Massachusetts State Seal An official website of the Commonwealth of Massachusetts Here's how you know

Official websites use .mass.gov

A .mass.gov website belongs to an official government organization in Massachusetts.

Secure websites use HTTPS

A lock icon or https:// means you've safely connected to the official website. Share sensitive information only on official, secure websites.

Past Energy Efficiency Programs

Find information on past energy efficiency programs done in Massachusetts

This section provides information on past energy efficiency programs run by Mass DOER. Programs listed here have been completed or are no longer active.

Help Us Improve Mass.gov  with your feedback

Please do not include personal or contact information.
Feedback