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Optimization Research on a Novel Community Integrated Energy System Based on Solar Energy Utilization and Energy Storage

Author

Listed:
  • Xunwen Zhao

    (Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian 116024, China)

  • Hailin Mu

    (Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian 116024, China)

  • Nan Li

    (Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian 116024, China)

  • Xue Kong

    (School of New Energy, Ningbo University of Technology, Ningbo 315336, China)

  • Xunpeng Shi

    (Australia-China Relations Institute, University of Technology Sydney, Sydney, NSW 2007, Australia)

Abstract

Integrated energy systems (IESs) are essential for enabling the energy transition in communities and reducing CO 2 emissions. This paper proposes a novel IES that combines photovoltaic (PV) and solar thermal energy with coordinated electrical and thermal energy storage to meet the energy demands of residential communities. The system also incorporates hydrogen production for fuel cell vehicles. A dual-objective optimization model was developed, minimizing both economic costs and CO 2 emissions. The system’s performance was evaluated using data from a case study in Dalian, which showed that the IES successfully reduced the annual total cost and CO 2 emissions compared to conventional systems. The key findings showed that PV electrolysis for hydrogen production provides both economic and environmental advantages. The system’s integration of solar thermal energy offers higher economic efficiency, while PV energy supplies enhance coordination. Additionally, carbon trading prices effectively reduce emissions, but excessively high prices do not always lead to better emission outcomes. This study introduces a comprehensive, multi-energy approach for optimizing the energy supply, contributing novel insights to the field of sustainable energy systems.

Suggested Citation

  • Xunwen Zhao & Hailin Mu & Nan Li & Xue Kong & Xunpeng Shi, 2025. "Optimization Research on a Novel Community Integrated Energy System Based on Solar Energy Utilization and Energy Storage," Energies, MDPI, vol. 18(5), pages 1-19, February.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:5:p:1151-:d:1600251
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    References listed on IDEAS

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    Cited by:

    1. Na He & Guohui Feng & Shasha Chang & Xinxin Liu & Yanru Cheng, 2025. "Application of FAHP in Multi-Objective Optimization of Solar–Electromagnetic Energy Heating System Performance," Energies, MDPI, vol. 18(14), pages 1-24, July.

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