Amprion Offshore has commenced the bidding process for the supply of converters and cables for the offshore wind grid connections DolWin4 and BorWin4.
The process will take about a year with contracts scheduled to be awarded in mid-2022.
The DolWin4 and BorWin4 assets will be located in the North Sea to connect wind farms in the areas 3 and 6 with the transmission network on land.
The projects will consist of around 125 km of submarine cables and around 155 km of underground cable laid using low-loss direct current technology.
Another converter system will be installed near the Hanekenfahr grid connection point to convert incoming direct current back into alternating current.
The invited bidders will initially be required to develop their offers for both systems in order to be able to leverage synergies between the projects.
In the past year, Amprion has worked on a front end engineering design and approaches to the technical design of the converter platforms developed to come up with a clearly defined and uniform concept for the design of both assets.