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) | 211.2 | 213.5 | 215.6 | 218.6 | 221.6 | 224.0 | 226.2 | 228.4 | 230.6 | 232.6 | 234.3 | 235.9 | 237.2 | 238.3 | 239.3 | 240.1 | 241.0 | 241.7 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 189.7 | 191.9 | 194.4 | 196.7 | 199.5 | 202.3 | 204.9 | 207.8 | 210.6 | 213.3 | 217.0 | 219.8 | 222.6 | 225.1 | 227.4 | 229.3 | 231.1 | 232.7 | |
Natural Gas | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.3 | 2.8 | 4.1 | 5.3 | 6.4 | 7.4 | 8.2 | 7.7 | 6.9 | 6.2 | 5.5 | 4.9 | 4.4 | |
Heating Oil | 18.2 | 18.5 | 18.3 | 18.2 | 18.0 | 16.5 | 14.5 | 12.3 | 10.4 | 8.5 | 6.3 | 4.8 | 3.9 | 3.6 | 3.4 | 3.1 | 2.9 | 2.7 | |
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 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 0.4 | 0.5 | 0.5 | 0.7 | 0.8 | |
Wood | 3.2 | 2.9 | 2.8 | 3.6 | 4.0 | 3.9 | 4.0 | 4.0 | 4.2 | 4.2 | 3.4 | 2.8 | 2.7 | 2.3 | 1.9 | 1.6 | 1.4 | 1.1 | |
Shares (%) | |||||||||||||||||||
Electricity | 89.8 | 89.9 | 90.2 | 90.0 | 90.0 | 90.3 | 90.6 | 91.0 | 91.3 | 91.7 | 92.6 | 93.2 | 93.8 | 94.5 | 95.0 | 95.5 | 95.9 | 96.3 | |
Natural Gas | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.6 | 1.2 | 1.8 | 2.3 | 2.7 | 3.1 | 3.5 | 3.3 | 2.9 | 2.6 | 2.3 | 2.0 | 1.8 | |
Heating Oil | 8.6 | 8.7 | 8.5 | 8.3 | 8.1 | 7.4 | 6.4 | 5.4 | 4.5 | 3.7 | 2.7 | 2.0 | 1.6 | 1.5 | 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 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | |
Wood | 1.5 | 1.4 | 1.3 | 1.6 | 1.8 | 1.7 | 1.8 | 1.8 | 1.8 | 1.8 | 1.4 | 1.2 | 1.1 | 1.0 | 0.8 | 0.7 | 0.6 | 0.5 | |
Total Single Attached Water Heater Stock (thousands) | 15.5 | 15.7 | 15.9 | 16.1 | 16.8 | 17.2 | 17.9 | 18.6 | 19.4 | 20.1 | 20.6 | 21.3 | 22.1 | 22.6 | 23.0 | 23.3 | 23.6 | 23.9 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 13.9 | 14.1 | 14.3 | 14.5 | 15.1 | 15.6 | 16.2 | 16.9 | 17.7 | 18.4 | 19.1 | 19.8 | 20.7 | 21.3 | 21.9 | 22.2 | 22.7 | 23.0 | |
Natural Gas | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.2 | 0.3 | 0.4 | 0.6 | 0.6 | 0.7 | 0.7 | 0.7 | 0.6 | 0.5 | 0.5 | 0.4 | |
Heating Oil | 1.3 | 1.4 | 1.4 | 1.3 | 1.4 | 1.3 | 1.1 | 1.0 | 0.9 | 0.7 | 0.6 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | |
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 | 0.0 | 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 | 0.1 | 0.1 | 0.1 | |
Wood | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | |
Shares (%) | |||||||||||||||||||
Electricity | 89.8 | 89.9 | 90.2 | 90.0 | 90.0 | 90.3 | 90.6 | 91.0 | 91.3 | 91.7 | 92.6 | 93.2 | 93.8 | 94.5 | 95.0 | 95.5 | 95.9 | 96.3 | |
Natural Gas | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.6 | 1.2 | 1.8 | 2.3 | 2.7 | 3.1 | 3.5 | 3.3 | 2.9 | 2.6 | 2.3 | 2.0 | 1.8 | |
Heating Oil | 8.6 | 8.7 | 8.5 | 8.3 | 8.1 | 7.4 | 6.4 | 5.4 | 4.5 | 3.7 | 2.7 | 2.0 | 1.6 | 1.5 | 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 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | |
Wood | 1.5 | 1.4 | 1.3 | 1.6 | 1.8 | 1.7 | 1.8 | 1.8 | 1.8 | 1.8 | 1.4 | 1.2 | 1.1 | 1.0 | 0.8 | 0.7 | 0.6 | 0.5 |