Siesbach Süd wind farm: foundation work begins
The infrastructure for the Siesbach Süd wind farm is in place. Construction of the foundations for the three Enercon E-138 turbines starts in mid-October 2026.

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Commissioning, construction phases, awards and developments in the industry.
The infrastructure for the Siesbach Süd wind farm is in place. Construction of the foundations for the three Enercon E-138 turbines starts in mid-October 2026.
Next to its own Breitenbich substation, the GERES-Group is planning a battery storage system with an output of 18 megawatts and a storage capacity of 40 megawatt hours.
In September 2026 the German Renewable Energy Federation published its Energiewenderechner, an energy transition calculator. The GERES-Group supported the project.
Following the amendment of the development plan, the permit under the Federal Immission Control Act has been granted. Two Enercon E-175 and four Enercon E-138 turbines will replace seven older turbines.
Four Enercon E-115 turbines with a combined 16.8 megawatts are connected to the grid at the Grimburg wind farm.
A further Enercon E-82 wind turbine extends the Sitzerath wind farm.
The Thüringer Energie- und GreenTech-Agentur has recognised the project delivery of the GERES-Group with its ‘Faire Windenergie’ seal.
The Bundesverband Erneuerbare Energie has presented its proposals for an electricity market design based on renewable energy.