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Certain Energy
26 Aug 2026
Certain Energy raises a £10m Series A led by British Business Bank for long-duration battery storage on the clean energy grid
Certain Energy develops manganese-based flow batteries that store renewable electricity for durations ranging from hours to days. The systems are built for grid operators and energy providers that need to balance variable renewable generation, stabilise grids and cut reliance on gas peaker plants.


Grid Edge
3 Apr 2025
Grid Edge lands £2.8m led by Mercia Ventures to scale AI platform cutting energy costs and carbon emissions
Grid Edge builds AI software that analyses energy data from commercial buildings, helping owners and facilities teams reduce costs and emissions by optimising performance across meters, sensors and management systems.
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More venture news
- 26 Aug 2026

Certain EnergyCertain Energy raises a £10m Series A led by British Business Bank for long-duration battery storage on the clean energy grid
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Series ACybersecurity - 12 Aug 2026

CytixCytix raises a £5m Series A round led by Northern Gritstone to manage the security risk of AI-driven software change
Series ACybersecurity