How much does an electric car cost per month in South Carolina?

About $49.91 a month, assuming 3,800 kWh a year at 15.76¢/kWh.

How many kilowatt-hours does an electric car use?

Roughly 3,800 kWh a year under these assumptions.

Is that expensive compared with other states?

South Carolina has the 20th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $690 a year.

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Cost to run an electric car in South Carolina (August 2026 rates)

At 15.76¢ per kilowatt-hour — South Carolina's average residential price in August 2026 — running an electric car costs $599 a year. That is 13% less than the national average of $690. South Carolina's residential rate is up 4.0% from August 2025, which moves this appliance from $576 to $599 a year.

Per day: $1.64
Per month: $49.91
Per year: $599

Assumption: 3,800 kWh a year. 12,000 miles a year at roughly 3.5 miles per kWh, plus about 10% charging losses, on home Level 2 charging. Use the calculator to swap in the numbers from your own model.

How South Carolina compares

South Carolina pays 15.76¢/kWh, the 20th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $91.20 less a year than the typical U.S. household pays for the same use. Running the same electric car costs $483 a year in Nevada and $1,793 in Hawaii, so where you live changes this bill by $1,309 a year.

State	Rate	Per month	Per year
Kansas	15.47¢	$48.99	$588
Montana	15.57¢	$49.30	$592
South Carolina	15.76¢	$49.91	$599
Georgia	15.90¢	$50.35	$604
Texas	15.91¢	$50.38	$605

States ranked by average residential price, cheapest first. See all 51 states for an electric car.

What else costs about the same in South Carolina

Electric water heater$552 a year in SC Hot tub$394 a year in SC Central air conditioner$371 a year in SC

Cutting the number down

Charging on an off-peak or EV rate plan is usually the single largest lever, and it costs nothing but a schedule setting.
Charging losses are real: the meter sees noticeably more than the battery receives, especially in cold weather.
Cost per mile, not cost per charge, is the number that compares cleanly against a tank of gasoline.

Questions

How much does an electric car cost per month in South Carolina?: About $49.91 a month, assuming 3,800 kWh a year at 15.76¢/kWh.
How many kilowatt-hours does an electric car use?: Roughly 3,800 kWh a year under these assumptions.
Is that expensive compared with other states?: South Carolina has the 20th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $690 a year.