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June 17, 2009 6:59 AM

'Smart grid' technology unveiled by Duke Energy

North Carolina-based Duke Energy unveiled its first glimpse of "smart grid" technology in the Charlotte area on Tuesday. Smart grid envisions increased interaction with customers, quicker response to outages and power demand, and use of renewable energy such as solar and wind power. It has the potential to save customers money by using less electricity and, possibly, save enough power to delay the need for new power plants.

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