Europe’s largest battery storage project is being built in Germany

Germany is about to become home to Europe’s largest battery storage system – a massive 1 gigawatt (GW) / 4 gigawatt-hour (GWh) project in Jänschwalde, Brandenburg.

LEAG Clean Power GmbH and Fluence Energy GmbH, a subsidiary of US-based Fluence Energy (NASDAQ: FLNC), are teaming up to build the “GigaBattery Jänschwalde 1000.” The four-hour system will use Fluence’s Smartstack technology, its latest large-scale energy storage solution.

Once complete, Europe’s largest battery storage project will play a key role in stabilizing Germany’s grid and storing renewable power for when the sun isn’t shining and the wind isn’t blowing. It’s designed to deliver essential grid services, support energy trading, and boost energy security as the country phases out fossil fuels.

LEAG’s broader “GigawattFactory” plan combines solar and wind farms with flexible power plants and large-scale batteries across Germany’s Lusatian energy region. “By constructing gigascale storage facilities, we’re addressing one of the biggest challenges of the energy transition: ensuring constant power regardless of the availability of renewable energies,” said Adi Roesch, CEO of the LEAG Group.

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Fluence CEO Julian Nebreda described the project as a “milestone for the energy future of Germany and Europe,” adding that it demonstrates how collaboration and cutting-edge technology can “transform the foundation of our economy and our everyday lives.”

The German government recently reaffirmed the importance of storage in building a secure and affordable clean power system. With this 4 GWh giant, LEAG and Fluence are implementing that priority in one of Europe’s most coal-heavy regions.

Read more: Battery boom: 5.6 GW of US energy storage added in Q2

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