| 2000 | 2018 | 2019 | 2020 | 2021 | ||
|---|---|---|---|---|---|---|
| Total Space Heating GHG Emissions Excluding Electricity (Mt of CO2e) | 5.2 | 3.3 | 3.3 | 2.8 | 2.7 | |
GHG Emissions by System Type (Mt of CO2e) | ||||||
| Heating Oil – Normal Efficiency | 0.4 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Heating Oil – Medium Efficiency | 1.8 | 0.5 | 0.5 | 0.3 | 0.3 | |
| Heating Oil – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Natural Gas – Normal Efficiency | 0.8 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Natural Gas – Medium Efficiency | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | |
| Natural Gas – High Efficiency | 0.1 | 0.8 | 0.9 | 0.8 | 0.8 | |
| Electric | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Heat Pump | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Other2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | |
| Wood | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | |
Dual Systems | ||||||
| Wood/Electric | 0.6 | 0.9 | 0.9 | 0.8 | 0.7 | |
| Wood/Heating Oil | 0.6 | 0.3 | 0.3 | 0.3 | 0.3 | |
| Natural Gas/Electric | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | |
| Heating Oil/Electric | 0.6 | 0.4 | 0.4 | 0.3 | 0.3 | |
Shares (%) | ||||||
| Heating Oil – Normal Efficiency | 6.9 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Heating Oil – Medium Efficiency | 34.0 | 15.7 | 14.0 | 11.8 | 9.9 | |
| Heating Oil – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Natural Gas – Normal Efficiency | 15.1 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Natural Gas – Medium Efficiency | 1.7 | 3.3 | 3.5 | 3.4 | 3.5 | |
| Natural Gas – High Efficiency | 2.0 | 25.0 | 27.8 | 28.8 | 30.7 | |
| Electric | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Heat Pump | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Other2 | 1.2 | 3.0 | 3.2 | 2.9 | 2.9 | |
| Wood | 3.1 | 2.1 | 1.9 | 1.9 | 1.8 | |
Dual Systems | ||||||
| Wood/Electric | 12.4 | 28.1 | 26.2 | 27.8 | 27.2 | |
| Wood/Heating Oil | 11.3 | 9.2 | 9.2 | 9.2 | 9.3 | |
| Natural Gas/Electric | 1.1 | 2.9 | 3.3 | 3.4 | 3.7 | |
| Heating Oil/Electric | 11.4 | 10.6 | 10.9 | 10.8 | 11.1 | |
| GHG Intensity (tonne/TJ) | 27.2 | 15.2 | 14.9 | 13.9 | 14.0 | |
| Heat Gains (PJ) | 25.8 | 29.8 | 31.0 | 28.8 | 27.9 | |
| Heating Degree-Day Index | 0.97 | 0.97 | 1.00 | 0.87 | 0.84 | |
Footnotes:
1) Data on GHG emissions are presented excluding GHG emissions related to electricity production only.2) “Other” includes coal and propane.