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Founded in 2006 by Russell Stidolph, AltEnergy, LLC is based in Rowayton, Connecticut. The firm specializes in the investment, development, and management of alternative energy projects worldwide. AltEnergy manages a portfolio of five companies and focuses on various stages of business development.
AltEnergy invests in sectors such as biofuels, renewable power generation, demand response software, transmission infrastructure, and energy storage technology. The firm targets investments between $5 million and $50 million, engaging with both startups and established companies in the alternative energy space.
Notable portfolio companies include Hawkeye Renewables, a leading U.S. ethanol producer; Iowa Winds, which developed a significant wind power portfolio in Iowa; Viridity Energy, a demand response software company; Tres Amigas, a transmission hub connecting U.S. super-grids; and Eos Energy Storage, focused on zinc-aqueous hybrid battery technology.
Email your pitch deck to info@altenergyllc.com for consideration.
Yes, AltEnergy often leads investment rounds, particularly in the early stages of development for promising alternative energy companies.
AltEnergy is open to follow-on investments, especially for companies that demonstrate significant growth potential and align with their investment thesis.
Specific details about the size of AltEnergy's current fund are not publicly available.
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