Commercial/Institutional Sector
Ontario1
Table 24: Space Heating Secondary Energy Use and GHG Emissions by Energy Source
  1990   2011 2012 2013 2014 2015
Total Space Heating Energy Use (PJ) 157.7   211.4 183.9 222.3 248.5 236.2

Energy Use by Energy Source (PJ)
Electricity 6.7   19.5 8.3 25.5 27.7 26.0
Natural Gas 130.8   179.3 161.6 183.9 206.3 197.1
Light Fuel Oil and Kerosene 13.9   1.9 1.5 1.6 4.2 3.3
Heavy Fuel Oil 2.3   0.5 0.3 0.3 0.3 0.3
Steam 0.0   0.0 0.0 0.3 0.5 0.5
Other2 3.9   10.3 12.2 10.6 9.4 9.0

Shares (%)
Electricity 4.3   9.2 4.5 11.5 11.1 11.0
Natural Gas 83.0   84.8 87.9 82.7 83.0 83.4
Light Fuel Oil and Kerosene 8.8   0.9 0.8 0.7 1.7 1.4
Heavy Fuel Oil 1.4   0.2 0.2 0.2 0.1 0.1
Steam 0.0   0.0 0.0 0.1 0.2 0.2
Other2 2.5   4.9 6.6 4.8 3.8 3.8

Activity
Total Floor Space (million m2) 192.27   275.91 280.21 283.21 285.11 288.17
Energy Intensity (GJ/m2) 0.82   0.77 0.66 0.78 0.87 0.82
Total Space Heating GHG Emissions Excluding Electricity (Mt of CO2e) 8.0   9.6 8.8 9.8 10.9 10.3

GHG Emissions by Energy Source (Mt of CO2e)
Electricity  
Natural Gas 6.6   8.8 7.9 9.0 10.0 9.5
Light Fuel Oil and Kerosene 1.0   0.1 0.1 0.1 0.3 0.2
Heavy Fuel Oil 0.2   0.0 0.0 0.0 0.0 0.0
Steam 0.0   0.0 0.0 0.0 0.0 0.0
Other2 0.2   0.6 0.7 0.6 0.6 0.6
GHG Intensity (tonne/TJ) 50.6   45.5 47.8 44.0 44.0 43.8
Heating Degree-Day Index 0.89   0.87 0.79 0.92 1.00 0.92

Footnotes:

1) Data on GHG emissions are presented excluding GHG emissions related to electricity production.
2) “Other” includes coal and propane.