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) | 734.0 | 750.5 | 770.4 | 791.3 | 811.2 | 833.6 | 857.0 | 883.0 | 903.1 | 915.6 | 931.7 | 945.0 | 958.4 | 974.1 | 989.9 | 1,006.0 | 1,016.8 | 1,027.3 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 44.8 | 46.1 | 45.0 | 49.7 | 51.2 | 53.6 | 56.6 | 61.5 | 65.6 | 70.5 | 70.7 | 75.9 | 80.0 | 85.1 | 90.3 | 95.9 | 101.3 | 106.9 | |
Natural Gas | 679.8 | 695.4 | 716.7 | 732.5 | 747.9 | 766.0 | 784.8 | 805.1 | 820.1 | 826.5 | 842.4 | 852.4 | 862.5 | 874.2 | 885.4 | 896.5 | 902.6 | 908.1 | |
Heating Oil | 3.4 | 3.8 | 3.6 | 3.9 | 5.1 | 5.9 | 6.6 | 7.0 | 7.6 | 8.3 | 8.5 | 7.9 | 7.8 | 7.7 | 7.5 | 7.3 | 7.1 | 6.9 | |
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 | 5.2 | 4.5 | 4.3 | 4.6 | 6.1 | 7.0 | 7.8 | 8.1 | 8.4 | 8.7 | 8.4 | 7.1 | 6.4 | 5.6 | 5.0 | 4.5 | 4.1 | 3.7 | |
Wood | 0.8 | 0.7 | 0.7 | 0.7 | 1.0 | 1.1 | 1.2 | 1.3 | 1.5 | 1.6 | 1.7 | 1.6 | 1.6 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | |
Shares (%) | |||||||||||||||||||
Electricity | 6.1 | 6.1 | 5.8 | 6.3 | 6.3 | 6.4 | 6.6 | 7.0 | 7.3 | 7.7 | 7.6 | 8.0 | 8.4 | 8.7 | 9.1 | 9.5 | 10.0 | 10.4 | |
Natural Gas | 92.6 | 92.7 | 93.0 | 92.6 | 92.2 | 91.9 | 91.6 | 91.2 | 90.8 | 90.3 | 90.4 | 90.2 | 90.0 | 89.7 | 89.4 | 89.1 | 88.8 | 88.4 | |
Heating Oil | 0.5 | 0.5 | 0.5 | 0.5 | 0.6 | 0.7 | 0.8 | 0.8 | 0.8 | 0.9 | 0.9 | 0.8 | 0.8 | 0.8 | 0.8 | 0.7 | 0.7 | 0.7 | |
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 | 0.7 | 0.6 | 0.6 | 0.6 | 0.7 | 0.8 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.8 | 0.7 | 0.6 | 0.5 | 0.4 | 0.4 | 0.4 | |
Wood | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | |
Total Single Attached Water Heater Stock (thousands) | 133.7 | 137.1 | 141.5 | 146.4 | 151.8 | 157.0 | 162.3 | 168.6 | 175.4 | 180.0 | 185.2 | 190.2 | 196.0 | 203.4 | 211.5 | 221.3 | 229.0 | 235.4 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 8.2 | 8.4 | 8.3 | 9.2 | 9.6 | 10.1 | 10.7 | 11.8 | 12.7 | 13.9 | 14.1 | 15.3 | 16.4 | 17.8 | 19.3 | 21.1 | 22.8 | 24.5 | |
Natural Gas | 123.8 | 127.0 | 131.7 | 135.5 | 140.0 | 144.3 | 148.7 | 153.7 | 159.3 | 162.5 | 167.4 | 171.5 | 176.4 | 182.5 | 189.2 | 197.2 | 203.3 | 208.0 | |
Heating Oil | 0.6 | 0.7 | 0.7 | 0.7 | 1.0 | 1.1 | 1.2 | 1.3 | 1.5 | 1.6 | 1.7 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | |
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 | 0.9 | 0.8 | 0.8 | 0.9 | 1.1 | 1.3 | 1.5 | 1.5 | 1.6 | 1.7 | 1.7 | 1.4 | 1.3 | 1.2 | 1.1 | 1.0 | 0.9 | 0.8 | |
Wood | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.4 | 0.4 | 0.4 | |
Shares (%) | |||||||||||||||||||
Electricity | 6.1 | 6.1 | 5.8 | 6.3 | 6.3 | 6.4 | 6.6 | 7.0 | 7.3 | 7.7 | 7.6 | 8.0 | 8.4 | 8.7 | 9.1 | 9.5 | 10.0 | 10.4 | |
Natural Gas | 92.6 | 92.7 | 93.0 | 92.6 | 92.2 | 91.9 | 91.6 | 91.2 | 90.8 | 90.3 | 90.4 | 90.2 | 90.0 | 89.7 | 89.4 | 89.1 | 88.8 | 88.4 | |
Heating Oil | 0.5 | 0.5 | 0.5 | 0.5 | 0.6 | 0.7 | 0.8 | 0.8 | 0.8 | 0.9 | 0.9 | 0.8 | 0.8 | 0.8 | 0.8 | 0.7 | 0.7 | 0.7 | |
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 | 0.7 | 0.6 | 0.6 | 0.6 | 0.7 | 0.8 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.8 | 0.7 | 0.6 | 0.5 | 0.4 | 0.4 | 0.4 | |
Wood | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |