12.3 - LIGHTING CONTROLS
  Number of households by heated area (excluding garage)
56 to 93 square metres (601 to 1,000 square feet) 93 to 139 square metres (1,001 to 1,500 square feet) 139 to 186 square metres (1,501 to 2,000 square feet)
Number of light bulbs using a programmable timer control
One U 126,565 M 140,301 A
Two to three U 38,476 M 79,848 M
More than three U U U
None 1,796,925 A 1,604,499 A 1,996,097 A
Don't know U U U
Not stated 173,157 M 186,865 M 155,762 M
Number of light bulbs using a motion detector
One U 103,921 M 211,027 A
Two to three U 121,192 M 284,241 M
More than three U U 71,898 M
None 1,697,549 A 1,487,469 A 1,642,335 A
Don't know U U U
Not stated 345,399 M 245,649 M 213,391 A
Number of light bulbs using a light sensor
One U 56,978 M 96,807 M
Two to three U U 108,262 M
More than three U U U
None 1,712,120 A 1,530,294 A 1,911,868 A
Don't know U U U
Not stated 348,275 M 286,947 A 291,565 A

Note:

Due to rounding, the numbers may not add up and may differ slightly among tables.

Legend:

The letter beside each estimate classifies its quality as follows: A–Acceptable, M–Use with caution, U–Too unreliable to be published.

Source:

2011 Survey of Household Energy Use