Residential Sector
Alberta
Table 23: Single Attached Heating System Stock by Heating System Type
  2000   2009 2010 2011 2012 2013 2014 2015 2016
Total Single Attached Heating System Stock (thousands) 133.7   180.0 185.2 190.2 196.0 203.4 211.5 221.3 229.0

Heating System Stock by Heating System Type (thousands)
Heating Oil – Normal Efficiency 0.9   0.3 0.3 0.2 0.2 0.2 0.1 0.1 0.1
Heating Oil – Medium Efficiency 0.3   1.1 1.1 1.2 1.2 1.3 1.4 1.5 1.6
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 62.6   19.3 16.3 13.3 10.5 7.9 5.6 3.7 2.3
Natural Gas – Medium Efficiency 57.6   107.2 106.8 105.7 104.5 103.0 100.9 98.4 95.3
Natural Gas – High Efficiency 6.9   41.2 49.3 57.5 67.0 78.0 89.8 103.3 114.9
Electric 2.3   7.3 7.6 8.3 8.5 8.8 9.2 9.6 9.9
Heat Pump 0.5   0.9 1.0 1.0 1.1 1.2 1.2 1.4 1.4
Other1 1.9   2.2 2.2 2.2 2.3 2.4 2.5 2.6 2.7
Wood 0.4   0.5 0.5 0.5 0.5 0.5 0.6 0.6 0.6

Dual Systems
Wood/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Wood/Heating Oil 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas/Electric 0.1   0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
Heating Oil/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

Shares (%)
Heating Oil – Normal Efficiency 0.6   0.2 0.1 0.1 0.1 0.1 0.1 0.0 0.0
Heating Oil – Medium Efficiency 0.3   0.6 0.6 0.6 0.6 0.6 0.7 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 46.9   10.7 8.8 7.0 5.3 3.9 2.7 1.7 1.0
Natural Gas – Medium Efficiency 43.1   59.5 57.7 55.6 53.3 50.6 47.7 44.5 41.6
Natural Gas – High Efficiency 5.2   22.9 26.6 30.2 34.2 38.3 42.4 46.7 50.2
Electric 1.7   4.1 4.1 4.4 4.3 4.3 4.3 4.3 4.3
Heat Pump 0.4   0.5 0.5 0.5 0.6 0.6 0.6 0.6 0.6
Other1 1.4   1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2
Wood 0.3   0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3

Dual Systems
Wood/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Wood/Heating Oil 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas/Electric 0.1   0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
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.