Cernay-lès-Reims uses Tesla Megapacks while other project partners include TSO Réseau de Transport d’Électricité (RTE), SICAE EST, the Municipality of Cernay-lès-Reims and the Grand Reims metropolitan area.
Large-scale BESS activity in France has started to pick up in the past year, driven by big opportunities in ancillary services and grid balancing activities. Neoen, Engie (both France-headquartered) and Harmony Energy recently launched construction on projects totalling nearly 1GWh combined.
Iberdrola puts Spain’s largest BESS online
Meanwhile in Spain, power firm Iberdrola has inaugurated what it claimed is the largest BESS project there.
The 58MW/120MWh project is co-located with the Campo Arañuelo solar complex in Cáceres. However, it is actually two separate BESS projects of around 60MWh each, co-located with the Campo Arañuelo I and II solar plants.














