Residential Sector
Alberta1
Table 38: Apartments Secondary Energy Use and GHG Emissions by Energy Source
  1990   2012 2013 2014 2015
Total Apartments Energy Use (PJ) 19.2   23.2 21.3 20.3 17.2

Energy Use by Energy Source (PJ)
Electricity 2.9   3.9 3.8 3.6 2.9
Natural Gas 14.9   18.5 16.9 16.2 13.8
Heating Oil 0.1   0.0 0.0 0.0 0.0
Other2 0.5   0.2 0.2 0.2 0.1
Wood 0.8   0.5 0.4 0.3 0.3

Shares (%)
Electricity 15.0   16.9 17.7 17.7 17.0
Natural Gas 77.9   79.9 79.4 80.0 80.4
Heating Oil 0.6   0.0 0.0 0.0 0.0
Other2 2.5   1.1 0.9 0.8 0.8
Wood 3.9   2.1 2.0 1.5 1.8

Activity
Total Floor Space (million m2) 18.2   30.2 32.6 34.3 36.3
Total Households (thousands) 198.3   287.7 289.6 296.3 299.4
Energy Intensity (GJ/m2) 1.06   0.77 0.66 0.59 0.47
Energy Intensity (GJ/household) 96.7   80.7 73.7 68.3 57.5
Total Apartments GHG Emissions Excluding Electricity (Mt of CO2e) 0.8   1.0 0.9 0.8 0.7

GHG Emissions by Energy Source (Mt of CO2e)
Electricity  
Natural Gas 0.8   0.9 0.8 0.8 0.7
Heating Oil 0.0   0.0 0.0 0.0 0.0
Other2 0.0   0.0 0.0 0.0 0.0
Wood 0.0   0.0 0.0 0.0 0.0

Shares (%)
Electricity  
Natural Gas 92.8   97.1 97.3 97.9 97.7
Heating Oil 1.0   0.0 0.0 0.0 0.0
Other2 4.0   1.7 1.5 1.2 1.2
Wood 2.1   1.2 1.2 0.8 1.1
GHG Intensity (tonne/TJ) 43.1   41.2 40.7 40.7 40.7
Heating Degree-Day Index 0.93   0.92 0.97 1.01 0.89
Cooling Degree-Day Index 1.26   0.77 0.66 1.05 1.31

Footnotes:

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