2000 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | ||
---|---|---|---|---|---|---|---|---|
Total Single Detached Water Heater Stock (thousands) | 6,843 | 8,188 | 8,246 | 8,320 | 8,398 | 8,479 | 8,567 | |
Water Heater Stock by Energy Source (thousands) | ||||||||
Electricity | 3,094 | 3,765 | 3,809 | 3,856 | 3,893 | 3,931 | 3,973 | |
Natural Gas | 3,320 | 4,122 | 4,150 | 4,188 | 4,233 | 4,279 | 4,327 | |
Heating Oil | 359 | 217 | 201 | 186 | 180 | 174 | 169 | |
Other1 | 24 | 58 | 64 | 70 | 74 | 78 | 82 | |
Wood | 47 | 26 | 23 | 20 | 19 | 18 | 17 | |
Shares (%) | ||||||||
Electricity | 45.2 | 46.0 | 46.2 | 46.3 | 46.4 | 46.4 | 46.4 | |
Natural Gas | 48.5 | 50.3 | 50.3 | 50.3 | 50.4 | 50.5 | 50.5 | |
Heating Oil | 5.3 | 2.6 | 2.4 | 2.2 | 2.1 | 2.1 | 2.0 | |
Other1 | 0.3 | 0.7 | 0.8 | 0.8 | 0.9 | 0.9 | 1.0 | |
Wood | 0.7 | 0.3 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | |
Total Single Attached Water Heater Stock (thousands) | 1,285 | 1,811 | 1,845 | 1,882 | 1,915 | 1,950 | 1,987 | |
Water Heater Stock by Energy Source (thousands) | ||||||||
Electricity | 537 | 737 | 754 | 771 | 786 | 801 | 817 | |
Natural Gas | 682 | 1,018 | 1,037 | 1,058 | 1,076 | 1,096 | 1,116 | |
Heating Oil | 54 | 36 | 34 | 31 | 30 | 30 | 29 | |
Other1 | 5 | 15 | 17 | 18 | 19 | 21 | 22 | |
Wood | 8 | 5 | 4 | 4 | 4 | 4 | 3 | |
Shares (%) | ||||||||
Electricity | 41.8 | 40.7 | 40.9 | 41.0 | 41.0 | 41.1 | 41.1 | |
Natural Gas | 53.1 | 56.2 | 56.2 | 56.2 | 56.2 | 56.2 | 56.1 | |
Heating Oil | 4.2 | 2.0 | 1.8 | 1.7 | 1.6 | 1.5 | 1.5 | |
Other1 | 0.4 | 0.8 | 0.9 | 1.0 | 1.0 | 1.1 | 1.1 | |
Wood | 0.6 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |