2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total Apartments Water Heater Stock (thousands) | 1426.5 | 1434.1 | 1443.7 | 1459.6 | 1479.6 | 1502.1 | 1524.6 | 1547.2 | 1570.2 | 1591.2 | 1611.9 | 1634.1 | 1657.2 | 1678.7 | 1701.9 | 1721.1 | 1744.3 | 1768.9 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 1257.2 | 1267.6 | 1282.9 | 1302.7 | 1325.4 | 1351.0 | 1378.0 | 1403.8 | 1430.7 | 1455.9 | 1482.1 | 1511.3 | 1541.5 | 1570.8 | 1600.4 | 1625.1 | 1652.6 | 1680.8 | |
Natural Gas | 79.6 | 80.3 | 78.3 | 80.5 | 82.0 | 82.0 | 78.6 | 77.9 | 74.6 | 71.9 | 68.1 | 65.3 | 62.9 | 63.4 | 64.0 | 64.3 | 64.7 | 65.2 | |
Heating Oil | 84.5 | 81.1 | 77.1 | 71.7 | 67.8 | 63.5 | 61.4 | 58.4 | 57.1 | 55.2 | 53.2 | 49.0 | 45.3 | 37.5 | 31.1 | 25.7 | 21.2 | 17.5 | |
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 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 0.4 | 0.4 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 1.1 | 1.2 | 1.4 | |
Wood | 5.1 | 4.9 | 5.1 | 4.5 | 4.2 | 5.4 | 6.3 | 6.7 | 7.3 | 7.7 | 7.9 | 8.0 | 6.9 | 6.2 | 5.6 | 5.0 | 4.5 | 4.0 | |
Shares (%) | |||||||||||||||||||
Electricity | 88.1 | 88.4 | 88.9 | 89.3 | 89.6 | 89.9 | 90.4 | 90.7 | 91.1 | 91.5 | 92.0 | 92.5 | 93.0 | 93.6 | 94.0 | 94.4 | 94.7 | 95.0 | |
Natural Gas | 5.6 | 5.6 | 5.4 | 5.5 | 5.5 | 5.5 | 5.2 | 5.0 | 4.8 | 4.5 | 4.2 | 4.0 | 3.8 | 3.8 | 3.8 | 3.7 | 3.7 | 3.7 | |
Heating Oil | 5.9 | 5.7 | 5.3 | 4.9 | 4.6 | 4.2 | 4.0 | 3.8 | 3.6 | 3.5 | 3.3 | 3.0 | 2.7 | 2.2 | 1.8 | 1.5 | 1.2 | 1.0 | |
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 | 0.1 | 0.1 | 0.1 | 0.1 | |
Wood | 0.4 | 0.3 | 0.4 | 0.3 | 0.3 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.2 | |
Total Mobile Homes Water Heater Stock (thousands) | 40.4 | 40.3 | 40.5 | 40.8 | 41.3 | 41.5 | 42.0 | 42.4 | 42.8 | 43.2 | 43.6 | 43.9 | 44.2 | 44.4 | 44.6 | 44.8 | 44.9 | 45.1 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 35.6 | 35.6 | 36.0 | 36.4 | 37.0 | 37.4 | 37.9 | 38.5 | 39.0 | 39.5 | 40.1 | 40.6 | 41.1 | 41.5 | 41.9 | 42.3 | 42.5 | 42.8 | |
Natural Gas | 2.3 | 2.3 | 2.2 | 2.3 | 2.3 | 2.3 | 2.2 | 2.1 | 2.0 | 2.0 | 1.8 | 1.8 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | |
Heating Oil | 2.4 | 2.3 | 2.2 | 2.0 | 1.9 | 1.8 | 1.7 | 1.6 | 1.6 | 1.5 | 1.4 | 1.3 | 1.2 | 1.0 | 0.8 | 0.7 | 0.5 | 0.4 | |
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 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 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 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | |
Shares (%) | |||||||||||||||||||
Electricity | 88.1 | 88.4 | 88.9 | 89.3 | 89.6 | 89.9 | 90.4 | 90.7 | 91.1 | 91.5 | 92.0 | 92.5 | 93.0 | 93.6 | 94.0 | 94.4 | 94.7 | 95.0 | |
Natural Gas | 5.6 | 5.6 | 5.4 | 5.5 | 5.5 | 5.5 | 5.2 | 5.0 | 4.8 | 4.5 | 4.2 | 4.0 | 3.8 | 3.8 | 3.8 | 3.7 | 3.7 | 3.7 | |
Heating Oil | 5.9 | 5.7 | 5.3 | 4.9 | 4.6 | 4.2 | 4.0 | 3.8 | 3.6 | 3.5 | 3.3 | 3.0 | 2.7 | 2.2 | 1.8 | 1.5 | 1.2 | 1.0 | |
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 | 0.1 | 0.1 | 0.1 | 0.1 | |
Wood | 0.4 | 0.3 | 0.4 | 0.3 | 0.3 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.2 |