Fortistar

OPAL Fuels is a Fortistar portfolio company and the firm's most visible asset. Fortistar incubated the vertically integrated renewable natural gas platform and took it public on Nasdaq in 2022 through a business combination with a special-purpose acquisition company. OPAL Fuels captures methane emissions from landfills and dairy farms, processes it into RNG, and distributes the fuel through a network of company-owned heavy-duty truck fueling stations.

Fortistar maintains both infrastructure-heavy operating platforms and early-stage technology investments. The portfolio includes mature cogeneration assets through Generational Power and emissions-capture plants via Carbonfree Chemicals, alongside venture-stage companies such as Nanoramic Laboratories, which commercialized electrode technology from MIT, and Skyryse, a flight-automation startup backed by Fidelity and Venrock.

The firm concentrates on decarbonization across energy, transportation, and industrials. Specific subsectors include renewable natural gas, hydrogen generation, carbon capture and utilization, energy storage, EV battery components, advanced plastics recycling, vertical farming, sustainable aviation, and biopesticides.

No. Fortistar does not publicly report assets under management, total capital deployment, or the structure of its investment vehicles. The firm's website provides no detail on fund families, closed commitments, or limited partner relationships.

Fortistar does not publicly list its investment committee, managing partners, or senior leadership on its website. No named principals were identified from primary-source materials.