2,273 1,994 1,683 1,339 487 Amortization of previously capitalized fixed charges . . . . . . 33,636 35,399 32,845 24,170 6,760 ---------- ---------- ---------- ---------- ---------- TOTAL EARNINGS BEFORE INCOME TAXES AND FIXED CHARGES (A) . . . . . . . $2,077,508 $2,036,396 $1,851,849 $1,861,522 $1,610,974 ========== ========== ========== ========== ========== FIXED CHARGES: (7) Interest and amortization . . . . . . . . $ 583,509 $ 595,771 $ 581,165 $ 544,593 $ 523,808 Rentals (3) . . . . . . . . . . . . . . . 9,843 8,840 7,539 4,460 3,463 Capitalized interest (6) . . . . . . . . 23,253 21,069 24,053 35,115 73,808 Allocable portion of interest on long-term contracts for the purchase of power (4) . . . . . . 19,361 10,600 1,925 1,908 1,890 Spent nuclear fuel interest (8) . . . . . 2,273 1,994 1,683 1,339 487 Interest on partnership indebtedness (5) . . . . . . . . . . . 29,791 47,054 45,996 38,070 41,091 Subsidiary preferred and preference stock dividends -- pre-tax basis . . . 77,469 72,528 68,435 68,911 63,261 ---------- --------- ---------- ---------- ---------- TOTAL FIXED CHARGES (B) . . . . . . . . . . $ 745,499 $ 757,856 $ 730,796 $ 694,396 $ 707,808 ========== ========== ========== ========== ========== RATIO OF EARNINGS TO FIXED CHARGES (A)/(B): . . . . . . . . . 2.79 2.69* 2.53* 2.68 2.28 ========== ========== ========== ========== ========== (1) Includes allowance for funds used during construction and accrual of unbilled revenue. (2) Includes allocation of federal income and state franchise taxes to other income. (3) Rentals include the interest factor relating to certain significant rentals plus one-third of all remaining annual rentals. (4) Allocable portion of interest included in annual minimum debt service requirement of supplier. (5) Includes the allocable portion of interest on project indebtedness of fifty-percent partnership investments by other wholly-owned subsidiaries of SCEcorp. (6) Includes the fixed charges associated with the Nuclear Fuel Lease and capitalized interest of fifty-percent owned partnerships. (7) Effective July 1, 1988, SCEcorp acquired all of the issued and outstanding common stock of Southern California Edison Company (Edison). Pursuant to Securities and Exchange Commission Rules, SCEcorp's fixed charges include the pre-tax dividend requirements for Edison's preferred and preference stock. (8) Represents interest on spent nuclear fuel disposal obligation. * Reflects restatement of The Mission Group financial statements.