Funding round

Certain Energy raises £10 million Series A round

Certain Energy (United Kingdom) has raised £10 million in a Series A round, announced on August 26, 2026. The company is Develops manganese flow batteries for long-duration renewable energy storage. The round was led by British Business Bank, with participation from Centrica, Ceres Power Holdings, Temasek Trust's Catalytic Capital for Climate and Health (C3H).

Certain Energy raised £10 million in Series A funding to commercialise its manganese flow battery technology and prepare for grid-scale deployment.

Company

Certain Energy

Amount

£10 million (~$13.6M)

Round

Series A

Sector

energy storage

Country

United Kingdom

Announced

August 26, 2026

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This deal appeared in The Daily Raise, August 26, 2026. Get the next edition in your inbox.

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