Credit Facilities and Short-Term Borrowings (Tables)

12 Months Ended

Dec. 31, 2011

Credit Facilities and Short-Term Borrowings

Schedule of bank lines of credit under committed credit facilities

  Constellation Energy had bank lines of credit under committed credit facilities totaling $4.2 billion at December 31, 2011 for short-term financial needs as follows:

Type of Credit Facility	Amount (In billions)		Expiration Date	Capacity Type
Syndicated Revolver(1)	$	2.50	October 2013	Letters of credit and cash
Commodity-linked		0.50	August 2014	Letter of credit and cash
Bilateral		0.55	September 2014	Letters of credit
Bilateral		0.25	December 2014	Letters of credit and cash
Bilateral		0.25	June 2014	Letters of credit and cash
Bilateral		0.15	September 2013	Letters of credit
Total	$	4.20

(1)

Upon closing of the merger with Exelon, the amount available under this facility will be $1.5 billion.

Schedule of net available liquidity

At December 31, 2011	Constellation Energy (excluding BGE)			BGE
	(In billions)
Credit facilities (1)	$	3.7		$	0.6
Less: Letters of credit issued (1)		(1.0	)		—
Less: Cash drawn on credit facilities		—			—
Undrawn facilities		2.7			0.6
Less: Commercial paper outstanding		—			—
Net available facilities		2.7			0.6
Add: Cash and cash equivalents (2)		0.9			—
Net available liquidity	$	3.6		$	0.6

(1)

Excludes $0.5 billion commodity-linked credit facility due to its contingent nature and $0.5 billion in letters of credit posted against it.

(2)

BGE's cash balance at December 31, 2011 was $48.6 million.