Residential Sector
Ontario1
Table 7: Space Heating Secondary Energy Use and GHG Emissions by Vintage
  1990   2012 2013 2014 2015
Total Space Heating Energy Use (PJ) 356.2   322.5 366.1 387.6 366.1

Energy Use by Vintage (PJ)
Before 1946 123.6   79.6 88.7 92.8 86.5
1946–1960 48.8   32.6 36.4 38.1 35.6
1961–1977 93.5   62.7 70.3 73.9 69.3
1978–1983 45.3   32.0 35.9 37.7 35.4
1984–1995 45.1   61.6 69.2 72.8 68.4
1996–2000 0.0   13.7 15.4 16.2 15.2
2001–2005 0.0   20.1 22.6 23.9 22.4
2006–2010 0.0   15.0 16.9 17.9 16.8
2011–2015 0.0   5.2 10.7 14.3 16.5

Shares (%)
Before 1946 34.7   24.7 24.2 23.9 23.6
1946–1960 13.7   10.1 9.9 9.8 9.7
1961–1977 26.2   19.5 19.2 19.1 18.9
1978–1983 12.7   9.9 9.8 9.7 9.7
1984–1995 12.7   19.1 18.9 18.8 18.7
1996–2000 0.0   4.2 4.2 4.2 4.2
2001–2005 0.0   6.2 6.2 6.2 6.1
2006–2010 0.0   4.7 4.6 4.6 4.6
2011–2015 0.0   1.6 2.9 3.7 4.5

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
Total Space Heating GHG Emissions Excluding Electricity (Mt of CO2e) 14.9   11.0 12.6 13.6 12.7

GHG Emissions by Vintage (Mt of CO2e)
Before 1946 5.2   2.7 3.1 3.3 3.0
1946–1960 2.0   1.1 1.3 1.3 1.2
1961–1977 3.9   2.1 2.4 2.6 2.4
1978–1983 1.9   1.1 1.2 1.3 1.2
1984–1995 1.9   2.1 2.4 2.6 2.4
1996–2000 0.0   0.5 0.5 0.6 0.5
2001–2005 0.0   0.7 0.8 0.8 0.8
2006–2010 0.0   0.5 0.6 0.6 0.6
2011–2015 0.0   0.2 0.4 0.5 0.6
GHG Intensity (tonne/TJ) 41.9   34.1 34.3 35.1 34.6
Heating Degree-Day Index 0.89   0.79 0.92 1.00 0.92

Footnotes:

1) Data on GHG emissions are presented excluding GHG emissions related to electricity production only.