Residential Sector
Nova Scotia
Table 8: Space Heating Secondary Energy Use by System Type
  1990   2010 2011 2012 2013 2014 2015
Total Space Heating Energy Use (PJ) 36.9   32.9 36.4 40.3 41.3 39.4 41.3

Energy Use by System Type (PJ)
Heating Oil – Normal Efficiency 18.2   0.5 0.6 0.7 0.6 0.4 0.2
Heating Oil – Medium Efficiency 0.8   10.7 12.7 13.2 12.4 11.7 12.4
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Medium Efficiency 0.0   0.1 0.0 0.0 0.0 0.1 0.1
Natural Gas – High Efficiency 0.0   0.1 0.1 0.1 0.1 0.1 0.2
Electric 2.8   7.0 7.4 9.8 11.8 12.7 13.1
Heat Pump 0.1   0.3 0.4 0.5 0.6 0.6 0.7
Other1 1.4   0.5 0.4 0.4 0.4 0.4 0.5
Wood 2.3   1.3 1.4 1.8 1.9 1.7 1.9

Dual Systems
Wood/Electric 6.8   7.2 7.5 7.7 7.6 6.4 7.0
Wood/Heating Oil 4.4   5.0 5.8 5.9 5.7 5.1 5.2
Natural Gas/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil/Electric 0.1   0.1 0.2 0.2 0.2 0.2 0.2

Shares (%)
Heating Oil – Normal Efficiency 49.4   1.6 1.6 1.8 1.5 1.0 0.6
Heating Oil – Medium Efficiency 2.2   32.7 35.0 32.8 29.9 29.7 30.0
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Normal Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Medium Efficiency 0.0   0.2 0.1 0.1 0.1 0.1 0.2
Natural Gas – High Efficiency 0.0   0.3 0.2 0.2 0.2 0.3 0.4
Electric 7.6   21.2 20.5 24.4 28.6 32.1 31.8
Heat Pump 0.4   1.0 1.0 1.2 1.4 1.6 1.6
Other1 3.8   1.5 1.0 1.0 1.0 1.0 1.2
Wood 6.2   4.1 3.8 4.4 4.7 4.3 4.6

Dual Systems
Wood/Electric 18.4   21.8 20.5 19.1 18.5 16.3 16.8
Wood/Heating Oil 11.8   15.3 15.9 14.6 13.7 13.1 12.6
Natural Gas/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil/Electric 0.2   0.4 0.5 0.5 0.4 0.5 0.4

Activity
Total Floor Space (million m2) 37.4   55.1 55.9 56.6 57.7 58.1 58.7
Energy Intensity (GJ/m2) 0.99   0.60 0.65 0.71 0.72 0.68 0.70
Heat Gains (PJ) 2.5   2.1 2.2 1.2 0.8 0.6 0.5
Heating Degree-Day Index 0.95   0.89 0.95 0.83 0.87 0.98 1.04

Footnotes:

1) “Other” includes coal and propane.