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


                                  June 11, 2003
                        (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) 765-6900








Item 9. Regulation FD Disclosure

On June 11, 2003, Robert S. Shapard, Executive Vice President and Chief
Financial Officer of Exelon Corporation, made a presentation to investors at the
Deutsche Bank Securities, Inc. 8th Annual Electric Power Conference. Attached as
Exhibits to this Current Report on Form 8-K are the slides and handouts used in
Mr. Shapard's presentation.

Exhibit Index

Exhibit No.    Description
     99.1      Slide Presentation
     99.2      Sithe Assets
     99.3      Exelon New England Plants
     99.4      Midwest Generation PPA Options

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

Except for the historical information contained herein, certain of the matters
discussed in this Report are forward-looking statements, within the meaning of
the Private Securities Litigation Reform Act of 1995, that are subject to risks
and uncertainties. The factors that could cause actual results to differ
materially from the forward-looking statements made by a registrant include
those discussed herein, as well as those discussed in (a) the Registrants' 2002
Annual Report on Form 10-K - ITEM 7. Management's Discussion and Analysis of
Financial Condition and Results of Operations--Business Outlook and the
Challenges in Managing Our Business for Exelon, ComEd, PECO and Generation, (b)
the Registrants' 2002 Annual Report on Form 10-K - ITEM 8. Financial Statements
and Supplementary Data: Exelon - Note 19, ComEd - Note 16, PECO - Note 18 and
Generation - Note 13 and (c) other factors discussed in filings with the United
States Securities and Exchange Commission (SEC) by the Registrants.
Readers are cautioned not to place undue reliance on these forward-looking
statements, which apply only as of the date of this Report. None of the
Registrants undertakes any obligation to publicly release any revision to its
forward-looking statements to reflect events or circumstances after the date of
this Report.







                                   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/  Robert S. Shapard
                                   ------------------------------------
                                   Robert S. Shapard
                                   Executive Vice President and
                                   Chief Financial Officer
                                   Exelon Corporation


June 11, 2003