Background on Sonnen – Company History Founded by Christoph Ostermann and Torsten Stiefenhofer during 2010 in the German village Wildpoldsried. The intelligent energy storage system producer sonnen has the goal […]
Background on Sonnen – Company History Founded by Christoph Ostermann and Torsten Stiefenhofer during 2010 in the German village Wildpoldsried. The intelligent energy storage system producer sonnen has the goal […]