26 Sep '11, 1pm

Offshore Wind Targets Cheaper O&M

As well as more journeys, the waves too are likely to be higher in the upcoming offshore wind zones, with the need to work farther from the coast and in deeper waters. Some of the U.K.'s Round 3 wind farms are up to 65 km offshore, and most are in more than 30 metres of water. At the moment, most transfers are to monopile in wave heights of no more than 1.5 metres. In the future, a host of different foundation types such as gravity or floating, and larger waves, will mean that new systems of safe transfer will be necessary. Indeed, if transfers are to be restricted to wave heights of 1.5 metres, this will limit offshore work to just 200 days a year. However, increasing the safe working wave height to three metres and above could increase the number of days available for tranfers to 310 days per year, helping to reduce the cost of wind by increasing the overall availability...

Full article: http://www.renewableenergyworld.com/rea/news/article/2011...

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Offshore Wind Targets Cheaper O&M

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