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 East of Broken Bow | I keep hearing to charge them during off peak hours. However, if half the households in the USA are running a 30A charger all night, will there be any off peak hours? I think a smart grid could handle it, if it could manage the charging to match the available electricity (for example instead of all charging at once, it could just charge the lowest batteries first, and work on the others - very very few people will run the battery down to needing a full charge every night, but it might be prudent to plug it in every night to keep it topped off so that everyone doesn't try to charge it on Friday night after the work week in anticipation of a weekend trip. Instead plug it in every night, and it would top you off if extra power was readily available).
Battery cost is such a wild card I won't even try to guess on that.
Perhaps new technologies will appear that make them faster, easier, and cheaper to produce.
On the other hand, mandated demand could outstrip supply lines to the point the prices will be through the roof.
More realistically, if there is a surge in demand, prices will go up, then production will increase to overcome shortfalls, and then prices will fall as supplies go from short to surplus.
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