Residential Sector
Canada
Table 11: Space Heating GHG Emissions by System Type – Including Electricity-Related Emissions
  1990   2015 2016
Total Space Heating GHG Emissions Including Electricity (Mt of CO2e) 47.0   41.5 37.5

GHG Emissions by System Type (Mt of CO2e)
Heating Oil – Normal Efficiency 9.9   0.0 0.0
Heating Oil – Medium Efficiency 0.2   3.1 2.8
Heating Oil – High Efficiency 0.0   0.0 0.0
Natural Gas – Normal Efficiency 18.8   0.1 0.0
Natural Gas – Medium Efficiency 0.9   9.4 7.8
Natural Gas – High Efficiency 0.9   13.7 12.6
Electric 7.3   7.7 6.8
Heat Pump 0.4   0.9 0.8
Other1 1.2   0.8 1.0
Wood 0.9   0.7 0.7

Dual Systems
Wood/Electric 4.0   3.1 3.0
Wood/Heating Oil 1.9   1.2 1.1
Natural Gas/Electric 0.1   0.3 0.3
Heating Oil/Electric 0.5   0.5 0.5

Shares (%)
Heating Oil – Normal Efficiency 21.0   0.1 0.0
Heating Oil – Medium Efficiency 0.4   7.5 7.4
Heating Oil – High Efficiency 0.0   0.0 0.0
Natural Gas – Normal Efficiency 40.0   0.3 0.1
Natural Gas – Medium Efficiency 1.9   22.7 20.9
Natural Gas – High Efficiency 2.0   33.0 33.7
Electric 15.6   18.4 18.1
Heat Pump 0.9   2.2 2.1
Other1 2.5   2.0 2.6
Wood 1.8   1.6 1.8

Dual Systems
Wood/Electric 8.5   7.4 8.1
Wood/Heating Oil 4.1   2.9 2.9
Natural Gas/Electric 0.2   0.8 0.8
Heating Oil/Electric 1.2   1.2 1.4
GHG Intensity (tonne/TJ) 49.1   43.3 42.4
Heat Gains (PJ) 89.8   105.4 98.8
Heating Degree-Day Index 0.92   0.92 0.89

Footnotes:

1) “Other” includes coal and propane.