ArcLight Cinemas is a Boston-based private equity infrastructure investor founded in 2001. The firm focuses on control-oriented investments across electrification, power, renewables, natural gas, battery storage and digital-economy infrastructure, with geography spanning North America, Puerto Rico, the Caribbean and Central America. It has invested about $80 billion, with portfolio examples including Great River Hydro, Infinigen Renewables, REC Solar and Elevate Renewables.