Energy Examples

 

 

Light bulb Use Analysis

  Incandescent CFL Halogen LED
Price/bulb $0.40 $2.60 $3.00 $45.00
Lifetime in hours 1,500 10,000 2,000 60,000
Lumens 850 850 850 120
Watts 60 13 60 2.5
Cost/1500 hours $9.45 $2.04 $9.45 $0.39
10 Year Cost $197.00 $48.60 $234.00 $52.80

Assumes 3000 hours use/year, electricity costs ¢10.5/kilowatt-hour