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Residential Sector
British Columbia and Territories1
Table 9: Space Heating GHG Emissions by System Type
  1990   2010 2011 2012 2013 2014 2015
Total Space Heating GHG Emissions Excluding Electricity (Mt of CO2e) 3.6   2.6 3.2 2.9 2.9 2.7 2.6

GHG Emissions by System Type (Mt of CO2e)
Heating Oil – Normal Efficiency 0.6   0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil – Medium Efficiency 0.0   0.1 0.1 0.1 0.1 0.1 0.1
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 2.1   0.2 0.2 0.1 0.0 0.0 0.0
Natural Gas – Medium Efficiency 0.1   1.1 1.4 1.3 1.3 1.2 1.1
Natural Gas – High Efficiency 0.1   0.7 1.0 1.0 1.0 1.1 1.1
Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Heat Pump 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Other2 0.1   0.1 0.1 0.1 0.1 0.1 0.1
Wood 0.1   0.0 0.0 0.0 0.0 0.0 0.0

Dual Systems
Wood/Electric 0.3   0.3 0.2 0.2 0.2 0.2 0.2
Wood/Heating Oil 0.1   0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas/Electric 0.0   0.0 0.1 0.1 0.1 0.1 0.0
Heating Oil/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0

Shares (%)
Heating Oil – Normal Efficiency 17.9   0.9 0.6 0.5 0.4 0.4 0.4
Heating Oil – Medium Efficiency 0.2   4.3 3.2 2.9 2.8 2.8 2.7
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 57.8   8.6 6.5 3.9 1.3 0.8 0.3
Natural Gas – Medium Efficiency 1.8   41.7 44.7 44.4 43.8 42.1 40.2
Natural Gas – High Efficiency 3.2   26.2 30.2 32.8 36.4 38.6 40.7
Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Heat Pump 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Other2 4.0   3.3 2.5 2.5 2.4 2.2 2.1
Wood 1.6   1.6 1.4 1.4 1.5 1.6 1.6

Dual Systems
Wood/Electric 9.4   9.6 7.8 8.4 8.5 8.8 9.2
Wood/Heating Oil 3.0   1.8 1.2 1.1 1.0 0.9 0.9
Natural Gas/Electric 0.7   1.6 1.7 1.8 1.8 1.8 1.8
Heating Oil/Electric 0.3   0.3 0.2 0.1 0.1 0.1 0.1
GHG Intensity (tonne/TJ) 40.9   32.1 33.2 32.5 32.2 32.8 33.0
Heat Gains (PJ) 8.0   9.5 10.8 10.4 10.2 9.0 8.6
Heating Degree-Day Index 0.97   0.88 0.99 0.96 0.92 0.88 0.83

Footnotes:

1) Data on GHG emissions are presented excluding GHG emissions related to electricity production only.
2) “Other” includes coal and propane.