OnForce Solar is an American company that sells and installs solar energy packages for commercial and residential customers. It was founded in 2007. OnForce Solar is the largest New York based turnkey solar provider that owns and installs solar photovoltaic systems for residential, commercial, and utility scale projects. According to Crain's it had revenue of $18.2 million and a three-year growth rate of 811% in 2012. In 2012 OnForce Solar completed what was then the second-largest installation of a solar energy system in New York city.