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A Dynamic Approach to Building Energy Evaluation under Climate Change.

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Title: A Dynamic Approach to Building Energy Evaluation under Climate Change.
Authors: AHN, SOOHYUN1, KANG, HYOMIN1, MOON, WOOSOK1 woosok.moon@gmail.com
Source: Journal of Applied Meteorology & Climatology. Apr2026, Vol. 65 Issue 4, p1-16. 16p.
Subjects: Dynamic simulation, Global warming, Heating load, Energy consumption, Climate change
Geographic Terms: South Korea
Abstract: Climate change has become a critical driver of energy policy and building performance assessment worldwide. In response to rising greenhouse gas emissions and increasing energy demand, the European Union introduced the Energy Performance Certificate (EPC) system in 2002 to standardize and promote energy efficiency in buildings. However, conventional EPC assessments are still based on static weather inputs such as Typical Meteorological Year (TMY) data, which overlook the growing influence of climate variability and long-term warming trends. This study proposes a dynamic simulation framework that incorporates both global warming and interannual climate fluctuations into building energy evaluations. Using 45 years of ERA5 reanalysis data (1979–2023) and EnergyPlus simulations of a standardized residential building in Korea, we quantify how external climate dynamics affect heating and cooling demand. Results reveal that short-term variability often exceeds the energy impacts of four decades of warming, with spatial differences influenced by topography and ENSO phase. These findings highlight the limitations of current EPC methodologies and underscore the need to integrate both gradual and dynamic climate influences into future EPC frameworks to ensure more resilient energy planning. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Applied Meteorology & Climatology is the property of American Meteorological Society and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: A Dynamic Approach to Building Energy Evaluation under Climate Change.
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  Data: <searchLink fieldCode="AR" term="%22AHN%2C+SOOHYUN%22">AHN, SOOHYUN</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22KANG%2C+HYOMIN%22">KANG, HYOMIN</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22MOON%2C+WOOSOK%22">MOON, WOOSOK</searchLink><relatesTo>1</relatesTo><i> woosok.moon@gmail.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Applied+Meteorology+%26+Climatology%22">Journal of Applied Meteorology & Climatology</searchLink>. Apr2026, Vol. 65 Issue 4, p1-16. 16p.
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  Data: <searchLink fieldCode="DE" term="%22Dynamic+simulation%22">Dynamic simulation</searchLink><br /><searchLink fieldCode="DE" term="%22Global+warming%22">Global warming</searchLink><br /><searchLink fieldCode="DE" term="%22Heating+load%22">Heating load</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+consumption%22">Energy consumption</searchLink><br /><searchLink fieldCode="DE" term="%22Climate+change%22">Climate change</searchLink>
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  Label: Geographic Terms
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  Data: <searchLink fieldCode="DE" term="%22South+Korea%22">South Korea</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Climate change has become a critical driver of energy policy and building performance assessment worldwide. In response to rising greenhouse gas emissions and increasing energy demand, the European Union introduced the Energy Performance Certificate (EPC) system in 2002 to standardize and promote energy efficiency in buildings. However, conventional EPC assessments are still based on static weather inputs such as Typical Meteorological Year (TMY) data, which overlook the growing influence of climate variability and long-term warming trends. This study proposes a dynamic simulation framework that incorporates both global warming and interannual climate fluctuations into building energy evaluations. Using 45 years of ERA5 reanalysis data (1979–2023) and EnergyPlus simulations of a standardized residential building in Korea, we quantify how external climate dynamics affect heating and cooling demand. Results reveal that short-term variability often exceeds the energy impacts of four decades of warming, with spatial differences influenced by topography and ENSO phase. These findings highlight the limitations of current EPC methodologies and underscore the need to integrate both gradual and dynamic climate influences into future EPC frameworks to ensure more resilient energy planning. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Applied Meteorology & Climatology is the property of American Meteorological Society and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1175/JAMC-D-25-0184.1
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 16
        StartPage: 1
    Subjects:
      – SubjectFull: Dynamic simulation
        Type: general
      – SubjectFull: Global warming
        Type: general
      – SubjectFull: Heating load
        Type: general
      – SubjectFull: Energy consumption
        Type: general
      – SubjectFull: Climate change
        Type: general
      – SubjectFull: South Korea
        Type: general
    Titles:
      – TitleFull: A Dynamic Approach to Building Energy Evaluation under Climate Change.
        Type: main
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            NameFull: AHN, SOOHYUN
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            NameFull: KANG, HYOMIN
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            NameFull: MOON, WOOSOK
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          Dates:
            – D: 01
              M: 04
              Text: Apr2026
              Type: published
              Y: 2026
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              Value: 65
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              Value: 4
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            – TitleFull: Journal of Applied Meteorology & Climatology
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