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Pembrokeshire Wave Energy Test Site

A new wave energy site located off the South Pembrokeshire coastline.

The Pembrokeshire Demonstration Zone is located off the South Pembrokeshire coast and comprises a 90 sq km area of seabed with water depths of between 50-62 metres. It is located between 15-21kms offshore. Management of the zone is provided by Wave Hub Ltd, the operating company of Wave Hub in Cornwall.

The Pembrokeshire Demonstration Zone is currently leased to accelerate wave energy technology development and has the potential to deploy three wave arrays of up to 30MW generating capacity each.  In addition, the zone could support a 90MW floating wind demonstration project. The site benefits from a 19 kW/m wave resource and 10 m/s wind resource.

The zone is located in an area with a number of factors that make it ideal for offshore renewable energy development:

  • A 400kV transmission line and substation located coastally at the Pembroke Power station
  • World class deep water port facilities and support services provided through the UK’s third busiest port complex
  • An excellent energy sector supply chain and workforce
  • A dedicated, Government backed Energy Enterprise Zone with business development incentives
  • Experience in constructing and deploying Wales’ first tidal stream device
  • Access to expert academic and research facilities
  • An EU Structural Fund Programme for West Wales and the Valleys that has prioritised marine energy

A feasibility study will be completed in June 2018, which has been part funded by the Welsh Government and the Welsh European Funding Office.  The second phase of work will focus on developing the detail design and securing consent, and this is due to start later in 2018. 

Consent for this 180MW wave and floating wind demonstration zone could be achieved in 2022, infrastructure could be built by 2024 and the first technology could be installed in 2025.

The Pembrokeshire Demonstration Zone forms part of the Pembroke Dock Marine project, which is supported by the Swansea Bay City Deal. Pembroke Dock Marine will regenerate an area of Pembroke Dock to create a dedicated site that will be used as a base by marine energy developers to progress their devices from an idea to a commercial product.

Development of the marine energy sector in Pembrokeshire is also supported by Marine Energy Wales, which brings together technology developers, the supply chain, academia and the public sector to establish Wales as a global leader in sustainable marine energy generation.

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