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. Belgium is facing increasing challenges with the growing electrification of the energy system. Electrical needs are expected to increase by 2. The country's strategic investments in battery systems and pumped hydro de ium's. 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 and a long-term. The project utilizes 320 units of Sungrow's PowerTitan liquid-cooled battery storage units.
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