flatiron

December 31, 2025
Massachusetts’s Department of Energy Resources (DOER) has completed the evaluation of bids received in response to the Section 83E Storage request for proposals (RFP), selecting projects totalling 1,268MW of energy storage capacity.
October 31, 2025
Developer Flatiron Energy has increased its US$125 million credit facility with certain funds and accounts managed by HPS Investment Partners, to US$250 million.
September 22, 2025
Three US battery energy storage system (BESS) developers, GridStor, Flatiron, and Jupiter Power, have advanced BESS projects totalling 1.6GWh across Arizona, Massachusetts, and Michigan.
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September 9, 2025
Flatiron Energy has commenced initial proceedings to construct a 168MW/672MWh BESS at the site of a former coal-fired power plant located in Bristol County, Massachusetts. 
September 5, 2025
South Korean company SK On has entered the US BESS market with LFP batteries, securing a supply contract with Flatiron Energy Development.

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