2000 | 2018 | 2019 | 2020 | 2021 | ||
---|---|---|---|---|---|---|
Total Single Detached Water Heater Stock (thousands) | 869.3 | 998.5 | 1,005.6 | 1,011.6 | 1,018.6 | |
Water Heater Stock by Energy Source (thousands) | ||||||
Electricity | 354.6 | 421.4 | 426.8 | 431.9 | 437.3 | |
Natural Gas | 491.7 | 562.6 | 564.2 | 565.1 | 566.4 | |
Heating Oil | 11.8 | 3.7 | 3.5 | 3.3 | 3.1 | |
Steam | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Other1 | 4.3 | 7.1 | 7.5 | 7.8 | 8.2 | |
Wood | 6.9 | 3.7 | 3.6 | 3.6 | 3.6 | |
Shares (%) | ||||||
Electricity | 40.8 | 42.2 | 42.4 | 42.7 | 42.9 | |
Natural Gas | 56.6 | 56.3 | 56.1 | 55.9 | 55.6 | |
Heating Oil | 1.4 | 0.4 | 0.3 | 0.3 | 0.3 | |
Steam | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Other1 | 0.5 | 0.7 | 0.7 | 0.8 | 0.8 | |
Wood | 0.8 | 0.4 | 0.4 | 0.4 | 0.3 | |
Total Single Attached Water Heater Stock (thousands) | 167.9 | 255.9 | 260.9 | 266.0 | 272.4 | |
Water Heater Stock by Energy Source (thousands) | ||||||
Electricity | 68.5 | 108.0 | 110.7 | 113.6 | 117.0 | |
Natural Gas | 95.0 | 144.2 | 146.4 | 148.6 | 151.5 | |
Heating Oil | 2.3 | 1.0 | 0.9 | 0.9 | 0.8 | |
Steam | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Other1 | 0.8 | 1.8 | 1.9 | 2.1 | 2.2 | |
Wood | 1.3 | 1.0 | 0.9 | 0.9 | 1.0 | |
Shares (%) | ||||||
Electricity | 40.8 | 42.2 | 42.4 | 42.7 | 42.9 | |
Natural Gas | 56.6 | 56.3 | 56.1 | 55.9 | 55.6 | |
Heating Oil | 1.4 | 0.4 | 0.3 | 0.3 | 0.3 | |
Steam | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Other1 | 0.5 | 0.7 | 0.7 | 0.8 | 0.8 | |
Wood | 0.8 | 0.4 | 0.4 | 0.4 | 0.3 |