A new battery energy storage system combined with pumped hydro storage built by Engie has been inaugurated in Bavaria, Germany. Engie invested almost €20m ($23.36m) at the site in last week, changing and upgrading some equipment at one of the pumped hydro plants, and constructing a 12.5 MW battery storage system at the site. Nearly 40,000 batteries supplied by Siemens are housed in 180 racks. The battery will provide primary balancing services, helping to mitigate fluctuations in frequency within 30 seconds of receiving a signal from the grid. The existing pumped storage plant is already responsible for about 5% of balancing power delivered to Germany’s grid.
A new battery energy storage system combined with pumped hydro storage built by Engie has been inaugurated in Bavaria, Germany. Engie invested almost €20m ($23.36m) at the site in the past three years, changing and upgrading some equipment at one of the pumped hydro plants, and constructing a 12.5 MW battery storage system at the site. Nearly 40,000 batteries supplied by Siemens are housed in 180 racks. The battery will provide primary balancing services, helping to mitigate fluctuations in frequency within 30 seconds of receiving a signal from the grid. The existing pumped storage plant is already responsible for about 5% of balancing power delivered to Germany’s grid.