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Control and Techno-Economic Analysis of Cross-Seasonal Thermal Energy Storage: A Multi-Scenario Assessment.

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Title: Control and Techno-Economic Analysis of Cross-Seasonal Thermal Energy Storage: A Multi-Scenario Assessment.
Authors: Chen, Fangyu1 (AUTHOR), Dong, Bo1,2 (AUTHOR), Gunnarsson, Eleanor1,3 (AUTHOR), Wang, Huaning1 (AUTHOR), Miao, Yumeng1,2 (AUTHOR), Wang, Qian1,3 (AUTHOR) qianwang@sjtu.edu.cn
Source: Energies (19961073). Jun2026, Vol. 19 Issue 11, p2602. 21p.
Subject Terms: *Heat storage, *Intelligent control systems, *Solar energy, *Heating from central stations
Geographic Terms: Beijing (China), China
Abstract: Under the global energy transition and the decarbonisation of building heating, cross-seasonal thermal energy storage has emerged as a crucial technology to address the seasonal mismatch between renewable energy supply and demand. This study proposes and evaluates a modular composite thermal storage system that integrates thermochemical and phase change storage modulars. An intelligent control strategy is adopted to achieve functional decoupling and coordinated operation. Taking a residential district in Beijing, China, as a case study, three system scenarios are constructed: a full thermal storage system, a hybrid storage system supplemented with off-peak electricity, and a fully electric system. The results show that the hybrid system maintains the same annual solar energy utilisation as the full storage system while reducing the levelised cost of heat by 33%. The modular strategy reduces the scale of the storage system and enhances operational flexibility. Among the three scenarios, the hybrid system achieves the best balance in terms of storage efficiency, grid interaction, and cost-effectiveness. This study provides strategic insights and design references for the engineering application of cross-seasonal thermal storage systems, contributing positively to the decarbonisation of district heating. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 194587990
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
  Group: Ti
  Data: Control and Techno-Economic Analysis of Cross-Seasonal Thermal Energy Storage: A Multi-Scenario Assessment.
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  Data: <searchLink fieldCode="AR" term="%22Chen%2C+Fangyu%22">Chen, Fangyu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dong%2C+Bo%22">Dong, Bo</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gunnarsson%2C+Eleanor%22">Gunnarsson, Eleanor</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Huaning%22">Wang, Huaning</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Miao%2C+Yumeng%22">Miao, Yumeng</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Qian%22">Wang, Qian</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<i> qianwang@sjtu.edu.cn</i>
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  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. Jun2026, Vol. 19 Issue 11, p2602. 21p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Heat+storage%22">Heat storage</searchLink><br />*<searchLink fieldCode="DE" term="%22Intelligent+control+systems%22">Intelligent control systems</searchLink><br />*<searchLink fieldCode="DE" term="%22Solar+energy%22">Solar energy</searchLink><br />*<searchLink fieldCode="DE" term="%22Heating+from+central+stations%22">Heating from central stations</searchLink>
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  Label: Geographic Terms
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Beijing+%28China%29%22">Beijing (China)</searchLink><br /><searchLink fieldCode="DE" term="%22China%22">China</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Under the global energy transition and the decarbonisation of building heating, cross-seasonal thermal energy storage has emerged as a crucial technology to address the seasonal mismatch between renewable energy supply and demand. This study proposes and evaluates a modular composite thermal storage system that integrates thermochemical and phase change storage modulars. An intelligent control strategy is adopted to achieve functional decoupling and coordinated operation. Taking a residential district in Beijing, China, as a case study, three system scenarios are constructed: a full thermal storage system, a hybrid storage system supplemented with off-peak electricity, and a fully electric system. The results show that the hybrid system maintains the same annual solar energy utilisation as the full storage system while reducing the levelised cost of heat by 33%. The modular strategy reduces the scale of the storage system and enhances operational flexibility. Among the three scenarios, the hybrid system achieves the best balance in terms of storage efficiency, grid interaction, and cost-effectiveness. This study provides strategic insights and design references for the engineering application of cross-seasonal thermal storage systems, contributing positively to the decarbonisation of district heating. [ABSTRACT FROM AUTHOR]
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      – Type: doi
        Value: 10.3390/en19112602
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 21
        StartPage: 2602
    Subjects:
      – SubjectFull: Heat storage
        Type: general
      – SubjectFull: Intelligent control systems
        Type: general
      – SubjectFull: Solar energy
        Type: general
      – SubjectFull: Heating from central stations
        Type: general
      – SubjectFull: Beijing (China)
        Type: general
      – SubjectFull: China
        Type: general
    Titles:
      – TitleFull: Control and Techno-Economic Analysis of Cross-Seasonal Thermal Energy Storage: A Multi-Scenario Assessment.
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            NameFull: Chen, Fangyu
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            NameFull: Dong, Bo
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            NameFull: Gunnarsson, Eleanor
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            NameFull: Wang, Huaning
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            NameFull: Miao, Yumeng
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            NameFull: Wang, Qian
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            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
          Identifiers:
            – Type: issn-print
              Value: 19961073
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              Value: 19
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              Value: 11
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            – TitleFull: Energies (19961073)
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