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: all customers
Berkshire Gas Company: all customers follow the instructions below.
- Click on "residential" or "commercial"
- Choose your rate class
Blackstone Gas Company: all customers
FG&E/Unitil: all customers
National Grid: all customers
Liberty Utilities (New England Natural Gas Company) Corp. d/b/a Liberty Utilities: all customers
NSTAR (Please note that gas and electric rates are both listed, where applicable):
This information is provided by the Department of Public Utilities