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Tesla M3 owner. Does it cost more to charge at a supercharger during peak hours in a state where gas is cheap? Absolutely. Does it cost less in states like California where gas is ridiculously expensive using a slow charger at home/workplace? Also absolutely.

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> Does it cost less in states like California where gas is ridiculously expensive

Electricity is also ridiculously expensive in CA especially in PG&E areas.[0] Off peak is 27 cents with peak rates rising to 58 cents.

[0] https://www.pge.com/en_US/residential/rate-plans/rate-plan-o...

I charge at home and it works just fine. I pay $0.25-$0.28/kwh. It puts the cost of a full 75kwh battery at ~$19. That’s still cheaper than paying $4.5-$5/gallon at the gas station.

In fact, even if I charge at the supercharger during peak hours, it costs at most the same as buying gas.

Comparing cost of full battery to full tank is meaningless because the ranges are different. How much does it cost to drive 100 miles on model 3 vs say Camry hybrid. My calculations showed that differences are not significant at my $.35 per kWh rate and $4.5 per gallon.

Of course camry hybrid costs thousands of dollars less than tesla* and has a range of 500 miles.

* my household does not qualify for income based incentives

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