Residential Sector
Territories
Table 28: Water Heater Stock by Building Type and Energy Source
  2000   2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
Total Water Heater Stock (thousands) 31.6   31.9 32.7 33.4 34.0 34.4 34.9 36.1 36.6 37.0 37.3 39.7 40.5 41.3 42.1 42.5 43.2 43.6

Water Heater Stock by Building Type (thousands)
Single Detached 16.9   17.1 17.4 17.6 17.9 18.2 18.4 18.9 19.1 19.2 19.3 20.7 21.1 21.5 22.0 22.1 22.3 22.5
Single Attached 6.2   6.2 6.2 6.5 6.5 6.5 6.6 7.1 7.1 7.3 7.3 7.9 8.1 8.2 8.4 8.5 8.6 8.7
Apartments 5.8   5.9 6.3 6.4 6.7 6.9 7.0 7.2 7.4 7.6 7.6 8.0 8.2 8.4 8.7 8.8 9.2 9.3
Mobile Homes 2.8   2.8 2.8 2.8 2.9 2.9 2.9 3.0 3.0 3.0 3.0 3.0 3.1 3.1 3.1 3.1 3.1 3.2

Shares (%)
Single Detached 53.5   53.5 53.1 52.8 52.7 52.7 52.7 52.3 52.1 51.9 51.8 52.2 52.2 52.2 52.1 52.0 51.7 51.5
Single Attached 19.5   19.3 19.1 19.4 19.1 18.9 18.8 19.6 19.5 19.6 19.6 19.9 19.9 20.0 20.0 19.9 19.9 20.0
Apartments 18.3   18.6 19.2 19.3 19.7 19.9 20.0 19.9 20.2 20.4 20.4 20.2 20.3 20.4 20.5 20.8 21.2 21.3
Mobile Homes 8.8   8.6 8.6 8.5 8.5 8.4 8.4 8.2 8.2 8.1 8.1 7.7 7.6 7.5 7.4 7.3 7.3 7.2

Water Heater Stock by Energy Source (thousands)
Electricity 21.8   23.4 24.6 24.9 24.7 24.5 23.5 23.9 23.6 23.7 23.5 24.6 24.7 25.5 25.6 25.5 25.6 25.6
Natural Gas 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil 9.8   8.6 8.1 8.5 9.2 10.0 11.4 12.2 13.0 13.4 13.8 15.0 15.7 15.7 16.5 17.0 17.6 18.0
Steam 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other1 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Wood 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

Shares (%)
Electricity 69.1   73.1 75.3 74.7 72.8 71.0 67.4 66.3 64.4 63.9 63.0 62.1 61.2 61.9 60.9 60.0 59.2 58.8
Natural Gas 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil 30.9   26.9 24.7 25.3 27.2 29.0 32.6 33.7 35.6 36.1 37.0 37.9 38.8 38.1 39.1 40.0 40.8 41.2
Steam 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other1 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Wood 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 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.