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#14
06-16-2003, 04:04 PM
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220W for 12 hours is 220*12 = 2640Wh or 2.64kWh.
2.64kWh * $0.055 = $0.145 per day Thus, approximately $4.30 per month for your lights. But that's assuming your 220W of light are only drawing 220W out the wall. I'm no EE or electrician so I can only offer simplistic explanations, but some of that energy is lost to heat, some of that energy is lost to resistance in the wiring, etc.
__________________
-- Tony My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee! 
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