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 |
(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 |
465 Sykes Road |
(800) 544-4944 | 31770 |
| National Grid (Boston Gas Company/Colonial Gas Company) |
40 Sylvan Road |
(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
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 |