Residential Sector
Ontario1
Table 10: Water Heating Secondary Energy Use and GHG Emissions by Energy Source
  1990   2011 2012 2013 2014 2015
Total Water Heating Energy Use (PJ) 82.1   161.5 154.4 161.1 168.0 167.7

Energy Use by Energy Source (PJ)
Electricity 21.7   9.4 10.0 9.8 9.4 9.6
Natural Gas 57.5   147.0 138.7 147.2 155.2 154.7
Heating Oil 1.9   2.7 2.2 2.0 1.5 1.3
Other2 0.8   2.4 3.3 2.1 1.8 2.0
Wood 0.2   0.1 0.1 0.1 0.1 0.1

Shares (%)
Electricity 26.4   5.8 6.5 6.1 5.6 5.7
Natural Gas 70.0   91.0 89.8 91.3 92.4 92.2
Heating Oil 2.3   1.6 1.5 1.2 0.9 0.8
Other2 1.0   1.5 2.1 1.3 1.1 1.2
Wood 0.3   0.1 0.1 0.1 0.0 0.1

Activity
Total Households (thousands) 3,632.5   5,023.8 5,097.0 5,159.0 5,196.0 5,249.6
Energy Intensity (GJ/household) 22.6   32.1 30.3 31.2 32.3 31.9
Total Water Heating GHG Emissions Excluding Electricity (Mt of CO2e) 3.1   7.6 7.2 7.5 7.8 7.7

GHG Emissions by Energy Source (Mt of CO2e)
Electricity  
Natural Gas 2.9   7.2 6.8 7.2 7.6 7.5
Heating Oil 0.1   0.2 0.2 0.1 0.1 0.1
Other2 0.0   0.1 0.2 0.1 0.1 0.1
Wood 0.0   0.0 0.0 0.0 0.0 0.0
GHG Intensity (tonne/TJ) 37.5   46.9 46.4 46.3 46.3 45.9
Heat Loss (PJ) 2.5   5.8 5.0 6.1 7.0 6.4

Footnotes:

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