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Floating offshore wind farms and their application in Galicia (NW Spain)
Castro-Santos, L.; Diaz-Casas, V. (2015). Floating offshore wind farms and their application in Galicia (NW Spain), in: Finkl, C.W. et al. (Ed.) Environmental management and governance: Advances in coastal and marine resources. Coastal Research Library, 8: pp. 455-465. https://hdl.handle.net/10.1007/978-3-319-06305-8_17
In: Finkl, C.W.; Makowski, C. (Ed.) (2015). Environmental management and governance: Advances in coastal and marine resources. Coastal Research Library, 8. Springer: Cham. ISBN 978-3-319-06305-8. ix, 472 pp. https://hdl.handle.net/10.1007/978-3-319-06305-8, more
In: Coastal Research Library. Springer: Cham. ISSN 2211-0577; e-ISSN 2211-0585, more

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Keyword
    Marine

Authors  Top 
  • Castro-Santos, L.
  • Diaz-Casas, V.

Abstract
    The main objective of this chapter is to explain a methodology for the calculation of the life-cycle costs of developing a floating offshore wind farm. In this context, two steps will be considered: defining the life-cycle phases of a floating offshore wind farm (conception and definition, design and development, manufacturing, installation, exploitation, and dismantling) and estimating costs for each phase, whose value will be established as constant or dependent on the particular point of the geography. The result of the tool will be a geo-referenced map of the total cost implied in the development of a floating offshore wind farm. The methodology will be applied to a particular location, Galicia (NW of Spain), where offshore depth and wind resource satisfy the necessary conditions for this type of offshore energy installation. The study will be developed for a semisubmersible floating offshore wind platform and a general offshore wind turbine of 5 MW. The farm will be composed of 21 offshore wind turbines, with a total power of 107 MW. Results show the cost maps of each defined phase and the total cost, which is from 366 to 946 M€ depending on the location (deep, distance from shore, among others), of the life-cycle of a floating offshore wind farm.

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