A multi-attribute review toward effective planning of end-of-life strategies for offshore wind farms

Ali Jadali, Anastasia Ioannou, Athanasios Kolios

Research output: Contribution to journalReview articlepeer-review

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Abstract

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.
Original languageEnglish
Pages (from-to)584-602
Number of pages19
JournalEnergy Sources, Part B: Economics, Planning and Policy
Volume16
Issue number6
Early online date28 Jun 2021
DOIs
Publication statusPublished - 30 Jun 2021

Keywords

  • offshore wind turbine
  • repowering
  • decommissioning
  • SWOT analysis

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