期刊
RESOURCES CONSERVATION AND RECYCLING
卷 153, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.resconrec.2019.104558
关键词
China; Southern grid; Power Market reforms; Dispatch modeling; CO2 emissions
资金
- William and Flora Hewlett Foundation
- MJS Foundation through the U.S. Department of Energy [DE-ACO2-05CH11231]
China, whose power system accounts for about 13% of global energy-related CO2 emissions, has begun implementing market-based power-sector reforms. This paper simulates power system dispatch in China's Southern Grid region and examines the economic and environmental impacts of market-based operations. We find that market-based operation can increase efficiency and reduce costs in all Southern Grid provinces-reducing wholesale electricity costs by up to 35% for the entire region relative to the 2016 baseline. About 60% of the potential cost reduction can be realized by creating independent provincial markets within the region, and the rest by creating a regional market without transmission expansion. The wholesale market revenue is adequate to recover generator fixed costs; however, financial restructuring of current payment mechanisms may be necessary. Electricity markets could also reduce the Southern Grid's CO2 emissions by up to 10% owing to more efficient thermal dispatch and avoided hydro/renewable curtailment. The benefits of regional electricity markets with expanded transmission likely will increase as China's renewable generation increases.
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