Energy company Engie is building a battery farm on an island in Lelystad, and the company Flevo-BESS is building a battery in Dronten that will soon be the largest in the Netherlands. Battery capacity is increasing due to the rise of renewable energy. RWE is expanding its battery storage business with an innovative technology for grid stability. 5 megawatts (MW) and a storage capacity of 11 megawatt hours (MWh) on the site of its power. Beemte Broekland (Apeldoorn), April 15, 2026 - The battery storage system BESS Apeldoorn, located in Beemte Broekland near Apeldoorn, has successfully reached the Commercial Operation Date (COD) and is thus officially commissioned. 5 MW/11 MWh BESS which has begun operating in the Netherlands will help transmission system operator Tennet develop standards for future sites which. he Dordrecht 45MW/90MWh Battery Energy Storage System (BESS). This project is poised to overtake the 30MW/68MWh Pollux project by SemperPower, cl rage System (BESS), the first of its kind in plant in Eemshaven on an area of around 3,000 square metres.