South Dakota EV charging vs. gas costs
South Dakota's average residential electricity rate is 14.52¢/kWh,below the national average by 23%. Gasoline averages $3.65/gallon, below the national average by 4%. That ranks South Dakota #13 of 51 for cheapest electricity and #23 for cheapest gas.
Cost per mile in South Dakota
Charging an EV at 3.5 mi/kWh on South Dakota's 14.52¢/kWh residential rate works out to about 4.1¢ per mile. A gas car at 28 MPG paying $3.65/gallon pays about 13.0¢ per mile — roughly 3.1× as much per mile driven.
Example: 12,000 miles a year in South Dakota
A gas car at 28 MPG driving 12,000 miles a year in South Dakota spends about $1,564 on gasoline. An EV at 3.5 mi/kWh charging at home over the same distance spends about $498 on electricity — a difference of $1,066 a year, or about $5,332 over five years.
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Frequently asked questions
Is it cheaper to drive an EV or a gas car in South Dakota?
In South Dakota, an EV charging at home costs about 4.1¢ per mile, versus about 13.0¢ per mile for a 28 MPG gas car at the state's $3.65/gallon average. The EV is cheaper to fuel per mile.
How much can an EV save per year in South Dakota?
Driving 12,000 miles a year, an EV owner in South Dakota spends about $498 on home charging versus $1,564 on gasoline — a saving of roughly $1,066 per year, or $5,332 over five years.