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Natural gas companies

List of investor-owned and municipal gas companies

Investor-Owned Local Distribution Companies

Gas Company Address Phone Number PHMSA ID
Berkshire Gas Company 115 Cheshire Road
Pittsfield, MA 01202
(413) 442-1511 01344
Eversource Energy (NSTAR Gas Company)

247 Station Drive
Westwood, MA 02090

(800) 592-2000 02652

Eversource Gas Company of Massachusetts (formerly Bay State Gas d/b/a Columbia Gas of Massachusetts)1

P.O. Box 2025
Springfield, MA 01102

(800) 688-6160

40196 (distribution and transmission)

40195 (LNG)

Liberty Utilities (Fall River/North Attleboro/Blackstone)2 155 North Main Street
Fall River, MA 02722
(800) 544-4944 31770
National Grid (Boston Gas Company/Colonial Gas Company)

40 Sylvan Road
Waltham, MA 02451

(781) 907-1000

01640 (Boston)

04547 (Boston/Essex)

11856 (Colonial/Lowell)

02066 (Colonial/Cape Cod)

Unitil (Fitchburg Gas and Electric Light Company) 285 John Fitch Highway
Fitchburg, MA 01420
(888) 301-7700 05200

 

1On October 7, 2020, the Department approved a Settlement Agreement authorizing the sale of Bay State Gas to Eversource Energy.  Eversource Energy/Bay State Gas Company Merger, D.P.U. 20‑59 (October 7, 2020).  The sale closed on October 9, 2020.  The name for Bay State Gas/Columbia Gas of Massachusetts is now Eversource Gas Company of Massachusetts.
2On October 13, 2020, the Department approved the acquisition of Blackstone Gas Company by Liberty Utilities.  Petition of Liberty Utilities for approval by the Department of Public Utilities, pursuant to G.L. c. 164, § 96, of the acquisition of Blackstone Gas Company, D.P.U. 20-03, at n.5 (October 13, 2020).  The acquisition closed on December 31, 2020.  The name for Blackstone Gas Company is now Liberty Utilities.

Additional Resources for

Municipal Gas Companies

Gas Company Address Phone Number PHMSA ID
Holyoke Gas & Electric 99 Suffolk Street
Holyoke, MA 01040
(413) 536-9300 07330
Middleborough Gas & Electric 32 South Main Street
Town Hall
Middleborough, MA 02346
(508) 947-1371 12444
Wakefield Municipal Gas & Light 9 Albion Street
Wakefield, MA 01880
(781) 246-6363 22035
Westfield Gas & Electric Light 100 Elm Street
Westfield, MA 01085
(413) 572-0100 22511
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