World’s largest offshore windfarm project opens new base

4 September 2019

Ørsted has officially opening the Hornsea Two Offshore Construction Base (HTOCB) at Humberside airport in the UK.

The building, formerly a police station at the airport, will now house around 30 Ørsted employees who will be working to construct the next record-breaking offshore windfarm, Hornsea Two, which is located 89km off the Yorkshire coast. It will have a capacity of 1386 MW when completed in 2022, making it the world’s biggest offshore wind farm. Decommissioning is scheduled for 2046.

Onshore cable works for the project have already begun, undertaken by Preston-based VolkerInfra, and construction of the onshore substation is progressing. Most of the major contracts have now been awarded and offshore construction is due to begin in 2020. The project’s 165x8.4 MW turbines are being supplied by Siemens Gamesa, with the majority of blades being manufactured at their facility in Hull. Despite having fewer turbines than sister project Hornsea One, the project will use a newly manufactured larger blade to generate more power. The blades have been specifically developed for the site by Siemens Gamesa in Hull.  

Ørsted’s East Coast Hub – the world’s largest operations and maintenance based facility for offshore wind, and located in Grimsby, is expected to open later this month.



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