Journal
ENERGY SOURCES PART B-ECONOMICS PLANNING AND POLICY
Volume 16, Issue 6, Pages 584-602Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15567249.2021.1941434
Keywords
Offshore Wind Turbine; Life Extension; Repowering; Decommissioning; SWOT analysis
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This study aims to develop a framework for end-of-life strategies of offshore wind turbines, considering multiple criteria in decision-making, and translating strategies like service life extension, repowering, and decommissioning into applicable processes for offshore wind farms. A SWOT analysis is conducted to compare the proposed processes, and factors contributing to process uncertainty as well as lessons from the oil & gas industry are discussed.
With many offshore wind turbines (OWTs) approaching the end of their estimated service life, there is an increasing demand for developing and evaluating end-of-life strategies that can maximize these assets' value while at the same time satisfying the requirements of the stakeholders involved. This study aims to perform a detailed review and develop a framework that will consider multiple criteria in the decision-making process, presenting and discussing available technologies and strategies, as well as influencing factors such as schedule, cost and environmental impact. Service life extension, repowering and decommissioning are included in this review as the main end-of-life strategies considered by asset owners, and these are translated into four processes that are applicable to offshore wind farms through a generic decision tree. A SWOT analysis is also conducted which aims to compare the different characteristics of the proposed processes. The factors contributing to the uncertainty of the processes as well as lessons learnt from the oil & gas industry are also discussed.
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