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

                                October 28, 2004
                Date of Report (Date of earliest event reported)





Commission File     Exact Name of Registrant as Specified in Its Charter; State of   IRS Employer
Number              Incorporation; Address of Principal Executive Offices; and      Identification Number
                    Telephone Number
- --------------      --------------------------------------------------------------  ---------------------
                                                                                  
                    EXELON CORPORATION                                               23-2990190
1-16169             (a Pennsylvania corporation)
                    10 South Dearborn Street--37th Floor
                    P.O. Box 805379
                    Chicago, Illinois 60680-5379
                    (312) 394-7398


 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))





Section 8 - Other Events
Item 8.01. Other Events.
Section 9 - Financial Statements and Exhibits
Item 9.01(c) - Financial Statements and Exhibits.



On October 28, 2004,  Exelon Generation  Company,  LLC's Nuclear division issued
the press release  attached hereto as Exhibit 99 concerning the license renewals
of its  Dresden  and Quad  Cities  nuclear  plants,  which were  approved by the
Nuclear Regulatory Commission on that date.

                                      *****

This combined Form 8-K is being filed separately by Exelon Corporation  (Exelon)
and Exelon  Generation  Company,  LLC  (Generation)  (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  factors  discussed  herein,  as well as the  items  discussed  in (a) the
Registrants'  2003 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 each of Exelon,  Commonwealth
Edison  Company  (ComEd),  PECO Energy Company  (PECO) and  Generation,  (b) the
Registrants'  2003 Annual Report on Form 10-K--ITEM 8. Financial  Statements and
Supplementary   Data:   Exelon--Note  19,  ComEd--Note  15,  PECO--Note  14  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
                            EXELON GENERATION COMPANY, LLC

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



October 29, 2004