Residential Sector
Alberta
Table 21: Heating System Stock by Building Type and Heating System Type
  2000   2009 2010 2011 2012 2013 2014 2015 2016
Total Heating System Stock (thousands) 1,158.9   1,465.1 1,493.6 1,516.5 1,541.5 1,573.0 1,606.8 1,645.5 1,678.6

Heating System Stock by Building Type (thousands)
Single Detached 733.7   914.9 931.0 944.3 957.6 973.2 989.0 1,005.0 1,015.8
Single Attached 133.7   180.0 185.2 190.2 196.0 203.4 211.5 221.3 229.0
Apartments 242.8   309.8 315.9 319.8 324.7 332.2 341.1 352.9 366.9
Mobile Homes 48.7   60.4 61.5 62.3 63.2 64.2 65.2 66.2 66.9

Shares (%)
Single Detached 63.3   62.4 62.3 62.3 62.1 61.9 61.6 61.1 60.5
Single Attached 11.5   12.3 12.4 12.5 12.7 12.9 13.2 13.4 13.6
Apartments 21.0   21.1 21.2 21.1 21.1 21.1 21.2 21.4 21.9
Mobile Homes 4.2   4.1 4.1 4.1 4.1 4.1 4.1 4.0 4.0

Heating System Stock by Heating System Type (thousands)
Heating Oil – Normal Efficiency 6.3   0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2
Heating Oil – Medium Efficiency 2.1   7.6 8.0 8.5 9.0 9.6 10.3 10.8 11.3
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 541.4   145.1 115.7 86.2 59.6 35.9 16.1 6.1 2.7
Natural Gas – Medium Efficiency 489.2   880.7 878.2 870.9 862.3 850.9 835.3 812.0 782.5
Natural Gas – High Efficiency 55.3   310.5 367.0 419.8 476.7 539.1 604.1 672.2 735.1
Electric 18.5   57.4 59.1 63.8 64.5 65.8 67.1 68.4 69.3
Heat Pump 16.8   29.4 30.9 32.2 33.6 35.3 36.8 38.2 39.4
Other1 16.8   17.5 17.6 17.6 17.8 18.2 18.6 19.0 19.2
Wood 1.8   1.3 1.3 1.4 1.4 1.4 1.5 1.5 1.6

Dual Systems
Wood/Electric 1.5   1.9 2.0 2.0 2.1 2.1 2.2 2.2 2.2
Wood/Heating Oil 5.0   6.6 6.8 6.9 7.1 7.3 7.4 7.5 7.6
Natural Gas/Electric 4.2   6.0 6.2 6.4 6.6 6.8 7.0 7.2 7.4
Heating Oil/Electric 0.1   0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1

Shares (%)
Heating Oil – Normal Efficiency 0.5   0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil – Medium Efficiency 0.2   0.5 0.5 0.6 0.6 0.6 0.6 0.7 0.7
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 46.7   9.9 7.7 5.7 3.9 2.3 1.0 0.4 0.2
Natural Gas – Medium Efficiency 42.2   60.1 58.8 57.4 55.9 54.1 52.0 49.3 46.6
Natural Gas – High Efficiency 4.8   21.2 24.6 27.7 30.9 34.3 37.6 40.8 43.8
Electric 1.6   3.9 4.0 4.2 4.2 4.2 4.2 4.2 4.1
Heat Pump 1.5   2.0 2.1 2.1 2.2 2.2 2.3 2.3 2.3
Other1 1.4   1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.1
Wood 0.2   0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1

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

Footnotes:

1) “Other” includes coal and propane.