AltEnergy, LLC

AltEnergy, LLC is an established entrepreneurial investor in alternative energy opportunities, founded in 2006 and headquartered in Rowayton (Norwalk), Connecticut, with an additional office in New York City. It operates as a venture capital and private equity firm, serving as investor, developer, operator, and strategist. Beyond capital, AltEnergy acts as an active investor, supporting portfolio companies with management, governance, and industry relationships, drawing on two decades of partnerships across utilities, OEMs, legal, engineering, financial, and manufacturing sectors. It's flexible on its role but prefers serving as lead investor. The firm focuses exclusively on alternative and clean energy, including renewables, wind, energy storage, smart grid, and transmission infrastructure. Notable investments include Hawkeye Renewables, Iowa Winds, Tres Amigas, Viridity Energy, Eos Energy Storage, Broadview Energy, and Anbaric Energy. AltEnergy aims to invest between $5 and $50 million, seeking advanced technologies proven to matter within three to five years, transformative solutions others can't or won't pursue, and businesses with a demonstrated product and a clear path to cash flow within two to three years.