Commercial/Institutional Sector
Canada
Table 20: Offices1 Secondary Energy Use and GHG Emissions by End Use
  1990   2011 2012 2013 2014 2015
Total Energy Use for Offices1 (PJ) 234.5   341.3 329.1 347.9 364.1 355.7

Energy Use by End Use (PJ)
Space Heating 142.5   189.5 174.7 193.2 206.2 196.3
Water Heating 18.2   26.8 26.5 26.8 26.8 26.5
Auxiliary Equipment 18.2   44.8 45.3 48.8 49.6 51.0
Auxiliary Motors 19.0   22.0 21.9 22.7 23.0 21.0
Lighting 26.7   38.5 39.0 40.0 41.1 40.2
Space Cooling 9.9   19.7 21.8 16.5 17.4 20.7

Shares (%)
Space Heating 60.8   55.5 53.1 55.5 56.6 55.2
Water Heating 7.7   7.9 8.0 7.7 7.4 7.5
Auxiliary Equipment 7.8   13.1 13.8 14.0 13.6 14.4
Auxiliary Motors 8.1   6.5 6.7 6.5 6.3 5.9
Lighting 11.4   11.3 11.8 11.5 11.3 11.3
Space Cooling 4.2   5.8 6.6 4.7 4.8 5.8

Activity
Floor Space (million m2) 193.95   297.66 302.35 304.65 305.68 308.66
Energy Intensity (GJ/m2) 1.21   1.15 1.09 1.14 1.19 1.15
Total GHG Emissions for Offices1 Including Electricity (Mt of CO2e) 12.9   16.4 15.3 16.2 16.4 15.8

GHG Emissions by End Use (Mt of CO2e)
Space Heating 7.7   9.6 8.8 9.6 10.1 9.6
Water Heating 1.0   1.4 1.4 1.4 1.4 1.3
Auxiliary Equipment 1.0   2.0 1.9 2.0 1.9 1.9
Auxiliary Motors 1.1   0.9 0.9 0.9 0.9 0.8
Lighting 1.5   1.6 1.5 1.6 1.5 1.5
Space Cooling 0.6   0.8 0.9 0.7 0.7 0.8

Shares (%)
Space Heating 60.0   58.8 57.7 59.6 61.7 60.4
Water Heating 7.7   8.4 8.8 8.4 8.2 8.4
Auxiliary Equipment 8.0   11.9 12.1 12.4 11.6 12.2
Auxiliary Motors 8.3   5.7 5.7 5.6 5.2 4.8
Lighting 11.6   10.0 10.1 9.9 9.3 9.3
Space Cooling 4.3   5.2 5.7 4.1 4.0 4.9
GHG Intensity (tonne/TJ) 54.9   48.0 46.6 46.4 45.1 44.5
Total GHG Emissions for Offices1 Excluding Electricity (Mt of CO2e) 8.2   10.5 9.9 10.3 10.8 10.3

GHG Emissions by End Use (Mt of CO2e)
Space Heating 7.2   9.0 8.4 8.8 9.3 8.8
Water Heating 0.9   1.3 1.3 1.3 1.3 1.2
Auxiliary Equipment 0.1   0.2 0.2 0.2 0.2 0.2
Auxiliary Motors 0.0   0.0 0.0 0.0 0.0 0.0
Lighting 0.0   0.0 0.0 0.0 0.0 0.0
Space Cooling 0.0   0.1 0.1 0.0 0.1 0.1

Shares (%)
Space Heating 87.4   85.0 84.4 85.1 85.9 85.2
Water Heating 11.6   12.6 13.1 12.5 11.8 12.2
Auxiliary Equipment 0.8   1.7 1.9 1.9 1.8 2.0
Auxiliary Motors 0.0   0.0 0.0 0.0 0.0 0.0
Lighting 0.0   0.0 0.0 0.0 0.0 0.0
Space Cooling 0.2   0.7 0.6 0.5 0.5 0.6
GHG Intensity (tonne/TJ) 34.9   30.9 30.1 29.6 29.7 28.9

Footnotes:

1) “Offices” includes activities related to finance and insurance; real estate and rental and leasing; professional, scientific and technical services; public administration; and others.