| 2000 | 2018 | 2019 | 2020 | 2021 | ||
|---|---|---|---|---|---|---|
| Total Mobile Homes Heating System Stock (thousands) | 15.5 | 17.5 | 17.6 | 17.7 | 17.8 | |
Heating System Stock by Heating System Type (thousands) | ||||||
| Heating Oil – Normal Efficiency | 4.4 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Heating Oil – Medium Efficiency | 4.2 | 5.8 | 5.7 | 5.6 | 5.6 | |
| Heating Oil – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Natural Gas – Normal Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Natural Gas – Medium Efficiency | 0.2 | 0.5 | 0.5 | 0.5 | 0.5 | |
| Natural Gas – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Electric | 3.8 | 8.8 | 8.9 | 9.1 | 9.2 | |
| Heat Pump | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Other1 | 0.3 | 0.4 | 0.4 | 0.4 | 0.4 | |
| Wood | 1.4 | 0.7 | 0.7 | 0.7 | 0.6 | |
Dual Systems | ||||||
| Wood/Electric | 0.3 | 0.4 | 0.4 | 0.4 | 0.4 | |
| Wood/Heating Oil | 0.8 | 1.0 | 1.0 | 1.0 | 1.0 | |
| Natural Gas/Electric | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Heating Oil/Electric | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Shares (%) | ||||||
| Heating Oil – Normal Efficiency | 28.7 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Heating Oil – Medium Efficiency | 27.4 | 32.9 | 32.6 | 31.6 | 31.3 | |
| Heating Oil – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Natural Gas – Normal Efficiency | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Natural Gas – Medium Efficiency | 1.1 | 2.7 | 2.9 | 3.0 | 3.1 | |
| Natural Gas – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Electric | 24.6 | 50.1 | 50.5 | 51.4 | 51.8 | |
| Heat Pump | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | |
| Other1 | 2.0 | 2.3 | 2.3 | 2.4 | 2.5 | |
| Wood | 8.9 | 4.2 | 4.0 | 3.8 | 3.6 | |
Dual Systems | ||||||
| Wood/Electric | 1.8 | 2.0 | 2.0 | 2.0 | 2.0 | |
| Wood/Heating Oil | 5.0 | 5.6 | 5.6 | 5.6 | 5.6 | |
| Natural Gas/Electric | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Heating Oil/Electric | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |