New Research

Energy Consumption and Cost in Office Building (March 2015)
Consumption slightly decreased, price rise slightly slowed, and cost remained flat

Xymax Real Estate Institute has been studying the energy consumption and energy cost in office buildings in Japan and releasing the results on regular basis. The report covering January 2010 to December 2014 was released in March this year. This release is an update covering up to March 2015.

Monthly data (April 2009 – March 2015) is available at the end of this report.

Findings as of March 2015 (Figure 1)

  • ・Energy Consumption
    18% lower compared to 2010, slightly decreased from the low level started in 2011.
  • ・Energy Price per Unit
    47% higher compared to 2010, the uptrend started in mid-2010 has slightly slowed.
  • ・Energy Cost
    20% higher compared to 2010, remaining flat after the rise influenced by the changes in energy consumption and price per unit.
Figure 1: Energy Consumption, Price per Unit and Cost by 12-month Average
  • ・The figures for each month are not based on the actual amount of a particular single month but are the average for the past 12 months.
  • ・Indexed based on December 2010 = 100
  • ・Energy consumption is converted to mega joule (MJ) (amount of primary energy)
  • ・Consumption and cost are estimated based on per sqm and indexed.
  • ・Relation among the three indexes: Cost = Price per Unit × Consumption
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