Exhibit 99.3


                      Certificate Pursuant to Section 1350
                  of Chapter 63 of Title 18 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,
2002, that (i) the report fully complies with the requirements of section 13(a)
or 15(d) of the Securities Exchange Act of 1934, as amended, 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
and its subsidiaries.



Date:  August 2, 2002      /s/ Robert E. Berdelle
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                           Robert E. Berdelle
                           Vice President, Finance and Chief Financial Officer
                           Commonwealth Edison Company