Tritech Sonars Installed on SeaGen

Richard Marsh, Managing Director of Tritech said that offshore tidal energy is eminently more sensible than wind farms. Water is 800 times denser than air, so for the same size and flows, a water turbine produces 800 times the power of a wind turbine. Also, we can be sure of two tides a day, whereas the wind is hopelessly random. Thritech therefore are delighted to be part of this project and helping to ensure that tidal generators do not endanger marine mammals.

With the aim of providing real-time sub-surface imagery, the Sea Mammal Research Unit Ltd (SMRU) conducted trials of commercially available sonars. The trials determined the sonar's potential to detect and track marine mammals around tidal turbines and other types of offshore development involving marine renewable energy. The testing process involved trials of several sonar products with Tritech's Super SeaKing DST giving the best results.

The SeaGen's impact on wildlife and the environment is expected to be small, while retaining its potential to generate electricity to power over 1,000 homes. SeaGen will start the race in sourcing alternative tidal energies, making its launch a landmark in British energy history, producing electricity for the first time from our shores. Leading Tidal Energy Company, Marine Current Turbines Ltd (MCT) is planning the imminent installation of the 1.2MW SeaGen in Northern Ireland's Strangford Lough.

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