Commercial/Institutional Sector
Alberta1
Table 26: Water Heating Secondary Energy Use and GHG Emissions by Energy Source
  1990   1991 1992 1993 1994 1995 1996 1997 1998
Total Water Heating Energy Use (PJ) 8.9   8.9 8.4 8.1 7.7 8.3 6.6 9.8 9.7

Energy Use by Energy Source (PJ)
Electricity 0.1   0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.5
Natural Gas 8.6   8.4 7.9 7.5 6.8 6.9 5.6 8.0 8.1
Light Fuel Oil and Kerosene 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Heavy Fuel Oil 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1
Steam 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other2 0.2   0.3 0.2 0.3 0.8 1.2 0.7 1.3 0.9

Shares (%)
Electricity 1.0   2.0 2.0 2.0 2.0 2.0 4.0 3.5 5.0
Natural Gas 96.5   94.3 94.8 93.3 87.7 83.1 85.2 82.2 84.1
Light Fuel Oil and Kerosene 0.3   0.4 0.4 0.4 0.3 0.2 0.3 0.3 0.4
Heavy Fuel Oil 0.2   0.2 0.2 0.1 0.2 0.4 0.3 0.4 1.5
Steam 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other2 1.9   3.1 2.7 4.2 9.8 14.3 10.2 13.6 9.0

Activity
Total Floor Space (million m2) 75.94   77.53 78.78 79.91 80.37 81.17 81.74 82.78 84.17
Energy Intensity (GJ/m2) 0.12   0.11 0.11 0.10 0.10 0.10 0.08 0.12 0.11
Total Water Heating GHG Emissions Excluding Electricity (Mt of CO2e) 0.5   0.4 0.4 0.4 0.4 0.4 0.3 0.5 0.5

GHG Emissions by Energy Source (Mt of CO2e)
Electricity  
Natural Gas 0.4   0.4 0.4 0.4 0.3 0.4 0.3 0.4 0.4
Light Fuel Oil and Kerosene 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Heavy Fuel Oil 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Steam 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other2 0.0   0.0 0.0 0.0 0.0 0.1 0.0 0.1 0.1
GHG Intensity (tonne/TJ) 51.1   50.7 50.6 50.5 50.5 51.5 51.2 50.6 49.8

Footnotes:

1) Data on GHG emissions are presented excluding GHG emissions related to electricity production.
2) “Other” includes coal and propane.