TotalEnergies has hired Fugro to conduct geotechnical surveys for the NordSee Energies 1 (NSE1) offshore wind farm located at the N-12.1 site in Germany, where survey work is currently in progress.
The investigations will occur at about 140 sites, reaching depths of up to 50 meters below the seabed. These surveys are critical for understanding seabed conditions at planned wind turbine locations and inter-array cable routes, aiding in the safe and efficient design of turbine foundations. Fugro is employing a fleet of five specialized vessels for this campaign.
Advanced technologies, including the SEACALF Mk V seabed cone penetration testing system, are being used. Subsequent laboratory testing will take place at Fugro’s facilities in Wallingford, UK, and Louvain, Belgium.
“With a five-vessel program, this is one of the largest offshore wind investigations we’ve undertaken in Europe,” stated Remmelt de Jong, Fugro’s Regional Business Line Director for Marine Site Characterisation in Europe and Africa. “By combining advanced technology with expert analysis, we’re ensuring TotalEnergies receives the foundation data needed to keep this project on schedule and support Europe’s clean energy goals.”
TotalEnergies won the rights for the N-12.1 site during the German offshore wind tender in 2023, securing the area with a bid value of EUR 1.875 million/MW (EUR 3.75 billion total).
In the same tender, TotalEnergies also gained a site for its 1 GW Ostsee Energies (OSE) project in the German Baltic Sea, the O-2.2 area, with a bid of EUR 2.07 million/MW (EUR 2.07 billion total). In November 2025, TotalEnergies submitted permit applications for the two offshore wind farms to the Federal Maritime and Hydrographic Agency (BSH).
Construction on both NSE1 and OSE projects is slated to start in 2029, with commissioning expected by 2031.
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