State data

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.

Source: U.S. Energy Information Administration (EIA), Electric Power Monthly Table 5.6.A, average residential price (April 2026); AAA Daily Fuel Gauge Report, state average regular gasoline price (July 7, 2026). Data last updated: 2026-07-07.
Electricity rate
14.52¢/kWh
Gasoline price
$3.65/gal
Est. annual EV savings
$1,066

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.

← Back to the main EV vs. gas calculator, pre-filled for South Dakota

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.

Bordering states

All states