Geotechnical surveys launched for Jammerland Bugt Offshore Wind Farm.

A mobile drilling platform will carry out test drillings in Jammerland Bugt. A support vessel can be seen in the background

Copenhagen, Denmark 16th June, 2025 – After several months of geophysical surveys, scanning the seabed using 3D measurements, the next step in the development of the Jammerland Bugt Offshore Wind Farm is now being taken. New geotechnical surveys have been initiated to form the basis for the final design of the project in preparation for the actual construction work.

Geotechnical surveys involve sampling the seabed via boreholes in the area where 16 wind turbines are to be erected, as well as along the cable corridor to land. The aim is to obtain detailed knowledge of the seabed conditions so that foundations and cable routes can be planned accurately and safely.

“The geotechnical surveys provide us with knowledge about the conditions of the seabed itself and are therefore a crucial step in the actual design of the wind farm. Unlike geophysical surveys, these surveys are actual drillings at the individual wind turbine positions and in the cable routes for the power cables to the turbines,” says Zhanar Dreisig, Asset Manager for TotalEnergies Denmark.

When the surveys at Jammerland Bugt are completed in July, the mobile drilling platform, a so-called jack-up, will be moved to the Lillebælt Syd area to continue work on the Lillebælt Syd Offshore Wind Farm.

“The launch of the geotechnical surveys marks an important step in translating the planning work into physical progress at sea. These investigations are essential for ensuring that the final design is both technically sound and well-adapted to local conditions,” says Andreas Karhula Lauridsen, VP and Head of Offshore Wind at European Energy.

Later this year, further surveys will be carried out for Jammerland Bugt, both at sea and on land, in connection with the planning of the export cables that will run from the offshore wind farm to shore. These investigations are expected to continue until September.

TotalEnergies, together with its project partner European Energy, has prepared comprehensive environmental assessments that have been approved by the Danish Energy Agency. These assessments are designed to ensure that they take the necessary measures to protect nature and the marine environment in the area.

Construction permit granted in December 2024

Expected start of construction: 2027

Expected production start: 2029

Number of wind turbines: 16 wind turbines with a height of 256 m and a capacity of 15 MW each

Owners: TotalEnergies (85%) and European Energy (15%)