Overview

What they do
Headquartered in White Plains, New York, Fortistar is an opportunity-oriented, private investment and energy asset management firm that is distinguished by its experienced people with a deep understanding of energy operations, financing and development. Fortistar owns and operates lower carbon energy generating companies in The United States and Canada that support the transition to a low carbon economy. These companies include cogeneration facilities; compressed natural gas fueling stations; landfill power plants; projects that reduce carbon in industrial facilities, and biomass facilities.
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What they look for
Fortistar utilizes its capital, flexibility and operating expertise to grow high-performing assets, first in independent power and now in other areas that support decarbonization, creating economic and sustainable value for partners and communities.
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Stage
Series B+
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Sectors
Climate, Food and agriculture, Mobility and logistics, Other
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Based
White Plains, US
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Sources

2026-08-28fortistar.comFortistar is a privately-owned investment firm that provides capital to build, grow and manage…
2026-08-28fortistar.comFounded in 1993, Fortistar is a privately-owned investment firm that provides capital to…
2026-08-28fortistar.comFortistar Invests in Titan AES $33 Million Series B to Transform Battery Diagnostics and…
2026-08-28fortistar.comOPAL Fuels LLC (Nasdaq: OPAL) is a leading vertically integrated renewable fuels platform…

Portfolio, cheque size and the rest

The 17 companies they have backed that we can see, the cheque they write, and whether they are deploying right now.

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