A tidal turbine being tested for use in the world’s first tidal turbine array in Islay on the West coast of Scotland has proved a success in hostile waters off the North of Orkney. Scottish Power Renewables fitted their HS1000 turbine at the end of last year and it has already been hooked up to the grid and is powering the Orkney Island of Eday.
The 1MW machine is weighed down on the seabed 50 metres below the surface of a stretch of water called the Fall of Warness. It has some of the strongest tides in the world with an Atlantic swell colliding with the North Sea. Tides in the area can reach up to 8 knots in Spring tides.
http://www.itv.com/news/2012-05-17/tidal-turbine-powers-up-in-orkney/
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