Certain Energy raises $12.8M series a
Announced 26 August 2026
◆ The Round
Certain Energy raised $12.8M in series a funding, announced on 26 August 2026, led by British Business Bank, with participation from Centrica Energy, Ceres Power Holdings plc, Temasek Trust's Catalytic Capital for Climate and Health (C3H). The round is tracked live by Fusion42 as part of the Raise fund database and the Scout startup database.
◆ About Certain Energy
A long-duration energy storage startup developing manganese flow battery technology for grid-scale deployment. Certain Energy is based in United Kingdom and currently at series a stage, operating in Climate Tech.
◆ Investors
LeadBritish Business Bank
ParticipationCentrica Energy, Ceres Power Holdings plc, Temasek Trust's Catalytic Capital for Climate and Health (C3H)
◆ Market context
This funding event is a citable node in Fusion42's market graph: it links Certain Energy's Scout profile to the funds behind the round and to related Wire analysis, and is refreshed from public announcements as the round is confirmed or extended. It is the same live market data Arthur reasons over when benchmarking a founder's own raise against what is closing in the market right now.
◆ Explore the market
◆ FAQ
How much did Certain Energy raise?
Certain Energy raised $12.8M in its series-a round, announced 2026-08-26.
Who invested in Certain Energy's series-a round?
The round was led by British Business Bank, with participation from Centrica Energy, Ceres Power Holdings plc and Temasek Trust's Catalytic Capital for Climate and Health (C3H).
What does Certain Energy do?
A long-duration energy storage startup developing manganese flow battery technology for grid-scale deployment.
Verified 26 August 2026 · Sources: public filings