Residential Sector
Ontario
Table 28: Water Heater Stock by Building Type and Energy Source
  1990   2011 2012 2013 2014 2015
Total Water Heater Stock (thousands) 3,789.9   5,238.3 5,293.4 5,411.4 5,464.6 5,532.2

Water Heater Stock by Building Type (thousands)
Single Detached 2,142.0   2,904.0 2,927.4 2,970.1 2,990.5 3,014.1
Single Attached 482.7   773.4 785.4 810.3 822.9 834.5
Apartments 1,135.5   1,534.1 1,553.7 1,603.9 1,623.9 1,656.2
Mobile Homes 29.6   26.8 26.9 27.2 27.3 27.4

Shares (%)
Single Detached 56.5   55.4 55.3 54.9 54.7 54.5
Single Attached 12.7   14.8 14.8 15.0 15.1 15.1
Apartments 30.0   29.3 29.4 29.6 29.7 29.9
Mobile Homes 0.8   0.5 0.5 0.5 0.5 0.5

Water Heater Stock by Energy Source (thousands)
Electricity 1,573.6   1,374.4 1,426.4 1,470.5 1,497.3 1,528.1
Natural Gas 2,126.3   3,702.1 3,711.7 3,794.1 3,831.0 3,878.0
Heating Oil 72.2   117.0 105.1 94.1 81.8 69.5
Steam 0.0   0.0 0.0 0.0 0.0 0.0
Other1 15.5   42.9 48.4 50.8 52.7 54.8
Wood 2.3   1.8 1.8 1.8 1.8 1.8

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.