Exhibit 12.4 Statements Re: Computation of Ratios

ATLANTIC CITY ELECTRIC COMPANY

	For the Year Ended December 31,
	2011		2010		2009		2008		2007
	(millions of dollars)
Net income	$	39	$	53	$	41	$	64	$	60
Income tax expense		33		43		17		30		41
Fixed charges:
Interest on long-term debt, amortization of discount, premium and expense		71		66		69		64		66
Other interest		3		3		3		3		3
Total fixed charges		74		69		72		67		69
Income before income tax expense and fixed charges	$	146	$	165	$	130	$	161	$	170
Ratio of earnings to fixed charges		1.97		2.39		1.81		2.40		2.46
Total fixed charges, shown above		74		69		72		67		69
Preferred dividend requirements adjusted to a pre-tax amount		—		—		—		—		1
Total fixed charges and preferred dividends	$	74	$	69	$	72	$	67	$	70
Ratio of earnings to fixed charges and preferred dividends		1.97		2.39		1.81		2.40		2.44