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Exhibit 12

SOUTHERN CALIFORNIA EDISON
RATIOS OF EARNINGS TO FIXED CHARGES AND PREFERRED AND PREFERENCE STOCK
(Millions of Dollars)

	2004			2005			2006			2007			2008			2009

Earnings:
Income from continuing operations before tax and noncontrolling interest	$	1,639		$	1,375		$	1,540		$	1,400		$	1,246		$	1,620
Less: Income from equity investees		—			—			—			—			—			—

Income from continuing operations before income from equity investees, tax and noncontrolling interest		1,639			1,375			1,540			1,400			1,246			1,620
Add:
Fixed charges (see below)		426			411			502			540			520			535
Amortization of capitalized interest		1			1			1			2			2			2
Distributed income of equity investees		—			—			—			—			—			—
Loss of equity investees for which charges arising from guarantees are included in fixed charges		—			—			—			—			—			—
Subtract:
Interest capitalized		(1	)		(1	)		(2	)		(3	)		(3	)		(4	)
Preference security dividend requirements of consolidated subsidiaries—pre-tax basis		(13	)		(34	)		(77	)		(74	)		(75	)		(73	)
Noncontrolling interest of subsidiaries that have not incurred fixed charges—pre-tax basis		(280	)		(334	)		(275	)		(305	)		(170	)		(94	)

Earnings as adjusted	$	1,772		$	1,418		$	1,689		$	1,560		$	1,520		$	1,986

Fixed Charges(1):
Interest expenses—net of capitalized interest and AFUDC	$	409		$	360		$	399		$	429		$	407		$	420
Add: AFUDC		—			14			19			25			27			32

Interest expenses—net of capitalized interest		409			374			418			454			434			452
Interest capitalized(2)		1			1			3			3			3			4
Interest portion of rental expense(3)		1			1			2			8			7			5
Allocable portion of interest on long-term contracts for purchased power(4)		2			1			2			1			1			1
Preferred and preference stock dividend requirement—pre-tax basis		13			34			77			74			75			73

Total fixed charges	$	426		$	411		$	502		$	540		$	520		$	535

Ratio		4.16			3.45			3.36			2.89			2.92			3.71

(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.
(4): Allocable portion of interest included in annual minimum debt service requirement of supplier.

SOUTHERN CALIFORNIA EDISON
RATIOS OF EARNINGS TO FIXED CHARGES
(Millions of Dollars)



Earnings:
Income from continuing operations before tax and noncontrolling interest	1,649		1,379		1,540		1,400		1,246		1,620
Less: Income from equity investees	—		—		—		—		—		—

Income from continuing operations before income from equity investees, tax and noncontrolling interest	1,649		1,379		1,540		1,400		1,246		1,620
Add:
Fixed charges (see below)	403		373		425		466		445		462
Amortization of capitalized interest	1		1		1		2		2		2
Distributed income of equity investees	—		—		—		—		—		—
Loss of equity investees for which charges arising from guarantees are included in fixed charges	—		—		—		—		—		—
Subtract:
Interest capitalized	(1	)	(1	)	(2	)	(3	)	(3	)	(4	)
Preference security dividend requirements of consolidated subsidiaries—pre-tax basis	—		—		—		—		—		—
Noncontrolling interest of subsidiaries that have not incurred fixed charges—pre-tax basis	(280	)	(334	)	(275	)	(305	)	(170	)	(94	)

Earnings as adjusted	1,772		1,418		1,689		1,560		1,520		1,986

Fixed Charges(1):
Interest expenses—net of capitalized interest and AFUDC	399		356		399		429		407		420
Add: AFUDC	—		14		19		25		27		32

Interest expenses—net of capitalized interest	399		370		418		454		434		452
Interest capitalized(2)	1		1		3		3		3		4
Interest portion of rental expense(3)	1		1		2		8		7		5
Allocable portion of interest on long-term contracts for purchased power(4)	2		1		2		1		1		1
Preferred and preference stock dividend requirement—pre-tax basis	—		—		—		—		—		—

Total fixed charges	403		373		425		466		445		462

Ratio	4.40		3.80		3.97		3.35		3.42		4.30

(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.
(4): Allocable portion of interest included in annual minimum debt service requirement of supplier.