Intelligent energy for today and tomorrow

The best concepts for a future energy mix – that is our way. For more than 20 years, we break new grounds with experience, competence, and responsibility.


Logo ecoJoule

ecoJoule – the Group's project developer and constructor of wind, solar, and bioenergy power plants.


Logo deanSolar

deanSolar – a full portfolio of services for solar power plants, from project development to construction and plant management.


Logo deanBV

deanBV is a service provider tasked with the management and administration as well as the technical and commercial operation of wind, solar and bioenergy installations.


Logo deanHG

deanHG is a trading house for renewably sourced electricity, heat and climate and energy assets. We offer complete or shares of energy generation plants, especially in the wind, photovoltaic and bioenergy fields.