France's Largest Battery Goes Live at 240 MW/480 MWh
TagEnergy's Cernay-les-Reims project, built on 140 Tesla Megapack units across 3 hectares, is now France's largest operational grid battery. In its first four months it logged 145 full cycles and 70.5 GWh of returned energy.
- 240 MW / 480 MWh connected to RTE's 225 kV grid; certified for FCR and aFRR services
- 140 Tesla Megapack containers on 3 hectares; civil and electrical works by Eiffage
- TagEnergy and Banque des Territoires co-own the project; Banque holds a 49% stake