Savers Push $374 Billion U.S. Utility Industry to Shift
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Robert Rhea logged on to his iPad in Cape Cod, Massachusetts, one day in August to turn off the air conditioning in his Dallas home ahead of cooler Texas weather.
Rhea, who was attending a wedding and tracked his daily power usage on an iPhone app supplied by TXU Energy, estimates the remote tweaking saved him $175 on his electricity bill that month. He controls his home temperature through a wireless thermostat TXU gave him in exchange for allowing the utility to shut off his air conditioning during periods of high demand.