Wire · technology
Grid-scale batteries take the lead, residential storage loses share
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Fusion42 · 17 August 2026 · Fusion42 review
The European battery energy storage system market grew by 48% in 2025 reaching over 100 GWh of total capacity, led by grid-scale battery installations which nearly doubled to 19 GWh and overtook residential storage in market share. Growth drivers include flexibility needs, wholesale price volatility, multiple revenue streams, falling costs, and supportive European schemes, while regulatory fragmentation remains a barrier to further expansion.
This Wire brief sits within Fusion42's coverage of Climate Tech.
◆ ◆ The Wire takeaway
Grid-scale batteries are becoming the backbone of Europe’s power system, creating a clear window for you to target utility-scale projects and tap multiple revenue streams while residential segments shrink. Regulatory inconsistencies pose risk but also open doors for founders ready to lead with harmonised solutions.
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1 source · 17 Aug 2026
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