About
Breakthrough Energy Ventures (BEV) is a venture capital firm founded in 2015 by Bill Gates and a coalition of private investors. It focuses on financing, launching, and scaling companies that aim to eliminate greenhouse gas emissions across various sectors of the global economy, including electricity, transportation, agriculture, manufacturing, and buildings. BEV supports companies at every stage, from early discovery to large-scale deployment, using technology, policy, and market-driven solutions to make clean energy affordable and scalable.
Key facts
- Website
- breakthroughenergy.org
- Type
- VC
- Headquarters
- Kirkland, United States
- Funds raised
- $3.1B
- Portfolio companies
- 110
- Stages
- SeedSeries ASeries BGrowth
- Sector focus
- Clean EnergyClimate TechAgricultureManufacturingTransportation
Recent investments
| Date | Company | Round | Amount |
|---|---|---|---|
| 1 May 2026 | Mantle8 | Series A | $31M |
| 27 Mar 2026 | AetherFlux | Series B | $300M |
| 19 Mar 2026 | Fervo Energy | Project Financing | $421M |
| 2 Dec 2025 | Antares | Seed | $96M |
| 29 Sept 2025 | AetherFlux | Undisclosed round | Undisclosed |
| 28 Aug 2025 | Commonwealth Fusion Systems | Undisclosed round | $863M |
| 1 Jul 2025 | Mariana Minerals | Series A | $85M |
| 10 Jun 2025 | IonQ Inc. | Undisclosed round | $10M |
| 30 May 2025 | Heron Power | Series A | $38M |
| 24 Apr 2025 | Electra | Series B | $186M |
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Frequently asked
What companies has Breakthrough Energy Ventures invested in?
Breakthrough Energy Ventures has invested in Mantle8, AetherFlux, Fervo Energy, Antares, Commonwealth Fusion Systems and 105 more.
SEC filings, insider activity, nonprofit links and pay benchmarks for Breakthrough Energy Ventures:
