Assessment of nuclear energy embodied in international trade following a world multi-regional input–output approach

D. Cortés-Borda, G. Guillén-Gosálbez and L. Jiménez

Energy, 2015, vol. 91, issue C, 91-101

Abstract: Nuclear power can contribute to cover the increasing demand of energy while keeping the carbon emissions within the desired limits. Many countries are reluctant to implement nuclear technologies in their territories, but might still use them through imports of products that embody nuclear energy in their life cycle. This work quantifies the difference between the production-based (territorial) and consumption-based (global) nuclear energy use in the main 40 economies of the world (85% of the world's GDP) through the application of a multi-regional environmentally extended input–output model. The mismatch between the direct (territorial) and total (global) use of nuclear energy varies from −237% to 44% in the top economies. From a consumption-based viewpoint, 10 out of the 40 countries reduced the per-capita use of nuclear energy in the period 1995–2009, and 7 when following a production-based approach. The per-capita nuclear energy use could differ in up to 26.2GJ/inhabitant·year, depending on whether the assessment is consumption or production based. It was also found that around 3.5% of the world's nuclear energy production is trade-embodied and that this amount is growing along with the global production of nuclear energy. Our findings might help to develop more effective environmental regulations worldwide.

Keywords: Nuclear energy; Input–output analysis; Trade-embodied energy; Multi-regional economy; Consumption-based accounting (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:91:y:2015:i:c:p:91-101

DOI: 10.1016/j.energy.2015.07.117

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