Tzu-Ping Lin & Feng-Yi Lin, National Cheng Kung University, Tainan, Taiwan

Yu-Cheng Chen, National Chung Hsing University, Taichung, Taiwan

Presentation Title: Energy use and carbon footprint mapping of buildings in urban areas



Focused on Kaohsiung and Taichung metropolitan areas in Taiwan, this study explored the building energy consumption by building types, land-use, urban land-use code and human behavior. First, various types of building densities were collected from previous studies and put into a database. Thereafter, the Energy Plus model was applied to simulate hourly energy consumption in residential and commercial areas according to their usage and location. This energy use intensity was divided into six time periods and four seasons, and the energy consumption was calculated and presented in a 200 × 200m grid in two urban areas where sensitivity analysis was applied to indicate hot spots of energy use. The results indicate that the energy consumption hotspots appear at noon during summertime in the urban-intensive business district.

 Key Lessons Learned

  • Global climate changes may contribute to the increase of energy use, if the response is to maintain comfortable indoor environments through the air-conditioning. Mapping our understanding of urban energy consumption and hot spots of energy use can display ways to make specific area improvements.
  • This study defined residential and commercial area energy use intensity (EUI), which can be used as future predictive scenarios of urban energy consumption and assist urban planning.