2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total Apartments Water Heater Stock (thousands) | 107.7 | 108.2 | 108.5 | 108.9 | 109.8 | 110.5 | 111.4 | 112.5 | 114.2 | 116.2 | 116.8 | 118.2 | 119.5 | 121.3 | 122.8 | 124.8 | 127.4 | 129.3 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 48.8 | 48.8 | 48.9 | 49.4 | 50.1 | 50.8 | 52.4 | 54.4 | 56.8 | 59.2 | 60.9 | 63.4 | 65.4 | 67.0 | 68.4 | 70.1 | 72.1 | 73.8 | |
Natural Gas | 57.8 | 58.2 | 58.3 | 58.4 | 58.4 | 58.2 | 57.5 | 56.7 | 56.1 | 55.7 | 54.8 | 54.0 | 53.6 | 53.9 | 54.0 | 54.3 | 54.9 | 55.2 | |
Heating Oil | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 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 | 0.4 | 0.4 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | |
Wood | 0.6 | 0.6 | 0.6 | 0.6 | 0.7 | 0.7 | 0.7 | 0.7 | 0.6 | 0.6 | 0.6 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 | |
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 Mobile Homes Water Heater Stock (thousands) | 10.1 | 10.2 | 10.3 | 10.4 | 10.5 | 10.6 | 10.7 | 10.8 | 10.9 | 11.0 | 11.1 | 11.2 | 11.3 | 11.4 | 11.4 | 11.5 | 11.6 | 11.6 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 4.6 | 4.6 | 4.6 | 4.7 | 4.8 | 4.9 | 5.0 | 5.2 | 5.4 | 5.6 | 5.8 | 6.0 | 6.2 | 6.3 | 6.4 | 6.5 | 6.5 | 6.6 | |
Natural Gas | 5.4 | 5.5 | 5.5 | 5.6 | 5.6 | 5.6 | 5.5 | 5.4 | 5.3 | 5.3 | 5.2 | 5.1 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | |
Heating Oil | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 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 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Wood | 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 | |
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 |