2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total Water Heater Stock (thousands) | 377.9 | 381.4 | 385.3 | 390.5 | 395.2 | 399.5 | 403.8 | 408.0 | 412.3 | 415.8 | 419.4 | 422.8 | 426.3 | 430.8 | 433.7 | 436.3 | 439.2 | 442.4 | |
Water Heater Stock by Building Type (thousands) | |||||||||||||||||||
Single Detached | 255.9 | 257.9 | 260.4 | 263.8 | 266.5 | 269.3 | 271.7 | 274.1 | 276.4 | 278.2 | 280.3 | 282.0 | 283.6 | 285.2 | 286.3 | 287.3 | 288.2 | 289.3 | |
Single Attached | 23.8 | 24.0 | 24.3 | 24.8 | 25.3 | 25.8 | 26.3 | 26.9 | 27.4 | 27.9 | 28.5 | 29.0 | 29.7 | 30.3 | 30.8 | 31.2 | 31.6 | 32.0 | |
Apartments | 82.8 | 83.8 | 84.8 | 85.9 | 87.3 | 88.2 | 89.3 | 90.5 | 91.8 | 92.8 | 93.7 | 94.7 | 95.9 | 98.1 | 99.3 | 100.5 | 102.0 | 103.6 | |
Mobile Homes | 15.5 | 15.6 | 15.8 | 16.0 | 16.1 | 16.3 | 16.4 | 16.6 | 16.7 | 16.8 | 16.9 | 17.0 | 17.1 | 17.2 | 17.3 | 17.3 | 17.4 | 17.4 | |
Shares (%) | |||||||||||||||||||
Single Detached | 67.7 | 67.6 | 67.6 | 67.6 | 67.4 | 67.4 | 67.3 | 67.2 | 67.0 | 66.9 | 66.8 | 66.7 | 66.5 | 66.2 | 66.0 | 65.8 | 65.6 | 65.4 | |
Single Attached | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | 6.5 | 6.5 | 6.6 | 6.6 | 6.7 | 6.8 | 6.9 | 7.0 | 7.0 | 7.1 | 7.1 | 7.2 | 7.2 | |
Apartments | 21.9 | 22.0 | 22.0 | 22.0 | 22.1 | 22.1 | 22.1 | 22.2 | 22.3 | 22.3 | 22.4 | 22.4 | 22.5 | 22.8 | 22.9 | 23.0 | 23.2 | 23.4 | |
Mobile Homes | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 3.9 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 203.6 | 203.9 | 202.7 | 202.4 | 205.8 | 206.3 | 208.6 | 212.4 | 216.6 | 223.8 | 230.5 | 237.6 | 246.9 | 256.8 | 265.6 | 274.3 | 282.5 | 290.8 | |
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 | 0.8 | 1.5 | |
Heating Oil | 159.7 | 163.5 | 169.3 | 175.4 | 176.8 | 180.3 | 182.4 | 182.3 | 182.3 | 178.7 | 175.3 | 171.6 | 166.3 | 161.4 | 156.0 | 150.4 | 144.6 | 139.0 | |
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 | 1.7 | 1.6 | 1.6 | 1.4 | 1.4 | 1.5 | 1.4 | 1.5 | 1.6 | 1.7 | 1.9 | 2.0 | 2.2 | 2.4 | 2.7 | 3.0 | 3.4 | 3.7 | |
Wood | 13.0 | 12.4 | 11.8 | 11.3 | 11.2 | 11.5 | 11.3 | 11.8 | 11.8 | 11.6 | 11.7 | 11.6 | 11.0 | 10.2 | 9.4 | 8.6 | 7.9 | 7.3 | |
Shares (%) | |||||||||||||||||||
Electricity | 53.9 | 53.5 | 52.6 | 51.8 | 52.1 | 51.6 | 51.7 | 52.1 | 52.5 | 53.8 | 55.0 | 56.2 | 57.9 | 59.6 | 61.3 | 62.9 | 64.3 | 65.7 | |
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 | 0.2 | 0.4 | |
Heating Oil | 42.3 | 42.9 | 43.9 | 44.9 | 44.7 | 45.1 | 45.2 | 44.7 | 44.2 | 43.0 | 41.8 | 40.6 | 39.0 | 37.5 | 36.0 | 34.5 | 32.9 | 31.4 | |
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 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 | 0.6 | 0.7 | 0.8 | 0.8 | |
Wood | 3.4 | 3.3 | 3.1 | 2.9 | 2.8 | 2.9 | 2.8 | 2.9 | 2.9 | 2.8 | 2.8 | 2.7 | 2.6 | 2.4 | 2.2 | 2.0 | 1.8 | 1.7 |