Most studies of electric vehicle market penetration assume that recharging will occur primarily during off-peak periods when most utilities will have considerable excess capacity. The modeling generally supports that assumption and indicates there will be sufficient generation to meet that charging load. There are even studies showing that in a subset of emergency situation (unforeseen offpeak power outages) technology exis
ts that would allow utilities to draw upon power stored in tens of thousands of electric vehicles at homes and commercial garages to maintain essential services or provide “black-start” capability to local generation.
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