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Impacts of demand response from buildings and centralized thermal energy storage on district heating systems

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Titel: Impacts of demand response from buildings and centralized thermal energy storage on district heating systems
Autoren: Romanchenko, Dmytro, 1988, Nyholm, Emil, 1984, Odenberger, Mikael, 1977, Johnsson, Filip, 1960
Quelle: Sustainable Cities and Society. 64
Schlagwörter: Thermal energy storage, District heating, Modeling, Space heating demand, Optimization, Demand response
Beschreibung: © 2020 The Author(s) Energy use for space heating is a substantial part of total energy end use and heating systems can offer some flexibility in time of use, which should be important in future energy systems to maintain balance between supply and demand. This work applies a techno-economic, integrated, demand-supply optimization model to investigate the combined effect of using demand-side flexibility from buildings, by allowing for indoor temperature deviations (both up- and downward from the set-point), and supply-side flexibility, by applying thermal energy storage (TES), on the operation of district heating (DH) systems. The results indicate that the potential for increased indoor temperature, i.e., demand response (DR), is concentrated to multi-family and non-residential buildings (heavy buildings with high time-constants), while the potential for downregulation of the temperature, i.e., operational energy savings, is utilized to a greater extent by single-family buildings (light buildings). It is also evident that the value of DR diminishes in the presence of a supply-side TES. We show that applying both the demand-side flexibility and a centralized TES is complementary from the heating system perspective in that it results in the lowest total space heating load of the buildings and the lowest running cost for the DH system.
Dateibeschreibung: electronic
Zugangs-URL: https://research.chalmers.se/publication/520069
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  Data: Impacts of demand response from buildings and centralized thermal energy storage on district heating systems
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  Data: <searchLink fieldCode="AR" term="%22Romanchenko%2C+Dmytro%22">Romanchenko, Dmytro</searchLink>, 1988<br /><searchLink fieldCode="AR" term="%22Nyholm%2C+Emil%22">Nyholm, Emil</searchLink>, 1984<br /><searchLink fieldCode="AR" term="%22Odenberger%2C+Mikael%22">Odenberger, Mikael</searchLink>, 1977<br /><searchLink fieldCode="AR" term="%22Johnsson%2C+Filip%22">Johnsson, Filip</searchLink>, 1960
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  Data: <i>Sustainable Cities and Society</i>. 64
– Name: Subject
  Label: Subject Terms
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  Data: <searchLink fieldCode="DE" term="%22Thermal+energy+storage%22">Thermal energy storage</searchLink><br /><searchLink fieldCode="DE" term="%22District+heating%22">District heating</searchLink><br /><searchLink fieldCode="DE" term="%22Modeling%22">Modeling</searchLink><br /><searchLink fieldCode="DE" term="%22Space+heating+demand%22">Space heating demand</searchLink><br /><searchLink fieldCode="DE" term="%22Optimization%22">Optimization</searchLink><br /><searchLink fieldCode="DE" term="%22Demand+response%22">Demand response</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: © 2020 The Author(s) Energy use for space heating is a substantial part of total energy end use and heating systems can offer some flexibility in time of use, which should be important in future energy systems to maintain balance between supply and demand. This work applies a techno-economic, integrated, demand-supply optimization model to investigate the combined effect of using demand-side flexibility from buildings, by allowing for indoor temperature deviations (both up- and downward from the set-point), and supply-side flexibility, by applying thermal energy storage (TES), on the operation of district heating (DH) systems. The results indicate that the potential for increased indoor temperature, i.e., demand response (DR), is concentrated to multi-family and non-residential buildings (heavy buildings with high time-constants), while the potential for downregulation of the temperature, i.e., operational energy savings, is utilized to a greater extent by single-family buildings (light buildings). It is also evident that the value of DR diminishes in the presence of a supply-side TES. We show that applying both the demand-side flexibility and a centralized TES is complementary from the heating system perspective in that it results in the lowest total space heating load of the buildings and the lowest running cost for the DH system.
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        Value: 10.1016/j.scs.2020.102510
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      – Text: English
    Subjects:
      – SubjectFull: Thermal energy storage
        Type: general
      – SubjectFull: District heating
        Type: general
      – SubjectFull: Modeling
        Type: general
      – SubjectFull: Space heating demand
        Type: general
      – SubjectFull: Optimization
        Type: general
      – SubjectFull: Demand response
        Type: general
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      – TitleFull: Impacts of demand response from buildings and centralized thermal energy storage on district heating systems
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            NameFull: Nyholm, Emil
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