Exhibit 12.4 Statements Re: Computation of Ratios

ATLANTIC CITY ELECTRIC COMPANY

	For the Year Ended December 31,
	2010		2009		2008		2007		2006
	(millions of dollars)
Income from continuing operations	$	53	$	41	$	64	$	60	$	60
Income tax expense (a)		43		17		30		41		33
Fixed charges:
Interest on long-term debt, amortization of discount, premium and expense		66		69		64		66		65
Other interest		3		3		3		3		3
Total fixed charges		69		72		67		69		68
Income before extraordinary item, income tax expense and fixed charges	$	165	$	130	$	161	$	170	$	161
Ratio of earnings to fixed charges		2.39		1.81		2.40		2.46		2.37
Total fixed charges, shown above		69		72		67		69		68
Preferred dividend requirements adjusted to a pre-tax amount		—		—		—		1		1
Total fixed charges and preferred dividends	$	69	$	72	$	67	$	70	$	69
Ratio of earnings to fixed charges and preferred dividends		2.39		1.81		2.40		2.44		2.35

(a) Concurrent with the adoption of FIN 48 in 2007, amount includes interest on uncertain tax positions.