Exhibit 3(i) ARTICLES OF MERGER of THE BERKSHIRE GAS COMPANY (A Massachusetts Utility Corporation) and BERKSHIRE GAS MERGECO GAS COMPANY, INC. (A Massachusetts Utility Corporation) and BERKSHIRE ENERGY RESOURCES (A Massachusetts Business Trust - - a party to the Agreement and Plan of Merger described herein and that will survive the transaction contemplated in such agreement) Pursuant to the provisions of Section 102A of Chapter 164 of the Massachusetts General Laws, the undersigned corporations adopt the following Articles of Merger for the purpose of merging Berkshire Gas Mergeco Gas Company, Inc. ("Mergeco") with and into The Berkshire Gas Company ("Berkshire Gas"), which shall be the Surviving Corporation: 1. Attached hereto and incorporated herein by reference is the Agreement and Plan of Merger dated as of February 19, 1998, of the undersigned corporations. The Surviving Corporation will furnish a copy of said agreement to any of its stockholders, or to any person who was a stockholder of a Constituent Corporation, upon written request and without charge. The Effective Time as defined therein is 11:59 P.M., Boston time on December 31, 1998. 2. The undersigned president or vice president and clerk or secretary or assistant clerk or secretary of each undersigned corporation hereby state under the penalties of perjury that the attached Agreement and Plan of Merger has been duly executed on behalf of such corporation and has been approved by the stockholders of such corporation and by the Department of Telecommunications and Energy of The Commonwealth of Massachusetts in the manner required by Section 96 of Chapter 164 of the Massachusetts General Laws. 3. The post office address of the initial principal office of the Surviving Corporation is 115 Cheshire Road, Pittsfield, Massachusetts 01201. 4. The name, residence and post office address of each of the initial directors and the chairman, president, treasurer and clerk of the Surviving Corporation are as follows: POST OFFICE NAME TITLE RESIDENCE ADDRESS George R. Baldwin Director c/o 115 Cheshire Road Pittsfield, MA 01201 John W. Bond Director c/o 115 Cheshire Road Pittsfield, MA 01201 Paul L. Gioia Director c/o 115 Cheshire Road Pittsfield, MA 01201 Franklin M. Hundley Chairman and c/o 115 Cheshire Road Director Pittsfield, MA 01201 James R. Keys Director c/o 115 Cheshire Road Pittsfield, MA 01201 Robert B. Trask Director c/o 115 Cheshire Road Pittsfield, MA 01201 Scott S. Robinson Director, 115 Cheshire Road President and Pittsfield, MA 01201 Chief Executive Officer Michael J. Marrone Vice President, 115 Cheshire Road Treasurer and Pittsfield, MA 01201 Chief Financial Officer Cheryl M. Clark Clerk 115 Cheshire Road Pittsfield, MA 02101 5. The fiscal year of the Surviving Corporation initially adopted shall end on the last day of the month of June in each year. 6. The date and time initially fixed in the Bylaws for the annual meeting of the stockholders of the Surviving Corporation is 10:00 a.m. on the second Wednesday in November of each year. IN WITNESS WHEREOF, Berkshire Gas, Mergeco and Berkshire Energy Resources, pursuant to approval and authorization duly given by resolutions adopted by their respective Boards of Directors or Board of Trustees, have each caused these Articles of Merger to be executed by its president or one of its vice presidents and its clerk or one of its assistant clerks. Dated: December 28, 1999 THE BERKSHIRE GAS COMPANY By: /s/ Scott S. Robinson --------------------- Name: Scott S. Robinson Title: President and Chief Executive Officer By: /s/ Cheryl M. Clark ------------------- Name: Cheryl M. Clark Title: Clerk BERKSHIRE GAS MERGECO GAS COMPANY, INC. By: /s/ Scott S. Robinson --------------------- Name: Scott S. Robinson Title: President and Chief Executive Officer By: /s/ Cheryl M. Clark ------------------- Name: Cheryl M. Clark Title: Clerk BERKSHIRE ENERGY RESOURCES By: /s/ Scott S. Robinson --------------------- Name: Scott S. Robinson Title: President and Chief Executive Officer By: /s/ Cheryl M. Clark ------------------- Name: Cheryl M. Clark Title: Secretary