Quantifying circular economy pathways of decommissioned onshore wind turbines: The case of Denmark and Germany

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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Quantifying circular economy pathways of decommissioned onshore wind turbines: The case of Denmark and Germany. / Kramer, Kathrin Julia; Abrahamsen, Asger Bech; Beauson, Justine et al.
in: Sustainable Production and Consumption, Jahrgang 49, 01.09.2024, S. 179-192.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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Kramer KJ, Abrahamsen AB, Beauson J, Hansen UE, Clausen NE, Velenturf APM et al. Quantifying circular economy pathways of decommissioned onshore wind turbines: The case of Denmark and Germany. Sustainable Production and Consumption. 2024 Sep 1;49:179-192. doi: 10.1016/j.spc.2024.06.022

Bibtex

@article{4f360f5b71e54256917cb94e7e4baa84,
title = "Quantifying circular economy pathways of decommissioned onshore wind turbines: The case of Denmark and Germany",
abstract = "Onshore wind turbines in Europe are increasingly reaching the end of their first lifecycle. Their pathways after decommissioning call for the establishment of circular supply chains (e.g. refurbishment or recycling facilities). Reliable component and material flow forecasts are particularly crucial for the development of blade-recycling capacity, as such facilities still need to be established. However, current forecasts assume a static decommissioning time and neglect a second lifecycle for the wind turbines and their blades, which has resulted in potential recycling quantities being over-estimated. This study overcomes these issues by (i) collecting empirical data on the circular economy pathways taken by decommissioned onshore wind turbines in the mature onshore wind markets of Denmark and Germany, and by (ii) proposing a new component and material flow forecasting model for the more reliable planning of blade-recycling capacity. The results reveal that ∼50–60 % of decommissioned onshore wind turbines in Denmark and Germany were exported mainly to other European countries. If the second lifecycle practices of the past are continued in the future, annual blade masses for domestic recycling are expected to range between ∼380–770 tonnes for Denmark and ∼4400–11,300 tonnes for Germany in the next ten years. This study finds that the threshold values of blade volumes for an economically viable blade-recycling facility can be reached in Germany with its large operating wind-turbine fleet, but the recycling of Danish wind turbine blades would have to rely on aggregating resource flows from other countries or industries. By modelling the cascading order of a sustainable circular economy and the EU Waste Hierarchy Directive, this study improves the decision-making basis for policy makers and companies to achieve sustainable resource use along the wind industry's entire value chain.",
keywords = "Material flow forecast, Secondary market, Supply chain management, Sustainable circular economy, Turbine blade, Wind turbine, Engineering",
author = "Kramer, {Kathrin Julia} and Abrahamsen, {Asger Bech} and Justine Beauson and Hansen, {Ulrich Elmer} and Clausen, {Niels Erik} and Velenturf, {Anne P.M.} and Matthias Schmidt",
note = "Publisher Copyright: {\textcopyright} 2024 The Authors",
year = "2024",
month = sep,
day = "1",
doi = "10.1016/j.spc.2024.06.022",
language = "English",
volume = "49",
pages = "179--192",
journal = "Sustainable Production and Consumption",
issn = "2352-5509",
publisher = "Elsevier B.V.",

}

RIS

TY - JOUR

T1 - Quantifying circular economy pathways of decommissioned onshore wind turbines: The case of Denmark and Germany

AU - Kramer, Kathrin Julia

AU - Abrahamsen, Asger Bech

AU - Beauson, Justine

AU - Hansen, Ulrich Elmer

AU - Clausen, Niels Erik

AU - Velenturf, Anne P.M.

AU - Schmidt, Matthias

N1 - Publisher Copyright: © 2024 The Authors

PY - 2024/9/1

Y1 - 2024/9/1

N2 - Onshore wind turbines in Europe are increasingly reaching the end of their first lifecycle. Their pathways after decommissioning call for the establishment of circular supply chains (e.g. refurbishment or recycling facilities). Reliable component and material flow forecasts are particularly crucial for the development of blade-recycling capacity, as such facilities still need to be established. However, current forecasts assume a static decommissioning time and neglect a second lifecycle for the wind turbines and their blades, which has resulted in potential recycling quantities being over-estimated. This study overcomes these issues by (i) collecting empirical data on the circular economy pathways taken by decommissioned onshore wind turbines in the mature onshore wind markets of Denmark and Germany, and by (ii) proposing a new component and material flow forecasting model for the more reliable planning of blade-recycling capacity. The results reveal that ∼50–60 % of decommissioned onshore wind turbines in Denmark and Germany were exported mainly to other European countries. If the second lifecycle practices of the past are continued in the future, annual blade masses for domestic recycling are expected to range between ∼380–770 tonnes for Denmark and ∼4400–11,300 tonnes for Germany in the next ten years. This study finds that the threshold values of blade volumes for an economically viable blade-recycling facility can be reached in Germany with its large operating wind-turbine fleet, but the recycling of Danish wind turbine blades would have to rely on aggregating resource flows from other countries or industries. By modelling the cascading order of a sustainable circular economy and the EU Waste Hierarchy Directive, this study improves the decision-making basis for policy makers and companies to achieve sustainable resource use along the wind industry's entire value chain.

AB - Onshore wind turbines in Europe are increasingly reaching the end of their first lifecycle. Their pathways after decommissioning call for the establishment of circular supply chains (e.g. refurbishment or recycling facilities). Reliable component and material flow forecasts are particularly crucial for the development of blade-recycling capacity, as such facilities still need to be established. However, current forecasts assume a static decommissioning time and neglect a second lifecycle for the wind turbines and their blades, which has resulted in potential recycling quantities being over-estimated. This study overcomes these issues by (i) collecting empirical data on the circular economy pathways taken by decommissioned onshore wind turbines in the mature onshore wind markets of Denmark and Germany, and by (ii) proposing a new component and material flow forecasting model for the more reliable planning of blade-recycling capacity. The results reveal that ∼50–60 % of decommissioned onshore wind turbines in Denmark and Germany were exported mainly to other European countries. If the second lifecycle practices of the past are continued in the future, annual blade masses for domestic recycling are expected to range between ∼380–770 tonnes for Denmark and ∼4400–11,300 tonnes for Germany in the next ten years. This study finds that the threshold values of blade volumes for an economically viable blade-recycling facility can be reached in Germany with its large operating wind-turbine fleet, but the recycling of Danish wind turbine blades would have to rely on aggregating resource flows from other countries or industries. By modelling the cascading order of a sustainable circular economy and the EU Waste Hierarchy Directive, this study improves the decision-making basis for policy makers and companies to achieve sustainable resource use along the wind industry's entire value chain.

KW - Material flow forecast

KW - Secondary market

KW - Supply chain management

KW - Sustainable circular economy

KW - Turbine blade

KW - Wind turbine

KW - Engineering

UR - http://www.scopus.com/inward/record.url?scp=85196950549&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/913debf1-af0f-3698-a3e4-cff1f04f7c75/

U2 - 10.1016/j.spc.2024.06.022

DO - 10.1016/j.spc.2024.06.022

M3 - Journal articles

AN - SCOPUS:85196950549

VL - 49

SP - 179

EP - 192

JO - Sustainable Production and Consumption

JF - Sustainable Production and Consumption

SN - 2352-5509

ER -

DOI

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