To calculate your savings, select the wattage and enter the number of bulbs you plan to switch to ENERGY STAR® qualified compact fluorescent light bulbs (CFLs):
Assumptions:
Average household uses 1,950 kWh annually for lighting.
Average cost of electricity 0.101/kWh
One kWh of electricity produces 1.535 lbs. of CO2.
One pound of coal produces 2.14 pounds of CO2.
