Residential Sector
Ontario1
Table 36: Single Attached Secondary Energy Use and GHG Emissions by Energy Source
  1990   2012 2013 2014 2015
Total Single Attached Energy Use (PJ) 62.7   70.1 76.4 80.4 77.8

Energy Use by Energy Source (PJ)
Electricity 21.2   22.4 23.1 23.1 23.3
Natural Gas 30.4   41.9 48.1 52.9 50.1
Heating Oil 6.0   1.8 1.8 1.6 1.5
Other2 0.7   1.7 1.2 1.1 1.1
Wood 4.4   2.3 2.2 1.7 1.9

Shares (%)
Electricity 33.7   32.0 30.2 28.7 29.9
Natural Gas 48.5   59.9 63.0 65.8 64.4
Heating Oil 9.5   2.5 2.4 2.0 1.9
Other2 1.2   2.4 1.6 1.3 1.4
Wood 7.1   3.2 2.9 2.2 2.5

Activity
Total Floor Space (million m2) 59.1   102.0 105.9 107.9 109.7
Total Households (thousands) 461.2   715.9 726.9 734.3 744.1
Energy Intensity (GJ/m2) 1.06   0.69 0.72 0.75 0.71
Energy Intensity (GJ/household) 136.0   97.9 105.2 109.5 104.6
Total Single Attached GHG Emissions Excluding Electricity (Mt of CO2e) 2.1   2.3 2.6 2.8 2.6

GHG Emissions by Energy Source (Mt of CO2e)
Electricity  
Natural Gas 1.5   2.1 2.4 2.6 2.4
Heating Oil 0.4   0.1 0.1 0.1 0.1
Other2 0.0   0.1 0.1 0.1 0.1
Wood 0.1   0.1 0.1 0.0 0.0

Shares (%)
Electricity  
Natural Gas 72.8   88.0 90.2 92.0 91.9
Heating Oil 20.1   5.3 5.0 4.1 3.9
Other2 2.2   4.4 2.8 2.4 2.5
Wood 5.0   2.3 2.0 1.5 1.7
GHG Intensity (tonne/TJ) 33.5   33.4 34.1 34.8 33.9
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 only.
2) “Other” includes coal and propane.