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 26, 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







Item 5. Other Events.

On Friday,  September  26,  2003,  Exelon  Corporation  (Exelon)  issued a press
release stating that Exelon is exploring the  possibility of acquiring  Illinois
Power  Company  from  Dynegy  Inc. A copy of the press  release is  attached  as
Exhibit 99.

Exelon  reconfirmed  its  criteria  regarding  acquisitions:  accretive  to  its
earnings  the first year after the  transaction;  earn its cost of capital;  and
maintain its  existing  credit  ratings.  Exelon has also  reconfirmed  that the
acquisition  needs to be part of a  broader  solution  to the  issues  involving
supply and price of electricity in Illinois in the longer term.

This  combined  Form 8-K is being filed  separately  by Exelon and  Commonwealth
Edison  Company  (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' 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 each of 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



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


September 29, 2003