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Buffett firm's smart-grid idea takes over your wash

Northern Powergrid tests technology that can control when consumer appliances will be used at home


WARREN Buffett wants to tell you the best time to wash your clothes.

Or at least his energy company in the UK does. Mr Buffett's Northern Powergrid Holdings Co is working with Siemens AG to test a so-called smart grid that has the ability to control when consumer appliances...

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