About Us

Energie21 GmbH is a consulting and planning company in the areas of renewable energy and decarbonisation. We have broad experience with technologies and systems in the areas of solar energy and industry.

Our goal is to help shape the energy transition towards sustainable business practices and ways of living. We always aim to seek the best possible solutions for our clients and support them in the successful planning and execution of their projects.

Care, respect and reliability are three of the main values that guide our thoughts and actions.


Roman Bader

Roman Bader

Director and Project Manager

Roman Bader has worked in the energy sector for over 10 years. He has in-depth knowledge and experience in the areas of renewable energies and industrial process technologies.

As a technical planner and consultant, he has developed and implemented photovoltaic solutions for various properties. In the industrial sector he has developed energy concepts and solutions for different large and small industrial companies.