Study on Residential Lifestyle and Energy Use of Japanese Apartment/Multidwelling Unit–An Investigation on Higashida Smart Community of Kitakyushu

This paper focused on studying the interrelationships between household's energy use and their lifestyle in electric-only multi dwellings of Higashida, Kitakyushu, Japan. Questionnaires survey concerning the house, family, and equipment characteristics of the residents were distributed in 2012. In the same period, the annual electricity use data base was collected from smart meters. In this paper, the result can be described as follows: 1) People consumed the most electricity of a year in the winter season, almost two times larger than summer season. 2) Four groups of household were classified by hierarchical cluster analysis based on the family attributes and lifestyles pattern, then the comparison analysis on electricity use were compared and discussed. 3) Based on multi regression analysis results, we found that the ownership number of air conditioning, clothes dryer, refrigerator, IH, floor area, family size, and education background of the householder are related with annual electricity use.