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The Application of Molten Salt Energy Storage to Advance the Transition from Coal to Green Energy Power Systems

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  • Wojciech Kosman

    (Department of Power Engineering and Turbomachinery, Silesian University of Technology, 44-100 Gliwice, Poland)

  • Andrzej Rusin

    (Department of Power Engineering and Turbomachinery, Silesian University of Technology, 44-100 Gliwice, Poland)

Abstract

The paper presents technical solutions for a power grid that undergoes the elimination of a significant number of coal-based power generating units. The purpose of the solutions is to adapt the existing machines with sufficient lifespans to the new operating conditions. In particular these include steam turbines. The steam turbines’ cycles may be extended with energy storage systems based on a molten salt. This allows to increase the flexibility of the power generating units while maintaining the largest possible efficiency of the power generation. The solutions presented here allow to connect the steam turbines cycles to renewable energy sources and reduce the overall number of the units that create the fundamental layer of the power grid. The analysis of the solutions involves numerical modeling. The paper describes the assumptions and the results of the modeling for chosen cases of the modernization. The researched considered a number of options that differed in the investment costs and the resulting performance.

Suggested Citation

  • Wojciech Kosman & Andrzej Rusin, 2020. "The Application of Molten Salt Energy Storage to Advance the Transition from Coal to Green Energy Power Systems," Energies, MDPI, vol. 13(9), pages 1-18, May.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:9:p:2222-:d:353562
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    References listed on IDEAS

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    Cited by:

    1. Hyrzyński, Rafał & Ziółkowski, Paweł & Gotzman, Sylwia & Kraszewski, Bartosz & Ochrymiuk, Tomasz & Badur, Janusz, 2021. "Comprehensive thermodynamic analysis of the CAES system coupled with the underground thermal energy storage taking into account global, central and local level of energy conversion," Renewable Energy, Elsevier, vol. 169(C), pages 379-403.
    2. Łukasz Bartela & Paweł Gładysz & Jakub Ochmann & Staffan Qvist & Lou Martinez Sancho, 2022. "Repowering a Coal Power Unit with Small Modular Reactors and Thermal Energy Storage," Energies, MDPI, vol. 15(16), pages 1-28, August.
    3. Kosman, Wojciech & Rusin, Andrzej & Reichel, Piotr, 2023. "Application of an energy storage system with molten salt to a steam turbine cycle to decrease the minimal acceptable load," Energy, Elsevier, vol. 266(C).
    4. Ali Mohammad Rostami & Hossein Ameli & Mohammad Taghi Ameli & Goran Strbac, 2020. "Secure Operation of Integrated Natural Gas and Electricity Transmission Networks," Energies, MDPI, vol. 13(18), pages 1-17, September.

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