- 8090 Industries
- Acumen Capital Partners
- ArcTern Ventures
- Avaana Capital
- BayWa r.e. Energy Ventures
- BDC
- BP Ventures
- Braemar Energy Ventures
- Capricorn Investment Group
- Chrysalix Venture Capital
- City Light Capital
- Climate Investment (CI)
- Cycle Group
- DEG
- DOB Equity
- DOEN Participaties
- Doral Energy-Tech Ventures
- Earth Venture Capital
- Eneco Ventures
- Energize Ventures
