My BIL charges his Tesla at public chargers when staying at his condo during the week, and at his house on the weekend. I like to think of his “fuel mileage” as miles per dollar”. Here is a excerpt on what a Tesla 3 standard range model can hold. It says 50 kWhr of purchased power is required to go 165 miles. This electric charge at home costs 10 cents ( U.S. equivalent) per kWh. 50 x .1 is $5.00 to go 165 miles. His “ mileage” is 33 miles per dollar.
Now compare this to a 30 mpg car. That fuel in the city of Vancouver, Canada would cost $5.60 USD per gallon, His “ mileage “ is 5.4 miles per dollar.
This is a odd situation with very expensive gas and very cheap hydro power.
Now substitute California power charges and his “mileage “ on his car becomes 50 x .4 which is $20 to go 165 miles or 8.25 miles per dollar. Since Vancouver and say, L.A. both have similar gas prices, his “ mileage “ with the ICE car would stay at 5.4 miles per dollar.
Now substitute what a public charger costs per kWhr in either California or in Vancouver, and you can see the public charger cost moves much closer to the ICE cost. Charging at home is still much cheaper than a ICE car on a dollar per mile basis, but charging at a public charger closes the gap.
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