European Energy startup funding raised during 2021.
In 2021, 140 European Energy companies raised a combined €3.6B across 150 funding rounds. UK led by capital raised, and Bpifrance was the most active investor. Data as of 6 Jul 2026.
| Company | Stage | Date | Amount |
|---|---|---|---|
| IONITY | Other | Nov 2021 | €700M |
| Octopus Energy | Other | Sep 2021 | €514M |
| Energy Vault | Other | Sep 2021 | €286M |
| Octopus Energy | Other | Dec 2021 | €266M |
| Arctic Green Energy |
| Other |
| Jul 2021 |
| €204M |
| Flexion Energy | Other | Jul 2021 | €175M |
| Sunfire | Other | Oct 2021 | €109M |
| Verkor | Other | Jul 2021 | €100M |
| Newcleo | Other | Sep 2021 | €99M |
| Mainstream Renewable Power | Other | Nov 2021 | €90M |
| Energy Vault | Series C | Aug 2021 | €85M |
| EasyMile | Series B | Apr 2021 | €55M |
| Skeleton Technologies | Other | Mar 2021 | €51M |
| Lhyfe | Series A | Oct 2021 | €50M |
| Hydrogenious Technologies | Other | Sep 2021 | €50M |
