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Virtual water and CO2 emission footprints embodied in power trade: EU-27

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  • Wang, Like
  • Fan, Yee Van
  • Jiang, Peng
  • Varbanov, Petar Sabev
  • Klemeš, Jiří Jaromír

Abstract

The European Union (EU) has the world's most extensive regional power trade, making it essential for the EU environmental energy policies. Understanding the nexus amongst water, power and CO2 emissions is essential for sustainable water and energy resource management. Although a number of related studies on the nexus have been conducted, integrating virtual water and CO2 emission footprints for the power sector requires further attention. The current study analyses the virtual water and CO2 emissions embodied in the power supply, demand and regional trade. A network model is developed to track the virtual water and CO2 emissions of the inter-regional power trade for the case of EU-27 countries in 2017. The total virtual CO2 emissions and the embodied virtual water in the EU inter-regional power trade are estimated as 7.0 × 104 t CO2 and 5.6 × 108 m3, with a hydropower contribution of 37.8%. The largest virtual water and CO2 emissions exporters are identified by France (8.8 × 107 m3) and Germany (2 × 104 t), whilst the largest virtual CO2 importer is Austria (1 × 104 t). The identified synergy of climate mitigation and water scarcity provides a benchmark for policymakers to develop strategies for sustainable power development considering the virtual footprint in trade flow simultaneously.

Suggested Citation

  • Wang, Like & Fan, Yee Van & Jiang, Peng & Varbanov, Petar Sabev & Klemeš, Jiří Jaromír, 2021. "Virtual water and CO2 emission footprints embodied in power trade: EU-27," Energy Policy, Elsevier, vol. 155(C).
    • Handle: RePEc:eee:enepol:v:155:y:2021:i:c:s0301421521002184
    DOI: 10.1016/j.enpol.2021.112348
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