• This page, Rate cases, natural gas companies, is   offered by
  • Gas Division

Rate cases, natural gas companies

Here you can view the most recent rate case decisions and filings for Massachusetts investor-owned natural gas companies regulated by the Department of Public Utilities.

Table of Contents

Table of Cases

Gas CompanyCompletedPending Case Number
Eversource Gas Company of Massachusetts (formerly Bay State Gas Company d/b/a Columbia Gas of Massachusetts)1D.P.U. 15-50N/A
Berkshire Gas CompanyD.P.U. 22-20 (Settlement)N/A
Blackstone Gas CompanyD.P.U. 13-58  (Settlement)N/A
Fitchburg Gas d/b/a UnitilD.P.U. 23-81 (Order Issued 6/28/24)N/A
Boston Gas Company & Colonial Gas Company d/b/a National GridD.P.U. 20-120 (Order Issued 9/30/21)N/A
Liberty Utilities (New England Natural Gas Company) Corp. d/b/a Liberty UtilitiesD.P.U. 15-75  (Settlement)N/A
NSTAR Gas Company d/b/a Eversource EnergyD.P.U. 19-120 (Order Issued 10/30/20)N/A

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.

Contact

Online

For questions related to your gas bill, visit the DPU Consumer Division page 

Address

Department of Public Utilities
One South Station, 3rd Floor, Boston, MA 02110

Help Us Improve Mass.gov  with your feedback

Please do not include personal or contact information.
Feedback