Debt and Credit Agreements Quarter-End (Tables)

3 Months Ended

Mar. 31, 2014

Mar. 31, 2013

Commonwealth Edison Co [Member]

Mar. 31, 2013

Baltimore Gas and Electric Company [Member]

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 2018	Letters of credit and cash
Generation
	Syndicated Revolver		5.3	August 2018	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 2019	Letters of credit and cash
PECO
	Syndicated Revolver		0.6	August 2018	Letters of credit and cash
BGE
	Syndicated Revolver		0.6	August 2018	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, 2014 andare solely utilized to issue letters of credit. As of March 31, 2014, letters of credit issued under these agreements for Generation, ComEd, PECO and BGE totaled $20 million, $17 million, $21 million and $1 million, respectively.

184

135

Issuance of Long-Term Debt

Company	Type	Interest Rate		Maturity	Amount		Use of Proceeds
Generation	ExGen Renewables I Project Financing	LIBOR + 4.250%		February 6, 2021	$	300	Used for general corporate purposes
ComEd	Mortgage Bonds Series 115	2.150	%	January 15, 2019	$	300	Used to refinance existing mortgage bonds
ComEd	Mortgage Bonds Series 116	4.700	%	January 15, 2044	$	350	Used to refinance existing mortgage bonds

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	2.720 - 2.810	%	January 5, 2037	$	146	Funding for Antelope Valley Solar Development

Retirement of Long-Term Debt

Company	Type	Interest Rate		Maturity	Amount
Generation	2003 Senior Notes	5.35	%	January 15, 2014		$	500
Generation	Pollution Control Loan	4.10	%	July 1, 2014		$	20
Generation	Continental Wind Project Financing	6.00	%	February 28, 2033		$	11
Generation	Kennett Square Capital Lease	7.83	%	September 20, 2020		$	1
ComEd	Mortgage Bonds Series 110	1.63	%	January 15, 2014		$	600
ComEd	Pollution Control Series 1994C	5.85	%	January 15, 2014		$	17

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