Commercial/Institutional Sector
Ontario1
Table 1: Secondary Energy Use and GHG Emissions by Energy Source
  1990   2012 2013 2014 2015
Total Energy Use (PJ) 255.9   364.5 399.3 429.8 418.7

Energy Use by Energy Source (PJ)
Electricity 83.1   150.1 163.0 169.4 169.6
Natural Gas 148.9   192.7 219.6 240.8 231.2
Light Fuel Oil and Kerosene 15.6   2.6 2.8 6.8 5.5
Heavy Fuel Oil 2.5   0.4 0.6 0.5 0.4
Steam 0.0   0.0 0.3 0.5 0.5
Other2 5.8   18.6 13.1 11.8 11.6

Shares (%)
Electricity 32.5   41.2 40.8 39.4 40.5
Natural Gas 58.2   52.9 55.0 56.0 55.2
Light Fuel Oil and Kerosene 6.1   0.7 0.7 1.6 1.3
Heavy Fuel Oil 1.0   0.1 0.1 0.1 0.1
Steam 0.0   0.0 0.1 0.1 0.1
Other2 2.3   5.1 3.3 2.7 2.8

Activity
Total Floor Space (million m2) 192.3   280.2 283.2 285.1 288.2
Energy Intensity3 (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 Energy Source (Mt of CO2e)
Electricity  
Natural Gas 7.5   9.5 10.7 11.7 11.2
Light Fuel Oil and Kerosene 1.1   0.2 0.2 0.5 0.4
Heavy Fuel Oil 0.2   0.0 0.0 0.0 0.0
Steam 0.0   0.0 0.0 0.0 0.0
Other2 0.3   1.1 0.8 0.7 0.7
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) “Other” includes coal and propane.
3) Excludes street lighting.