EXHIBIT 99.3


                    CERTIFICATION PURSUANT TO
                     18 U.S.C SECTION 1350,
                     AS ADOPTED PURSUANT TO
          SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
                           

The undersigned hereby certifies, in my capacity as an officer of
NSTAR, for purposes of 18 U.S.C. Section 1350, as adopted pursuant
to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best
of my knowledge:


  (i)  the enclosed Quarterly Report of NSTAR on Form 10-Q for
       the period ended September 30, 2002 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 such Report fairly presents,
       in all material respects, the financial condition and
       results of operation of NSTAR.


Dated:  November 13, 2002      By:    /s/ JAMES J. JUDGE
                                      James J. Judge
                                      Senior Vice President, Treasurer
                                        and Chief Financial Officer