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Open Access

Texas Electric Power Crisis of 2021 Warns of a New Blackout Mechanism

Guanglun Zhang, Haiwang Zhong( ), Zhenfei Tan, Tong Cheng, Qing Xia, Chongqing Kang
State Key Laboratory of Power Systems, the Department of Electrical Engineering, Tsinghua University, Beijing 100084, China
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Abstract

The Texas electric power crisis that occurred in February 2021 has drawn great attention internationally due to its severity and for not having been foreseen. In this rapid communication, we classify the 2021 Texas electric power crisis as an energy insufficiency-caused power crisis, which alerts of a new blackout mechanism. Different from capacity insufficiency-caused power crises in the past, the Texas electric power crisis of 2021 directly resulted from the long-duration extreme cold weather as well as fundamentally from the insufficiency of sustainable supply capability of energy. We begin this paper with a brief retrospect of the event and its consequences. Definitions of energy/capacity insufficiency-caused power crises are given, as well as an overview of the supply and demand during the event, based on realistic operation data. Quantitative simulations are then conducted to reveal the underlying reasons for the power crisis and reveal how to better prepare for the future. Finally, several insights and suggestions on handling the new mode of blackout in the future are proposed and discussed.

Keywords

Blackoutcapacity insufficiencyenergy insufficiencypower crisisTexas electric power crisis 2021

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CSEE Journal of Power and Energy Systems
Volume 8 Issue 1,
January 2022
Pages 1-9
DOI: 10.17775/CSEEJPES.2021.07720
Cite this article:
Zhang G, Zhong H, Tan Z, et al. Texas Electric Power Crisis of 2021 Warns of a New Blackout Mechanism. CSEE Journal of Power and Energy Systems, 2022, 8(1): 1-9. https://doi.org/10.17775/CSEEJPES.2021.07720

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Received: 17 October 2021
Revised: 02 December 2021
Accepted: 28 December 2021
Published: 14 January 2022
© 2021 CSEE
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