First Steps towards Sustainable-by-Design Anchors for Floating Offshore Wind
Aligi Foglia (Norwegian Geotechnical Institute)
Zefeng Zhou (Norwegian Geotechnical Institute)
Yufei Wang (Norwegian Geotechnical Institute)
Oscar Polanía (Norwegian Geotechnical Institute)
David van den Berg (Subsea7)
Christian Linde Olsen (Subsea7)
Benjamin Cerfontaine (University of Southampton)
David White (University of Southampton)
Susan Gourvenec (University of Southampton)
Miguel Cabrera (TU Delft - Civil Engineering & Geosciences)
Ken Gavin (TU Delft - Civil Engineering & Geosciences)
Athanasios Kolios (Technical University of Denmark (DTU))
Noor Laham (Subsea7)
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Abstract
The Horizon Europe research project TAILWIND aims to advance station-keeping system technologies for floating offshore wind farms. This paper marks the first steps in the project putting forward economic, environmental, and technological key performance indicators to assist the selection and development of anchors. Scenarios in terms of location, soil profile, and floater are defined. Anchor loading histories are obtained through coupled load simulations and used to design typical anchors. Key performance indicators describing three sustainability aspects – economic, environmental, and technological – are proposed to assess the industrial feasibility of each anchor type. The study has two outcomes. Firstly, sustainability key performance indicators that can guide the selection of anchor technologies for future floating offshore wind development are proposed. Secondly, guidance on the most promising anchor for further development via experimental testing and numerical modelling within the TAILWIND project is provided.