The project reached ready-to-build status in the second quarter of 2026, and Sunotec is leading its implementation as a full-turnkey provider, covering engineering, installation and long-term operations and maintenance, the company said.The Stendal facility is expected to rank among Germany's largest battery storage systems once in operation, which is planned for the first quarter of 2027.WT Energiesysteme GmbH is building a new 110 kV substation at the site to connect the battery system to the grid.Power your inbox with Renewables Now's 4 free newsletters. Browse and subscribe for free.The project was developed under the SECURSUN framework, a joint venture between Sunotec and securenergy.Sunotec said it has installed 6.1 GWh of battery energy storage capacity across Europe and is expanding its storage activities into Germany as the country's renewable generation capacity grows.