Exhibit 32.4

         Certificate Pursuant to Section 1350 of Chapter 63 of Title 18
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                               United States Code
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         The undersigned officer hereby certifies, as to the Quarterly Report on
     Form 10-Q of  Commonwealth  Edison  Company for the quarterly  period ended
     June 30, 2003, that (i) the report fully complies with the  requirements of
     section 13(a) or 15(d) of the Securities Exchange Act of 1934, and (ii) the
     information  contained  in the  report  fairly  presents,  in all  material
     respects, the financial condition and results of operations of Commonwealth
     Edison Company.



     Date:  July 30, 2003                   /s/ Robert S. Shapard
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                                            Robert S. Shapard
                                            Executive Vice President and
                                            Chief Financial Officer
                                            Exelon Corporation