Celtic Sea Cluster Established to Drive Floating Wind Development

Photograph: The Celtic Sea Cluster Governing Board
Photograph: The Celtic Sea Cluster Governing Board

Welsh Government and Cornwall and Isles of Scilly Local Enterprise Partnership have formally launched the Celtic Sea Cluster, to help drive market creation for floating wind, accelerate supply chain readiness and develop a strategy for upgrading regional infrastructure.

The Cluster will be the single industry voice to respond to the growing number of project developers staking a claim to areas of seabed in the Celtic Sea, the area of ocean situated off the coast of Cornwall, between Wales and Ireland.

With support from Marine Energy Wales, Celtic Sea Power and Offshore Renewable Energy (ORE) Catapult, the Celtic Sea Cluster aims to accelerate offshore wind deployment in the Celtic Sea region.

Analysis suggests 2040 targets for floating wind deployment in the Celtic Sea need to be on track to establish around 3.4GW (UK’s 100GW scenario) deployed capacity to achieve 2050 Net Zero.

Floating offshore wind is expected to contribute to the creation of more than 29,000 UK jobs and deliver an anticipated £43.6bn in UK gross value add (GVA) by 2050 against a 100GW offshore wind deployment scenario whilst boosting industry and opportunity in Wales and the South West.

The launch, supported by Chair of the Celtic Sea All Party Parliamentary Group and Devon MP Selaine Saxby, set the vision of collaboration and cooperation, where the Cluster Board, working closely with The Crown Estate and Celtic Sea Developers Alliance, set a vision to "significantly reduce the current 10 years for offshore wind projects to achieve first power generation."

Selaine Saxby, Chair of the APPG, said: “Floating offshore wind is crucial to the UK’s net-zero ambitions, offering huge potential to deliver new clean energy, as well as significant new opportunities for jobs and the supply chain. Collaborative working, as we are seeing around the Celtic Sea, provides a mechanism for evolution and innovative thinking, where extremely ambitious projects can work with the onshore and offshore environment and communities to enable low carbon operations.”

Huub den Rooijen, Managing Director of Marine, The Crown Estate said: “As part of our commitment to help unlock potential in the Celtic Sea, we continue to work closely with industry and stakeholders on test and demonstration-scale projects, as well as to develop a leasing opportunity for early commercial-scale projects, while ensuring that we protect our precious marine environment and the interests of other users of the sea. The Crown Estate extends its support to the Celtic Sea Cluster and looks forward to actively working with the Cluster’s board, with national partners, and to create a new market for floating wind and maximize the opportunities for regional and national supply chains.”

Andrew Jamieson, Chief Executive of ORE Catapult, said: “The development of a strong national supply chain is important for the UK to make the most of the floating wind opportunity. Collaboration, enabled by the Cluster, will help grow the region’s supply chain capability, with an aligned aim of kick-starting the sector in the region, facilitating best use of infrastructure, ultimately forging a new market that can mature to accelerate delivery and scale over the coming decades.”

According to the parties involved, there is a potential economic boom for Wales and the South West from the engineering, operations, and maintenance of the Celtic Sea floating wind platforms and turbines. Development has begun with a number of project developers starting preliminary planning.



Marine project developer Simply Blue Energy has partnered with TotalEnergies to develop the 96MW Erebus project off the south coast of Wales and with Shell to develop the up to 1.3GW Emerald project off the south coast of Ireland. Hexicon has partnered with Bechtel to develop a 30MW array on the Wave Hub site off the north coast of Cornwall. 

Also, there's the 100MW White Cross project, located off the coast of Devon and Cornwall led by a joint venture between Cobra Instalaciones y Servicios, S.A. and Flotation Energy plc.  

Further, the Llŷr 1 and Llŷr 2 projects, comprising two separate 100MW arrays, each testing different technologies, will be located south of Pembroke, on the Welsh coast led by Floventis Energy Limited, a newly established joint venture between SBM Offshore and Cierco Ltd.

Chair of the Celtic Sea Developers Alliance, Steve Hall, said: The development of floating offshore wind in the Celtic Sea requires collaboration and strategic development to enable the deployment of sustainable, green energy generation. 

"Working as we are cross borders, both in the Cluster and the Celtic Sea Developers Alliance, we can work to each other’s strengths, identify gaps and seek to maximize strategic benefit to the regions we support. The Cluster’s activities supporting emerging local supply chains will enable the delivery of local content, anchor expertise and drive innovation, which will undoubtedly facilitate accelerated deployment by making the Celtic Sea the easiest place in the UK to develop floating offshore wind."

Cluster members will include developers and supply chain companies with an interest in floating wind in the Celtic Sea.


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