Certain Energy

Raised $13.6M in a Series A round, announced 26 August 2026.

Round

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

Amount
$13.6M
Stage
Series A
Announced
26 August 2026
Lead
British Business Bank
Other investors
Centrica, Ceres Power Holdings, Temasek Trust's Catalytic Capital for Climate and Health (C3H)
Use of funds
Develop a grid-connected MWh-class system in India, expand the UK research facility, build a supply chain and prepare for volume production.
Checked
Amount and date matched across 3 press sources

Company

Develops manganese flow batteries for long-duration renewable energy storage

Based in
United Kingdom
Founded
2017
Sector
Climate & Energy
Website
certainenergy.com ↗

Founders

  • Anthony Kucernakprofessor, set up Certain Energy in 2017 as a spin-off from Imperial College London
  • Nigel Brandonprofessor, set up Certain Energy in 2017 as a spin-off from Imperial College London

Sources and links

Sources
Certain Energy raises £10M Series A for long-duration battery storage tech.eu
Certain Energy raises £10M to tackle Britain’s £8B grid waste problem techfundingnews.com
Grid instability fuels €11.6 million raise for UK EnergyTech startup Certain Energy eu-startups.com
Website
certainenergy.com ↗
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