For the Section 83E Round 2 Solicitation, in parallel with the DPU proceeding under D.P.U. 26-75, the Distribution Companies plan to post a draft of the standard, non-negotiable long-term contract in the form of a Terms and Conditions document and Form of Confirmation for distribution-level energy storage proposals for stakeholder review prior to the issuance of the RFP. The draft documents along with the formal request for stakeholder review are planned to be posted to the MA Clean Energy Website on Thursday, July 16, 2026.
Author: RFP Admin
83E I: Long-Term Contracts Filed for DPU Approval
The Electric Distribution Companies (“EDCs”) announced that they have filed, on July 2, 2026, long-term contracts with Trimount for a 700 megawatt storage project developed by Jupiter Power, Energizar for a 250 megawatt storage project developed by Flatiron Energy, and Salt Cod for a 168 MW storage project developed by Flatiron Energy for review and approval by the Department of Public Utilities. The Trimount, Energizar, and Salt Cod projects were selected pursuant to the Section 83E Round I Procurement. To access to filing documents on the DPU website, click here and enter 26-87, 26-88, or 26-89 for the Eversource, National Grid, and Unitil filings, respectively.
Request for Approval of 83E Round II RFP Filed with Massachusetts Department of Public Utilities
On May 8, 2026 the Massachusetts Department of Energy Resources (DOER) requested the Department of Public Utilities approve a request for proposals (RFP) to solicit and enter into cost-effective Long-Term Contracts for Energy Storage Systems, pursuant to Chapter 239 of the Acts of 2024 (Section 83E).
The proposed RFP and supporting documents have been posted to the 83E II Documents section of macleanenergy.com.
Section 83E Round I Update on contract execution date
The 83E Round I Evaluation Team notified stakeholders that the Electric Distribution Companies have filed a letter with the Massachusetts Department of Public Utilities regarding a change in the anticipated contract execution date. The contracting parties have not yet completed their contract negotiations and are now targeting the completion of negotiations and execution of contracts with the three counterparties on or before May 15, 2026.
83E II Request for Public Comment
January 16, 2026
Request for Public Comment on 83E Round 2 Solicitation for Mid-duration Energy Storage Projects by the Massachusetts Distribution Companies & the Massachusetts Department of Energy Resources
The Massachusetts Department of Energy Resources (“DOER”), the Massachusetts Electric Distribution Companies (“EDCs”), and the Attorney General’s Office (“AGO”) (collectively “RFP Drafting Parties”) welcome public comments on the following areas relevant to a forthcoming Request for Proposals (“RFP”) for a second-round solicitation for mid-duration energy storage projects under Section 83E (“83E Round 2”). The RFP Drafting Parties provide the areas for comment below to solicit input from interested parties and stakeholders on specific questions of interest related to 83E Round 2, which is for procurement of environmental attributes, energy services, or a combination of both. While the RFP Drafting Parties are currently focused on 83E Round 2, please provide and mark any comments on considerations for 83E Round 3 and other future Section 83E procurements. Interested parties and stakeholders are invited to provide comments in response to the prompts below and/or on any other topics related to 83E Round 2.
Whenever possible, please provide explanations or justifications for any recommendations provided. Please note that the RFP Drafting Parties will consider comments in drafting the RFP but not otherwise respond to comments received.
Submission Instructions: Please submit all comments via email to Thomas.Ferguson@mass.gov as soon as possible, but no later than 5:00 pm on January 30, 2026. Please include “83E Round 2 Comments” and the name of the individual or organization submitting comments in the subject line.
Confidentiality: Please note that all comments received will be posted publicly on the MACleanEnergy.com webpage following the submission deadline; unless a party indicates its submission contains proprietary or commercially sensitive business information that should be treated as confidential energy information, to the extent permitted by law. Public information is highly preferred as the RFP Team may cite and refer to public comments. Confidential submissions should be clearly marked “CONFIDENTIAL” and submitted along with a public version with any confidential information redacted. Commenters are encouraged to limit redactions to the extent possible.
Pursuant to DOER’s authority under Massachusetts General Law Chapter 25A, Section 7, and Section 83E certain energy and other information collected by DOER can be maintained for the sole and confidential use of the Commonwealth, its agencies, and offices. DOER may also apply any applicable exemption under the Commonwealth’s public records law. DOER shall also confidentially provide any and all confidential comments or responses to the EDCs, the AGO, the Section 83E Independent Evaluator, and possibly to the Massachusetts Department of Public Utilities (collectively, “Massachusetts Parties”) in a manner as determined by DOER, in its sole discretion. In the event confidential information is submitted to DOER and confidential treatment is not afforded for any reason, by a governmental agency or otherwise, or any confidential information is inadvertently made public, DOER and the Massachusetts Parties shall not be held responsible.
Massachusetts Clean Energy 