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. MassDEP will provide additional information for regulated electricity sellers well in advance of the beginning of the 2018 compliance year.

Final Regulation

Related Content

Background on 2016 Proposed Regulations

The proposed regulation has been superseded by the final regulation listed above. The background document published with the proposal is provided below for reference only.

Contact for Assistance

Please contact Will Space ( or Jordan Garfinkle ( if you have questions or need additional information about 310 CMR 7.75: Clean Energy Standard.