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You see clearly the years when the big farms had to deal with serial defects  - very early on at Horns Rev (where all the gearboxes had to be replaced within the first year or two), and after a few years at Nysted (where the gearbox problems were less publicized but did require large scale action with the same performance impact as on Horns Rev). Anf both are now performing at high levels (and have given their respective manufacturers, Vestas and Siemens, massive experience which they are now using profitably on their new turbine models)

Wind power
by Jerome a Paris (etg@eurotrib.com) on Wed Dec 26th, 2012 at 10:51:38 AM EST
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Notice also the strong inter-annual variation, which is normal and independent of machine performance.

Offshore wind technology is moving completely away from the standard technology represented by these statistics.

"Life shrinks or expands in proportion to one's courage." - Ana´s Nin

by Crazy Horse on Wed Dec 26th, 2012 at 12:44:16 PM EST
[ Parent ]
And Vindby and Tunø Knob are onshore projects which happen to be in water at the coast, though they were called pioneering offshore. Of course they have the best capacity factors possible onshore, but don't reach current offshore standards. They are meters offshore, if my memory hasn't rusted.

"Life shrinks or expands in proportion to one's courage." - Ana´s Nin
by Crazy Horse on Wed Dec 26th, 2012 at 12:49:36 PM EST
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