The smart grid will mean using information and communications to make electric power delivery systems more efficient, flexible and dynamic, to save energy and to accommodate intermittent renewable sources of energy as well as electric vehicles (EVs) and plug-in hybrids (PHEVs).
There is a stark contrast between the grid as it exists today and the grids of other sectors, such as telecommunications. In their essential features, power delivery systems are not much different than they were a hundred years ago. What is more, the information and communications technology that is starting to be applied in the grid is, to a great extent, similar to what was done 30 years ago to telecom infrastructure.
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