Residential Sector
Alberta1
Table 39: Apartments Secondary Energy Use and GHG Emissions by End-Use
  1990   2012 2013 2014 2015
Total Apartments Energy Use (PJ) 19.2   23.2 21.3 20.3 17.2

Energy Use by End-Use (PJ)
Space Heating 11.1   11.8 11.3 10.9 9.0
Water Heating 5.5   9.3 8.0 7.5 6.7
Appliances 2.3   2.0 1.8 1.7 1.4
Lighting 0.3   0.2 0.2 0.2 0.1
Space Cooling 0.0   0.0 0.0 0.0 0.0

Shares (%)
Space Heating 57.8   50.6 53.2 54.0 52.0
Water Heating 28.5   40.0 37.6 36.9 38.8
Appliances 12.0   8.4 8.3 8.2 8.3
Lighting 1.7   1.0 0.9 0.9 0.9
Space Cooling 0.0   0.0 0.0 0.0 0.0

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 End-Use (Mt of CO2e)
Space Heating 0.5   0.5 0.5 0.4 0.4
Water Heating 0.3   0.5 0.4 0.4 0.3
Appliances 0.0   0.0 0.0 0.0 0.0
Lighting 0.0   0.0 0.0 0.0 0.0
Space Cooling 0.0   0.0 0.0 0.0 0.0

Shares (%)
Space Heating 65.5   50.5 52.9 53.8 51.8
Water Heating 33.6   47.8 45.3 44.4 46.3
Appliances 0.9   1.8 1.7 1.7 1.8
Lighting 0.0   0.0 0.0 0.0 0.0
Space Cooling 0.0   0.0 0.0 0.0 0.0
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.