The EU installed a record 27.1 GWh of battery storage in 2025, up 45% year on year, with utility-scale systems making up 55% of new capacity. Europe's battery fleet has grown tenfold since 2021, from 7.8 to 77.3 GWh.
The catch is scale: to support a renewables-based grid, the bloc needs roughly 750 GWh by 2030, another tenfold jump, and current annual rates are not yet enough. The European storage market is valued at about USD 24 billion in 2026 and forecast to grow nearly 17% a year through 2031. For anyone supplying components into this market, demand visibility is strong and the bottleneck is deployment speed, not appetite.