TenneT picks contractors for land stations civil engineering work for Dutch 2GW projects

TenneT chose Dura Vermeer, BAM Infra Nederland, and Visser & Smit Bouw as part of a framework agreement for the civil engineering work required to build the land-based stations for the 2GW (gigawatt) projects in the Netherlands.

TenneT will implement the connection of offshore wind farms in accordance with a new 2GW standard starting in 2024. With the implementation of this new standard, electricity produced by offshore wind farms will be transmitted to land via an HVDC connection.

Land stations

The high-voltage grid and the offshore wind farms are connected by land stations. The voltage is reduced from 525 kV to 380 kV at the land station, converting the direct current to alternating current and making it compatible with the Netherlands high voltage grid. The buildings and building-related installations for these land stations will be realized by Dura Vermeer, BAM Infra Netherlands, and Visser & Smit Bouw. This calls for the construction of at least eight land-based stations by the year 2030. In the event that more 2GW projects are announced during the period of the contract, the framework agreement may be extended.

The partners were chosen for the civil engineering works tender based on quality, safety, and sustainability.

Realization start

The land stations’ fundamental layout has already been created. To guarantee the proper solutions are picked, the chosen parties are now actively involved in creating the detailed design.

“By working jointly on the designs, we can make choices at a much earlier stage. This contributes to the standardisation of the concept and ensures that we will face fewer surprises later in the process,” said Marco Kuijpers, Director Large Projects Offshore TenneT. 

In 2024, construction on the land stations will begin. 2026 is the anticipated year for the first delivery of the civil engineering work for the land stations.

Image source: TenneT

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