Power-Hungry Devices - NYTimes.com

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did you realize that television set-top boxes are not really off when you think they are off. "A study by the Natural Resources Defense Council found that in 2010, the 160 million set-top boxes around the country consumed about 27 billion kilowatt-hours of electricity, roughly the annual output of nine coal-fired power plants, costing consumers $3 billion. Together, a set-top box and a high definition video recorder can consume as much power as good-sized refrigerator....In Europe, where power costs more, manufacturers include a deep-sleep function that allows the box to save power when idle. American companies are hesitant to embrace the sleep-function technology because these machines could take several minutes to reboot.But power management in set-top boxes certainly poses no greater challenge than in cellphones."

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