Residential Sector
Nova Scotia1
Table 8: Space Heating Secondary Energy Use by System Type
  2000   2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
Total Space Heating Energy Use (PJ) 27.4   28.6 29.6 27.4 26.2 24.4 24.4 28.7 30.6 31.9 31.2 34.3 29.3 29.1 28.5 30.2 26.5 27.8

Energy Use by System Type (PJ)
Heating Oil – Normal Efficiency 8.1   7.7 7.1 5.7 4.4 3.2 2.6 2.4 1.9 1.1 0.7 0.7 0.4 0.3 0.2 0.1 0.1 0.0
Heating Oil – Medium Efficiency 7.6   9.1 10.4 10.4 9.6 9.0 9.7 12.2 13.4 14.1 14.8 16.7 13.3 11.9 11.1 11.3 9.0 9.5
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 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 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Medium Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.0 0.0 0.0 0.1 0.1 0.1 0.0
Natural Gas – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2
Electric 3.5   3.8 4.1 4.1 4.4 4.3 4.0 4.3 5.1 5.5 5.2 5.8 5.4 6.0 6.5 6.9 6.8 7.5
Heat Pump 0.3   0.3 0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.4 0.5 0.4 0.4 0.5 0.5 0.5 0.5
Other1 0.5   0.7 0.7 0.7 0.6 0.9 0.9 0.9 1.0 1.0 1.0 0.7 0.6 0.5 0.4 0.5 0.4 0.4
Wood 1.2   0.9 0.8 0.7 0.9 0.9 0.9 1.1 1.1 1.2 1.1 1.1 1.1 1.2 1.2 1.3 1.1 1.1

Dual Systems
Wood/Electric 3.2   3.0 2.8 2.5 3.0 3.1 3.1 4.0 3.9 4.2 3.8 4.2 4.1 4.8 4.7 5.4 4.9 4.8
Wood/Heating Oil 2.9   3.0 3.2 2.9 2.8 2.6 2.7 3.4 3.6 3.8 3.9 4.4 3.7 3.7 3.6 3.9 3.3 3.5
Natural Gas/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil/Electric 0.1   0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.1 0.1 0.1 0.1 0.1 0.1

Shares (%)
Heating Oil – Normal Efficiency 29.7   27.1 24.1 20.7 16.9 13.0 10.7 8.3 6.2 3.5 2.3 2.0 1.5 1.1 0.7 0.5 0.3 0.1
Heating Oil – Medium Efficiency 27.9   31.7 35.2 37.8 36.8 37.0 39.7 42.5 43.9 44.3 47.2 48.5 45.4 40.8 38.9 37.4 34.1 34.3
Heating Oil – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 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 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Natural Gas – Medium Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 0.2 0.1 0.1 0.2 0.2 0.2 0.2 0.2
Natural Gas – High Efficiency 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.6 0.4 0.2 0.2 0.3 0.4 0.5 0.6 0.6
Electric 12.8   13.3 13.7 14.8 16.6 17.6 16.4 14.9 16.6 17.1 16.7 16.9 18.4 20.7 22.9 22.9 25.7 27.1
Heat Pump 1.0   1.1 1.2 1.3 1.5 1.6 1.5 1.4 1.5 1.5 1.4 1.4 1.4 1.5 1.7 1.6 1.8 1.8
Other1 1.8   2.4 2.4 2.7 2.5 3.6 3.8 3.0 3.3 3.1 3.1 2.1 1.9 1.7 1.5 1.7 1.7 1.5
Wood 4.3   3.1 2.8 2.6 3.3 3.6 3.7 4.0 3.6 3.7 3.4 3.3 3.7 4.3 4.2 4.3 4.3 3.8

Dual Systems
Wood/Electric 11.5   10.4 9.6 9.1 11.4 12.7 12.8 13.8 12.8 13.3 12.3 12.2 14.0 16.4 16.6 17.7 18.5 17.4
Wood/Heating Oil 10.7   10.6 10.7 10.5 10.6 10.6 11.0 11.7 11.7 11.9 12.4 12.8 12.8 12.6 12.5 12.8 12.6 12.7
Natural Gas/Electric 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil/Electric 0.3   0.3 0.3 0.4 0.4 0.3 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.4 0.4 0.4 0.4 0.4

Activity
Total Floor Space (million m2) 46.4   47.1 47.9 48.9 49.8 50.7 51.6 52.5 53.4 54.2 55.0 55.9 56.7 57.6 58.2 58.8 59.5 60.3
Energy Intensity (GJ/m2) 0.59   0.61 0.62 0.56 0.53 0.48 0.47 0.55 0.57 0.59 0.57 0.61 0.52 0.51 0.49 0.51 0.44 0.46
Heat Gains (PJ) 2.5   2.7 2.9 2.8 2.8 2.7 2.4 2.4 2.7 2.7 2.4 2.5 2.2 2.3 2.4 2.4 2.3 2.4
Heating Degree-Day Index 0.94   0.94 0.97 0.99 1.02 0.94 0.83 0.81 0.99 1.02 0.89 0.95 0.83 0.87 0.98 1.04 0.96 1.04

Footnotes:

1) “Other” includes coal and propane.