Residential Sector
Ontario
Table 8: Space Heating Secondary Energy Use by System Type
  1990   2012 2013 2014 2015
Total Space Heating Energy Use (PJ) 356.2   322.5 366.1 387.6 366.1

Energy Use by System Type (PJ)
Heating Oil – Normal Efficiency 43.4   0.0 0.0 0.0 0.0
Heating Oil – Medium Efficiency 1.2   11.0 11.9 10.5 9.3
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 178.5   14.9 6.9 4.9 2.3
Natural Gas – Medium Efficiency 7.0   80.9 95.2 102.7 87.6
Natural Gas – High Efficiency 12.8   68.7 96.5 121.5 122.2
Electric 36.7   74.8 84.9 87.9 82.6
Heat Pump 3.7   5.9 6.9 7.2 6.9
Other1 5.6   9.7 7.0 6.4 6.1
Wood 8.9   4.1 4.0 3.2 3.5

Dual Systems
Wood/Electric 42.8   36.7 35.6 27.6 30.1
Wood/Heating Oil 14.0   12.1 12.7 10.8 10.9
Natural Gas/Electric 1.1   2.7 3.4 3.9 3.6
Heating Oil/Electric 0.7   1.0 1.1 1.1 1.0

Shares (%)
Heating Oil – Normal Efficiency 12.2   0.0 0.0 0.0 0.0
Heating Oil – Medium Efficiency 0.3   3.4 3.2 2.7 2.5
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 50.1   4.6 1.9 1.3 0.6
Natural Gas – Medium Efficiency 2.0   25.1 26.0 26.5 23.9
Natural Gas – High Efficiency 3.6   21.3 26.4 31.4 33.4
Electric 10.3   23.2 23.2 22.7 22.6
Heat Pump 1.0   1.8 1.9 1.9 1.9
Other1 1.6   3.0 1.9 1.7 1.7
Wood 2.5   1.3 1.1 0.8 0.9

Dual Systems
Wood/Electric 12.0   11.4 9.7 7.1 8.2
Wood/Heating Oil 3.9   3.8 3.5 2.8 3.0
Natural Gas/Electric 0.3   0.8 0.9 1.0 1.0
Heating Oil/Electric 0.2   0.3 0.3 0.3 0.3

Activity
Total Floor Space (million m2) 480.9   746.1 765.2 774.6 785.7
Energy Intensity (GJ/m2) 0.74   0.43 0.48 0.50 0.47
Heat Gains (PJ) 31.8   23.9 27.6 29.7 28.1
Heating Degree-Day Index 0.89   0.79 0.92 1.00 0.92

Footnotes:

1) “Other” includes coal and propane.