Debt and Credit Agreements Quarter-End (Tables)

3 Months Ended

Mar. 31, 2013

Debt and Credit Agreements [Line Items]

Commercial paper and credit facility borrowings outstanding

Type of Credit Facility		Amount (a)		Expiration Dates	Capacity Type
Exelon Corporate		(In billions)
	Syndicated Revolver	$	0.5	August 2017	Letters of credit and cash
Generation
	Syndicated Revolver		5.3	August 2017	Letters of credit and cash
	Bilateral		0.3	December 2015 and March 2016	Letters of credit and cash
	Bilateral		0.1	January 2015	Letters of credit
ComEd
	Syndicated Revolver		1.0	March 2018	Letters of credit and cash
PECO
	Syndicated Revolver		0.6	August 2017	Letters of credit and cash
BGE
	Syndicated Revolver		0.6	August 2017	Letters of credit and cash
	Total	$	8.4

• Excludes additional credit facility agreements for Generation, ComEd, PECO and BGE with aggregate commitments of $50 million, $34 million, $34 million and $5 million, respectively, arranged with minority and community banks located primarily within ComEd's, PECO's and BGE's service territories. These facilities expire on October 19, 2013 andaresolely utilized to issue letters of credit. As of March 31, 2013, letters of credit issued under these agreements totaled $25 million, $26 million, $21 million and $1 million, respectively.

Issuance of Long-Term Debt

Company	Type	Interest Rate		Maturity	Amount		Use of Proceeds
Generation	Upstream Gas Lending Agreement	2.21	%	July 22, 2016	$	3	Used to fund Upstream gas activities
Generation	DOE Project Financing	2.72 - 2.81	%	January 5, 2037		146	Funding for Antelope Valley Solar Development

Retirement of Long-Term Debt

Company	Type	Interest Rate		Maturity	Amount
Generation	Kennett Square Capital Lease	7.83	%	September 20, 2020		$	1

Company	Type	Interest Rate		Maturity	Amount
ComEd	First Mortgage Bond Series 98	6.15	%	March 15, 2012		$	450
Generation	Kennett Square Capital Lease	7.83	%	September 20, 2020		$	1