LOW-CARBON ECONOMY OPTIMIZATION AND SCHEDULING OF INTEGRATED ENERGY SYSTEM BASED ON STEPPED CARBON-GREEN CERTIFICATE JOINT TRADING MECHANISM

Wang Haixin; Chen Pengfei; Yang Zihao; Cai Xiangyu; Chen Zhe; Yang Junyou

doi:10.19912/j.0254-0096.tynxb.2025-0687

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (9) : 516-529. DOI: 10.19912/j.0254-0096.tynxb.2025-0687

LOW-CARBON ECONOMY OPTIMIZATION AND SCHEDULING OF INTEGRATED ENERGY SYSTEM BASED ON STEPPED CARBON-GREEN CERTIFICATE JOINT TRADING MECHANISM

Wang Haixin¹, Chen Pengfei¹, Yang Zihao¹, Cai Xiangyu¹, Chen Zhe², Yang Junyou¹

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Abstract

In the context of “dual carbon goals”, in order to promote the economic operation of integrated energy systems （IES）, reduce carbon emissions of IES, and address the imbalance in energy distribution across different seasons, this paper proposes an IES low-carbon economic optimization method that considers seasonal factors and joint trading of stepped carbon and green certificates. Firstly, equipment models for electricity, heat, gas, and hydrogen-related units are built, and dynamic balance models based on the power characteristics of various entities are constructed. Secondly, based on the existing stepped carbon trading mechanism and green certificate mechanism, a stepped carbon-green certificate joint trading mechanism is proposed. Thirdly, a low-carbon economic optimization model with the least system operation cost and carbon emissions is established, and the optimal weight of the objective function is determined. Finally, based on different examples for several scenarios, the effect of the stepped carbon-green certificate joint trading mechanism on IES in different seasons and its impact on the system’s thermoelectric ratio from the perspectives of cost and carbon emissions are analyzed, and the effectiveness of the method is verified.

Key words

integrated energy system / seasonality / stepped carbon-green certificate joint trading mechanism / hydrogen energy / low-carbon economy / multi-energy complementarity

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Wang Haixin, Chen Pengfei, Yang Zihao, Cai Xiangyu, Chen Zhe, Yang Junyou. LOW-CARBON ECONOMY OPTIMIZATION AND SCHEDULING OF INTEGRATED ENERGY SYSTEM BASED ON STEPPED CARBON-GREEN CERTIFICATE JOINT TRADING MECHANISM[J]. Acta Energiae Solaris Sinica. 2026, 47(9): 516-529 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0687

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