Residential Lighting Study from DOE

New lighting study from DOE, as written up by the agency’s solid-state lighting people:

estimated daily hours of use (HOU) per lamp averaged 1.6 hours for all lamps in the U.S., and regional averages were lowest in Missouri and Virginia (<1.5 hours/day) and highest in Massachusetts, New York, Texas, Oklahoma, Arkansas, and Louisiana (>1.6 hours/day).

However, this depended on where the lamp was deployed. For example, exterior lamps averaged close to 3 HOU/day, while hallway lamps averaged less than 1 hour. Lamps in bedrooms, bathrooms, living rooms, and kitchens consumed the most energy, on average, of all spaces within a home.

 

Source: http://electricalcontractor.com/?p=10501

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