few could agree on when the benefits of the smart grid will take hold.
About one quarter said that there will be measurable benefits from smart-grid investments in one to three years, while almost 30 percent said that it would take more like 10 years.
So-called smart devices can communicate with each other, usually over a wireless network.
The smart grid means modernizing the electricity grid to be more reliable, efficient, and able to handle a two-way flow of energy on the grid.
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