Residential Sector
Nova Scotia1
Table 7: Space Heating Secondary Energy Use and GHG Emissions by Vintage
  2000   2018 2019 2020 2021
Total Space Heating Energy Use (PJ) 27.4   28.5 28.2 26.0 24.1

Energy Use by Vintage (PJ)
Before 1946 9.2   7.6 7.4 6.8 6.2
1946–1960 2.9   2.5 2.4 2.2 2.0
1961–1977 4.3   3.5 3.4 3.1 2.8
1978–1983 3.1   2.6 2.5 2.3 2.1
1984–1995 6.2   5.2 5.1 4.6 4.3
1996–2000 1.7   1.6 1.5 1.4 1.3
2001–2005 0.0   1.8 1.8 1.7 1.5
2006–2010 0.0   1.6 1.6 1.5 1.4
2011–2015 0.0   1.4 1.4 1.3 1.2
2016_2020 0.0   0.8 1.0 1.2 1.1
2021_after 0.0   0.0 0.0 0.0 0.2

Shares (%)
Before 1946 33.4   26.8 26.4 26.0 25.6
1946–1960 10.7   8.6 8.5 8.4 8.3
1961–1977 15.7   12.2 12.1 11.9 11.7
1978–1983 11.3   9.1 9.0 8.9 8.8
1984–1995 22.6   18.2 18.0 17.8 17.7
1996–2000 6.2   5.5 5.4 5.4 5.4
2001–2005 0.0   6.4 6.4 6.4 6.4
2006–2010 0.0   5.7 5.6 5.6 5.6
2011–2015 0.0   4.9 4.9 4.9 4.9
2016_2020 0.0   2.7 3.7 4.6 4.6
2021_after 0.0   0.0 0.0 0.0 1.0

Activity
Total Floor Space (million m2) 46.4   61.1 62.0 62.7 63.5
Energy Intensity (GJ/m2) 0.59   0.47 0.45 0.42 0.38
Total Space Heating GHG Emissions Excluding Electricity (Mt of CO2e) 1.4   1.1 1.1 1.0 0.9

GHG Emissions by Vintage (Mt of CO2e)
Before 1946 0.5   0.3 0.3 0.3 0.2
1946–1960 0.1   0.1 0.1 0.1 0.1
1961–1977 0.2   0.1 0.1 0.1 0.1
1978–1983 0.2   0.1 0.1 0.1 0.1
1984–1995 0.3   0.2 0.2 0.2 0.2
1996–2000 0.1   0.1 0.1 0.1 0.1
2001–2005 0.0   0.1 0.1 0.1 0.1
2006–2010 0.0   0.1 0.1 0.1 0.1
2011–2015 0.0   0.1 0.1 0.0 0.0
2016_2020 0.0   0.0 0.0 0.0 0.0
2021_after 0.0   0.0 0.0 0.0 0.0
GHG Intensity (tonne/TJ) 50.7   38.8 39.2 38.9 38.3
Heating Degree-Day Index 0.94   0.96 1.00 0.87 0.81

Footnotes:

1) Data on GHG emissions are presented excluding GHG emissions related to electricity production only.