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The GERES-Group operates in a broad spectrum from planning to operational management of renewable energy systems. As a pioneer in onshore energy system planning, the GERES-Group left its first footprint in 1995 with the managing directors Dipl. economist Norbert Wiemann and Carmen Wiemann.

Achieving the highest quality for the project structures reconciles with the company‘s philosophy. Not only a safe and, therefore, long-term planning capability but also the compatibility of the environment and society with the project is of the highest importance. Nowadays, the GERES-Group is represented internationally with offices in Germany, Italy, the United States of America and Mexico.

Since its founding, the GERES-Group has planned and led to the approval of wind turbines with a combined output of 200 megawatts. The company operates and owns 143 megawatts of green energy in its wind turbine inventory. Additionally, 50 megawatts of solar power plants were planned and realised internationally by the GERES-Group.
Each year, the company group produces energy from renewable sources to feed the local electricity grids, thereby proactively supporting environmental protection for a sustainable future. We are taking care of the green energy mix of tomorrow by planning a combined energy output capability of 100 megawatts for the following years.