Subsea 7 S.A has been awarded a sizeable(1) contract to Seaway 7 for the Hornsea Two offshore wind farm project by Optimus Wind Ltd., a subsidiary of the Ørsted Group, for the installation of the entire inner array grid cable system.

The Hornsea Two offshore wind farm project is located approximately 90 kilometers off the Yorkshire coast within the UK sector of the North Sea. The offshore wind farm has a capacity of 1,386 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 66kV copper-core submarine composite cables with a total length of more than 420km. 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 and offshore activities are due to commence in 2021.

Steph McNeill, Subsea 7’s SVP Renewables and Heavy Lifting, said: “We look forward to continuing our collaborative relationship with Ørsted to install the entire inner array grid cable system on the Hornsea Two offshore wind farm project. This award follows on from our reliable performance and successful completion of the installation activities for the Hornsea One offshore wind farm project earlier this year.”

(1) Subsea 7 defines a sizeable contract as being between USD 50 million and USD 150.

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