In my case, it's that my home cannot power a car. I'd need to rewire it. The juice is the same but I can't squeeze the power out of the rock.
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Getting a dedicated circuit installed to power your charger is a pretty hefty cost upfront, that's true; but with gas hitting $6.25 a gallon in some places, it's an investment that will pay for itself right quick.
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Sure, you got the upfront cost you can give me plus the down payment for an EV? Just switching is something rich and affluent people can do. Most people are stuck with their combustion engine.
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There are cases where this is true, but "I'd need to rewire it" is often not actually the case.

This is why I'm so focused on spreading the knowledge of lower-power charging circuits. If you've got two free breaker slots and just 16 amps of overhead you can have a L2 charger to drive 100 mi/day.
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Alex, have you heard anything recently about the electric meter taps that can deliver 240v right at the meter base? I heard about them a few years ago, seemed the PERFECT solution to houses with old, undersized panels.
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I just found there are Type 2 EVSEs (for 220V countries) that can be configured as low as 6A!
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This is what I mean by "people don't realize the electricity isn't special"

*many* electricians have only ever installed 50A circuits and presume that's what you need to charge a car. So if you've been given any advice like that, please understand it's wrong.
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Some of the cars let you decide how many amps to pull from the socket. It's never impossible.
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You'd want to restrict that on the "charger" (EVSE), not the car. It would be unsafe if changing a setting in your car can overheat your house wiring or trip a breaker.
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If you have a free outlet, you could probably add 30 miles of charge to an electric car overnight (if my math is right). If you drive less than 30 miles most days, that's pretty much all you need!
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I don't know a single person who drives under 100. I also don't have charging infrastructure local to me so I'd need to drive extra on top.

I'm not unique but not the core of what's being discussed.
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I charge mine with a regular wall outlet. Does your house have wall outlets? If so, no need to rewire anything!
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Can it also not power a space heater? Then yeah, you've got a fundamental "does your homeowner's insurance know about this" wiring problem. (I live in New England, occasionally someone here finds knob and tube wiring that hasn't already burned the house down...)
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