2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total Apartments Water Heater Stock (thousands) | 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 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 119.3 | 119.9 | 120.2 | 120.6 | 123.2 | 124.4 | 126.0 | 128.6 | 130.9 | 134.1 | 137.6 | 141.4 | 146.1 | 151.9 | 156.4 | 160.4 | 165.0 | 168.8 | |
Natural Gas | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.3 | 0.7 | 1.1 | 1.4 | 1.7 | 1.9 | 2.2 | 2.1 | 1.9 | 1.7 | 1.5 | 1.5 | 1.6 | |
Heating Oil | 50.5 | 51.6 | 53.0 | 54.4 | 54.7 | 55.0 | 55.1 | 54.6 | 54.2 | 52.9 | 51.5 | 50.3 | 49.0 | 48.0 | 46.5 | 44.8 | 43.2 | 41.6 | |
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 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 | 0.6 | 0.6 | 0.7 | 0.8 | 0.9 | 1.0 | 1.1 | |
Wood | 4.7 | 4.4 | 4.2 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.4 | 4.3 | 4.1 | 3.9 | 3.7 | 3.4 | 3.1 | 2.8 | 2.6 | 2.3 | |
Shares (%) | |||||||||||||||||||
Electricity | 68.2 | 68.0 | 67.6 | 67.1 | 67.4 | 67.4 | 67.6 | 68.0 | 68.4 | 69.3 | 70.3 | 71.3 | 72.5 | 73.8 | 75.0 | 76.2 | 77.3 | 78.3 | |
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 | 28.9 | 29.2 | 29.8 | 30.3 | 30.0 | 29.8 | 29.5 | 28.9 | 28.3 | 27.3 | 26.3 | 25.4 | 24.3 | 23.3 | 22.3 | 21.3 | 20.3 | 19.3 | |
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 | 0.3 | 0.3 | 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 | 0.5 | |
Wood | 2.7 | 2.5 | 2.3 | 2.4 | 2.4 | 2.3 | 2.3 | 2.3 | 2.3 | 2.2 | 2.1 | 2.0 | 1.8 | 1.7 | 1.5 | 1.4 | 1.2 | 1.1 | |
Total Mobile Homes Water Heater Stock (thousands) | 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 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 24.6 | 24.7 | 24.9 | 25.1 | 25.4 | 25.7 | 26.0 | 26.4 | 26.9 | 27.4 | 28.1 | 28.6 | 29.3 | 30.0 | 30.6 | 31.2 | 31.8 | 32.3 | |
Natural Gas | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.5 | 0.6 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | |
Heating Oil | 10.1 | 10.3 | 10.5 | 10.8 | 10.9 | 10.9 | 10.9 | 10.7 | 10.5 | 10.2 | 9.9 | 9.5 | 9.2 | 8.8 | 8.5 | 8.1 | 7.7 | 7.4 | |
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 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | |
Wood | 0.9 | 0.9 | 0.8 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.8 | 0.8 | 0.7 | 0.7 | 0.6 | 0.5 | 0.5 | 0.4 | |
Shares (%) | |||||||||||||||||||
Electricity | 68.8 | 68.7 | 68.4 | 68.0 | 68.2 | 68.2 | 68.4 | 68.8 | 69.3 | 70.2 | 71.3 | 72.2 | 73.4 | 74.7 | 76.0 | 77.2 | 78.3 | 79.4 | |
Natural Gas | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.5 | 0.8 | 1.0 | 1.2 | 1.3 | 1.5 | 1.4 | 1.2 | 1.1 | 1.0 | 0.9 | 0.9 | |
Heating Oil | 28.2 | 28.5 | 29.0 | 29.4 | 29.2 | 28.9 | 28.5 | 27.8 | 27.2 | 26.1 | 25.0 | 24.1 | 23.0 | 22.1 | 21.1 | 20.1 | 19.1 | 18.1 | |
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 | 0.2 | 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 | 0.5 | |
Wood | 2.7 | 2.5 | 2.3 | 2.4 | 2.4 | 2.4 | 2.3 | 2.4 | 2.3 | 2.3 | 2.1 | 2.0 | 1.9 | 1.7 | 1.5 | 1.4 | 1.2 | 1.1 |