CFL Light Bulbs Facts

IncandescentCFLLED
Approximate cost per bulb$1$2$8 or less
Average lifespan1,200 hours8,000 hours25,000 hours
Watts used60W14W10W
No. of bulbs needed for 25,000 hours of use2131
Total purchase price of bulbs over 23 years$21$6$8
Total cost of electricity used (25,000 hours at $0.12 per kWh)$180$42$30
Total operational cost over 23 years$201$48$38