Regional Representation of Wind Stakeholders' End-of-Life Behaviors and Their Impact on Wind Blade Circularity

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Abstract

The growing number of end-of-life (EOL) wind blades could further strain US landfills or be a valuable composite materials source, depending on stakeholders’ behaviors. Technical solutions based on circular economy (CE) principles have been proposed but are not guaranteed to solve the issue of EOL management. Transitioning to CE implies changing how business models, supply chains, and behaviors deal with products and waste. A spatially resolved agent-based modeling combined with a machine-learning metamodel shows that including behavioral factors is crucial to designing effective policies. Logistical barriers and transportation costs significantly affect the results: lowering blade shredding costs by a third before transportation makes EOL blades a source of valuable materials, decreasing the 2050 cumulative landfill rate below 50%. In another scenario, parameter settings simulating policy interventions aiming at boosting early adoption incites new social norms favorable to recycling, lowering the cumulative landfill rate below 10%.

Original languageAmerican English
Article numberArticle No. 104734
Number of pages20
JournaliScience
Volume25
Issue number8
DOIs
StatePublished - 19 Aug 2022

Bibliographical note

Publisher Copyright:
© 2022 The Author(s)

NREL Publication Number

  • NREL/JA-6A20-80570

Keywords

  • agent-based modeling
  • circular economy
  • sociotechnical systems
  • theory of planned behavior
  • transportation model
  • wind blades

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