That coffee you're drinking while gazing at your iPad? It cost more than all the electricity needed to run those games, emails, videos and news stories for a year.
The annual cost to charge an iPad is just $1.36, at the U.S. average residential price of 11.49 cents per kilowatt-hour.
By comparison, a 60-watt compact fluorescent bulb costs $1.61, a desktop PC adds up to $28.21 and a refrigerator runs you $65.72.
But there's an even cheaper way to go than the iPad. EPRI calculated the cost of power needed to fuel an iPhone 4 for year: just 38 cents.
Read the whole story online here: The Associated Press:It costs just $1.36 to charge an iPad for a year
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