Residential Sector
Alberta
Table 29: Single Detached and Single Attached Water Heater Stock by Energy Source
  1990   2015 2016 2017
Total Single Detached Water Heater Stock (thousands) 590.2   1,007.8 1,018.6 1,040.8

Water Heater Stock by Energy Source (thousands)
Electricity 39.4   75.9 77.6 80.1
Natural Gas 538.0   905.3 913.7 932.1
Heating Oil 5.4   11.7 12.0 12.6
Steam 0.0   0.0 0.0 0.0
Other1 7.5   12.8 13.2 13.8
Wood 0.0   2.0 2.1 2.2

Shares (%)
Electricity 6.7   7.5 7.6 7.7
Natural Gas 91.2   89.8 89.7 89.6
Heating Oil 0.9   1.2 1.2 1.2
Steam 0.0   0.0 0.0 0.0
Other1 1.3   1.3 1.3 1.3
Wood 0.0   0.2 0.2 0.2
Total Single Attached Water Heater Stock (thousands) 106.3   219.8 227.5 240.3

Water Heater Stock by Energy Source (thousands)
Electricity 7.1   16.6 17.3 18.5
Natural Gas 96.9   197.4 204.0 215.2
Heating Oil 1.0   2.5 2.7 2.9
Steam 0.0   0.0 0.0 0.0
Other1 1.3   2.8 2.9 3.2
Wood 0.0   0.4 0.5 0.5

Shares (%)
Electricity 6.7   7.5 7.6 7.7
Natural Gas 91.2   89.8 89.7 89.6
Heating Oil 0.9   1.2 1.2 1.2
Steam 0.0   0.0 0.0 0.0
Other1 1.3   1.3 1.3 1.3
Wood 0.0   0.2 0.2 0.2

Footnotes:

1) “Other” includes coal and propane.