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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.
310 CMR 7.75: The Clean Energy Standard was finalized in August 2017 and amended in December 2017.
Electricity Sector Regulations Fact Sheet
See 310 CMR 7.00: Air Pollution Control, which includes the current CES regulation.
In fall 2017, MassDEP and the Executive Office of Energy & Environmental Affairs conducted a review of options for expanding the Clean Energy Standard. The review included publication of a stakeholder discussion document, several stakeholder meetings, and submission of numerous stakeholder comments.
Stakeholder Document: Options for Expanding the Clean Energy Standard
Stakeholder Meeting Presentation: Options for Amending the CES
Stakeholder Comments: 2016 Energy Diversity Act
Stakeholder Comments: CES-E
Stakeholder Comments: Municipal Utilities
310 CMR 7.75: The Clean Energy Standard was finalized in August 2017.
Background Document (MS Word)
Electricity Sector Response to Comment
310 CMR 7.75: The Clean Energy Standard was amended in December 2017.
Technical Support Document
Response to Comments
Retail sellers were required to submit the form and associated Excel workbook in Additional Resources below by December 31, 2017.
Additional forms, including the statement of qualifications form for clean generation units, will be developed in 2018.
Electricity Bill and CO2 Emission Impacts Study
Massachusetts Renewable Energy Portfolio Standard
Massachusetts & the Regional Greenhouse Gas Initiative