Please follow the links below to each Company's website with currently effective tariffs:
Bay State Gas Company d/b/a Columbia Gas of Massachusetts:
Berkshire Gas Company: all customers follow the instructions below.
- Click on "residential" or "commercial"
- Choose your rate class
Blackstone Gas Company:
Liberty Utilities (New England Natural Gas Company) Corp. d/b/a Liberty Utilities:
NSTAR Gas Company d/b/a Eversource Energy
This information is provided by the Department of Public Utilities