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水力发电学报 ›› 2024, Vol. 43 ›› Issue (4): 23-33.doi: 10.11660/slfdxb.20240403

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碳中和背景下我国电力碳排放水平分析

  

  • 出版日期:2024-04-25 发布日期:2024-04-25

Analysis of electricity carbon emission levels in China in background of carbon neutrality

  • Online:2024-04-25 Published:2024-04-25

摘要: 电力低碳化转型对我国实现碳中和目标具有全局性战略意义。在总结我国近10年电力低碳化发展历程的基础上,以人口、城市化、经济总量与经济结构为边界条件和驱动力,分析预测未来40年电力增长过程和阶段性发展目标;以系统安全、供需平衡为约束,分析了化石电力占比、终端电力消费比重、核电发展规模以及碳捕集、利用及封存(CCUS)等因素对碳排放水平的影响;预计电力碳排放峰值将出现在2035年前后,达到60 ~ 65亿吨,随后逐年降低,到2060年降至10亿吨以内,辅以CCUS技术,可实现电力零排放。最后,针对需求持续增长与低碳转型长期并存的矛盾,提出未来电力发展须以安全供给为前提,优先开发可再生能源电力、多能发展、更大范围多能互补协调开发和互补运行的建议。

关键词: 能源电力, 碳中和, 电力结构, 碳排放水平

Abstract: The low-carbon transformation of electricity has an overall strategic significance for China to achieve the goal of carbon neutrality. This paper presents an analysis and predictions of the power growth process and phased development goals in China in the next 40 years, on the basis of summarizing the developing process of low-carbon electricity in the past 10 years, and taking population, urbanization, economic aggregate, and economic structure as the boundary conditions and driving forces. We examine the influence of a variety of factors on the carbon emission level-such as fossil power proportion, terminal power consumption proportion, nuclear power development scale, and Carbon Capture, Utilization, and Storage (CCUS)-with the constraints of system security and supply-demand balance. We estimate that the total carbon emission from electricity will reach its peak around 2035, 6 - 6.5 billion tons, and then be reduced year by year down to a level below 1 billion tons in 2060. With the help of CCUS technology, zero electricity emissions can be achieved. Finally, in view of the long-term coexistence of demand growth and low-carbon transformation, we suggest that future power development be based on the premise of safe supply, giving priority to the development of renewable energy power, multi-energy development, and a wider range of multi-energy complementary coordinated development and complementary operation.

Key words: energy and power, carbon neutrality, electric power mix, carbon emission level

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