Smarter electric grid could be key to saving power

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George Tsapoitis displays an electric smart meter in his Milton ON home Thursday April 3 2008. Tsapoitis uses his computer to visit an online control panel that configures his homes energy consumption. He chooses its temperature and which lights shou ...
George Tsapoitis displays an electric smart meter in his Milton ON home, Thursday, April 3, 2008. Tsapoitis uses his computer to visit an online control panel that configures his home's energy consumption. He chooses its temperature and which lights should be on or off at certain times of the day. (AP Photo/The Canadian Press, J.P. Moczulis)

(AP) -- The glowing amber dot on a light switch in the entryway of George Tsapoitis' house offers a clue about the future of electricity.


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