The start-up company from Itzehoe supplies solar power from photovoltaic systems that it installs on its customers’ roofs. GrünWatt also replaces outdated heating systems with state-of-the-art heat pumps. As an additional component of a decentralised energy concept, GrünWatt offers modern storage solutions.

Alexander Grundmann, Jonathan Reuther and Christian Rink advised GrünWatt on the development of its business model.