Ever wondered at the strength of structure required to support a 200 metre-high offshore wind turbine when it is rotating at maximum throttle?
Onshore, it takes foundations of at least six metres of concrete to balance the forces on the tower from wind speed across the blades. Offshore, it requires heavy duty welding, and piles deep into the seabed.
But what about a floating wind turbine? It is the next frontier for wind power. If it can be built at commercial scale, you can put a rotor wherever you can anchor it, and that’s a lot more ocean than the 60 metre limit on conventional offshore platforms.
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