How smart will the grid need to be for plug-ins?

Is the grid ready for plug-ins? The Department of Energy is awarding $620 million for smart grid demonstration projects. And that’s fine. Of course, inevitably, one must ask how much will full scale implementation cost? Numerous estimates thus far have put the cost at hundreds of billions. Yet, even some utilities have claimed that very little smart grid technology – if any – is necessary to …
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How smart will the grid need to be for plug-ins?
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