Germany-based utility E.ON has invested in US energy storage software, systems and service company Greensmith, bringing the storage specialist’s Series C round of growth financing to US$18.3 million.

PV Tech Storage attended the late November launch of sonnenCommunity, a new energy trading platform launched on a limited basis in Germany based on Sonnen’s residential energy storage systems. Andy Colthorpe spoke to two key members of the Sonnen team at the event, CEO Christoph Ostermann and sales director Philipp Schröder.