# Top 50 Clean Energy VC (Venture Capital) Funds in United States in May 2026

| Investor | Relevant Deals | Geography | Stage | Focus |
| --- | --- | --- | --- | --- |
| Clean Energy Venture Group | 8 | United States, Canada | Series A, Seed | Energy, Renewable Energy, Manufacturing |
| Energy Impact Partners | 6 | United States, Canada, Germany | Series A, Series B, Series C | Software, Energy, Renewable Energy |
| Clean Energy Ventures | 6 | United States, Canada | Series A, Seed, Convertible Note | Energy, Manufacturing, Renewable Energy |
| Khosla Ventures | 5 | United States, India, United Kingdom | Series A, Series B, Seed | Software, Health Care, Artificial Intelligence |
| Safar Partners | 5 | United States, China | Seed, Series A | Biotechnology, Manufacturing, Health Care |
| Austin Ventures | 5 | United States, China, Japan | Series B, Series A, Series C | Software, Enterprise Software, Internet |
| Third Sphere | 5 | United States, Switzerland, Germany | Seed, Pre-Seed, Convertible Note | Software, Real Estate, Transportation |
| Chrysalix Venture Capital | 5 | United States, Canada, The Netherlands | Series B, Series A | Energy, Manufacturing, CleanTech |
| The Engine | 4 | United States | Seed, Series A, Series B | Biotechnology, Health Care, Manufacturing |
| CenterPoint Venture Partners | 4 | United States, France | Series C, Series B, Series A | Electronics, Manufacturing, Information Technology |
| Braemar Energy Ventures | 4 | United States, Canada, France | Series B, Series C, Series A | Manufacturing, Energy, Renewable Energy |
| Wonder Ventures | 4 | United States | Seed, Pre-Seed, Series A | Software, Health Care, Internet |
| Breakthrough Energy Ventures | 3 | United States, Canada, United Kingdom | Series A, Series B | Energy, Renewable Energy, Manufacturing |
| PJC | 3 | United States, Canada | Seed, Series A, Series B | Software, Health Care, Enterprise Software |
| Bolt | 3 | United States, Canada | Seed, Pre-Seed, Series A | Software, Health Care, Internet of Things |
| Starlight Ventures | 3 | United States, Finland, Spain | Seed, Series A | Biotechnology, Energy, Health Care |
| Hess Corporation | 3 | United States | Series A | CleanTech, GreenTech, Clean Energy |
| EnCap Flatrock Midstream | 3 | United States | Private Equity, Angel, Post-IPO Equity | Energy, Oil and Gas, Logistics |
| Milkbox Partners | 3 | United States, Canada, Germany | Series A, Seed | Machine Learning, Software, Information Technology |
| Kapor Capital | 3 | United States, Japan, Kenya | Seed, Series A, Series B | Education, Software, Health Care |
| Jericho Energy Ventures | 3 | United States | Series A | CleanTech, GreenTech, Clean Energy |
| American Family Insurance Institute for Corporate and Social Impact | 3 | United States, The Netherlands | Seed, Series A, Series B | Software, Health Care, Education |
| Anzu Partners | 3 | United States, Canada, Spain | Series A, Series B | Biotechnology, Manufacturing, Software |
| Robbins Venture Capital | 3 | United States | Seed, Series A | Health Care, CleanTech, Clean Energy |
| Backstage Capital | 3 | United States, United Kingdom | Seed, Pre-Seed, Series A | Software, Health Care, Internet |
| Tamarack Global | 3 | United States | Seed, Series A, Series B | Media and Entertainment, Aerospace, Renewable Energy |
| BoxGroup | 3 | United States, France, Mexico | Seed, Series A, Series B | Software, Health Care, Internet |
| TSVC | 2 | United States, China, Canada | Seed, Series A | Software, Artificial Intelligence, Health Care |
| ONE WORLD Impact Investments LLC | 2 | United States | Seed, Series A, Series B | Education, Health Care, Software |
| OVP Venture Partners | 2 | United States, Canada | Series B, Series A, Series C | Software, Biotechnology, Health Care |
| Dolby Family Ventures | 2 | United States, Austria, Israel | Series A, Seed, Series B | Biotechnology, Health Care, Therapeutics |
| Draper Athena | 2 |  |  |  |
| EnerTech Capital | 2 | United States, Canada, Israel | Series B, Series C | Energy, Software, Manufacturing |
| Brooklyn Bridge Ventures | 2 | United States, Trinidad and Tobago | Seed, Pre-Seed, Series A | Software, Health Care, FinTech |
| Alumni Ventures | 2 | United States, United Kingdom, Canada | Seed, Series A, Series B | Software, Information Technology, Health Care |
| Blue Fog Capital | 2 | United States | Seed, Series A, Series B | Internet of Things, Energy Efficiency, Smart Building |
| She's Independent | 2 | United States | Seed, Pre-Seed | Software, Health Care, SaaS |
| Prime Impact Fund | 2 | United States | Seed, Series A, Series B | Energy, Renewable Energy, Manufacturing |
| Amplify Capital | 2 | Canada, United States, India | Seed, Series A, Pre-Seed | Health Care, Education, Artificial Intelligence |
| PRIME Coalition | 2 | United States | Seed, Grant, Series A | Energy, Renewable Energy, Manufacturing |
| Good News Ventures | 2 | Canada, United States, Portugal | Seed, Pre-Seed | Software, Information Technology, Machine Learning |
| New Enterprise Associates | 2 | United States, India, China | Series B, Series A, Series C | Software, Health Care, Biotechnology |
| Energy Foundry | 2 | United States, Canada | Seed, Series A | Energy, Software, Internet of Things |
| Burrill & Company | 2 | United States | Series B, Series A | Biotechnology, Health Care, Medical |
| Cove Fund | 2 | United States | Seed, Series A, Series B | Health Care, SaaS, Software |
| Calvert Impact Capital | 2 | United States, India, Kenya | Debt Financing, Series A | Financial Services, Finance, Energy |
| Trinity Capital | 2 | United States, Canada, France | Debt Financing, Post-IPO Debt | Software, Energy, Health Care |
| Prelude Ventures | 2 | United States, Canada | Series A, Series B, Series C | Software, Energy, Manufacturing |
| Nabors | 2 | United States, Slovakia (Slovak Republic) | Series A, Corporate Round | Energy, Solar, Mining |
| Threshold | 2 | United States, Israel, India | Series B, Series A, Series C | Software, Internet, Mobile |

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