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Hollandse Kust (Noord) topside makes a stopover in IJmuiden port

By: Tom Russell 30/09/2022 TenneT

General Substations Windfarms

Two weeks after its successful load out, the offshore substation topside for the Hollandse Kust Noord offshore wind farm left the port of Hoboken (Antwerp) on Wednesday (28 September 2022). The transport vessel has now sailed to the port of IJmuiden where the topside will remain at the Leonarduskade until weather conditions are good and the installation vessel Orion is available to install it offshore.

Once the Orion has finished its current job in British waters, the vessel will sail to the coast of North Holland. The 3,500-tonne topside structure will then be installed 18.5 kilometres off the coast of Egmond aan Zee. It will be lifted onto a jacket foundation which was firmly anchored to the seabed in November last year. The topside is 47 metres long, 35 metres wide and 25 metres high. The topside and jacket will then be welded together and it is expected to be commissioned in the coming months.

Two years after the first steel cut, the topside, built by the EQUANS/Smulders combination, is ready to be installed. It will transmit power generated by the Hollandse Kust Noord wind farm ashore.

The Hollandse Kust Noord wind farm wind farm is expected to be operational by 2023 with an installed capacity of 759 MW, generating at least 3.3 TWh per year. The wind farm will be located 18.5 km off the Dutch coast, near the town of Egmond aan Zee. Is it being developed subsidy-free by the CrossWind consortium, a joint venture between Shell and Eneco. It will consist of 60 Siemens Gamesa SG 11.0-200 DD turbines.

This is the first of the three topsides EQUANS/Smulders are delivering for TenneT. It is to be followed by substations for the Hollandse Kust West Alpha in 2023 and West Beta in 2025, each with a 700 MW capacity.

The export cables for the Hollandse Kust Noord offshore wind farm have been installed. In the coming weeks, the cables for West Alpha will also be laid by Jan de Nul Group.

For more information on offshore wind farms worldwide, click here.

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Hollandse Kust (Noord) topside makes a stopover in IJmuiden port

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