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) | 302.3 | 304.6 | 307.1 | 309.8 | 312.9 | 316.3 | 319.5 | 322.7 | 326.0 | 328.8 | 332.4 | 335.6 | 338.5 | 342.0 | 344.7 | 347.2 | 349.2 | 351.7 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 137.0 | 137.4 | 138.6 | 140.5 | 142.6 | 145.4 | 150.3 | 156.0 | 162.2 | 167.7 | 173.3 | 180.0 | 185.3 | 188.9 | 191.9 | 194.9 | 197.7 | 200.7 | |
Natural Gas | 162.1 | 163.8 | 165.0 | 166.0 | 166.4 | 166.6 | 165.0 | 162.6 | 160.1 | 157.8 | 156.1 | 153.4 | 151.7 | 151.8 | 151.5 | 151.1 | 150.5 | 150.1 | |
Heating Oil | 0.8 | 0.8 | 0.8 | 0.8 | 0.9 | 1.0 | 1.0 | 1.0 | 0.9 | 0.8 | 0.7 | 0.5 | 0.4 | 0.3 | 0.3 | 0.2 | 0.2 | 0.2 | |
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 | 0.9 | 0.9 | 0.9 | 0.9 | 1.0 | 1.2 | 1.1 | 1.1 | 0.9 | 0.8 | 0.7 | 0.5 | 0.3 | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | |
Wood | 1.6 | 1.7 | 1.7 | 1.6 | 1.9 | 2.1 | 2.1 | 2.0 | 1.8 | 1.7 | 1.6 | 1.2 | 0.9 | 0.8 | 0.8 | 0.7 | 0.7 | 0.6 | |
Shares (%) | |||||||||||||||||||
Electricity | 45.3 | 45.1 | 45.1 | 45.4 | 45.6 | 46.0 | 47.0 | 48.4 | 49.8 | 51.0 | 52.1 | 53.6 | 54.7 | 55.2 | 55.7 | 56.2 | 56.6 | 57.1 | |
Natural Gas | 53.6 | 53.8 | 53.7 | 53.6 | 53.2 | 52.7 | 51.7 | 50.4 | 49.1 | 48.0 | 46.9 | 45.7 | 44.8 | 44.4 | 44.0 | 43.5 | 43.1 | 42.7 | |
Heating Oil | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | |
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 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | |
Wood | 0.5 | 0.5 | 0.6 | 0.5 | 0.6 | 0.7 | 0.6 | 0.6 | 0.6 | 0.5 | 0.5 | 0.4 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | |
Total Single Attached Water Heater Stock (thousands) | 28.8 | 28.9 | 29.1 | 29.2 | 29.4 | 29.6 | 29.9 | 30.3 | 30.8 | 31.3 | 31.8 | 32.7 | 33.4 | 34.2 | 35.4 | 36.2 | 37.1 | 38.0 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 13.1 | 13.0 | 13.1 | 13.2 | 13.4 | 13.6 | 14.1 | 14.7 | 15.3 | 16.0 | 16.6 | 17.5 | 18.3 | 18.9 | 19.7 | 20.3 | 21.0 | 21.7 | |
Natural Gas | 15.5 | 15.5 | 15.6 | 15.7 | 15.6 | 15.6 | 15.5 | 15.3 | 15.1 | 15.0 | 15.0 | 14.9 | 15.0 | 15.2 | 15.5 | 15.8 | 16.0 | 16.2 | |
Heating Oil | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
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 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Wood | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | |
Shares (%) | |||||||||||||||||||
Electricity | 45.3 | 45.1 | 45.1 | 45.4 | 45.6 | 46.0 | 47.0 | 48.4 | 49.8 | 51.0 | 52.1 | 53.6 | 54.7 | 55.2 | 55.7 | 56.2 | 56.6 | 57.1 | |
Natural Gas | 53.6 | 53.8 | 53.7 | 53.6 | 53.2 | 52.7 | 51.7 | 50.4 | 49.1 | 48.0 | 46.9 | 45.7 | 44.8 | 44.4 | 44.0 | 43.5 | 43.1 | 42.7 | |
Heating Oil | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | |
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 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | |
Wood | 0.5 | 0.5 | 0.6 | 0.5 | 0.6 | 0.7 | 0.6 | 0.6 | 0.6 | 0.5 | 0.5 | 0.4 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |