Subsea 7's subsidiary Seaway 7 will install the inner array grid cable system at the Hornsea Two offshore wind farm. Offshore activities at the site located ninety kilometres off the Yorkshire coast within the UK sector of the North Sea will commence in 2021.
The contract was awarded by Optimus Wind Ltd., a subsidiary of the Ørsted Group and is said to be worth between 50 and 150 million US dollars.
Inner Array Grid Cable System
The Hornsea Two offshore wind farm has a capacity of 1386 MW and consists of 165 wind turbine generators, each with a capacity of 8.4 MW. The inner array grid cable system consists of 165 66-kV copper-core submarine composite cables with a total length of more than 420 kilometres. In addition to the submarine cable installation works, Seaway 7 will also undertake a pre-installation submarine cable route survey, perform pre-installation boulder clearance activities and execute post-lay trenching services. Project engineering will commence immediately.







