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


                                September 4, 2002
                                (Date of earliest
                                 event reported)






       Commission File           Name of Registrant; State of Incorporation; Address of        IRS Employer
       Number                    Principal Executive Offices; and Telephone Number             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) 765-8200







Item 9. Regulation FD

On September 4, 2002 Oliver D. Kingsley, Jr., Senior Executive Vice President,
made a presentation at the Lehman Brothers Conference in New York City. The
slides used in the presentations are attached to this report as Exhibit 99.1. In
addition, a list of the principal generating assets of Sithe Energies, Inc.
(Sithe) was made available to those who attended the conference, which are
attached as Exhibit 99.2. Exhibit 99.3 contains additional information made
available during the presentation.

This report contains certain forward-looking statements within the meaning of
the Private Securities Litigation Reform Act of 1995. These statements are based
on management's current expectations and are subject to uncertainty and changes
in circumstances. Actual results may vary materially from the expectations
contained herein. The forward-looking statements herein include statements about
future financial and operating results of Exelon Corporation, Commonwealth
Edison Company, PECO Energy Company and Exelon Generation Company, LLC
(Registrants). Economic, business, competitive and/or regulatory factors
affecting Registrant's businesses generally could cause actual results to differ
materially from those described herein. For a discussion of the factors that
could cause actual results to differ materially, please see Exelon's filings
with the Securities and Exchange Commission, particularly those discussed in
"Management's Discussion and Analysis of Financial Condition and Results of
Operations -- Outlook" in Exelon's 2001 Annual Report and those discussed in
"Risk Factors" and "Management's Discussion and Analysis of Financial Condition
and Results of Operations" in Exelon Generation Company, LLC's Registration
Statement on Form S-4, Reg. No. 333-85496. Readers are cautioned not to place
undue reliance on these forward-looking statements, which speak only as of the
date of this report. Registrants do not undertake any obligation to publicly
release any revisions to these forward-looking statements to reflect events or
circumstances after the date of this report.



EXHIBIT INDEX


Exhibit                    Description

99.1     Presentation Slides
99.2     List of the principal generating assets of Sithe Energies, Inc.
99.3     Information made available during the presentation







                                   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/  Ruth Ann M. Gillis
                                        ------------------------------------
                                        Ruth Ann M. Gillis
                                        Senior Vice President
                                        Exelon Corporation


September 4, 2002