Function
A number of vessels are used to support the installation process. These may include CTVs, anchor handling, barges, dive support and ROV handling vessels.
What it costs*
About £6 million for a 1 GW wind farm.
Who supplies them
Vessel manufacturers: Alicat, Arklow Marine Services, Damen, Diverse Marine, Integrated Wind Solutions, Maersk, Wagenborg and Wight Shipyard
Vessel operators: Fred. Olsen, HST Marine, Mainprize Offshore, Maersk, Turner Iceni, Siem Offshore, Van Oord, Wind Energy Marine, Windcat Workboats and Zelim.
Key facts
Specialist vessels are used for crew transfer to the wind farm for installation and commissioning tasks. These are typically 15-20 m workboats of the kind regularly used during wind farm maintenance.
ROV support vessels are 80-100 m DP2 vessels with a moon pool and deck crane.
What’s in it
- CTV
- Barge
- ROV