About Boston Large-Scale Energy Storage Project
Flatiron Energy's groundbreaking 300-MW battery storage project in Boston aims to enhance reliability and champion environmental justice by 2028. Powering a greener future starts here!
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About Boston Large-Scale Energy Storage Project video introduction
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6 FAQs about [Boston Large-Scale Energy Storage Project]
How many energy storage facilities are there in Massachusetts?
The Massachusetts Energy Siting Facilities Board has approved two energy storage facilities with a combined capacity of 400 MW/800 MWh. This decision overturns previous rulings that hindered the development of these facilities. Once operational, they will fulfill 80% of the state’s 1 GWh energy storage deployment target for 2025.
How much storage capacity does Massachusetts have?
It was reported last year that Massachusetts had a cumulative storage capacity of 569MWh, with an additional 8,806 MWh in the development pipeline. Plus Power’s 150MW/300MWh Cranberry Point BESS located in the Town of Carver is expected to make up a large proportion of the 1GWh total, with commercial operations scheduled for summer this year.
Is ISO New England planning a 300MW Bess in Boston?
System operator ISO New England has given the go-ahead for a 300MW/1,200MWh indoor BESS located in Boston, Massachusetts under development by developer and IPP Flatiron Energy. ISO New England approved a proposed plan application associated with the project in the form of a letter published on the system operator’s website on 6 January, 2025.
Can New England states support large-scale transmission & energy storage infrastructure?
BOSTON — A coalition of New England states jointly submitted two applications to secure federal funding to support investments in large-scale transmission and energy storage infrastructure to enhance grid reliability and resilience across the region.
What are New England's power grid projects?
The projects feature transformational investments in the power grid to strengthen grid reliability and resilience, unlock additional supplies of renewable resources, and reduce energy burdens across the New England region and beyond.
How many energy storage installations are there in 2024?
According to the Q1 2025 US Energy Storage Monitor from Wood Mackenzie Power & Renewables and the American Clean Power Association (ACP), energy storage installations surpassed 12GW in 2024. California governor Gavin Newsom has taken steps to accelerate the 300MW Cornucopia Hybrid Project in Fresno County, California, US.


