2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total Single Detached Water Heater Stock (thousands) | 869.3 | 874.9 | 881.4 | 889.3 | 898.2 | 907.6 | 918.9 | 929.2 | 937.4 | 943.8 | 951.2 | 957.0 | 962.3 | 968.5 | 973.7 | 978.7 | 984.3 | 991.1 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 354.6 | 352.6 | 346.6 | 340.4 | 336.0 | 337.1 | 340.3 | 343.2 | 345.5 | 350.6 | 358.6 | 369.2 | 376.6 | 384.1 | 391.2 | 398.2 | 405.5 | 413.3 | |
Natural Gas | 491.7 | 498.4 | 509.9 | 524.9 | 538.8 | 548.0 | 557.2 | 564.8 | 572.4 | 575.4 | 575.4 | 571.0 | 569.4 | 568.8 | 567.4 | 565.7 | 564.2 | 563.3 | |
Heating Oil | 11.8 | 13.0 | 13.6 | 13.2 | 12.8 | 12.2 | 11.5 | 11.3 | 10.3 | 9.2 | 8.7 | 8.3 | 7.5 | 6.7 | 6.0 | 5.3 | 4.7 | 4.2 | |
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 | 4.3 | 4.2 | 4.4 | 4.2 | 4.1 | 4.0 | 3.8 | 3.8 | 3.6 | 3.4 | 3.4 | 3.6 | 3.9 | 4.3 | 4.7 | 5.3 | 5.9 | 6.5 | |
Wood | 6.9 | 6.7 | 6.9 | 6.6 | 6.4 | 6.3 | 6.1 | 6.0 | 5.6 | 5.2 | 5.0 | 5.0 | 4.8 | 4.7 | 4.4 | 4.2 | 4.0 | 3.9 | |
Shares (%) | |||||||||||||||||||
Electricity | 40.8 | 40.3 | 39.3 | 38.3 | 37.4 | 37.1 | 37.0 | 36.9 | 36.9 | 37.1 | 37.7 | 38.6 | 39.1 | 39.7 | 40.2 | 40.7 | 41.2 | 41.7 | |
Natural Gas | 56.6 | 57.0 | 57.8 | 59.0 | 60.0 | 60.4 | 60.6 | 60.8 | 61.1 | 61.0 | 60.5 | 59.7 | 59.2 | 58.7 | 58.3 | 57.8 | 57.3 | 56.8 | |
Heating Oil | 1.4 | 1.5 | 1.5 | 1.5 | 1.4 | 1.3 | 1.3 | 1.2 | 1.1 | 1.0 | 0.9 | 0.9 | 0.8 | 0.7 | 0.6 | 0.5 | 0.5 | 0.4 | |
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 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 | 0.7 | |
Wood | 0.8 | 0.8 | 0.8 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.6 | 0.6 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 | |
Total Single Attached Water Heater Stock (thousands) | 167.9 | 170.4 | 173.4 | 177.8 | 183.2 | 189.2 | 195.5 | 201.8 | 207.4 | 213.9 | 218.4 | 222.8 | 227.6 | 231.8 | 236.1 | 240.5 | 245.7 | 250.8 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 68.5 | 68.7 | 68.2 | 68.1 | 68.5 | 70.3 | 72.4 | 74.5 | 76.4 | 79.4 | 82.4 | 86.0 | 89.1 | 91.9 | 94.9 | 97.8 | 101.2 | 104.6 | |
Natural Gas | 95.0 | 97.1 | 100.3 | 105.0 | 109.9 | 114.3 | 118.5 | 122.7 | 126.6 | 130.4 | 132.1 | 132.9 | 134.7 | 136.1 | 137.6 | 139.0 | 140.9 | 142.6 | |
Heating Oil | 2.3 | 2.5 | 2.7 | 2.6 | 2.6 | 2.5 | 2.5 | 2.5 | 2.3 | 2.1 | 2.0 | 1.9 | 1.8 | 1.6 | 1.4 | 1.3 | 1.2 | 1.1 | |
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 | 0.8 | 0.8 | 0.9 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.9 | 1.0 | 1.1 | 1.3 | 1.5 | 1.6 | |
Wood | 1.3 | 1.3 | 1.4 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.2 | 1.2 | 1.1 | 1.2 | 1.1 | 1.1 | 1.1 | 1.0 | 1.0 | 1.0 | |
Shares (%) | |||||||||||||||||||
Electricity | 40.8 | 40.3 | 39.3 | 38.3 | 37.4 | 37.1 | 37.0 | 36.9 | 36.9 | 37.1 | 37.7 | 38.6 | 39.1 | 39.7 | 40.2 | 40.7 | 41.2 | 41.7 | |
Natural Gas | 56.6 | 57.0 | 57.8 | 59.0 | 60.0 | 60.4 | 60.6 | 60.8 | 61.1 | 61.0 | 60.5 | 59.7 | 59.2 | 58.7 | 58.3 | 57.8 | 57.3 | 56.8 | |
Heating Oil | 1.4 | 1.5 | 1.5 | 1.5 | 1.4 | 1.3 | 1.3 | 1.2 | 1.1 | 1.0 | 0.9 | 0.9 | 0.8 | 0.7 | 0.6 | 0.5 | 0.5 | 0.4 | |
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 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 | 0.7 | |
Wood | 0.8 | 0.8 | 0.8 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.6 | 0.6 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 |