Residential Sector
Territories
Table 30: Apartments and Mobile Homes Water Heater Stock by Energy Source
  1990   1999 2000 2001 2002 2003 2004 2005 2006
Total Apartments Water Heater Stock (thousands) 5.0   5.7 5.7 5.9 6.2 6.4 6.6 6.8 6.9

Water Heater Stock by Energy Source (thousands)
Electricity 3.1   3.9 4.0 4.3 4.7 4.8 4.8 4.8 4.7
Natural Gas 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil 1.9   1.9 1.8 1.6 1.5 1.6 1.8 2.0 2.3
Steam 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other1 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Wood 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

Shares (%)
Electricity 62.1   67.2 69.1 73.1 75.3 74.7 72.8 71.0 67.4
Natural Gas 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil 37.9   32.8 30.9 26.9 24.7 25.3 27.2 29.0 32.6
Steam 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other1 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Wood 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Total Mobile Homes Water Heater Stock (thousands) 3.0   2.9 2.9 2.9 2.9 2.9 3.0 3.0 3.1

Water Heater Stock by Energy Source (thousands)
Electricity 1.9   1.9 2.0 2.1 2.2 2.2 2.2 2.1 2.1
Natural Gas 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil 1.1   0.9 0.9 0.8 0.7 0.7 0.8 0.9 1.0
Steam 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other1 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Wood 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

Shares (%)
Electricity 62.1   67.2 69.1 73.1 75.3 74.7 72.8 71.0 67.4
Natural Gas 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil 37.9   32.8 30.9 26.9 24.7 25.3 27.2 29.0 32.6
Steam 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other1 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Wood 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

Footnotes:

1) “Other” includes coal and propane.