Jan De Nul begins seabed preparation for OranjeWind offshore wind farm

Type: Development · Technology: Offshore Wind · Country: Netherlands · Announced: 2026-03-30

Jan De Nul has commenced seabed preparation for the OranjeWind offshore wind project in the Netherlands, marking the initial phase of offshore construction. The company's vessel, Simon Stevin, is installing a filter layer of erosion protection rocks, a critical step before the installation of 53 monopile foundations. This work, loaded from Norway, is expected to conclude in May 2026. OranjeWind, a joint venture between RWE and TotalEnergies, will feature 53 Vestas V236-15 MW wind turbines located approximately 53 kilometers off the coast of IJmuiden. The project is slated for full commissioning in early 2028, with foundation and cable installations scheduled for later in 2026.

Analysis

Jan De Nul has commenced seabed preparation for the OranjeWind offshore wind project in the Netherlands, a joint venture between RWE and TotalEnergies, with the company's vessel, Simon Stevin, installing a filter layer of erosion protection rocks. Jan De Nul Group is a leading Belgian family-owned infrastructure contractor specializing in dredging, marine construction, civil engineering, and offshore energy infrastructure, with over 7,000 employees. RWE is a leading renewable energy company investing billions of euros worldwide in the energy transition, while TotalEnergies is a global integrated energy company that produces and markets energies. The project, located approximately 53 kilometers off the coast of IJmuiden, is expected to conclude its seabed preparation work in May 2026 and be fully commissioned in early 2028. The OranjeWind project will feature 53 Vestas V236-15 MW wind turbines.

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