Record-Breaking Construction in Central Europe
Germany continues to solidify its position as a leading market for utility-scale energy storage, with several gigawatt-hour battery energy storage system (BESS) projects officially breaking ground. These massive installations are designed to support the Central European transmission system amidst rapidly growing wind and solar capacities.
BW ESS Launches 5.7 GWh Klostermansfeld Project
BW ESS has officially started construction on the Klostermansfeld utility-scale BESS in Germany. The planned final capacity of this monumental project reaches an impressive 5.7 GWh, with commercial operation expected in 2028. The investor behind the project aims for a 20-fold increase in total operated capacity, leveraging extensive utility-scale BESS experience previously gained in the United Kingdom to expand its footprint across key European markets.
LEAG's GigaBattery Boxberg 400
In Saxony, power generator LEAG and turnkey BESS construction partner HyperStrong have started building the 400MW/1,600MWh 'GigaBattery Boxberg 400' project. This 4-hour duration project will connect directly to the high-voltage transmission grid on a former lignite-fired power plant site, symbolizing the region's transition from fossil fuels to flexible clean energy.
HyperStrong is providing the end-to-end solution including HyperBlock III liquid-cooled BESS units, and Siemens Energy is deploying a 380 kV switchgear system for grid connection.
This project is part of LEAG’s broader BESS portfolio in Germany, which includes the previously announced 1GW/4GWh GigaBattery Jänschwalde 1000 with Fluence, expected to be completed by 2027 or 2028. Additionally, LEAG and Fluence recently started construction on a second 100MW/400MWh system. These developments highlight the massive scale of storage deployment required to integrate renewable energy into the German grid.
Source: energy-storage.news, pv-magazine.com, i-meteo.cz
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