2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total Apartments Water Heater Stock (thousands) | 82.8 | 83.8 | 84.8 | 85.9 | 87.3 | 88.2 | 89.3 | 90.5 | 91.8 | 92.8 | 93.7 | 94.7 | 95.9 | 98.1 | 99.3 | 100.5 | 102.0 | 103.6 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 44.6 | 44.8 | 44.6 | 44.5 | 45.5 | 45.5 | 46.1 | 47.1 | 48.3 | 50.0 | 51.5 | 53.2 | 55.5 | 58.5 | 60.9 | 63.2 | 65.6 | 68.1 | |
Natural Gas | 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 | 0.2 | 0.4 | |
Heating Oil | 35.0 | 35.9 | 37.3 | 38.6 | 39.1 | 39.8 | 40.4 | 40.4 | 40.6 | 39.9 | 39.2 | 38.4 | 37.4 | 36.8 | 35.7 | 34.7 | 33.6 | 32.6 | |
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 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 | 0.6 | 0.7 | 0.8 | 0.9 | |
Wood | 2.8 | 2.7 | 2.6 | 2.5 | 2.5 | 2.5 | 2.5 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.5 | 2.3 | 2.1 | 2.0 | 1.8 | 1.7 | |
Shares (%) | |||||||||||||||||||
Electricity | 53.9 | 53.5 | 52.6 | 51.8 | 52.1 | 51.6 | 51.7 | 52.1 | 52.5 | 53.8 | 55.0 | 56.2 | 57.9 | 59.6 | 61.3 | 62.9 | 64.3 | 65.7 | |
Natural Gas | 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 | 0.2 | 0.4 | |
Heating Oil | 42.3 | 42.9 | 43.9 | 44.9 | 44.7 | 45.1 | 45.2 | 44.7 | 44.2 | 43.0 | 41.8 | 40.6 | 39.0 | 37.5 | 36.0 | 34.5 | 32.9 | 31.4 | |
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 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 | 0.6 | 0.7 | 0.8 | 0.8 | |
Wood | 3.4 | 3.3 | 3.1 | 2.9 | 2.8 | 2.9 | 2.8 | 2.9 | 2.9 | 2.8 | 2.8 | 2.7 | 2.6 | 2.4 | 2.2 | 2.0 | 1.8 | 1.7 | |
Total Mobile Homes Water Heater Stock (thousands) | 15.5 | 15.6 | 15.8 | 16.0 | 16.1 | 16.3 | 16.4 | 16.6 | 16.7 | 16.8 | 16.9 | 17.0 | 17.1 | 17.2 | 17.3 | 17.3 | 17.4 | 17.4 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 8.3 | 8.3 | 8.3 | 8.3 | 8.4 | 8.4 | 8.5 | 8.6 | 8.8 | 9.0 | 9.3 | 9.6 | 9.9 | 10.3 | 10.6 | 10.9 | 11.2 | 11.5 | |
Natural Gas | 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 | 0.1 | |
Heating Oil | 6.5 | 6.7 | 6.9 | 7.2 | 7.2 | 7.3 | 7.4 | 7.4 | 7.4 | 7.2 | 7.1 | 6.9 | 6.7 | 6.5 | 6.2 | 6.0 | 5.7 | 5.5 | |
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 | 0.1 | 0.1 | 0.1 | |
Wood | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | |
Shares (%) | |||||||||||||||||||
Electricity | 53.9 | 53.5 | 52.6 | 51.8 | 52.1 | 51.6 | 51.7 | 52.1 | 52.5 | 53.8 | 55.0 | 56.2 | 57.9 | 59.6 | 61.3 | 62.9 | 64.3 | 65.7 | |
Natural Gas | 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 | 0.2 | 0.4 | |
Heating Oil | 42.3 | 42.9 | 43.9 | 44.9 | 44.7 | 45.1 | 45.2 | 44.7 | 44.2 | 43.0 | 41.8 | 40.6 | 39.0 | 37.5 | 36.0 | 34.5 | 32.9 | 31.4 | |
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 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 | 0.6 | 0.7 | 0.8 | 0.8 | |
Wood | 3.4 | 3.3 | 3.1 | 2.9 | 2.8 | 2.9 | 2.8 | 2.9 | 2.9 | 2.8 | 2.8 | 2.7 | 2.6 | 2.4 | 2.2 | 2.0 | 1.8 | 1.7 |