Residential Sector
Alberta
Table 22: Single Detached Heating System Stock by Heating System Type
  2000   2017 2018
Total Single Detached Heating System Stock (thousands) 733.7   1,038.1 1,054.4

Heating System Stock by Heating System Type (thousands)
Heating Oil – Normal Efficiency 3.6   0.0 0.0
Heating Oil – Medium Efficiency 1.3   7.0 7.2
Heating Oil – High Efficiency 0.0   0.0 0.0
Natural Gas – Normal Efficiency 328.2   0.0 0.0
Natural Gas – Medium Efficiency 320.8   445.7 421.2
Natural Gas – High Efficiency 37.5   488.7 527.4
Electric 11.4   41.7 42.0
Heat Pump 13.5   33.0 34.1
Other1 10.6   11.8 11.9
Wood 0.5   0.0 0.0

Dual Systems
Wood/Electric 0.9   1.5 1.5
Wood/Heating Oil 3.1   4.9 5.0
Natural Gas/Electric 2.1   3.9 4.0
Heating Oil/Electric 0.1   0.1 0.1

Shares (%)
Heating Oil – Normal Efficiency 0.5   0.0 0.0
Heating Oil – Medium Efficiency 0.2   0.7 0.7
Heating Oil – High Efficiency 0.0   0.0 0.0
Natural Gas – Normal Efficiency 44.7   0.0 0.0
Natural Gas – Medium Efficiency 43.7   42.9 39.9
Natural Gas – High Efficiency 5.1   47.1 50.0
Electric 1.6   4.0 4.0
Heat Pump 1.8   3.2 3.2
Other1 1.4   1.1 1.1
Wood 0.1   0.0 0.0

Dual Systems
Wood/Electric 0.1   0.1 0.1
Wood/Heating Oil 0.4   0.5 0.5
Natural Gas/Electric 0.3   0.4 0.4
Heating Oil/Electric 0.0   0.0 0.0

Footnotes:

1) “Other” includes coal and propane.