Wind Turbines at sea

[tpreece01]

How are wind turbines installed at sea?

[ChuckFickens]

By using a big boat that can jack it's self up on legs

http://www.thewindturbines.com/Photographs/off shore-wind-turbine-installation01.jpg

[tpreece01]

But what happens under the water? How do they stop the pipe from filling with water and the whole thing from short circuiting? How deep are the foundations too?

[Huderon]

Perhaps http://www.bwea.com/offshore/how.html will give you some idea.

Basically you drive piles into the sea bottom and mount the windmills on them. You then lay cable to connect the turbines to a sore based centre where the power is fed into the National Grid.