Vattenfall, TenneT agree grid connection for 700 MW of Dutch offshore wind

Wind turbines in Dutch waters. Author: Eneco. License: Creative Commons, Attribution-ShareAlike 2.0 Generic.

January 16 (Renewables Now) - Offshore grid connection agreements have been signed for 700 MW of wind capacity to be built by Vattenfall AB at sites I and II of the Hollandse Kust Zuid zone off the coast of the Netherlands.

Dutch-German transmission system operator (TSO) TenneT announced that on Tuesday, explaining that the contracts concern the realisation of the connection and the transmission of power between the offshore wind farm and the TenneT Hollandse Kust Zuid Alpha offshore platform.

“The offshore grid is now really taking shape, first with 1,400 MW in the Borssele wind area, followed by Hollandse Kust Zuid and finally Hollandse Kust Noord in 2023. In the meantime, we’re preparing for the next North Sea projects in consultation with the Ministry of Economic Affairs & Climate,” said TenneT’s Senior Manager Offshore Nederland, Marco Kuijpers.

Swedish state-owned utility Vattenfall won the Hollandse Kust I and II projects in March 2018 in the first Dutch zero-subsidy offshore wind tender. The deadline for signing the grid connection contracts was March 2019.

The Hollandse Kust Zuid zone comprises four separate sites. The Dutch government is planning another zero-subsidy tender for portions III and IV in March 2019.

TenneT explained that the Hollandse Kust Zuid offshore grid comprises two transformer platforms at sea, each with a capacity of 700 MW, two 220 kV alternating current cables per platform, an onshore substation which is yet to be built, and an expansion of the existing Maasvlakte onshore high voltage substation.


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