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PHOTO CAPTION: BMW Mini-E electric cars used in University of Delaware V2G demonstration program.

How Electric Cars May Hold the Answer to Grid Energy Storage

The average electric car battery is used approximately one hour a day, so it may make sense to use it the other 23 hours for grid storage and power regulation

Published: 29-Dec-2013

NEWARK, Del. — The thick blue cables and white boxes alongside an industrial garage here look like those in any electric-car charging station. But they work in a way that could upend the relationship Americans have with energy.

The retrofitted Mini Coopers and other vehicles plugged into sockets where a Chrysler plant once stood do more than suck energy out of the multi-state electricity grid. They also send power back into it.

With every zap of juice into or out of the region's fragile power network, the car owner gets paid.

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