Residential Sector
Alberta1
Table 7: Space Heating Secondary Energy Use and GHG Emissions by Vintage
  2000   2017 2018
Total Space Heating Energy Use (PJ) 131.8   140.3 150.9

Energy Use by Vintage (PJ)
Before 1946 15.4   10.3 10.8
1946–1960 14.0   10.4 11.1
1961–1977 39.4   30.1 31.9
1978–1983 28.8   21.8 23.1
1984–1995 24.0   20.5 21.8
1996–2000 10.1   9.9 10.6
2001–2005 0.0   12.5 13.3
2006–2010 0.0   10.8 11.5
2011–2015 0.0   9.4 10.0
2016–2018 0.0   4.5 6.7

Shares (%)
Before 1946 11.7   7.3 7.2
1946–1960 10.6   7.4 7.3
1961–1977 29.9   21.4 21.2
1978–1983 21.9   15.5 15.3
1984–1995 18.2   14.6 14.5
1996–2000 7.7   7.1 7.0
2001–2005 0.0   8.9 8.8
2006–2010 0.0   7.7 7.6
2011–2015 0.0   6.7 6.6
2016–2018 0.0   3.2 4.5

Activity
Total Floor Space (million m2) 141.0   234.5 239.4
Energy Intensity (GJ/m2) 0.93   0.60 0.63
Total Space Heating GHG Emissions Excluding Electricity (Mt of CO2e) 6.4   6.4 6.9

GHG Emissions by Vintage (Mt of CO2e)
Before 1946 0.7   0.5 0.5
1946–1960 0.7   0.5 0.5
1961–1977 1.9   1.4 1.5
1978–1983 1.4   1.0 1.1
1984–1995 1.2   0.9 1.0
1996–2000 0.5   0.5 0.5
2001–2005 0.0   0.6 0.6
2006–2010 0.0   0.5 0.5
2011–2015 0.0   0.4 0.5
2016–2018 0.0   0.2 0.3
GHG Intensity (tonne/TJ) 48.5   45.8 45.8
Heating Degree-Day Index 0.98   0.89 1.00

Footnotes:

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