this post was submitted on 02 Aug 2023
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[–] QuinceDaPence@kbin.social 7 points 1 year ago (2 children)

If you have a Rivian R1T or GMC Hummer, the cost to charge at home isn't much different; it's about $17.70 per 100 miles.

Assuming the manufacturers claims are accurate (which is a big assumtion I know) that R1T, at the current US average electricity price of $16.14 per kWh, is $7.26/100mi.

[–] phx@lemmy.ca 3 points 1 year ago

I think a lot of this depends on where and when you get these numbers. For example, there's a wider disparity between BC and Alberta because electricity is cheaper in BC while gas is more expensive.

Also, are we talking rapid charging stations or home charging a few times a week, because of course the commercial charging stations cost more, but some people may not need to use those except on some longer trips

[–] ChosenDarek@lemmy.world 2 points 1 year ago

The R1T description says the lowest battery size is 105 kWh with a range of 230 miles. This would give a "miles per kilowatt-hour" of 2.19 miles / kWh. Using the national average electricity price of $0.170 per kWh, the cost per mile is ($0.170/kWh) / (2.19 miles/kWh) = $0.0776/mile.

Using a Honda Ridgeline for gas equivalence, it has a combined 22 miles per gallon rating. With a national gasoline price average of $3.803 per gallon, the cost per mile is ($3.803/gallon) / (22 miles/gallon) = $0.172/mile.

So by these calculations the electric option is a little less than half the price of a gasoline equivalent. Perhaps charging the R1T in public with a premium, such as with superchargers, the cost per kWh may go up, but that's a disingenuous comparison so I agree with you that the article is making some big assumptions.