Step forward for FLOW project

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Two advanced wind measurement buoys have been deployed in the UK Celtic Sea, between Cornwall and Wales, in a further step towards generating gigawatts of power from floating wind turbines.

The Floating LiDAR systems will provide data to pave the way for the strategic development of floating offshore wind (FLOW) in the Celtic Sea, which the Crown Estate has earmarked for up to 4GW of new clean energy capacity by 2035.

The project is being led by Hayle-based Celtic Sea Power under the £6 million Cornwall FLOW Accelerator programme (part-funded by the European Regional Development Fund) which is working to speed up the development of FLOW in the UK and optimise its benefits for the region.

The WINDSEA floating LiDAR (Floating Laser imaging, Detection and Range) systems, provided by French company Akrocean, have been positioned around 60 miles offshore and use laser technology to accurately measure wind speeds and direction. Additional meteorological and oceanographic data will also be collected.

The buoys, which are 5.1m high and 2.4m wide, were deployed earlier this week out of Falmouth by specialist marine contractors Keynvor MorLift Ltd. They are expected to remain offshore for one year.

The data will build an accurate picture of the wind profile out to sea and form a broad-scale wind resource model that will benefit the region.

Neil Farrington, strategic offshore development manager at Celtic Sea Power, explained: “The data from these Floating LiDAR systems will benefit Cornwall, South Wales and the wider south west by feeding into a bank grade regional wind resource model. This model will then be validated by external experts (at Wood Group) to support investment decisions for FLOW sites across the UK Celtic Sea region. It will also help reduce the time it takes to install floating offshore wind farms.”

Celtic Sea Power estimates that having 3GW of capacity installed or under development in the Celtic Sea by 2030 would create at least 1,500 primary jobs, around 9,600 broader jobs, and £900 million of net additional GVA, positioning the UK as a world-leader. It says some 20 offshore wind energy developers are interested in the Celtic Sea as a location.

Collaborative work with floating wind developers in the area will also enable access to other floating LiDAR data sets from deployments in the region. This principal of data sharing will provide additional validation of the regional wind resource model and help accelerate development to the benefit of the south west and Wales.

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