Residential Sector
Ontario
Table 29: Single Detached and Single Attached Water Heater Stock by Energy Source
  1990   2011 2012 2013 2014 2015
Total Single Detached Water Heater Stock (thousands) 2,142.0   2,904.0 2,927.4 2,970.1 2,990.5 3,014.1

Water Heater Stock by Energy Source (thousands)
Electricity 889.4   762.0 788.8 807.1 819.4 832.5
Natural Gas 1,201.8   2,052.4 2,052.7 2,082.4 2,096.5 2,112.8
Heating Oil 40.8   64.9 58.1 51.7 44.7 37.9
Steam 0.0   0.0 0.0 0.0 0.0 0.0
Other1 8.8   23.8 26.8 27.9 28.9 29.8
Wood 1.3   1.0 1.0 1.0 1.0 1.0

Shares (%)
Electricity 41.5   26.2 26.9 27.2 27.4 27.6
Natural Gas 56.1   70.7 70.1 70.1 70.1 70.1
Heating Oil 1.9   2.2 2.0 1.7 1.5 1.3
Steam 0.0   0.0 0.0 0.0 0.0 0.0
Other1 0.4   0.8 0.9 0.9 1.0 1.0
Wood 0.1   0.0 0.0 0.0 0.0 0.0
Total Single Attached Water Heater Stock (thousands) 482.7   773.4 785.4 810.3 822.9 834.5

Water Heater Stock by Energy Source (thousands)
Electricity 200.4   202.9 211.6 220.2 225.5 230.5
Natural Gas 270.8   546.6 550.7 568.1 576.9 585.0
Heating Oil 9.2   17.3 15.6 14.1 12.3 10.5
Steam 0.0   0.0 0.0 0.0 0.0 0.0
Other1 2.0   6.3 7.2 7.6 7.9 8.3
Wood 0.3   0.3 0.3 0.3 0.3 0.3

Shares (%)
Electricity 41.5   26.2 26.9 27.2 27.4 27.6
Natural Gas 56.1   70.7 70.1 70.1 70.1 70.1
Heating Oil 1.9   2.2 2.0 1.7 1.5 1.3
Steam 0.0   0.0 0.0 0.0 0.0 0.0
Other1 0.4   0.8 0.9 0.9 1.0 1.0
Wood 0.1   0.0 0.0 0.0 0.0 0.0

Footnotes:

1) “Other” includes coal and propane.