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Guess How Much It Costs To Charge An iPhone 5 Per Year

Energy efficiency company Opower conducted a study to try and estimate the annual energy cost for charging the iPhone 5. Now I’m not sure what your thinking in your head but its probably less… try $0.41, per year! Obviously actual cost per user will vary based on usage and electricity rates, Opower’s estimate assumes you charge your iPhone once a day at the U.S. average of 11.8 cents per kWh.

 

     
            
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