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                                                                  Exhibit 99.2.1

   Certification Required Under Section 906 of the Sarbanes-Oxley Act of 2002

I, Eugene R. McGrath, the Chief Executive Officer of Consolidated Edison
Company of New York, Inc. (the "Company") certify that the Company's
Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2002,
which this statement accompanies, (the "Form 10-Q") fully complies with the
requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934
(15 U.S.C. 78m or 78o(d)) and that the information contained in the Form 10-Q
fairly presents, in all material respects, the financial condition and
results of operations of the Company.

                                         /s/ Eugene R. McGrath
                                         Eugene R. McGrath


Dated: August 12, 2002