Residential Sector
Alberta
Table 8: Space Heating Secondary Energy Use by System Type
  1990   2015 2016
Total Space Heating Energy Use (PJ) 106.5   127.3 110.1

Energy Use by System Type (PJ)
Heating Oil – Normal Efficiency 0.7   0.0 0.0
Heating Oil – Medium Efficiency 0.0   0.0 0.0
Heating Oil – High Efficiency 0.0   0.0 0.0
Natural Gas – Normal Efficiency 86.7   0.3 0.1
Natural Gas – Medium Efficiency 6.8   67.6 55.1
Natural Gas – High Efficiency 0.0   48.1 44.0
Electric 0.6   2.3 2.3
Heat Pump 0.2   0.8 0.8
Other1 3.8   1.4 1.2
Wood 4.2   1.0 1.0

Dual Systems
Wood/Electric 1.9   3.2 3.1
Wood/Heating Oil 1.6   2.1 2.1
Natural Gas/Electric 0.1   0.5 0.4
Heating Oil/Electric 0.0   0.0 0.0

Shares (%)
Heating Oil – Normal Efficiency 0.7   0.0 0.0
Heating Oil – Medium Efficiency 0.0   0.0 0.0
Heating Oil – High Efficiency 0.0   0.0 0.0
Natural Gas – Normal Efficiency 81.4   0.2 0.1
Natural Gas – Medium Efficiency 6.4   53.1 50.1
Natural Gas – High Efficiency 0.0   37.8 39.9
Electric 0.5   1.8 2.1
Heat Pump 0.2   0.6 0.8
Other1 3.5   1.1 1.1
Wood 3.9   0.8 0.9

Dual Systems
Wood/Electric 1.8   2.5 2.8
Wood/Heating Oil 1.5   1.7 1.9
Natural Gas/Electric 0.1   0.4 0.4
Heating Oil/Electric 0.0   0.0 0.0

Activity
Total Floor Space (million m2) 111.2   215.0 218.9
Energy Intensity (GJ/m2) 0.96   0.59 0.50
Heat Gains (PJ) 9.5   11.5 11.2
Heating Degree-Day Index 0.93   0.89 0.88

Footnotes:

1) “Other” includes coal and propane.