Heerema to build Hollandse Kust (noord) jacket

700 MW offshore platform

Iemants (part of Smulders) has awarded Heerema Fabrication Group (HFG) with a contract for the construction of the Hollandse Kust (noord) offshore transformer substation jacket. The jacket is planned to be ready in September this year.

TenneT, as the offshore grid operator in the Dutch part of the North Sea, is responsible for the offshore connection. Following a European tender procedure, In 2020, TenneT selected the joint venture ENGIE Fabricom – Iemants contract for the engineering, procurement, construction, offshore installation, connection and testing of the offshore transformer station for the Hollandse Kust (noord) wind farm zone. In September 2020, the first steel cutting for the topside took place.

HFG will now build the jacket for the station. The jacket will be 44 meters high and consists of 1,600 tons of steel. Construction will occur at the HFG Vlissingen yard, with fabrication scheduled to begin in January 2021 and completion planned for September 2021.

Standardised 700 MW offshore platforms
The station is the fifth to be built using the standardised 700 MW design that TenneT introduced. The first high-voltage connections for the wind farms near Borssele is now operational,and will be followed by the connections for Hollandse Kust (zuid) in 2022.

Hollandse Kust (noord) Offshore Wind Farm
The Hollandse Kust (noord) offshore wind farm will be located 18.5 km off the west coast of the Netherlands. In July 2020, the permit to build to build the wind farm was awarded to CrossWind, a joint venture between Shell in the Netherlands and Eneco. The wind farm will feature 69 Siemens Gamesa 11 MW wind turbines on monopile foundations. Hollandse Kust (noord) will be connected to the existing high-voltage station in Beverwijk. The connection is to be ready in 2023.

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