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Fraunhofer IWES, 2011
Uploaded on Wednesday 09 Oct 2013
Looking further offshore and in deeper waters
The high capital cost of offshore foundations bounds offshore wind energy to near shore locations. Most of the capacity has been installed in relatively shallow waters (under 20 m deep)
no more than 20 km from the coast in order to minimize the extra costs of foundations and sea cables (EWEA, 2009). Most of the recently added capacity is installed in water depths of up 40
metres, as far as 60 kilometres off the coast, as shown in the figure.