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One system, three comforts: Techno-economic GA-based optimization of a solar power-driven to produce green H2/electricity/cooling/ hot water

Author

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  • Yu, Xiaohui
  • Abed, Azher M.
  • Alghassab, Mohammed A.
  • Khan, Mohammad Nadeem
  • Alhomayani, Fahad M.
  • Chen, Zhipeng
  • Tian, Jingjun

Abstract

This study introduces a novel integrated solar energy system planned to maximize energetic efficiency, reduce environmental concerns, and enhance economic viability. By incorporating multiple technologies, including PV/T panels, an ORC, a TEG, an absorption chiller, and a PEM electrolyzer, this system offers a comprehensive solution for sustainable energy generation. Through optimization and analysis, significant performance improvements have been achieved. Exergy efficiency has increased from 19 % to 35 % by mitigating energy losses. Net power generation has also increased from 40 MW to 46 MW, boosting the system's energy output. The system's capability to reduce CO2 emissions by 10 % contributes to lowering climatic changes and allowing sustainable energy practices. Additionally, the LCOE has decreased from 10 cents/kWh to 6.2 cents/kWh, making the system more economically attractive. A case study in Saudi Arabia demonstrates the system's adaptability to diverse climatic conditions. The analysis explores how the system performs across different seasons, considering variations in temperature and solar irradiance. This comprehensive approach, combining multiple functionalities and addressing the challenges of diverse climates, positions this integrated solar energy system as a promising solution for sustainable energy production, particularly in regions with high solar irradiation.

Suggested Citation

  • Yu, Xiaohui & Abed, Azher M. & Alghassab, Mohammed A. & Khan, Mohammad Nadeem & Alhomayani, Fahad M. & Chen, Zhipeng & Tian, Jingjun, 2025. "One system, three comforts: Techno-economic GA-based optimization of a solar power-driven to produce green H2/electricity/cooling/ hot water," Energy, Elsevier, vol. 316(C).
  • Handle: RePEc:eee:energy:v:316:y:2025:i:c:s0360544225002026
    DOI: 10.1016/j.energy.2025.134560
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