TenneT is seeking contractors for the Hollandse Kust Zuid and Hollandse Kust Noord offshore substations.
The scope of the contract covers design, engineering, production, delivery, transport and installation of both the topside and jacket foundation of each platform.
Each topside will measure 45 metres in length, 21 metres in width, with a height of 30 metres and weight in the region of 3000 metric tons. The jacket is expected to weigh approximately 1650 tonnes.
The platforms are to carry high-voltage switching and transformation equipment as well as auxiliary facilities . Intake power from the wind farms will be 66 kV, export power from the platform will be 220 kV.