Residential Sector
Alberta
Table 22: Single Detached Heating System Stock by Heating System Type
  1990   2012 2013 2014 2015
Total Single Detached Heating System Stock (thousands) 589.8   961.6 994.7 1,012.6 1,021.3

Heating System Stock by Heating System Type (thousands)
Heating Oil – Normal Efficiency 7.5   0.0 0.0 0.0 0.0
Heating Oil – Medium Efficiency 0.5   2.4 2.9 3.3 3.5
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 494.2   35.2 19.5 5.4 0.0
Natural Gas – Medium Efficiency 54.5   315.3 305.7 293.5 276.7
Natural Gas – High Efficiency 0.0   88.4 124.9 154.2 184.4
Electric 9.2   477.6 496.7 509.6 508.9
Heat Pump 5.7   27.1 29.0 30.3 31.2
Other1 12.7   6.2 6.5 6.6 6.6
Wood 1.7   0.0 0.0 0.0 0.0

Dual Systems
Wood/Electric 0.8   1.3 1.4 1.4 1.4
Wood/Heating Oil 2.6   4.4 4.5 4.6 4.7
Natural Gas/Electric 0.5   3.4 3.5 3.6 3.7
Heating Oil/Electric 0.0   0.1 0.1 0.1 0.1

Shares (%)
Heating Oil – Normal Efficiency 1.3   0.0 0.0 0.0 0.0
Heating Oil – Medium Efficiency 0.1   0.3 0.3 0.3 0.3
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 83.8   3.7 2.0 0.5 0.0
Natural Gas – Medium Efficiency 9.2   32.8 30.7 29.0 27.1
Natural Gas – High Efficiency 0.0   9.2 12.6 15.2 18.1
Electric 1.6   49.7 49.9 50.3 49.8
Heat Pump 1.0   2.8 2.9 3.0 3.1
Other1 2.2   0.6 0.7 0.7 0.7
Wood 0.3   0.0 0.0 0.0 0.0

Dual Systems
Wood/Electric 0.1   0.1 0.1 0.1 0.1
Wood/Heating Oil 0.4   0.5 0.5 0.5 0.5
Natural Gas/Electric 0.1   0.4 0.4 0.4 0.4
Heating Oil/Electric 0.0   0.0 0.0 0.0 0.0

Footnotes:

1) “Other” includes coal and propane.