<p>In China, the wind power sector stands as a highly promising component of the renewable energy landscape. Social impact assessment constitutes a critical element in advancing the sustainability agenda of wind energy development. This study seeks to systematically examine the societal implications of an exemplary wind energy project in China by applying a social life cycle assessment framework. The results demonstrated that the manufacturing process had the highest cumulative social impact of wind power systems, which was 7.89 medium risk equivalent hours, accounting for 50% of the total risk. Of these, the production of nacelles and towers, which required a large amount of raw materials, was the main contributing component to social impact, with a share of 35% and 32%, respectively. Concrete, reinforcing steel, copper, low-alloy steel, silicon, magnetic steel, and resins for which the significance of the sensitivity analysis was greater than 50% were considered key materials. These materials posed a high social impact in terms of extraction and preparation. Consequently, strategic recommendations include industrial structure optimization, standardized recovery and treatment protocols, and fostering green transitions in associated sectors. These are proposed to enhance the sustainability performance of wind power generation.</p>

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Social life cycle assessment of wind power systems in China: a case study

  • Tingting Jiang,
  • Xi Zhang,
  • Qiang Jin

摘要

In China, the wind power sector stands as a highly promising component of the renewable energy landscape. Social impact assessment constitutes a critical element in advancing the sustainability agenda of wind energy development. This study seeks to systematically examine the societal implications of an exemplary wind energy project in China by applying a social life cycle assessment framework. The results demonstrated that the manufacturing process had the highest cumulative social impact of wind power systems, which was 7.89 medium risk equivalent hours, accounting for 50% of the total risk. Of these, the production of nacelles and towers, which required a large amount of raw materials, was the main contributing component to social impact, with a share of 35% and 32%, respectively. Concrete, reinforcing steel, copper, low-alloy steel, silicon, magnetic steel, and resins for which the significance of the sensitivity analysis was greater than 50% were considered key materials. These materials posed a high social impact in terms of extraction and preparation. Consequently, strategic recommendations include industrial structure optimization, standardized recovery and treatment protocols, and fostering green transitions in associated sectors. These are proposed to enhance the sustainability performance of wind power generation.