Powering the ‘most powerful tidal turbine in the world’

Earlier this year, renewable energy technology company Orbital Marine Power launched what it called the “most powerful tidal turbine in the world.” Orbital O2 is a floating tidal stream turbine that will initially generate electricity from the waters on the Orkney coast of Scotland. The 74 m vessel was designed to harness tidal energy to provide electricity onland.

According to the company, tidal turbines generate more thrust power than wind as water is 835 times denser than air. O2’s twin 1 MW power nacelles reach deep into the water at the end of retractable leg structures. The 10 m composite blades give the vessel more than 600m2 of swept area to capture tidal energy and generate the power to run 2000 households. The floating structure is kept in place through mooring system and electricity is transferred via a cable along the seabed the shore.

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