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.

Clean Energy Standard (310 CMR 7.75)

The Clean Energy Standard (CES) requires retail electricity sellers to annually demonstrate the use of clean energy to generate a specified percentage of their electricity sales.

Current Regulation

310 CMR 7.75: The Clean Energy Standard was finalized in August 2017 and amended in December 2017, July 2020, October 2022, and November 2022.

See Additional Resources below for 310 CMR 7.00: Air Pollution Control, which includes the current regulation, an archive of past rulemaking and stakeholder input documents, and both a fact sheet and FAQ on the CES.

Additional Resources

Stakeholder Input

Comments and questions may be submitted by email to climate.strategies@mass.gov.

Additional Resources

Reporting Forms

To comply with the Clean Energy Standard (CES), a retail seller of electricity must complete and submit the Department of Energy Resources (DOER) annual compliance forms found at the link below.

To qualify as a clean existing generation unit, a retail seller needs to submit the MassDEP Statement of Qualification Application for CES-E Eligible Generators below.

Additional Resources

Supplemental Information

See Additional Resources below to learn more about programs and issues related to 310 CMR 7.75: Clean Energy Standard.

Additional Resources

Help Us Improve Mass.gov  with your feedback

Please do not include personal or contact information.
Feedback