Impacts of renewable energy resources on the weather vulnerability of power systems

Jin Zhao, Fangxing Li () and Qiwei Zhang
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Jin Zhao: The University of Tennessee
Fangxing Li: The University of Tennessee
Qiwei Zhang: The University of Tennessee

Nature Energy, 2024, vol. 9, issue 11, 1407-1414

Abstract: Abstract The high penetration of weather-dependent renewable energy sources (WD-RESs) such as wind and solar has raised concerns about the security of electric power systems during abnormal weather conditions. The role of RESs has been discussed in worldwide blackout events, yet remains controversial. In this study, we find that although WD-RESs are non-dispatchable and weather sensitive, blackout intensities and extreme weather vulnerability are mitigated in high-penetration WD-RES grids. The causal effects of WD-RESs on blackouts generally decrease in high-penetration WD-RES power systems, and WD-RESs are not mainly responsible for the occurrence of blackouts in extreme weather conditions. The results of our research contribute to the debate on RES integration and power system security, offer a guide for the study of power system resilience and provide a reference for the ambitious high-penetration RES goals of the future.

Date: 2024
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DOI: 10.1038/s41560-024-01652-1

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