Residential Sector
Alberta1
Table 5: Space Heating Secondary Energy Use and GHG Emissions by Energy Source
  1990   2012 2013 2014 2015
Total Space Heating Energy Use (PJ) 106.5   137.6 150.3 162.9 148.1

Energy Use by Energy Source (PJ)
Electricity 2.9   23.1 26.4 29.0 24.8
Natural Gas 91.4   105.3 114.9 126.9 115.7
Heating Oil 0.9   0.0 0.0 0.0 0.0
Other2 3.8   1.8 1.7 1.6 1.4
Wood 7.5   7.4 7.3 5.4 6.2

Shares (%)
Electricity 2.7   16.8 17.6 17.8 16.7
Natural Gas 85.8   76.5 76.4 77.9 78.1
Heating Oil 0.9   0.0 0.0 0.0 0.0
Other2 3.5   1.3 1.1 1.0 1.0
Wood 7.0   5.4 4.9 3.3 4.2

Activity
Total Floor Space (million m2) 111.2   198.6 209.2 215.7 220.4
Energy Intensity (GJ/m2) 0.96   0.69 0.72 0.76 0.67
Total Space Heating GHG Emissions Excluding Electricity (Mt of CO2e) 5.2   5.6 6.0 6.5 6.0

GHG Emissions by Energy Source (Mt of CO2e)
Electricity  
Natural Gas 4.7   5.3 5.7 6.3 5.7
Heating Oil 0.1   0.0 0.0 0.0 0.0
Other2 0.3   0.1 0.1 0.1 0.1
Wood 0.2   0.2 0.2 0.1 0.1
GHG Intensity (tonne/TJ) 48.8   40.4 40.0 40.1 40.2
Heating Degree-Day Index 0.93   0.92 0.97 1.01 0.89
Heat Gains (PJ) 9.5   9.8 9.2 8.9 7.0

Footnotes:

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