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신재생에너지 보급 시나리오를 통한 건물부문 온실가스 감축 잠재량 분석
정영선(Jeong Young-Sun),조수현(Cho Suhyun),문선혜(Moon Sun-Hye) 한국태양에너지학회 2021 한국태양에너지학회 논문집 Vol.41 No.6
This study aims to propose a renewable energy scenario for the building sector to reduce greenhouse gas (GHG) emissions and to estimate the potential reduction of emissions in the building sector by 2050, based on this scenario. The types of buildings used for analysis are detached houses, apartments, commercial buildings, and educational buildings. The activity data for the building sector’s projection model are building use type, gross floor area of building use, building energy intensity, and GHG emission factor. The prediction of GHG emissions from this scenario is that they will increase steadily from 2020, peak in 2039, and start declining from 2050. The result shows that the potential reduction in emissions will be about 43.1 million tons of CO2e against business as usual, in 2050.
2050 탄소중립 달성을 위한 건물부문 온실가스 감축 시나리오 연구
정영선(Jeong, Young-Sun),조수현(Cho, Suhyun),문선혜(Mun, Sun-Hye),지창윤(Ji, Changyoon) 대한건축학회 2021 대한건축학회논문집 Vol.37 No.10
This study analyzes the possibility of achieving the goal of carbon neutrality in building sector by 2050. This study used data on building energy intensity by building type and gross floor area of buildings. For this data, we get the data from the National Building Energy Database and national statistical database from 2015 to 2019. The types of buildings for analysis are detached houses, apartments, commercial buildings and educational buildings. These energy consumptions of building sector were converted into greenhouse gas (GHG) emissions. To this end, the prediction of GHG emissions in building sector has increased steadily from 156.9 million ton CO<SUB>2e</SUB> in 2020 to 217.8 million ton CO<SUB>2e</SUB> in 2050. The suggested reduction scenarios in this study were 5 scenarios as mandatory scenario for zero energy building for new buildings, green-remodeling scenario for existing buildings, dissemination scenario for high-efficiency energy facilities, scenario for behavior improvement and scenario for low carbon energy source. The result of this study shows that the potential reduction emissions is about 107.7 million ton CO<SUB>2e</SUB> by these scenarios in 2050. This result told us that the possibility of 2050 carbon neutrality in Korea’s building sector is low based on these scenarios. This study suggested the necessity for very challenging reduction plans and is expected to help establish the reduction policies for building sector.