Regulatory Assets (net) (Tables)

12 Months Ended

Dec. 31, 2011

Regulatory Assets (net)

Schedule of regulatory assets and liabilities

At December 31,	2011			2010
	(In millions)
Deferred fuel costs
Rate stabilization deferral	$	358.3		$	415.6
Other		61.0			8.8
Electric generation-related regulatory asset		71.4			86.9
Net cost of removal		(218.2	)		(210.5	)
Income taxes recoverable through future rates (net)		71.4			68.3
Deferred BGE Smart Energy Savers Program® costs		123.5			64.3
Deferred Advanced Meter Infrastructure costs		15.4			12.2
Deferred storm costs		12.4			—
Deferred postretirement and postemployment benefit costs		5.2			6.4
Deferred environmental costs		3.1			5.6
Workforce reduction costs		1.1			1.3
Other (net)		(9.0	)		(6.1	)
Total regulatory assets (net)		495.6			452.8
Less: Current portion of regulatory assets (net)		153.7			78.7
Long-term portion of regulatory assets (net)	$	341.9		$	374.1