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I-3. Transition of Energy Consumption in the Commercial/Residential Sector
Transition of Energy Consumption
in the Commercial/Residential Sector
  • Energy consumption in the commercial/residential sector surged after the oil crisis and is still growing.
  • Japan's per-capita energy consumption in the commercial/residential sector is relatively low compared to other major countries, but the difference is narrowing.
(Source) Energy Balance Tables in Japan Source: Compiled by the Agency for Natural Resources and Energy based on Handbook of Energy & Economic Statistics in Japan data

I-3. Transition of Energy Consumption in the Commercial/Residential Sector
Example of Energy Efficiency Improvement
  • Transition of the energy-saving performance of CRT television

    Transition of the performance of 21 inch CRT television
  • Transition of the energy-saving performance of air conditioner

    Transition of the performance of heating-and-cooling type wall-mounted air conditioner with a cooling capacity of 2.8 kW (for a 10 tatami-mat room)
Source: Japan Electronics and Information Technology Industries Association Standard of Japan Refrigeration and Air Conditioning Industry Association
Source: JRA4046
(Standard for the calculation of periodic power consumption of room air conditioners)

I-3. Transition of Energy Consumption in the Commercial/Residential Sector
Transition of Per-Household Energy Consumption
and the Number of Households
  • Energy consumption in the residential sector has made a steady increase due to changes in the social structure (e.g. increase in the number of households), lifestyle changes, and other factors, despite energy efficiency improvements for individual appliances.
Source: Compiled by the Agency for Natural Resources and Energy based on Energy Balance Tables in Japan and Statistics of Population

I-3. Transition of Energy Consumption in the Commercial/Residential Sector
Transition of Floor Space by Type of Business
in the Commercial Sector
  • Energy consumption in the commercial sector increases with an increase in total floor area of offices, business buildings, etc.
    (Floor area and energy consumption increased by 2.2% and 1.6% on an annual average, respectively.)
Source: Handbook of Energy & Economic Statistics in Japan
(Note) The figures in the graph represent each industryfs floor area ratio against the industry total.

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