Prospective material flow analysis of the end-of-life decommissioning: Case study of a North Sea offshore wind farm

Demuytere, C.; Vanderveken, I.; Thomassen, G.; Godoy León, M.F.; De Luca Peña, L.V.; Blommaert, C.; Vermeir, J.; Dewulf, J.

doi:/10.1016/j.resconrec.2023.107283

Prospective material flow analysis of the end-of-life decommissioning: Case study of a North Sea offshore wind farm

Demuytere, C.; Vanderveken, I.; Thomassen, G.; Godoy León, M.F.; De Luca Peña, L.V.; Blommaert, C.; Vermeir, J.; Dewulf, J. (2024). Prospective material flow analysis of the end-of-life decommissioning: Case study of a North Sea offshore wind farm. Resour. Conserv. Recycl. 200: 107283. https://dx.doi.org/10.1016/j.resconrec.2023.107283

In: Resources, Conservation and Recycling. Elsevier: Amsterdam. ISSN 0921-3449; e-ISSN 1879-0658, meer

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VLIZ: Non-open access 394366 [ aanvragen ]

Trefwoorden

Waste management
Marien/Kust

Author keywords

Offshore wind energy; Material flow analysis; End-of-life; Recycling indicators; Circular economy

Auteurs		Top
Demuytere, C., meer Vanderveken, I., meer Thomassen, G., meer Godoy León, M.F.	De Luca Peña, L.V., meer Blommaert, C., meer Vermeir, J. Dewulf, J., meer

Abstract

Early offshore wind farms approach their decommissioning phase, yet a lack of precedents, potential legal bottlenecks, inadequate treatments and a lack of applicable circularity indicators, leave the sector unprepared, encompassing a risk of valuable materials loss. This paper presents a first-of-its-kind circularity analysis of the prospective decommissioning scenario of a North Sea wind farm, introducing and applying new circularity indicators. From the site-specific primary data, a bill of materials and material flow analysis was established, differentiating between secondary applications and end-of-life destinations. The main share (80 %) of the installed mass originated from scour protection, acting as hotspot to the 84 % of materials remaining in situ. The collected fraction recycling rate approaches 90 %. However, the substantial discrepancies between components and materials implicate a need for component or material-specific targets to avoid valuable material loss. Introducing such collection or recycling targets could encourage more circular decommissioning practices along the value chain.

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