SOUTHERN CALIFORNIA EDISON (SCE-PN) 8-K Other Events

Exhibit 12.1

SOUTHERN CALIFORNIA EDISON COMPANY
RATIOS OF EARNINGS TO FIXED CHARGES AND PREFERRED AND PREFERENCE STOCK
	(Millions of Dollars)
								3 Months	3 Months	12 Months
								Ended	Ended	Ended
	Earnings:		2007	2008	2009	2010	2011	March 31, 2011	March 31, 2012	March 31, 2012
	Income from continuing operations
		before tax and noncontrolling interest	$   1,400	$   1,246	$   1,620	$   1,532	$1,745	$                 359	$                    300	$                   1,686
	Less: Income from equity investees		-	-	-	-	-	-	-	-
	Income from continuing operations before income
		from equity investees, tax and noncontrolling interest	1,400	1,246	1,620	1,532	1,745	359	300	1,686
	Add:
	Fixed charges (see below)		540	520	535	565	613	148	163	628
	Amortization of capitalized interest		2	2	2	2	4	1	1	4
	Distributed income of equity investees		-	-	-	-	-	-	-	-
	Loss of equity investees for which charges arising from
		guarantees are included in fixed charges	-	-	-	-	-	-	-	-
	Subtract:
	Interest capitalized		(3)	(3)	(4)	(7)	(4)	(2)	(2)	(4)
	Preference security dividend requirements of
		consolidated subsidiaries - pre-tax basis	(74)	(75)	(73)	(73)	(90)	(21)	(28)	(97)
	Noncontrolling interest of subsidiaries that have not incurred
		fixed charges - pre-tax basis	(305)	(170)	(94)	-	-	-	-	-
	Earnings as adjusted		$   1,560	$   1,520	$   1,986	$   2,019	$2,268	$                 485	$                    434	$                   2,217
	Fixed Charges (1):
	Interest expenses - net of capitalized interest and AFUDC		$     429	$     407	$     420	$     429	$   463	$                 111	$                    121	$                      473
	Add: AFUDC		25	27	32	43	42	11	8	39
	Interest expenses - net of capitalized interest		454	434	452	472	505	122	129	512
	Interest capitalized (2)		3	3	4	7	4	2	2	4
	Interest portion of rental expense (3)		9	8	6	13	14	3	4	15
	Preferred and preference stock dividend
		requirement - pre-tax basis	74	75	73	73	90	21	28	97
	Total fixed charges		$     540	$     520	$     535	$     565	$   613	$                 148	$                    163	$                      628
	Ratio		2.89	2.92	3.71	3.57	3.70	3.28	2.66	3.53
	(1)	Interest expenses associated with income taxes are reflected as a component of income tax expense
		and are excluded from the determination of fixed charges.
	(2)	Includes fixed charges associated with Nuclear Fuel and capitalized interest of fifty-percent owned
		partnership.
	(3)	Rentals include the interest factor relating to certain significant rentals plus one-third of all remaining annual rentals,
		except for amounts allocated to power purchase contracts that are classified as operating leases.