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.
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- Massachusetts Department of Environmental Protection
Clean Energy Standard (310 CMR 7.75)
Table of Contents
News & Updates
December 2023
MassDEP is seeking stakeholder input on options for strengthening the Massachusetts Clean Energy Standard (CES). See Stakeholder Input below for details.
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 for Current Regulation
Open PDF file, 155.59 KB,
Fact Sheet: MassDEP Electricity Sector Regulations
(English, PDF 155.59 KB)
Open PDF file, 333.74 KB,
Frequently Asked Questions: MassDEP Clean Energy Standard
(English, PDF 333.74 KB)
Stakeholder Input
December 2023
MassDEP is seeking stakeholder input on options for strengthening the Massachusetts Clean Energy Standard (CES). MassDEP has published a discussion document describing potential options and is requesting written comments by January 19, 2024.
MassDEP will hold virtual stakeholder meetings on January 11 at 11AM and 5PM.
Register for the January 11, 11AM meeting here.
Register for the January 11, 5PM meeting here.
Comments and questions may be submitted by email to climate.strategies@mass.gov.
Additional Resources for Stakeholder Input
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 for Reporting Forms
Supplemental Information
See Additional Resources below to learn more about programs and issues related to 310 CMR 7.75: Clean Energy Standard.