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건물과 지역요인을 고려한 서울시 건물에너지 소비 실증분석

An Empirical Analysis of Building Energy Consumption Considering Building and Local Factors in Seoul

  • Lee, Sujin (Graduate School of Environmental Studies, Seoul National University) ;
  • Kim, Kijung (Department of Urban Planning and Design, University of Seoul) ;
  • Lee, Seungil (Department of Urban Planning and Design, University of Seoul)
  • 투고 : 2019.01.21
  • 심사 : 2019.09.11
  • 발행 : 2019.10.31

초록

This study aims to empirically examine the relationship between building energy consumption and building and local factors in Seoul. Building energy issue is an important topic for low carbon and eco-friendly city development. Building physical, socio-economic and environmental factors effect to increasing or decreasing energy consumption. However, there are different characteristic in each area, and this kind of variable has a hierarchical structure. The multi-level model was used to consider the hierarchical structure of the variables. In this study, a multi-level model was applied to confirm the difference between areas. Spatial area is Seoul, Korea and the temporal scope is August, summer season. As the result, in Model 1 (Null Model), ICC is 0.817. This shows that the energy consumption differs by 8.174% due to factors at the Dong level. Model 2 (Random Intercept Model) suggests that building's physical factors and Average age, Household size and Land price in Dong level have significant effects on Building energy consumption. In Model 3 (Random Coefficient Model), random effect variables have intercepts and slopes to vary across groups. This study provides a perspective for policy makers that the building energy reduction policies to be applied for buildings should be differently applied on area. Furthermore, not only physical factors but also socio-economic and environmental factors are important when making energy reduction policy.

키워드

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