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) | 886.2 | 892.0 | 898.7 | 906.9 | 916.1 | 925.8 | 937.3 | 948.1 | 956.5 | 963.0 | 970.5 | 977.8 | 983.4 | 990.0 | 995.6 | 1,000.8 | 1,006.6 | 1,013.5 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 366.3 | 365.1 | 359.7 | 353.6 | 349.1 | 350.0 | 352.6 | 355.7 | 357.8 | 362.8 | 370.8 | 382.0 | 389.5 | 397.4 | 404.6 | 411.5 | 418.7 | 426.5 | |
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 | 17.0 | 17.6 | 17.9 | 17.7 | 17.7 | 17.5 | 17.5 | 17.7 | 17.1 | 16.1 | 15.9 | 16.1 | 15.7 | 14.9 | 14.5 | 14.1 | 13.8 | 13.4 | |
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 | 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 | 41.3 | 40.9 | 40.0 | 39.0 | 38.1 | 37.8 | 37.6 | 37.5 | 37.4 | 37.7 | 38.2 | 39.1 | 39.6 | 40.1 | 40.6 | 41.1 | 41.6 | 42.1 | |
Natural Gas | 55.5 | 55.9 | 56.7 | 57.9 | 58.8 | 59.2 | 59.4 | 59.6 | 59.8 | 59.8 | 59.3 | 58.4 | 57.9 | 57.4 | 57.0 | 56.5 | 56.1 | 55.6 | |
Heating Oil | 1.9 | 2.0 | 2.0 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.8 | 1.7 | 1.6 | 1.6 | 1.6 | 1.5 | 1.5 | 1.4 | 1.4 | 1.3 | |
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 | 0.4 | 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 | |
Wood | 0.8 | 0.7 | 0.8 | 0.7 | 0.7 | 0.7 | 0.6 | 0.6 | 0.6 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | |
Total Single Attached Water Heater Stock (thousands) | 174.1 | 176.6 | 179.6 | 184.3 | 189.7 | 195.8 | 202.0 | 208.9 | 214.5 | 221.1 | 225.8 | 230.7 | 235.7 | 240.0 | 244.6 | 248.9 | 254.3 | 259.5 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 72.8 | 73.2 | 72.9 | 72.9 | 73.3 | 74.9 | 76.8 | 79.2 | 81.0 | 84.1 | 87.0 | 90.9 | 94.0 | 97.0 | 100.0 | 102.9 | 106.3 | 109.7 | |
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 | 4.2 | 4.2 | 4.2 | 4.3 | 4.4 | 4.4 | 4.6 | 4.9 | 4.8 | 4.7 | 4.7 | 4.9 | 4.9 | 4.7 | 4.7 | 4.7 | 4.7 | 4.6 | |
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 | 41.8 | 41.4 | 40.6 | 39.6 | 38.6 | 38.3 | 38.0 | 37.9 | 37.8 | 38.0 | 38.5 | 39.4 | 39.9 | 40.4 | 40.9 | 41.3 | 41.8 | 42.3 | |
Natural Gas | 54.6 | 55.0 | 55.8 | 57.0 | 57.9 | 58.4 | 58.7 | 58.7 | 59.0 | 59.0 | 58.5 | 57.6 | 57.1 | 56.7 | 56.3 | 55.8 | 55.4 | 54.9 | |
Heating Oil | 2.4 | 2.4 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.2 | 2.1 | 2.1 | 2.1 | 2.1 | 2.0 | 1.9 | 1.9 | 1.8 | 1.8 | |
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 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.3 | 0.3 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 | 0.6 | |
Wood | 0.8 | 0.7 | 0.8 | 0.7 | 0.7 | 0.7 | 0.6 | 0.6 | 0.6 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 |