Commercial/Institutional Sector
Ontario1
Table 2: Secondary Energy Use and GHG Emissions by End Use
  1990   2012 2013 2014 2015
Total Energy Use (PJ) 255.9   364.5 399.3 429.8 418.7

Energy Use by End Use (PJ)
Space Heating 157.7   183.9 222.3 248.5 236.2
Water Heating 20.9   34.3 35.3 35.2 34.1
Auxiliary Equipment 16.6   48.8 50.7 52.3 55.7
Auxiliary Motors 19.6   20.2 20.3 22.6 19.9
Lighting 24.4   42.0 42.6 43.1 41.9
Space Cooling 13.9   33.1 26.0 26.0 28.7
Street Lighting 2.8   2.2 2.2 2.2 2.2

Shares (%)
Space Heating 61.6   50.5 55.7 57.8 56.4
Water Heating 8.2   9.4 8.8 8.2 8.1
Auxiliary Equipment 6.5   13.4 12.7 12.2 13.3
Auxiliary Motors 7.6   5.5 5.1 5.2 4.7
Lighting 9.5   11.5 10.7 10.0 10.0
Space Cooling 5.4   9.1 6.5 6.1 6.9
Street Lighting 1.1   0.6 0.5 0.5 0.5

Activity
Total Floor Space (million m2) 192.3   280.2 283.2 285.1 288.2
Energy Intensity2 (GJ/m2) 1.32   1.29 1.40 1.50 1.45
Total GHG Emissions Excluding Electricity (Mt of CO2e) 9.1   10.8 11.8 13.0 12.3

GHG Emissions by End Use (Mt of CO2e)
Space Heating 8.0   8.8 9.8 10.9 10.3
Water Heating 1.1   1.7 1.7 1.7 1.6
Auxiliary Equipment 0.1   0.2 0.2 0.2 0.2
Auxiliary Motors 0.0   0.0 0.0 0.0 0.0
Lighting 0.0   0.0 0.0 0.0 0.0
Space Cooling 0.0   0.1 0.1 0.1 0.1
Street Lighting 0.0   0.0 0.0 0.0 0.0
GHG Intensity (tonne/TJ) 35.7   29.6 29.5 30.1 29.4
Heating Degree-Day Index 0.89   0.79 0.92 1.00 0.92
Cooling Degree-Day Index 1.05   1.85 1.23 1.03 1.36

Footnotes:

1) Data on GHG emissions are presented excluding GHG emissions related to electricity production.
2) Excludes street lighting.