Overview
NineDot Energy develops and operates community-scale battery energy storage systems to support grid resilience and reduce carbon emissions in the New York City metropolitan area.[1] Founded in 2015 by David Arfin, Adam Cohen and Nalin Kulatilaka,[4] the company is based in Brooklyn, New York.[2] NineDot Energy operates sites across the Bronx, Brooklyn, Queens, Staten Island, Westchester County and Long Island.[3] The company's Northeast Bronx facility is a 3 MW / 12 MWh battery energy storage system utilizing Tesla Megapack technology.[7] As of February 2026, NineDot Energy completed $431 million in financing with Natixis covering 28 battery energy storage projects.[9] The company has also secured $225 million in equity capital commitment from Manulife Investment Management and Carlyle, along with additional debt and credit facilities.[8] NineDot Energy reports being on track to develop and operate more than 400 megawatts of clean energy systems by the end of 2026.[6]
The company's own site places it in New York: Website explicitly states 'We were founded and are based in New York City' and lists office address in Brooklyn, NY. Projects located in Bro. [2]
NineDot Energy lists its office at the NYU Urban Future Lab, 370 Jay Street, 7th Floor, Brooklyn, New York 11201. [5]
NineDot Energy's Northeast Bronx site is a 3 MW / 12 MWh battery energy storage system that the company calls the first Tesla Megapack system in New York City. [7]
Growth & traction
NineDot Energy says it is on track to develop and operate more than 400 megawatts (MW) of clean energy systems by the end of 2026. [6]
Funding history
NineDot Energy's about page lists a $225 million equity capital commitment from Manulife Investment Management as well as Carlyle, an $85 million construction-to-term debt facility from CIT and SMBC, a $25 million revolving credit facility from NY Green Bank and a $13 million real estate financing deal with SolaREIT. [8]
NineDot Energy's homepage cites $431 million of financing completed in February 2026 with Natixis, covering 28 battery energy storage projects. [9]
Partnerships
NineDot Energy names Tesla (Megapack systems), Natixis, the Bronx Charter School for Better Learning 2 and ArtBridge among its project and financing partners. [10]
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