EXHIBIT 99.1

        Certification Pursuant to Section 1350 of Chapter 63 of Title 18
                            of the United States Code

     I, Thomas M. O'Flynn, Chief Financial Officer of PSEG Power LLC, to the
best of my knowledge, certify that (i) the Annual Report of PSEG Power LLC on
Form 10-K for the year ended December 31, 2002 (the "Periodic 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 Periodic Report
fairly presents, in all material respects, the financial condition and results
of operations of PSEG Power LLC.


                                        /s/ Thomas M. O'Flynn
                                        ----------------------------------------
                                        Thomas M. O'Flynn
                                        PSEG Power LLC
                                        Executive Vice President and Chief
                                        Financial Officer
                                        February 25, 2003