Certain Energy
Certain Energy develops long-duration energy storage systems using manganese flow batteries to store renewable electricity for later use and support electricity grid operations.
Certain Energy has raised €12M across 1 funding round from 4 investors, most recently a Series A round in Aug 2026. Based in London, UK; active in Energy. Data as of 28 Oct 2026.
London, UKwww.rfcpower.com ↗
Total raised
€12M
€11,680,469
Funding rounds
1
Investors
4
distinct backers
Active since
2026-08
latest 2026-08
Funding by year
EUR raised per year · 2026 YTDCertain Energy — funding by year — interactive chart.
Data table
| Certain Energy — funding by year | |
|---|---|
| 2026 | €12M |
Signals
High confidenceRaise-next likelihood20
base rate 44% for Series A
- ▼ Raised very recently
- ▼ Low backer re-investment
Timing: too soon vs cohort gap · momentum unknown. Funding-only estimates, not predictions and not investment advice — see signals.
Funding rounds
1 round| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2026-08-26 | Series A | €12M | British Business Bank,Centrica,Ceres Power Holdings,Temasek Trust's Catalytic Capital for Climate and Health (C3H) | View deal → |