Transmission system operator (TSO) Amprion has launched <a href="https://www.amprion.net/Dokumente/Netzausbau/Projekte/Dezentraler-Netzbooster/Bekanntmachung-zur-verbindlichen-Ausschreibung-dezentraler-Netzbooster.pdf" target="_blank">a tender</a> for a decentralised grid booster project which involves installing large-scale batteries with a combined capacity of 250 MWh at five grid points in southern Germany.