At sea demonstration of the Archimedes Waveswing


Stage 3

Project Lead

AWS Ocean Energy Ltd

Project Sub-Contractors

Quoceant Ltd, Pelagic Innovation Ltd, Orcades Marine Management Consultants Ltd, 4c Engineering, Malin Group Ltd

For further information on the current status of this technology, please contact the AWS Ocean Energy.  

This Stage 3 project completed the design, fabrication, deployment and testing of a 1:2 scale prototype Archimedes Waveswing Wave Energy Converter (WEC). The project included the development and lab testing of novel components and systems prior to integration in the WEC for at-sea testing. The Stage 3 project reduced technical and commercial risks, and fulfilled an essential step in the route to commercialisation for the Waveswing technology.

The project includes a number of different test phases including: 

  • 1:20 performance testing 
  • 1:30/1:40 survival load testing
  • PTO onshore cycling
  • Seal material testing & seal component cycling
  • 1:2 Prototype Archimedes Waveswing deployment at the Scapa Flow test site in Orkney

The Archimedes Waveswing is an indigenous Scottish WEC, and has proven to be one of the most efficient WEC prime movers worldwide. After over a decade of research and development, and significant advances in performance during the three stages of the WES NWEC programme, AWS Ocean believes that the Waveswing provides the best technical prospect for unlocking the un-tapped resource of ocean wave power. Future developments will see multiple Waveswing devices sharing common infrastructure platforms to create multi-MW offshore power generation units to provide utility power at costs comparable with other large-scale renewables.


Project Keywords: Submerged Pressure Differential, Stage 3, NWEC, Scapa Flow, Testing, Performance, Operations & Maintenance

NWEC Stage 3 - Public Report - AWS Ocean Energy Ltd

This Public Report focuses on the outcomes from design and fabrication of a large-scale version of the AWS device through to an open water testing campaign in Scapa Flow, Orkney.

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