Residential Sector
Ontario1
Table 6: Space Heating Secondary Energy Use and GHG Emissions by Building Type
  1990   1991 1992 1993 1994 1995 1996 1997 1998
Total Space Heating Energy Use (PJ) 356.2   350.5 373.5 392.7 405.6 386.9 413.1 389.3 315.7

Energy Use by Building Type (PJ)
Single Detached 268.6   263.4 279.7 295.3 304.3 289.9 309.0 292.0 237.8
Single Attached 38.7   38.8 41.9 43.6 45.4 43.6 47.1 44.3 35.5
Apartments 45.9   45.4 48.9 50.7 52.8 50.5 54.1 50.4 40.2
Mobile Homes 3.1   2.9 3.1 3.1 3.1 2.9 2.9 2.7 2.1

Shares (%)
Single Detached 75.4   75.1 74.9 75.2 75.0 74.9 74.8 75.0 75.3
Single Attached 10.9   11.1 11.2 11.1 11.2 11.3 11.4 11.4 11.2
Apartments 12.9   13.0 13.1 12.9 13.0 13.0 13.1 12.9 12.8
Mobile Homes 0.9   0.8 0.8 0.8 0.8 0.7 0.7 0.7 0.7

Activity
Total Floor Space (million m2) 481.0   502.3 519.4 536.9 549.5 555.6 562.4 568.4 576.5
Energy Intensity (GJ/m2) 0.74   0.70 0.72 0.73 0.74 0.70 0.73 0.68 0.55
Total Space Heating GHG Emissions Excluding Electricity (Mt of CO2e) 14.9   14.5 15.5 16.5 17.0 16.2 18.0 16.7 13.2

GHG Emissions by Building Type (Mt of CO2e)
Single Detached 11.2   10.8 11.5 12.3 12.7 12.1 13.4 12.4 9.8
Single Attached 1.7   1.6 1.8 1.9 1.9 1.8 2.1 1.9 1.5
Apartments 2.0   1.9 2.1 2.2 2.3 2.1 2.4 2.2 1.7
Mobile Homes 0.1   0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
GHG Intensity (tonne/TJ) 41.9   41.4 41.5 42.0 41.9 41.8 43.7 42.8 41.8
Heating Degree-Day Index 0.89   0.90 1.00 1.01 0.99 0.99 1.04 0.98 0.79

Footnotes:

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