Exhibit 3.1

     STATE OF DELAWARE
    DEPARTMENT OF STATE
 DIVISION OF CORPORATIONS
FILED 08:30 AM 12/27/2001
    010670531 - 3474242

                              CERTIFICATE OF TRUST
                                       OF
                           PSEG POWER CAPITAL TRUST I

      THIS CERTIFICATE OF TRUST of PSEG Power Capital Trust I (the "Trust"),
dated as of December 27, 2001, is being duly executed and filed by the
undersigned, as trustees, to form a business trust under the Delaware Business
Trust Act (12 Del. C. ss. 3801, et seq.) (the "Act").

      (i) Name. The name of the business trust being formed hereby is PSEG Power
Capital Trust I.

      (ii) Delaware Trustee. The name and business address of the trustee of the
Trust in the State of Delaware are The Bank of New York (Delaware), Route 273,
White Clay Center, Newark, Delaware 19711.

      (iii) Counterparts. This Certificate of Trust may be executed in one or
more counterparts, all of which together shall constitute one and the same
instrument.

      (iv) Effective Date. This Certificate of Trust shall be effective as of
its filing with the Secretary of State of the State of Delaware.

      IN WITNESS WHEREOF, the undersigned, being the trustees of the Trust, have
executed this Certificate of Trust as of the date first above written in
accordance with Section 3811(a) of the Act.

                                    THE BANK OF NEW YORK
                                    as Trustee

                                    By: /s/ Marie E. Trimboli
                                        -------------------------------
                                        Name: Marie E. Trimboli
                                        Title: Assistant Vice President

                                    THE BANK OF NEW YORK (DELAWARE)
                                    as Trustee

                                    By: /s/ William T. Lewis
                                        -------------------------------
                                        Name: William T. Lewis
                                        Title: Senior Vice President

                                    MARK G. KAHRER, as Trustee

                                        /s/ Mark G. Kahrer
                                        -------------------------------