A net-zero emissions strategy for China’s power sector using carbon-capture utilization and storage

Jing-Li Fan, Zezheng Li, Xi Huang, Kai Li, Xian Zhang (), Xi Lu, Jianzhong Wu, Klaus Hubacek and Bo Shen
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Jing-Li Fan: China University of Mining & Technology
Zezheng Li: China University of Mining & Technology
Xi Huang: China University of Mining & Technology
Kai Li: China University of Mining & Technology
Xian Zhang: Ministry of Science and Technology
Xi Lu: Tsinghua University
Jianzhong Wu: Cardiff University
Klaus Hubacek: University of Groningen
Bo Shen: Lawrence Berkeley National Laboratory

Nature Communications, 2023, vol. 14, issue 1, 1-16

Abstract: Abstract Decarbonized power systems are critical to mitigate climate change, yet methods to achieve a reliable and resilient near-zero power system are still under exploration. This study develops an hourly power system simulation model considering high-resolution geological constraints for carbon-capture-utilization-and-storage to explore the optimal solution for a reliable and resilient near-zero power system. This is applied to 31 provinces in China by simulating 10,450 scenarios combining different electricity storage durations and interprovincial transmission capacities, with various shares of abated fossil power with carbon-capture-utilization-and-storage. Here, we show that allowing up to 20% abated fossil fuel power generation in the power system could reduce the national total power shortage rate by up to 9.0 percentages in 2050 compared with a zero fossil fuel system. A lowest-cost scenario with 16% abated fossil fuel power generation in the system even causes 2.5% lower investment costs in the network (or $16.8 billion), and also increases system resilience by reducing power shortage during extreme climatic events.

Date: 2023
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DOI: 10.1038/s41467-023-41548-4

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