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  • Open Access

    ARTICLE

    Low-Carbon Operation Optimization of Integrated Energy System Considering Multi-Equipment Coordination and Multi-Market Interaction

    Cheng Peng1,*, Hao Qi2

    Energy Engineering, Vol.122, No.11, pp. 4579-4602, 2025, DOI:10.32604/ee.2025.067704 - 27 October 2025

    Abstract Integrated energy systems (IES) are widely regarded as a key enabler of carbon neutrality, enabling the coordinated use of electricity, heat, and gas to support large-scale renewable integration. Yet their practical deployment still faces major challenges, including rigid thermoelectric coupling, insufficient operational flexibility, and fragmented carbon and certificate market mechanisms. To address these issues, this study proposes a low-carbon economic dispatch model for integrated energy systems (IES) that reduces emissions and costs while improving renewable energy utilization. A coordinated framework integrating carbon capture, utilization, and storage, two-stage power-to-gas, combined heat and power, and ground-source heat… More > Graphic Abstract

    Low-Carbon Operation Optimization of Integrated Energy System Considering Multi-Equipment Coordination and Multi-Market Interaction

  • Open Access

    ARTICLE

    Optimal Scheduling for Flexible Regional Integrated Energy System with Soft Open Point

    Wen Xu1, Dongdong Ren2, Biyi Yi1, Haoqing Zhen1, Youbing Zhang2,*, Xuesong Zhang3

    CMES-Computer Modeling in Engineering & Sciences, Vol.131, No.2, pp. 1101-1123, 2022, DOI:10.32604/cmes.2022.019564 - 14 March 2022

    Abstract The Regional Integrated Energy System (RIES) has brought new modes of development, utilization, conversion, storage of energy. The introduction of Soft Open Point (SOP) and the application of Power to Gas (P2G) technology will greatly deepen the coupling of the electricity-gas integrated energy system, improve the flexibility and safety of the operation of the power system, and bring a deal of benefits to the power system. On this background, an optimal dispatch model of RIES combined cold, heat, gas and electricity with SOP is proposed. Firstly, RIES architecture with SOP and P2G is designed and… More >

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