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Certain Energy raises £10M in Series A funding to commercialise its manganese flow battery technology, led by British Business Bank.

PRIVATEAug 26, 2026•about 7 hours ago

Amount Raised

£10 Million

Round Type

Series A

United KingdomEnergyOil And GasRenewable EnergySolarEnergy Storage

Investors

Temasek Trust's Catalytic Capital For Climate And Health (C3 H)Ceres Power HoldingsCentricaBritish Business Bank

Description

Certain Energy has raised £10 million in Series A funding to develop its manganese flow battery technology for grid-scale deployment. The funding aims to help stabilize electricity grids and reduce reliance on gas-fired peaker plants. The round was led by the British Business Bank with participation from other investors. This funding will support the company's mission to enhance renewable energy storage solutions.

Company Information

Company

Certain Energy

Location

United Kingdom

About

Certain Energy is a British long-duration energy storage company focused on developing manganese flow battery technology for grid-scale deployment. Founded in 2017 as a spin-off from Imperial College London, the company aims to stabilize electricity grids and reduce reliance on gas-fired plants by providing long-duration energy storage solutions. Their technology is designed to achieve high efficiency and lower costs compared to conventional storage systems. Certain Energy is actively working on expanding its research capabilities and developing a supply chain for commercial deployment.

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Funding Insights

Based on industry data
Typical timeline to Series B
Series A companies typically raise their next round in 10-18 months
Monthly burn rate benchmark
47% of Series A startups spend $400k or more per month on operations
VC-backed spending patterns
VC-backed companies spend 89% more on sales and 100% more on marketing than bootstrapped peers
Tech investment trends
83% of B2B companies plan digital investments, with 79% prioritizing customer experience tech

Certain Energy raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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