Inspenet, December 3, 2023.
Startup Seaturns has installed a scaled-down model of its wave energy converter near Brest. This novel cylindrical device, measuring 3.6 meters in length and 1.5 meters in diameter, is being tested at the IFREMER site, near Sainte-Anne du Portzic. The objective is obvious: if the tests are successful, it is planned to launch its commercialization by 2025.
Seaturns’ technology operates through an aquatic pendulum, where a mass of water inside the cylinder moves in response to the movement of the sea and a specific mooring system. This movement generates controlled air currents that activate a turbine. The simplicity of its design minimizes maintenance and repair requirements.
If everything continues as planned, the final converter will have a capacity of between 100 and 200 kW, with dimensions of 14 meters in length and 6 meters in diameter. Its application will not be limited only to the electrical grid, but will also extend to green hydrogen production and other industrial environments. The vision includes farms made up of these power-generating buoys, similar to existing offshore wind farms.
Seaturns harnesses wave energy
What makes Seaturns unique is its patented anchoring system, which transforms the vertical movement of waves into an efficient horizontal movement for energy collection, adaptable to various marine environments.
The development of this technology has been a significant challenge, requiring years of research and testing in various locations across Europe, such as LHEEA in Nantes, Aalborg in Denmark, Porto in Portugal and Santander in Spain. The prototype has proven robust even in the face of adverse weather conditions, such as the recent storm Ciaran.
Innovation in marine renewable energy
This project represents an important step forward in the exploration of renewable and sustainable energy sources, highlighting that the power of the sea can play a crucial role in our transition to cleaner forms of energy.
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