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Stimulus Dollars Energize Efforts To Smarten Up the Electric Power Grid

ERLANGER, Ky. -- One gizmo allows you to run the dishwasher when electricity is cheapest. Another decides when to fire up the water heater if you plan on a 6 a.m. shower. Another routes solar energy from a rooftop panel to a battery in your garage and the wiring in your house.

By Peter Slevin and Steven Mufson

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