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) | 1,443.8 | 1,458.5 | 1,480.8 | 1,504.7 | 1,531.5 | 1,552.7 | 1,572.9 | 1,593.1 | 1,610.7 | 1,625.7 | 1,642.6 | 1,656.4 | 1,670.5 | 1,682.0 | 1,691.5 | 1,699.3 | 1,706.9 | 1,714.4 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 1,272.4 | 1,289.2 | 1,315.9 | 1,343.0 | 1,371.9 | 1,396.4 | 1,421.7 | 1,445.5 | 1,467.6 | 1,487.5 | 1,510.4 | 1,531.9 | 1,553.9 | 1,573.9 | 1,590.6 | 1,604.5 | 1,617.2 | 1,629.0 | |
Natural Gas | 80.5 | 81.6 | 80.4 | 83.0 | 84.9 | 84.8 | 81.1 | 80.2 | 76.5 | 73.5 | 69.4 | 66.2 | 63.4 | 63.5 | 63.6 | 63.5 | 63.3 | 63.2 | |
Heating Oil | 85.5 | 82.4 | 79.1 | 73.9 | 70.2 | 65.7 | 63.3 | 60.2 | 58.6 | 56.4 | 54.3 | 49.7 | 45.6 | 37.6 | 30.9 | 25.3 | 20.8 | 17.0 | |
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 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 0.3 | 0.4 | 0.5 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 1.1 | 1.2 | 1.4 | |
Wood | 5.1 | 5.0 | 5.2 | 4.6 | 4.3 | 5.6 | 6.5 | 6.9 | 7.5 | 7.9 | 8.0 | 8.1 | 6.9 | 6.2 | 5.5 | 4.9 | 4.4 | 3.9 | |
Shares (%) | |||||||||||||||||||
Electricity | 88.1 | 88.4 | 88.9 | 89.3 | 89.6 | 89.9 | 90.4 | 90.7 | 91.1 | 91.5 | 92.0 | 92.5 | 93.0 | 93.6 | 94.0 | 94.4 | 94.7 | 95.0 | |
Natural Gas | 5.6 | 5.6 | 5.4 | 5.5 | 5.5 | 5.5 | 5.2 | 5.0 | 4.8 | 4.5 | 4.2 | 4.0 | 3.8 | 3.8 | 3.8 | 3.7 | 3.7 | 3.7 | |
Heating Oil | 5.9 | 5.7 | 5.3 | 4.9 | 4.6 | 4.2 | 4.0 | 3.8 | 3.6 | 3.5 | 3.3 | 3.0 | 2.7 | 2.2 | 1.8 | 1.5 | 1.2 | 1.0 | |
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 | 0.1 | 0.1 | 0.1 | 0.1 | |
Wood | 0.4 | 0.3 | 0.4 | 0.3 | 0.3 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.2 | |
Total Single Attached Water Heater Stock (thousands) | 236.6 | 238.7 | 241.2 | 244.3 | 248.0 | 254.2 | 260.9 | 266.9 | 273.3 | 280.0 | 286.0 | 291.8 | 297.2 | 301.7 | 305.9 | 309.8 | 314.0 | 318.8 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 208.5 | 211.0 | 214.3 | 218.0 | 222.1 | 228.6 | 235.8 | 242.2 | 249.0 | 256.2 | 263.0 | 269.9 | 276.5 | 282.3 | 287.6 | 292.5 | 297.5 | 302.9 | |
Natural Gas | 13.2 | 13.4 | 13.1 | 13.5 | 13.7 | 13.9 | 13.4 | 13.4 | 13.0 | 12.7 | 12.1 | 11.7 | 11.3 | 11.4 | 11.5 | 11.6 | 11.6 | 11.7 | |
Heating Oil | 14.0 | 13.5 | 12.9 | 12.0 | 11.4 | 10.8 | 10.5 | 10.1 | 9.9 | 9.7 | 9.4 | 8.8 | 8.1 | 6.7 | 5.6 | 4.6 | 3.8 | 3.2 | |
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 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.3 | |
Wood | 0.8 | 0.8 | 0.9 | 0.7 | 0.7 | 0.9 | 1.1 | 1.2 | 1.3 | 1.4 | 1.4 | 1.4 | 1.2 | 1.1 | 1.0 | 0.9 | 0.8 | 0.7 | |
Shares (%) | |||||||||||||||||||
Electricity | 88.1 | 88.4 | 88.9 | 89.3 | 89.6 | 89.9 | 90.4 | 90.7 | 91.1 | 91.5 | 92.0 | 92.5 | 93.0 | 93.6 | 94.0 | 94.4 | 94.7 | 95.0 | |
Natural Gas | 5.6 | 5.6 | 5.4 | 5.5 | 5.5 | 5.5 | 5.2 | 5.0 | 4.8 | 4.5 | 4.2 | 4.0 | 3.8 | 3.8 | 3.8 | 3.7 | 3.7 | 3.7 | |
Heating Oil | 5.9 | 5.7 | 5.3 | 4.9 | 4.6 | 4.2 | 4.0 | 3.8 | 3.6 | 3.5 | 3.3 | 3.0 | 2.7 | 2.2 | 1.8 | 1.5 | 1.2 | 1.0 | |
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 | 0.1 | 0.1 | 0.1 | 0.1 | |
Wood | 0.4 | 0.3 | 0.4 | 0.3 | 0.3 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.2 |