August 26, 2026
Certain Energy
Certain Energy (previously known as RFC Power) is a long-duration energy storage startup developing manganese flow battery technology for grid-scale deployment.
- Round
- Series A
- Amount raised
- $12.6M
- Lead investor
- British Business Bank
- Industry
- EnergyTech, Energy Storage, Cleantech
- Headquarters
- United Kingdom
- Employees
- 11-50 employees
- Website
- www.rfcpower.com
- View profile →
Other investors
- Centrica Energy
- Ceres Power Holdings plc
- Temasek Trust’s Catalytic Capital for Climate and Health (C3H)
Source: EU-Startups