The EU’s battery energy storage fleet has grown for the 12th consecutive year, marking yet another record year for new installations. According to a new report from SolarPower Europe (SPE), 27.1 GWh were deployed in 2025, a 45% year-on-year growth, mostly powered by utility-scale systems.
This confirms that Europe has already expanded its battery fleet tenfold since 2021, rising from 7.8 GWh to 77.3 GWh today. To meet its energy flexibility needs by 2030, the EU must now repeat this tenfold increase, scaling to around 750 GWh by the end of the decade, the industry association said in its market review.
2025 marked a watershed year for Europe’s battery storage market, as utility-scale systems emerged as the main driver of expansion, delivering 55% of all newly added capacity. Improved market conditions and strengthened policy frameworks enabled large-scale projects to reach record levels.
While behind-the-meter storage continues to play a vital role, residential batteries declined for the second consecutive year, dropping 6% to 9.8 GWh, largely due to lower electricity prices and reduced support schemes. Commercial and industrial battery systems saw modest growth but remain a smaller segment of the market.
“The strong uptake of utility-scale batteries in 2025 shows investors are ready, the technology is mature, and the system benefits are clear. But we must now dramatically accelerate deployment. To support EU security and competitiveness, we need a battery fleet capable of supporting a fully flexible, renewable based energy system,” said Walburga Hemetsberger, CEO of SolarPower Europe.
The report also underscores the state of EU battery manufacturing, highlighting a solid midstream industrial base with 252 GWh of nominal cell production capacity in 2025, while noting that significant structural gaps persist.
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