ENGIE has awarded NHOA Energy the contract to supply, commission, and provide long-term services for a new 80 MW / 320 MWh Battery Energy Storage System (BESS) at ENGIE’s Drogenbos power station near Brussels, Belgium. Scheduled to begin construction in March 2026 and commissioned by September 2027, the project aims to deliver grid flexibility, integrate renewable energy, and enhance national grid stability.
The system, based on NHOA’s NHEXUS platform with 88 battery containers, will provide up to four hours of discharge, meeting the average daily electricity demand of over 38,000 households.
The Drogenbos BESS represents ENGIE’s third large-scale battery asset in Belgium and was selected in the country’s fifth Capacity Remuneration Mechanism (CRM) auction, securing a 15-year contract starting in November 2027.
The project marks a significant new milestone in expanding the collaboration between NHOA Energy and ENGIE, as it follows the ongoing construction of the 400 MWh Kallo BESS, another flagship project for Belgium’s energy transition.
After commissioning, the operation of the plant will be supported via a Long-Term Service Agreement, combining long-term product and performance warranties with comprehensive operation and maintenance services. Through continuous monitoring of the plant and data-driven maintenance, coupled with an established local structure, NHOA Energy will guarantee ENGIE high availability levels and optimized operational performance throughout the asset’s lifecycle.
“With this new battery park, we are strengthening our current position as the Belgian reference in flexible energy generation and storage. It is no coincidence that flexibility is one of the three cornerstones of ENGIE’s strategy in Belgium, alongside renewable energy and smart customer solutions. The flexible storage capacity of batteries will play a key role in tomorrow’s energy system: by balancing supply and demand, they support the electricity grid and help us make optimal use of the available renewable energy.” commented Vincent Verbeke, CEO of ENGIE Belgium.
“We are proud to return to Drogenbos, the site of a pilot system we commissioned with ENGIE back in 2018, this time to deliver a landmark project for Belgium’s energy transition. With Drogenbos, we bring to the country another multi-hour storage system powered by our proprietary NHEXUS BESS platform and engineering expertise, reinforcing our position as a long-term partner for the development of flexible and resilient power systems,” said Lucie Kanius-Dujardin, Global Managing Director of NHOA Energy.
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