Europe added a record 13.5 gigawatts and 26.4 gigawatt-hours of battery storage in 2025, helping to push the total installed capacity of all types of energy storage technology over the 100GW mark.

As of the second quarter of this year, installed energy storage capacity in Europe overtook nuclear, according Energy Storage Europe report.

Germany's battery storage capacity is growing fast, yet the technology's potential remains unfulfilled as regulatory uncertainties leave many projects in limbo, the German Solar…