Germany, Jan. 29 -- On a site in Lingen, Lower Saxony, where acrylic fibres were produced until 2021, the largest battery storage facility in the region is now being built. RWE is constructing a 400-megawatt (MW) battery storage system on the former premises of Dralon GmbH, northeast of the Emsland gas-fired power plant. The planned facility will be able to deliver its maximum output for at least two hours. This corresponds to a storage capacity of at least 800 megawatt hours (MWh).RWE has now made the decision to invest and the facility is scheduled to go into operation in 2028.Among other things, the battery storage facility will provide balancing energy to stabilise the electricity grid. It also features the technology necessary to provi...