The Clean Fight
Overview
The Clean Fight is a not-for-profit climate tech accelerator that helps growth-stage companies from around the world scale in New York. Powered by New Energy Nexus and supported by the New York State Energy Research and Development Authority (NYSERDA), it focuses on high-impact solutions to help decarbonize New York's building stock and advance the clean energy transition. The accelerator provides grant funding, matchmaking with corporate and investor partners, and other tailored support.
Portfolio Companies
23
Website
thecleanfight.comInvestments
| Company | Date | Stage | Lead |
|---|---|---|---|
| Rocky Rabbit | Apr 2026 | Grant | Co-investor |
| Flow Environmental Systems | Sep 2025 | Grant | Lead |
| Ranial Systems | Jul 2025 | Grant | Co-investor |
| Logical Buildings | Jul 2025 | Accelerator | Co-investor |
| Elstor Oy | Jul 2025 | Accelerator | Co-investor |
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Sector & Stage Mix
Industry, funding stage, and valuation band breakdowns.
FAQ
Where is The Clean Fight based?
The Clean Fight is headquartered in Brooklyn, New York, United States.
When was The Clean Fight founded?
Founding year information for The Clean Fight is not publicly available.
How many portfolio companies does The Clean Fight have?
The Clean Fight has 23 portfolio companies in Caplight's dataset.
What are some companies in The Clean Fight's portfolio?
Recent investments visible on Caplight include Rocky Rabbit, Flow Environmental Systems, Ranial Systems, Logical Buildings, Elstor Oy.
What was The Clean Fight's most recent investment?
The Clean Fight's most recent investment on Caplight was in Rocky Rabbit in 2026.
What sectors does The Clean Fight focus on?
The Clean Fight focuses on Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Real Estate & PropTech, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Frontier & Industrial Tech, Energy & Sustainability, Energy & Sustainability, Crypto & Web3, Media, Entertainment & Gaming, Energy & Sustainability, Real Estate & PropTech, Energy & Sustainability, Real Estate & PropTech, Frontier & Industrial Tech, AI, Data & Cloud Infrastructure, Frontier & Industrial Tech, Energy & Sustainability, Frontier & Industrial Tech, Frontier & Industrial Tech, Real Estate & PropTech, Frontier & Industrial Tech, Real Estate & PropTech, Frontier & Industrial Tech, Mobility, Transportation & Logistics, Real Estate & PropTech, Enterprise Software, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, Real Estate & PropTech, AI, Data & Cloud Infrastructure.
What company stages does The Clean Fight focus on?
The Clean Fight typically invests at the MultiStage stage.