Residential Sector
Nova Scotia
Table 29: Single Detached and Single Attached Water Heater Stock by Energy Source
  1990   1999 2000 2001 2002 2003 2004 2005 2006
Total Single Detached Water Heater Stock (thousands) 222.9   255.4 256.5 258.6 261.0 264.5 267.1 269.9 272.4

Water Heater Stock by Energy Source (thousands)
Electricity 121.8   138.5 138.2 138.2 137.3 137.0 139.1 139.4 140.7
Natural Gas 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil 86.6   106.3 108.4 110.8 114.7 118.8 119.5 121.8 123.1
Steam 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other1 11.2   2.4 1.2 1.1 1.1 1.0 1.0 1.0 1.0
Wood 3.3   8.1 8.8 8.4 8.0 7.6 7.6 7.8 7.6

Shares (%)
Electricity 54.7   54.2 53.9 53.5 52.6 51.8 52.1 51.6 51.7
Natural Gas 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil 38.8   41.6 42.3 42.9 43.9 44.9 44.7 45.1 45.2
Steam 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other1 5.0   1.0 0.5 0.4 0.4 0.4 0.4 0.4 0.4
Wood 1.5   3.2 3.4 3.3 3.1 2.9 2.8 2.9 2.8
Total Single Attached Water Heater Stock (thousands) 19.1   23.5 23.8 24.0 24.3 24.8 25.3 25.8 26.3

Water Heater Stock by Energy Source (thousands)
Electricity 10.4   12.8 12.8 12.8 12.8 12.9 13.2 13.3 13.6
Natural Gas 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil 7.4   9.8 10.1 10.3 10.7 11.2 11.3 11.6 11.9
Steam 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other1 1.0   0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Wood 0.3   0.8 0.8 0.8 0.7 0.7 0.7 0.7 0.7

Shares (%)
Electricity 54.7   54.2 53.9 53.5 52.6 51.8 52.1 51.6 51.7
Natural Gas 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Heating Oil 38.8   41.6 42.3 42.9 43.9 44.9 44.7 45.1 45.2
Steam 0.0   0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Other1 5.0   1.0 0.5 0.4 0.4 0.4 0.4 0.4 0.4
Wood 1.5   3.2 3.4 3.3 3.1 2.9 2.8 2.9 2.8

Footnotes:

1) “Other” includes coal and propane.