Thesis

Cost analysis of offshore wind turbine support structures : monopile and jacket

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Awarding institution
  • University of Strathclyde
Date of award
  • 2011
Thesis identifier
  • T13153
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Department, School or Faculty
Abstract
  • Wind turbine support structures account for around a quarter of the total capital expenditure of an offshore wind farm. If a reduction of the total investment is sought in order to promote offshore wind in the future, it is vital to understand how the different driving factors affect the design and final costs of support structures. Based on the last 10 year experience in the market, the influence of several parameters is analysed and conclusions are made for the next stage of the research. In this second stage, monopile and jacket support structures are studied in detail. For this purpose, a calculation tool was programmed in Mathcad and Matlab respectively, which enables to design the optimum structure in different conditions. These conditions are based on the turbine power, water depth, soil type and significant wave height. Furthermore, manufacturing and installation costs for each design are also calculated, from which total specific cost curves can be obtained for a simple comparison of all the parameters and a better understanding of their impact in the final cost. Therefore, principal characteristics and limitations of both the monopile and the jacket can be concluded and the most suitable technology for any location easily selected.
Resource Type
DOI
Date Created
  • 2011
Former identifier
  • 947309

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