Lamp Choices: Energy Usage and Cost Breakdown

Bulb Types
(approx. 800 lumens)
 Life Costs Year 1 Cost Annually Total Costs
over 10 years
Standard Incandescent
60W
 1 yr Bulb Cost
Energy Cost
Total Cost		 $0.50
$8.02
$8.52		 $0.50
$8.02
$8.52		 $5.00
$80.15
$85.15
Halogen Incandescent
43W
 1 yr Bulb Cost
Energy Cost
Total Cost		 $1.50
$5.74
$7.24		 $1.50
$5.74
$7.24		 $15.00
$57.44
$72.44
CFL 13W 9 yrs Bulb Cost
Energy Cost
Total Cost		 $3.00
$1.74
$4.74		 $0.00
$1.74
$1.74		 $6.00
$17.37
$23.37
LED 10W 23 yrs Bulb Cost
Energy Cost
Total Cost		 $13.00
$1.34
$14.34		 $0.00
$1.34
$1.34		 $13.00
$13.40
$26.40

Source: Natural Resources Defense Council