Exhibit 12.4

ATLANTIC CITY ELECTRIC COMPANY

				For the Year Ended December 31,
	Three Months Ended March 31, 2013			2012		2011		2010		2009
	(millions of dollars)
Earnings
Net income for common stock	$	9		$	35	$	39	$	53	$	41
Preferred stock dividend		—			—		—		—		—
(Income) or loss from equity investees		—			—		—		—		—
Minority interest loss		—			—		—		—		—
Income tax (benefit) expense		(3	)		18		33		43		17
Pre-tax income for common stock		6			53		72		96		58
Add: Fixed charges*		18			75		74		69		72
Add: Distributed income of equity investees		—			—		—		—		—
Subtract: Interest capitalized		—			—		—		—		—
Subtract: Pre-tax preferred stock dividend requirement		—			—		—		—		—
Earnings	$	24		$	128	$	146	$	165	$	130
*Fixed Charges
Interest on long-term debt	$	17		$	69	$	69	$	63	$	67
Interest capitalized		—			—		—		—		—
Other interest		—			—		—		—		—
Amortization of debt discount, premium, and expense		—			2		2		3		2
Interest component of rentals		1			4		3		3		3
Pre-tax preferred stock dividend requirement		—			—		—		—		—
Fixed charges	$	18		$	75	$	74	$	69	$	72
Ratio of earnings to fixed charges (a)		1.33			1.71		1.97		2.39		1.81

(a) ACE has no preferred equity securities outstanding, therefore the ratio of earnings to fixed charges is equal to the ratio of earnings to combined fixed charges and preferred stock dividends.