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7h ago

LEAG, Fluence Unveil 1GW/4GWh 'GigaBattery' in Germany as Europe’s Largest Battery Storage Project

The four-hour SmartStack system is pitched to stabilize Germany’s grid, anchoring LEAG’s coal-to-clean GigawattFactory in Lusatia.

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Rendering of the GigaBattery Jänschwalde 1000 project. Image: LEAG

Overview

  • LEAG Clean Power and Fluence announced the GigaBattery Jänschwalde 1000, a 1GW/4GWh single-site installation in Jänschwalde, Germany.
  • Fluence will supply its SmartStack energy storage solution, with the project designed to provide grid services, support energy trading, and bolster energy security.
  • The facility is configured for four-hour duration to optimize the existing grid connection and improve system stability, according to LEAG Clean Power.
  • The site lies in Lusatia next to LEAG’s lignite power station, positioning the project as a flagship within LEAG’s GigawattFactory transition strategy.
  • Energy-Storage.News reports the use of LFP battery cells and notes Fluence’s Vietnam plant scaling SmartStack production, with a targeted in-service window in 2027–2028 reported by a Fluence manager and subject to development and regulatory steps.