EXHIBIT 3.3 AMENDED AND RESTATED CERTIFICATE OF LIMITED PARTNERSHIP NORTHEAST ENERGY ASSOCIATES, A LIMITED PARTNERSHIP 1. The name of the limited partnership is "Northeast Energy Associates, A Limited Partnership", which was formed on March 31, 1986. 2. The character of the Partnership's business is to acquire and/or construct, and to own and lease a cogeneration plant. 3. The address of the office of the Partnership at which its records are maintained is 92 Bay Depot Street, Bellingham, Massachusetts 02019. The resident agent for service of process is CT Corporation System, 2 Oliver Street, Boston, MA 02109. 4. The name and business address of each Partner and a designation of which are General Partners and which are Limited Partners are as set forth in Schedule A hereto. 5. The amounts of the percent of ownership of each partner are as set forth on Schedule A hereto. 6. There is no right of a Limited Partner to assign his Partnership interest and to substitute an assignee. 7. No specific time has been agreed upon when a partner may terminate his membership in the Partnership. 8. No partner shall be entitled to receive distributions which constitute a return of capital without the consent of the majority of the partners. 9. The term of the Partnership will commence upon the filing of this Certificate with the Secretary of State of Massachusetts and shall continue in full force and effect until December 31, 2025, unless sooner terminated prior to such date by consent of the majority of the partners. 10. The successor General Partner will have the right to continue the business of the Partnership on the happening of an event of withdrawal of the General Partner. IN WITNESS WHEREOF, the undersigned have hereunto set their hands, as of the 16th day of February, 1998. GENERAL PARTNER NORTHEAST ENERGY, LP By: ESI Northeast Energy GP, Inc. General Partner By: /s/ Glenn E. Smith -------------------------- Name: Glenn E. Smith Title: Vice President 2 SCHEDULE A GENERAL PERCENTAGE OF PARTNER OWNERSHIP ------- --------- Northeast Energy, LP 1.0% c/o ESI Energy, Inc. 11760 US Highway One Suite 600 North Palm Beach, FL 33408 LIMITED PARTNERS - ---------------- Northeast Energy, LP 98.0% c/o ESI Energy, Inc. 11760 US Highway One Suite 600 North Palm Beach, FL 33408 Northeast Energy, LLC 1.0% c/o ESI Energy, Inc. 11760 US Highway One Suite 600 North Palm Beach, FL 33408 TOTAL 100.0% 3