* Connection to the utility grid is also much more complex and expensive
* Operation and maintanances is also a complex task with off shore wind turbines
Source:[http://www.offshorewindenergy.org/ca-owee/indexpages/Offshore_technology.php?file=offtech_p2.php Offshore Technology]
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| align = "center"|[[Image:Onshore.jpeg|center|thumb|Fig 5(a) [http://www.eco-trees.org/europes-biggest-onshore-wind-farm-goes-online/ Onshore Wind turbines]]]