Differences in carbon emissions reduction between countries pursuing renewable electricity versus nuclear power

Benjamin K. Sovacool (), Patrick Schmid, Andy Stirling, Goetz Walter and Gordon MacKerron
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Benjamin K. Sovacool: University of Sussex
Patrick Schmid: ISM International School of Management
Andy Stirling: University of Sussex
Goetz Walter: ISM International School of Management
Gordon MacKerron: University of Sussex

Nature Energy, 2020, vol. 5, issue 11, 928-935

Abstract: Abstract Two of the most widely emphasized contenders for carbon emissions reduction in the electricity sector are nuclear power and renewable energy. While scenarios regularly question the potential impacts of adoption of various technology mixes in the future, it is less clear which technology has been associated with greater historical emission reductions. Here, we use multiple regression analyses on global datasets of national carbon emissions and renewable and nuclear electricity production across 123 countries over 25 years to examine systematically patterns in how countries variously using nuclear power and renewables contrastingly show higher or lower carbon emissions. We find that larger-scale national nuclear attachments do not tend to associate with significantly lower carbon emissions while renewables do. We also find a negative association between the scales of national nuclear and renewables attachments. This suggests nuclear and renewables attachments tend to crowd each other out.

Date: 2020
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DOI: 10.1038/s41560-020-00696-3

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