Debt and Credit Agreements Quarter-End (Tables)

6 Months Ended

Jun. 30, 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 18, 2013 andaresolely utilized to issue letters of credit. As of June 30, 2013, letters of credit issued under these agreements for Generation, ComEd, PECO and BGE totaled $24 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	2.210	%	July 22, 2016	$	3	Used to fund Upstream gas activities
Generation	DOE Project Financing	2.535 - 2.922	%	January 5, 2037	$	197	Funding for Antelope Valley Solar Development
Generation	Energy Efficiency Project Financing	4.400	%	August 31, 2014	$	9	Funding to install energy conservation measures in Beckley, West Virginia
BGE	Senior Notes	3.350	%	July 1, 2023	$	300	Used to partially refinance Notes due July 1, 2013 and for general corporate purposes

Retirement of Long-Term Debt

Company	Type	Interest Rate		Maturity	Amount
Generation	Kennett Square Capital Lease	7.830	%	September 20, 2020		$	1
Generation	Solar Revolver	1.950	%	July 7, 2014		$	6
Generation	Clean Horizons	2.563	%	September 7, 2030		$	1
Generation (a)	Series A Junior Subordinated Debentures	8.625	%	June 15, 2063		$	450
ComEd	First Mortgage Bonds Series 92	7.625	%	April 15, 2013		$	125
BGE	Rate Stabilization Bonds	5.720	%	April 1, 2017		$	33

Company	Type	Interest Rate		Maturity	Amount
ComEd	First Mortgage Bond Series 98	6.15	%	March 15, 2012		$	450
BGE	Rate Stabilization Bonds	5.68	%	April 1, 2017		$	31
BGE	Medium Term Notes	6.73 - 6.75	%	June 15, 2012		$	110
Generation	Kennett Square Capital Lease	7.83	%	September 20, 2020		$	1
Generation	Armstrong Co. tax-exempt	5.00	%	December 1, 2042		$	46
Generation	Solar Revolver	2.49	%	July 7, 2014		$	6
Generation	Upstream Gas Lending Agreement	2.27	%	July 16, 2016		$	3
Exelon	Senior Notes	7.60	%	April 1, 2032		$	441
Exelon	Medium Term Notes	7.30	%	June 1, 2012		$	2