Project owners BSTOR and Energy Solutions Group have started building separate BESS projects totalling 440MWh of capacity in Belgium, following financial close, both of which will use Tesla Megapacks. Belgium is one of the most active and mature grid-scale energy storage markets in Europe, with. . Kallo, 14 May 2025 – NHOA Energy, the global provider of utility-scale energy storage systems, today celebrated with ENGIE the groundbreaking of a 400 MWh battery energy storage system (BESS) in Kallo, Beveren, Belgium. The project will be delivered by NHOA Energy to ENGIE under a supply contract. . As of November 22 2025, both phases of the largest battery storage system in Europe have been completed and with the second phase awaiting commissioning. The company is also building other large-scale BESS systems in Belgium. For instance, a Kallo site has plans for 100 MW / 400 MWh. Meanwhile, a. . I4B – The Belgian Infrastructure Fund has invested EUR 30 million (USD 34. 6m) in a 600-MWh battery energy storage system (BESS) project in Belgium, one of the country's largest to date. Energy storage battery. Photo by Anna Vasileva The project is developed in Vise, Liege province, in partnership. . The project consists of 82 Tesla Megapacks 2XL and can deliver 75 MW of power over a period of four hours. This landmark facility is the largest of its kind in the country and stands as one of the most significant battery parks in Europe. The system is set to. .
