2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total Water Heater Stock (thousands) | 934.6 | 942.8 | 952.2 | 964.6 | 978.0 | 989.4 | 1,000.2 | 1,011.4 | 1,023.1 | 1,033.7 | 1,044.5 | 1,055.3 | 1,066.0 | 1,077.1 | 1,085.2 | 1,091.6 | 1,099.0 | 1,105.4 | |
Water Heater Stock by Building Type (thousands) | |||||||||||||||||||
Single Detached | 661.9 | 667.9 | 674.7 | 683.8 | 692.2 | 699.9 | 706.9 | 713.7 | 721.1 | 727.7 | 734.5 | 740.7 | 746.2 | 751.4 | 755.6 | 759.0 | 762.2 | 765.3 | |
Single Attached | 62.2 | 62.7 | 63.4 | 64.3 | 65.9 | 67.3 | 68.8 | 70.3 | 71.9 | 73.5 | 75.0 | 76.6 | 78.4 | 79.8 | 80.9 | 81.8 | 82.8 | 83.9 | |
Apartments | 175.0 | 176.3 | 177.8 | 179.6 | 182.6 | 184.5 | 186.5 | 189.0 | 191.3 | 193.5 | 195.7 | 198.3 | 201.5 | 205.9 | 208.5 | 210.5 | 213.4 | 215.4 | |
Mobile Homes | 35.7 | 36.0 | 36.4 | 36.9 | 37.3 | 37.7 | 38.1 | 38.4 | 38.8 | 39.1 | 39.4 | 39.6 | 39.9 | 40.1 | 40.3 | 40.4 | 40.6 | 40.8 | |
Shares (%) | |||||||||||||||||||
Single Detached | 70.8 | 70.8 | 70.9 | 70.9 | 70.8 | 70.7 | 70.7 | 70.6 | 70.5 | 70.4 | 70.3 | 70.2 | 70.0 | 69.8 | 69.6 | 69.5 | 69.4 | 69.2 | |
Single Attached | 6.7 | 6.6 | 6.7 | 6.7 | 6.7 | 6.8 | 6.9 | 6.9 | 7.0 | 7.1 | 7.2 | 7.3 | 7.4 | 7.4 | 7.5 | 7.5 | 7.5 | 7.6 | |
Apartments | 18.7 | 18.7 | 18.7 | 18.6 | 18.7 | 18.6 | 18.6 | 18.7 | 18.7 | 18.7 | 18.7 | 18.8 | 18.9 | 19.1 | 19.2 | 19.3 | 19.4 | 19.5 | |
Mobile Homes | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 656.7 | 661.6 | 665.0 | 669.8 | 682.2 | 690.7 | 700.3 | 712.6 | 726.1 | 743.0 | 761.3 | 778.7 | 798.9 | 820.2 | 839.0 | 856.3 | 873.7 | 889.7 | |
Natural Gas | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.8 | 3.9 | 5.8 | 7.5 | 9.1 | 10.5 | 11.7 | 11.1 | 9.9 | 8.9 | 7.9 | 7.9 | 7.9 | |
Heating Oil | 251.8 | 256.8 | 263.8 | 271.0 | 271.6 | 272.8 | 272.4 | 269.0 | 265.4 | 258.0 | 250.0 | 243.2 | 235.2 | 227.5 | 218.9 | 210.0 | 201.0 | 192.1 | |
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 | 2.3 | 2.2 | 2.1 | 2.0 | 2.0 | 2.0 | 2.0 | 2.1 | 2.1 | 2.2 | 2.5 | 2.7 | 2.9 | 3.2 | 3.6 | 4.0 | 4.5 | 5.0 | |
Wood | 23.8 | 22.2 | 21.2 | 21.8 | 22.2 | 22.1 | 21.7 | 21.9 | 22.0 | 21.5 | 20.2 | 18.9 | 18.0 | 16.3 | 14.8 | 13.3 | 12.0 | 10.7 | |
Shares (%) | |||||||||||||||||||
Electricity | 70.3 | 70.2 | 69.8 | 69.4 | 69.8 | 69.8 | 70.0 | 70.5 | 71.0 | 71.9 | 72.9 | 73.8 | 74.9 | 76.1 | 77.3 | 78.4 | 79.5 | 80.5 | |
Natural Gas | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.4 | 0.6 | 0.7 | 0.9 | 1.0 | 1.1 | 1.0 | 0.9 | 0.8 | 0.7 | 0.7 | 0.7 | |
Heating Oil | 26.9 | 27.2 | 27.7 | 28.1 | 27.8 | 27.6 | 27.2 | 26.6 | 25.9 | 25.0 | 23.9 | 23.0 | 22.1 | 21.1 | 20.2 | 19.2 | 18.3 | 17.4 | |
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 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.4 | 0.5 | |
Wood | 2.5 | 2.4 | 2.2 | 2.3 | 2.3 | 2.2 | 2.2 | 2.2 | 2.1 | 2.1 | 1.9 | 1.8 | 1.7 | 1.5 | 1.4 | 1.2 | 1.1 | 1.0 |