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pardon my extreme ignorance, ive been driving my Tesla 70D Model S since 2015, but not proficient at anything electrical.

i charge my car at night in my condo, and my wife gave me an assignment to figure out how much we spend on charging this vehicle. so here are the facts, but not sure how to calculate it. any help would be great.

so lets say im at 50 mile range left. my max range is 240, but lets say i limit it to 200. so i need 150 miles of charge. in my condo, i have a Nema 14-50 i believe, looks like this.

https://www.amazon.com/Leviton-279-...locphy=200524&hvtargid=pla-357917644205&psc=1

i believe it is 240V, 50A, but not 100% sure. i dial it down on my car to charge at 20A. usually i think i get around 25 miles per hour charged on this. so that would make charging time around 6 hours.

with Edison Power, i looked up my rates, and i believe it is 10 cents per kWh after 10pm, which is when i schedule the car to charge. does this mean that im paying 10 cents times 6 hours, or 60 cents? or does Amps matter? not sure what other variables are involved.

thanks.

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