The annual cost to charge an iPad is $1.36, according to the Electric Power Research Institute, a nonprofit research and development group funded by electric utilities.

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.

These cost were calculated using the U.S. average residential price of 11.49 cents per kilowatt-hour.

In case you were wondering if you were a customer of Realgy Energy Services, charging your iPod would only cost you about $.96 annually at a rate of 8.1 cents per kilowatt-hour.

Check out the rest of the article to find out more Energy Costs of Ordinary Items