UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

July 12, 2005
Date of Report (Date of earliest event reported)

Commission File Number	Exact Name of Registrant as Specified in Its Charter; State of Incorporation; Address of Principal Executive Offices; and Telephone Number	IRS Employer Identification Number
1-16169	EXELON CORPORATION	23-2990190
	(a Pennsylvania corporation)
	10 South Dearborn Street—37th Floor
	P.O. Box 805379
	Chicago, Illinois 60680-5379
	(312) 394-7398
1-1839	COMMONWEALTH EDISON COMPANY	36-0938600
	(an Illinois corporation)
	10 South Dearborn Street — 37th Floor
	P.O. Box 805379
	Chicago, Illinois 60680-5379
	(312) 394-4321
1-1401	PECO ENERGY COMPANY	23-0970240
	(a Pennsylvania corporation)
	P.O. Box 8699
	2301 Market Street
	Philadelphia, Pennsylvania 19101-8699
	(215) 841-4000
333-85496	EXELON GENERATION COMPANY, LLC	23-3064219
	(a Pennsylvania limited liability company)
	300 Exelon Way
	Kennett Square, Pennsylvania 19348
	(610) 765-6900

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
240.14d-2(b))
[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
240.13e-4(c))

TABLE OF CONTENTS

	Section 8 — Other Events. Item 8.01. Other Events.
	Item 9.01. Financial Statements and Exhibits.
SIGNATURES
EXHIBIT INDEX
Press Release
Organization Chart of Executive Leadership upon Occurence of the Merger

Section 8 — Other Events.
Item 8.01. Other Events.

On July 12, 2005, Exelon Corporation (“Exelon”) and Public Service Enterprise Group Incorporated (“PSEG”) issued a press release concerning the announcement of executive leadership to be put in place subsequent to the merger of Exelon and PSEG (“the Merger”). A copy of the press release is attached as Exhibit 99.1 to this Current Report on Form 8-K. A copy of the organization chart reflecting executive leadership upon occurrence of the Merger is attached as Exhibit 99.2 to this Current Report on Form 8-K. Biographical and other information regarding executive officers of PSEG who are expected to become executive officers of Exelon is presented in Part III of PSEG’s Annual Report on Form 10-K filed with the Securities Exchange Commission.

* * * * *

This Current Report on Form 8-K is being filed separately by Exelon, Commonwealth Edison Company (“ComEd”), PECO Energy Company (“PECO”) and Exelon Generation Company, LLC (“Generation”) (collectively, the “Exelon Registrants”). Information contained herein relating to any individual Exelon Registrant has been filed by such registrant on its own behalf. No individual Exelon Registrant makes any representation as to information relating to any other Exelon Registrant.

Forward-Looking Statements

This communication includes “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, for example, statements regarding benefits of the proposed merger of Exelon and PSEG, integration plans, and expected synergies, anticipated future financial and operating performance and results, including estimates for growth. There are a number of risks and uncertainties that could cause actual results to differ materially from the forward-looking statements made herein. A discussion of some of these risks and uncertainties, as well as other risks associated with the proposed merger, is included in the definitive joint proxy statement/prospectus that Exelon filed with the Securities and Exchange Commission on June 3, 2005 under Rule 424(b)(3) (Registration No. 333-122704). Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this communication. Neither Exelon nor PSEG undertakes any obligation to publicly release any revision to its forward-looking statements to reflect events or circumstances after the date of this communication.

Additional Information

The definitive joint proxy statement/prospectus was mailed to shareholders on or around June 10, 2005. WE URGE INVESTORS AND SECURITY HOLDERS TO READ THE DEFINITIVE JOINT PROXY STATEMENT/PROSPECTUS REGARDING THE PROPOSED TRANSACTION AND ANY OTHER RELEVANT DOCUMENTS, BECAUSE THEY CONTAIN IMPORTANT INFORMATION ABOUT EXELON, PSEG AND THE PROPOSED MERGER. Investors and security holders can obtain these materials and other documents filed with the SEC free of charge at the SEC’s website, http://www.sec.gov. In addition, a copy of the definitive joint proxy statement/prospectus may be obtained free of charge from Exelon Corporation, Shareholder Services, 10 South Dearborn Street, P.O. Box 805398, Chicago, Illinois 60680-5398, or from Public Service Enterprise Group Incorporated, Investor Relations, 80 Park Plaza, P.O. Box 1171, Newark, New Jersey 07101-1171.

The respective directors and executive officers of Exelon and PSEG and other persons may be deemed to be participants in the solicitation of proxies in respect of the proposed transaction. Information regarding Exelon’s and PSEG’s directors and executive officers and other participants in the solicitation and a description of their direct and indirect interests, by security holdings or otherwise, is available in the definitive joint proxy statement/prospectus.

Item 9.01. Financial Statements and Exhibits.

(c) Exhibits.

Exhibit No.	Description
99.1	Press Release of Exelon Corporation and Public Service Enterprise Group Incorporated.
99.2	Organization chart of executive leadership upon occurrence of the Merger.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	EXELON CORPORATION
	COMMONWEALTH EDISON COMPANY
	PECO ENERGY COMPANY
	EXELON GENERATION COMPANY, LLC
	/s/ J. Barry Mitchell
	J. Barry Mitchell Senior Vice President, Treasurer and Chief Financial Officer Exelon Corporation
July 12, 2005

EXHIBIT INDEX

Exhibit No.	Description
99.1	Press Release of Exelon Corporation and Public Service Enterprise Group Incorporated.
99.2	Organization chart of executive leadership upon occurrence of the Merger.