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83E II Opportunity for Stakeholder Review – Distribution-Level Proposal Terms and Conditions

Second-round solicitation for mid-duration energy storage projects in Massachusetts under Section 83E, with stakeholder review of the standard distribution-project long-term contract for Environmental Attributes. Comments on draft terms due July 30, 2026. No mark-ups accepted on the non-negotiable contract.

Massachusetts Clean Energy (MA DOER / Eversource / National Grid / Unitil) MA

Categories

Renewable energy procurement Battery storage (utility-scale) All-source generation procurement

Important dates

  • Published

  • Stakeholder comments due

    Deadline for submitting comments on draft distribution-project LTC documents.

AI overview

The Massachusetts Distribution Companies have initiated a second-round solicitation for mid-duration energy storage projects under Section 83E. This stakeholder review opportunity focuses on the distribution-project Form Long-term Contract (LTC) for Environmental Attributes, which will be a standard, non-negotiable contract for distribution-level projects. Stakeholders were invited to review and comment on the draft terms and conditions as well as the draft confirmation form. Comments were accepted via email and were due by July 30, 2026 at 5:00 PM. This process allows for input before the finalization of the contract terms. The solicitation is part of Massachusetts' efforts to procure energy storage resources to support grid reliability and clean energy goals. Bidders must adhere to the standard contract without mark-ups. The draft documents include the Distribution Storage Draft Terms and Conditions and the Distribution Storage Draft Confirmation Form, both available for download. The actual RFP for the storage projects is expected to follow after the comment period closes. The solicitation seeks mid-duration storage resources that can provide capacity, energy, and environmental attributes to the distribution system. The stakeholder review period closed on July 30, 2026, and the Massachusetts Distribution Companies, along with the Independent Evaluator and DOER, will consider feedback before finalizing the contract terms. Proposers should monitor the MacLean Energy website for updates on the formal RFP release, bid submission dates, and bidder conference schedules.

Resources & contact

Proposal Document

View proposal document

Solicitation number

83E II Stakeholder Review

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