Not that I am the most energy conservative person in the world, anyone who knows me will say that I could be considered a pretty large user of electricity; but I came across a chart that astonished me. If you read below you will see the amount of money that can be saved by just changing 1 lightbulb in your home to one of those funnly looking fluorescent ones.
Two hours per day is 730 hours per year. Multiply by the cents-per-kWh calculated below. The compact fluorescent costs $3.43 to operate for a year, while the incandescent costs $14.89. That is a savings of $11.46 per year. Now I know that $11.46 isn't a lot, under $1.00 per month, BUT if you multiply that by the 15 or so bulbs you have in your home than the savings becomes something worth paying attention to. This is something that can be done that will have zero negative impact, you won't have to give up anything, no dieting necessary, to make a change that helps your pocketbook!!
So here's the equation using EPA facts and figures, including an average electricity cost of 20.4 cents per kilowatt-hour (kWh) for electricity. This is over the 12,000-hour lifetime of a 15-watt compact fluorescent bulb, which is equivalent to 12 1000-hour lifetime 60-watt incandescent bulbs:
Bulb with Electric rates @ 20.4c/kWh
Incandescent Compact Fluorescent
Lifetime usage 720 kWh 180 kWh
Lifetime electricity cost $146.80 $36.72
Replacement cost $6 (50 cents each) $3.50
Total cost $152.80 $40.22
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