Technical FAQs 4

How many battery storage systems were installed in Germany in 2024?

Almost 600,000 new stationary battery storage systems were installed across Germany in 2024, increasing the country’s storage capacity by 50 percent year-on-year, according to preliminary data from the German Solar Industry Association (BSW Solar).

How many battery storage systems are there in Germany?

The latest figures for this year are 362,537 systems with a power output of around 2.6 GW and a cumulative storage capacity of 4.59 GWh. From ESS News The market data register of Germany’s Federal Network Agency (Bundesnetzagentur) lists 2,093,855 battery storage systems with a gross output of 15.24 GW and a usable storage capacity of 23.16 GWh.

Why does Germany need a battery storage system?

As the share of renewable energy in the power grid continues to grow, so does the need for efficient electricity storage. In 2024, battery storage systems in Germany grew by approximately 50 percent compared to the previous year.

Where is Germany's largest battery storage system located?

In March 2025, Germany’s largest battery storage system – located in Bollingstedt, Schleswig-Holstein – was connected to the grid. It delivers 103.5 megawatts of power and has an energy capacity of 238 megawatt-hours. The expansion of electricity storage is a key component of Germany’s energy transition.

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Germany s user-side energy storage installed capacity

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