Abstract
BackgroundRapidly increasing residential electricity demand has made raising energy efficiency an important policy issue in controlling electricity demand.MethodsThis study uses a stochastic frontier model to estimate the residential electricity demand function and analyse electricity energy efficiency levels and their determinants using regional data on Japan.ResultsThe results confirm the importance of household dwelling types for determining the electricity energy efficiency. Specifically, the findings suggest that household size and floor area are key to electricity savings, but the ageing Japanese society shows a limited relationship with electricity savings. Further, promoting living in areas where the population has aggregated also results in electricity savings.ConclusionsThe findings suggest that forming urbanised cities and realising multi-polarisation-type national spatial developments might improve electricity energy efficiency and stimulate regional economies.
Highlights
Increasing residential electricity demand has made raising energy efficiency an important policy issue in controlling electricity demand
Focusing on electricity demand, which accounts for most residential energy demand, this study examines the relationships between household dwelling types and the efficiency of residential electricity demand
The results of our analysis confirm the importance of household dwelling types for the electricity energy efficiency
Summary
Increasing residential electricity demand has made raising energy efficiency an important policy issue in controlling electricity demand. Methods: This study uses a stochastic frontier model to estimate the residential electricity demand function and analyse electricity energy efficiency levels and their determinants using regional data on Japan. Residential energy consumption in Japan is influenced by changes in social structure, such as the lifestyles of individuals pursuing greater convenience and comfort in their lives, and by the number of households, which has increased significantly alongside the growth in individual consumption. Increasing energy conservation in the residential sector has become a pressing issue, and the Japanese government has implemented a variety of measures to achieve it [1]. Up to around 1965, roughly the start of Japan’s period of high economic growth, coal constituted more than one third of residential energy consumption. Most previous research focused only on efficiency index scores and did not fully analyse their
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