These figures do not include time or maintenance costs to purchase and change light bulbs or clean up.
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* 12¢ per kWh is based on National Average as released by the Energy Information Administration.
kWh cost will vary from area to area.
** Most people pay an average of 13.7¢ per kilowatt. Here is why ...
*** Based on an average of name brand manufacturers' life expectancy claims of 5,000 - 10,000 hours at 4 hours of usage per day.