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


                                  May 14, 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) 394-4321

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 Disclosure

On May 14, 2002, Ruth Ann M. Gillis, Senior Vice President and CFO of Exelon
Corporation, made a presentation to investors at the Salomon Smith Barney Power
& Merchant Energy 2002 Conference. Attached as Exhibit 99.1 to this Current
Report on Form 8-K are the slides used in Ms. Gillis' presentation. In addition,
the following materials were made available to investors attending the
conference:

1.   Overview of Generation Assets and Investments (attached hereto as Exhibit
     99.2);
2.   Owned Generation Assets (attached hereto as Exhibit 99.3);
3.   A table of capacity factors and licenses (attached hereto as Exhibit 99.4);
4.   A table of long-term generation contracts and commitments (attached hereto
     as Exhibit 99.5);
5.   A list of Sithe assets (attached hereto as Exhibit 99.6);
6.   A pie chart of Total Generation by NERC Region (attached hereto as Exhibit
     99.7); and
7.   Exelon's press release dated April 22, 2002 announcing first quarter
     earnings (previously filed as Exhibit 99.1 to Exelon's Periodic Report on
     Form 8-K filed on April 25, 2002).

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. Economic, business,
competitive and/or regulatory factors affecting Exelon'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. Readers are cautioned not to place undue reliance on these
forward-looking statements, which speak only as of the date of this press
release. Exelon does 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
Number                     Description

99.1     Slides used in Ms. Gillis' presentation
99.2     Overview of Generation Assets and Investments
99.3     Owned Generation Assets
99.4     A table of capacity factors and licenses
99.5     A table of long-term generation contracts and commitments
99.6     A list of Sithe assets
99.7     A pie chart of Total Generation by NERC Region







                                   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


                                     BY: /S/  Ruth Ann M. Gillis
                                         -----------------------------------
                                         Ruth Ann M. Gillis
                                         Senior Vice President and Chief
                                         Financial Officer, Exelon Corporation


May 14, 2002