Impact of energy consumption patterns on peak emissions in China's carbon neutralisation process

IF 7.9 2区 工程技术 Q1 ENERGY & FUELS
Xinyu Cai , Hua Xiang , Haotian Zheng
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Abstract

The investigation of the impact of energy consumption patterns on peak emissions in China is pertinent and crucial for achieving global climate goals. The study aims to form a forecast of carbon emissions in China and diagnose the achievement of established decarbonization goals based on structural changes in primary energy consumption until 2030. To achieve the goal, the study formed a Dynamic stochastic general equilibrium (DSGE) model with the implementation of Markov chains. The obtained research results yield important insights into the influence of various scenarios on carbon emissions in China by the year 2030. Specifically, considering structural transformations, an increase in emissions by 15 % can be anticipated, which is 7 % less than predicted by the classical scenario. Among the proposed scenarios, the Net Zero scenario is deemed the most efficient, where emissions could reach a level of 8509.5 million tons of CO₂. Conversely, the New Momentum scenario proves to be the most precarious, as it entails an escalation in coal usage, leading to a 4 % increase in emissions, amounting to 13264.84 million tons of CO₂. The contribution of this study is the approach to conducting carbon emission projections, which is based on the DSGE model with the implementation of Markov chains. This makes it possible to assess the adequacy of the set targets for carbon reduction based on alternative scenarios, which in crisis conditions can overlap and thus complement each other.

中国碳中和进程中能源消费模式对峰值排放的影响
研究中国能源消费模式对峰值排放的影响,对于实现全球气候目标至关重要。本研究旨在基于一次能源消费结构的变化,对中国 2030 年前的碳排放进行预测,并诊断既定脱碳目标的实现情况。为实现这一目标,研究利用马尔科夫链建立了动态随机一般均衡(DSGE)模型。研究结果对 2030 年前各种情景对中国碳排放的影响产生了重要启示。具体而言,考虑到结构转型,预计排放量将增加 15%,比经典情景预测的排放量减少 7%。在提出的各种方案中,"净零 "方案被认为是最有效的方案,其二氧化碳排放量可达到 8.5095 亿吨。相反,"新动力 "方案被证明是最不稳定的方案,因为该方案会导致煤炭使用量增加,从而使排放量增加 4%,达到 1.3264 亿吨二氧化碳。本研究的贡献在于采用了基于 DSGE 模型和马尔科夫链的碳排放预测方法。这样就有可能根据替代方案评估碳减排既定目标的适当性,在危机条件下,这些方案可以相互重叠,从而相互补充。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Energy Strategy Reviews
Energy Strategy Reviews Energy-Energy (miscellaneous)
CiteScore
12.80
自引率
4.90%
发文量
167
审稿时长
40 weeks
期刊介绍: Energy Strategy Reviews is a gold open access journal that provides authoritative content on strategic decision-making and vision-sharing related to society''s energy needs. Energy Strategy Reviews publishes: • Analyses • Methodologies • Case Studies • Reviews And by invitation: • Report Reviews • Viewpoints
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