LED Light Bulbs

Bulb Type Incandescent Compact Fluorescent LED
Bulb Cost $0.50 ~$5.00 $19.95
Energy Used 60 watts 14 watts 7 watts
Efficiency 14 lumens/watt 60 lumens/watt 64 lumens/watt
Bulb Life ~1000 hrs 7000-10000 hrs > 10000 hrs
Electricity Cost (Johnson County REMC) $0.13 per kWh $0.13 per kWh $0.13 per kWh
Yearly Cost @ 3 hrs/day $8.54 $1.99 $1.00
Yearly Cost @ 8 hrs/day $22.78 $5.31 $2.66
10 Year Total Cost @ 3 hrs/day $90.90 $29.90 $29.95
10 Year Total Cost @ 8 hrs/day $242.30 $73.10 $86.45
Time Needed to Recapture Cost of Bulb (3 hrs/day) N/A < 1 year 3 years
Time Needed to Recapture Cost of Bulb @ (8 hrs/day) N/A < 1 year 1 year
Other Advantages Instantly bright No fragile filament Instantly bright, no fragile, filament, bulb remains cool
Other Disadvantages Fragile filament, bulb becomes hot to touch Contains mercury, takes 15-30 minutes to reach brightness, bulb becomes hot to touch None