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WEDUSEA is a pioneering €19.6 million project aiming to be the stepping stone towards large scale wave energy commercialisation.


It is a collaboration between 14 partners, spanning industry and academia from across the UK, Ireland, France, Germany and Spain. It is co-ordinated by the Irish company OceanEnergy.

The partnership project is co-funded by the EU Horizon Europe Programme and by Innovate UK, the UK’s innovation agency. 


OceanEnergy has developed the OE35, which is the world’s largest capacity floating oscillating water column (OWC) wave energy device (WEC). The floating WEC incorporates a trapped air volume with the lower part open to the sea. Wave pressures at the submerged opening cause the water to oscillate and drive the trapped air through a turbine to generate electricity.  This energy can be exported to the grid or used in other applications offshore. 


The WEDUSEA project will demonstrate a grid connected 1MW OE35 floating WEC at the European Marine Energy Centre (EMEC) Test Site in Orkney, Scotland.


The four year WEDUSEA project started in September 2022. It has three phases. The first phase is the initial design of a device suited to the European Marine Energy test site’s ocean conditions. This will be followed by the procurement, fabrication, fit-out and demonstration at the test site. The final phase will be commercialisation and dissemination which sees the capitalisation and exploitation of the results.


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