NineDot Energy
Updated: December 26, 2025

Founders: David Arfin, Adam Cohen
Country: USA | Funding: $654.2M (+)
Founded: 2015
Website: https://www.nine.energy
NineDot Energy creates innovative energy solutions that make the urban grid cleaner, more resilient and less costly. It wants to turn underused properties into community battery-farm projects.NineDot Energy is building and operating community-scale battery energy storage systems (BESS) in the New York City metropolitan area. With sites in the Bronx, Brooklyn, Queens, and Staten Island, as well as Westchester County and Long Island, NineDot Energy is helping make our local grid cleaner, more resilient, equitable and affordable. The company plans to develop and build more than 400 megawatts (MW) of clean energy systems by the end of 2026, strengthening local grid infrastructure and providing clean, reliable, and resilient power to tens of thousands of New York City homes and businesses, supporting New York State's mission to achieve 100% clean energy by 2040.
Founded: 2015
Website: https://www.nine.energy
NineDot Energy creates innovative energy solutions that make the urban grid cleaner, more resilient and less costly. It wants to turn underused properties into community battery-farm projects.NineDot Energy is building and operating community-scale battery energy storage systems (BESS) in the New York City metropolitan area. With sites in the Bronx, Brooklyn, Queens, and Staten Island, as well as Westchester County and Long Island, NineDot Energy is helping make our local grid cleaner, more resilient, equitable and affordable. The company plans to develop and build more than 400 megawatts (MW) of clean energy systems by the end of 2026, strengthening local grid infrastructure and providing clean, reliable, and resilient power to tens of thousands of New York City homes and businesses, supporting New York State's mission to achieve 100% clean energy by 2040.






