EXHIBIT 12 SOUTHERN CALIFORNIA EDISON COMPANY AND CONSOLIDATED UTILITY-RELATED SUBSIDIARIES RATIOS OF EARNINGS TO FIXED CHARGES (Thousands of Dollars) Year Ended December 31, 1990 1991 1992 1993 1994 1995 EARNINGS BEFORE INCOME TAXES AND FIXED CHARGES: Income before interest expense (1) $ 1,289,320 $ 1,172,285 $ 1,190,051 $ 1,127,275 $ 1,081,800 $ 1,143,477 Add: Taxes on income (2) 489,148 412,922 443,548 408,033 452,091 509,632 Rentals (3) 8,840 7,539 4,460 3,463 3,512 4,018 Allocable portion of interest on long-term Contracts for the purchase of power (4) 10,600 1,925 1,908 1,890 1,870 1,848 Spent nuclear fuel interest (6) 1,994 1,683 1,339 487 68 - Amortization of previously capitalized fixed charges 33,910 31,149 22,344 4,878 2,271 1,185 Total earnings before income taxes and fixed charges (A) $ 1,833,812 $ 1,627,503 $ 1,663,650 $ 1,546,026 $ 1,541,612 $ 1,660,160 FIXED CHARGES: Interest and amortization $ 552,567 $ 542,732 $ 517,142 $ 449,230 $ 443,219 $ 463,786 Rentals (3) 8,840 7,539 4,460 3,463 3,512 4,018 Capitalized fixed charges - nuclear fuel (5) 5,261 2,654 873 978 254 1,531 Allocable portion of interest on long-term contracts for the purchase of power (4) 10,600 1,925 1,908 1,890 1,870 1,848 Spent nuclear fuel interest (6) 1,994 1,683 1,339 487 68 - Total fixed charges (B) $ 579,262 $ 556,533 $ 525,722 $ 456,048 $ 448,923 $ 471,183 RATIO OF EARNINGS TO FIXED CHARGES (A) / (B): 3.17 2.92 3.16 3.39 3.43 3.52 (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 fixed charges associated with Nuclear Fuel. (6) Represents interest on spent nuclear fuel disposal obligation.