Comprehensive Cost Analysis of Multiple Entities under the Coupling Mechanism of Electricity and Carbon

doi:10.11930/j.issn.1004-9649.202404029

Abstract

Abstract:

Under the dual carbon vision, the electricity-carbon coupling trading is a development trend in the future. Constructing a generation cost calculation model considering the electricity-carbon coupling of different market entities is beneficial for the decision-making of power generation entities and for the reliable operation of the market under the supervision of power trading institutions. By analyzing the cost structure of multiple power market entities under the electricity-carbon coupling with the life cycle method, a comprehensive cost accounting method for the traditional energy units represented by thermal power and the new energy units represented by photovoltaic under the electricity-carbon coupling mechanism is proposed. Based on the southern power grid of Hebei Province, the comprehensive cost of the market entities is calculated and sensitivity analysis is carried out, and the impacts of the electricity-carbon coupling mechanism on the comprehensive costs of different power units are quantified. The rusults show that the comprehensive cost of the thermal power units is highly sensitive to changes in carbon emission factors, while the comprehensive cost of photovoltaic units is mainly affected by operating costs and power generation utilization hours. This study can provide a references for further improving the electricity price mechanism and market-oriented system, accelerating unit transformation, and promoting energy structure transformation.

Key words: electricity market, carbon market, comprehensive cost, new power system, life cycle method

WANG Yanyang, LI Jianzhao, LIU Jingqing, TANG Cheng, WANG Jiantao, LU Jinling, REN Hui. Comprehensive Cost Analysis of Multiple Entities under the Coupling Mechanism of Electricity and Carbon[J]. Electric Power, 2025, 58(6): 180-189.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202404029

https://www.electricpower.com.cn/EN/Y2025/V58/I6/180

Figures/Tables 15

References 39

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成本计算模型	使用场景	适用对象	特点
全生命周期LCOE^[5]	电能量市场	各种发电方式	—
系统平准化度电成本SLCOE^[13]	电能量市场	可再生能源发电	考虑可再生能源的平衡成本
综合平准化度电成本CLCOE^[6]	电碳耦合市场	可再生能源发电	考虑绿色发电补贴

成本计算模型	使用场景	适用对象	特点
全生命周期LCOE^[5]	电能量市场	各种发电方式	—
系统平准化度电成本SLCOE^[13]	电能量市场	可再生能源发电	考虑可再生能源的平衡成本
综合平准化度电成本CLCOE^[6]	电碳耦合市场	可再生能源发电	考虑绿色发电补贴

高斯分布参数	${x_1}$	${x_2}$	$ {x_3} $
加权系数值$ {\beta _k} $	0.6940	0.2085	0.0976
期望$\mu $	0.3249	–2.7769	4.4461
均方差$\sigma $	1.3831	4.4976	1.5982

高斯分布参数	${x_1}$	${x_2}$	$ {x_3} $
加权系数值$ {\beta _k} $	0.6940	0.2085	0.0976
期望$\mu $	0.3249	–2.7769	4.4461
均方差$\sigma $	1.3831	4.4976	1.5982

项目	火电	光伏
初始比投资/(元·kW^–1)	4526.1	5703.3
寿命/年	30	25
年折旧费用/(元·kW^–1)	143.3	228.13
年运行费用/(元·kW^–1)	57.0	48
改造费用/(元·kW^–1)	0	0
燃料价格/(元·t^–1)	734	0
残值率/%	5	0
附加费用/(元·kW^–1)	0	40.8
发电利用小时数/h	4379	1182
碳排放因子/(t·(MW·h)^–1)	0.96	0