Exhibit 12.2 Statements Re: Computation of Ratios

POTOMAC ELECTRIC POWER COMPANY

	For the Year Ended December 31,
	2014		2013		2012		2011		2010
	(millions of dollars)
Earnings
Net income for common stock	$	171	$	150	$	126	$	99	$	108
Preferred stock dividend		—		—		—		—		—
(Income) or loss from equity investees		—		—		—		—		—
Minority interest loss		—		—		—		—		—
Income tax expense		92		79		48		36		37
Pre-tax income for common stock		263		229		174		135		145
Add: Fixed charges*		128		121		113		111		111
Add: Distributed income of equity investees		—		—		—		—		—
Subtract: Interest capitalized		—		—		—		—		—
Subtract: Pre-tax preferred stock dividend requirement		—		—		—		—		—
Earnings	$	391	$	350	$	287	$	246	$	256
*Fixed Charges Interest on long-term debt	$	116	$	109	$	101	$	97	$	97
Interest capitalized		—		—		—		—		—
Other interest		—		—		—		—		—
Amortization of debt discount, premium, and expense		5		5		5		4		4
Interest component of rentals		7		7		7		10		10
Pre-tax preferred stock dividend requirement		—		—		—		—		—
Fixed charges	$	128	$	121	$	113	$	111	$	111
Ratio of earnings to fixed charges (a)		3.05		2.89		2.54		2.22		2.31

(a) Pepco has no preference 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.