PARIS, June 2, 2025 – Eren Industries and Acacia are joining forces to develop, build, and operate a portfolio of battery energy storage system (BESS) projects in France totalling over 500 MW, including nearly 200 MW that are about to begin construction and more than 300 MW currently in advanced development.
The news was released by Bloomberg this morning. Leading battery storage developer Harmony Energy is set to deliver France's largest battery energy storage system (BESS)—the Cheviré battery project – using Tesla Megapack technology.
Lisbon-headquartered renewable energy company TagEnergy has launched construction of France's biggest battery energy storage system (BESS). Tesla will contribute to the project also, offering market access services and its expertise in advanced storage solutions.
PARIS, June 2, 2025 – Eren Industries and Acacia are joining forces to develop, build, and operate a portfolio of battery energy storage system (BESS) projects in France totalling over 500 MW, including nearly 200 MW that are about to begin construction and more than 300 MW currently in advanced development.
What does Harmony Energy do for France?
Harmony Energy CEO for France Andy Symonds said: “Developing and operating vital battery energy storage facilities across France, will lead to enhanced energy security, more affordable energy bills, and the decarbonisation of the grid. We are excited to commence building works on our first project.”
What is the Cernay-lès-Reims battery project?
Fully developed and managed by TagEnergy, the Cernay-lès-Reims battery project benefits from significant economies of scale, with a storage capacity nearly five times larger than the country's current largest operational battery.
What is tagenergy doing in France?
“TagEnergy is proud to announce this flagship project in France, just weeks after connecting the first phase of the Southern Hemisphere's largest wind farm in Australia and the UK's largest transmission-connected battery”, said Franck Woitiez, CEO of TagEnergy.