Residential Sector
Ontario1
Table 10: Water Heating Secondary Energy Use and GHG Emissions by Energy Source
  2000   2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
Total Water Heating Energy Use (PJ) 93.6   97.6 97.1 100.5 100.2 102.6 101.5 103.6 101.3 94.7 95.6 102.1 97.8

Energy Use by Energy Source (PJ)
Electricity 15.1   15.2 14.1 14.3 14.7 13.2 12.9 12.3 12.4 12.6 12.6 12.0 12.3
Natural Gas 74.4   77.9 78.6 82.1 81.3 84.7 83.5 86.3 84.6 77.4 78.2 86.0 81.5
Heating Oil 3.0   3.3 3.4 3.1 3.1 3.5 3.6 3.4 2.8 3.1 3.2 2.4 2.1
Other2 0.3   0.3 0.3 0.3 0.3 0.4 0.6 0.6 0.6 0.6 0.7 0.8 1.1
Wood 0.8   0.8 0.7 0.7 0.7 0.8 0.9 1.0 0.9 1.0 0.9 0.9 0.8

Shares (%)
Electricity 16.2   15.6 14.6 14.3 14.7 12.9 12.7 11.9 12.2 13.3 13.2 11.7 12.6
Natural Gas 79.5   79.9 80.9 81.6 81.2 82.5 82.2 83.3 83.5 81.8 81.9 84.2 83.3
Heating Oil 3.2   3.3 3.5 3.1 3.0 3.4 3.6 3.2 2.8 3.3 3.4 2.4 2.2
Other2 0.3   0.3 0.3 0.3 0.3 0.4 0.6 0.6 0.6 0.6 0.7 0.8 1.1
Wood 0.8   0.8 0.7 0.7 0.7 0.7 0.9 0.9 0.9 1.0 0.9 0.9 0.8

Activity
Total Households (thousands) 4,290.9   4,374.8 4,450.2 4,519.0 4,591.0 4,673.5 4,736.8 4,802.3 4,878.3 4,950.7 4,962.1 5,023.8 5,097.0
Energy Intensity (GJ/household) 21.8   22.3 21.8 22.2 21.8 22.0 21.4 21.6 20.8 19.1 19.3 20.3 19.2
Total Water Heating GHG Emissions Excluding Electricity (Mt of CO2e) 3.9   4.1 4.2 4.3 4.3 4.4 4.4 4.5 4.4 4.1 4.1 4.4 4.2

GHG Emissions by Energy Source (Mt of CO2e)
Electricity –   – – – – – – – – – – – –
Natural Gas 3.7   3.9 3.9 4.0 4.0 4.2 4.1 4.2 4.1 3.8 3.8 4.2 4.0
Heating Oil 0.2   0.2 0.2 0.2 0.2 0.2 0.3 0.2 0.2 0.2 0.2 0.2 0.2
Other2 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1
Wood 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
GHG Intensity (tonne/TJ) 42.2   42.4 42.9 42.8 42.5 43.3 43.2 43.6 43.4 42.8 43.0 43.5 43.3
Heat Loss (PJ) 3.3   3.1 3.3 3.7 3.6 3.7 3.3 3.8 3.8 3.6 3.4 3.8 3.4

Footnotes:

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