OranjeWind is expected to generate 3TWh annually. Credit: RWE.

RWE and TotalEnergies have chosen the port of Eemshaven as the assembly and construction base for their joint offshore wind project, OranjeWind, in the Dutch North Sea.

The port, located in the northern Dutch province of Groningen, will serve as the hub for turbine assembly and construction activities. The decision is part of a broader agreement with Buss Terminal Eemshaven.

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Construction at the offshore wind site is set to commence in early 2026. Offloading, storage, handling and pre-assembly of major turbine components and inter-array cabling will be managed from the Buss Terminal Eemshaven.

The monopile foundations will be directly transported to the offshore site from Sif’s facility in Rotterdam.

Turbine installation at the OranjeWind site, located 278km from Eemshaven, is scheduled to begin in early 2027, with full commissioning expected by the end of that year.

RWE is currently utilising the Buss terminal for its Danish offshore wind project, Thor, and is preparing for the German Nordseecluster A project.

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The agreement for OranjeWind includes a marshalling area of between 35 and 40 hectares, accommodating both the OranjeWind and Nordseecluster B projects.

OranjeWind is expected to generate 3 terawatt hours (TWh) annually, enough to supply one million Dutch households with green electricity.

Vestas will supply 53 15MW turbines for OranjeWind, while Sif will produce monopiles and secondary steel components.

The Jan De Nul Group is contracted for transportation and installation activities for foundations and turbines. TKF will supply inter-array cables, with DEME handling their transportation and installation.

DEME is also responsible for installing secondary steel components for the foundations. Grid operator TenneT will manage the offshore grid connection, linking inter-array cables to its substation, and exporting to the onshore substation in Wijk aan Zee.

Vestas will service the turbines for five years under a service agreement, then provide long-term operational support.