Volume 30: Urban Energy Systems towards Carbon Neutrality

Optimal Transition Pathway of Power Systems for Guangdong-Hongkong-Macau Region in China Yebo Zhao, Liang Tang, Bo Chen, Zuming Liu



Power system decarbonization is no longer debatable for achieving carbon neutrality in China. Guangdong-Hongkong-Macau (GHM) region faces significant challenges towards carbon neutrality due to its fossil-dominated energy structure. Here, we develop a new assessment model for determining optimal transition pathways for GHM power system under various decarbonization scenarios. We found that total system costs for CDR70, CDR85, and CDR100 scenarios are 619, 628, 653 billion USD. Moreover, offshore-wind, nuclear, and electricity import are of great importance for GHM low-carbon transition. Our proposed method is applicable to both regional and national energy system decarbonization.

Keywords Guangdong-Hongkong-Macau region, power system, low-carbon transition, least-cost optimization

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