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Last Update: 10/26/2026 at 11:33 PM EST
Massachusetts Battery Storage
Coverage from The Marblehead Independent, WBUR, and others
Massachusetts is developing battery storage at multiple scales, from the 250-megawatt Medway project and planned Trimount facility in Everett to smaller systems serving schools, public works sites, wastewater plants, and community facilities.
State grants support backup power, critical services, first-responder training, and longer-duration technologies, while the Clean Peak Standard and related policies encourage storage to shift renewable electricity into periods of high demand. Deployment also depends on local engagement, permitting, grid interconnection costs, and project economics—constraints illustrated by the canceled Hillman Energy Center in Tewksbury.
Looking Back
161 Day Timeline
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All Articles15 articles
Important
Marblehead Light Commission members delayed a September 1 vote in Marblehead, Massachusetts, while reviewing liability terms for the agreement required for Green Communities designation.
9/2/2026 • Policy, Politics & Governance • General
Marblehead officials are pursuing Massachusetts Green Communities designation in 2025, but the Light Commission and state zoning compliance requirements still must be resolved before submission.
8/29/2026 • Policy, Politics & Governance • General
East Point Energy canceled its proposed 125-megawatt battery storage facility in Tewksbury, Massachusetts, after ISO New England set grid interconnection costs at $65 million.
9/3/2026 • Clean Energy & Emissions • General
The Marblehead Municipal Light Commission is scheduled to discuss and possibly vote on joining the Massachusetts Green Communities program Tuesday at its meeting in Marblehead, where participation would require a renewable-energy charge on customer bills.
9/25/2026 • Policy, Politics & Governance • General
Waltham planners are being urged to compare conventional and all-electric net-zero designs for new municipal facilities before construction plans are finalized in Waltham, Massachusetts.
9/16/2026 • Clean Energy & Emissions • General
The Healey-Driscoll Administration announced $40.3 million in Massachusetts grants to expand battery storage, including awards for Double Edge Theatre and Mohawk Trail Regional High School.
9/18/2026 • Clean Energy & Emissions • General
Haverhill City Councilors advanced Hilldale Avenue as a preferred battery storage site before a Massachusetts mandate took effect in October.
9/17/2026 • Clean Energy & Emissions • General
The Healey-Driscoll administration is allocating $40.3 million for 36 battery storage projects across Massachusetts in a new state grant round to support critical facilities and resilience.
9/21/2026 • Clean Energy & Emissions • General
Interesting
The Massachusetts Department of Energy Resources awarded Medway Public Works $1.32 million in 2026 for battery storage intended to maintain services during outages and extreme weather.
9/20/2026 • Adaptation & Resilience • General
Marblehead's Municipal Light Board is considering a renewable energy surcharge in 2026 to qualify the Massachusetts town for Green Communities grants.
9/14/2026 • Policy, Politics & Governance • General
Lightshift Energy plans 3-5 megawatt battery storage projects in Massachusetts towns to reduce peak-demand costs and support New England grid reliability.
6/22/2026 • Clean Energy & Emissions • General
VC Renewables completed a 250-megawatt Medway battery in February, overtaking Gorham, Maine, as Massachusetts Clean Peak Standard accelerates New England energy storage through 2035 targets.
4/18/2026 • Clean Energy & Emissions • General
East Point Energy withdrew the 125-megawatt Hillman Energy Center battery project in Tewksbury, Massachusetts, in 2026 after an ISO-NE study found excessive interconnection costs.
9/3/2026 • Clean Energy & Emissions • General
Massachusetts Clean Energy Center is funding solar, battery, heat-pump, and ventilation upgrades at public schools across Massachusetts to reduce emissions and strengthen community resilience.
9/11/2026 • Clean Energy & Emissions • General
Massachusetts will launch consolidated permitting for battery energy storage projects on July 1, 2026, with local and Energy Facilities Siting Board pathways.
6/1/2026 • Policy, Politics & Governance • General