What it costs to charge a 2027 Rivian R1T Premium Long Range (20in AT) in South Carolina

At South Carolina's residential electricity rate of 16.04¢/kWh, a 2027 Rivian R1T Premium Long Range (20in AT) (rated 43.2 kWh per 100 miles by the EPA) costs $6.93 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 56.7% cheaper per mile than gasoline in South Carolina — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2027 Rivian R1T Premium Long Range (20in AT) in South Carolina runs about $1,040 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,363 saved annually, at this mileage.

Filling up the 2027 Rivian R1T Premium Long Range (20in AT), in dollars

$25.65 — that's what South Carolina's 16.04¢/kWh rate puts on the 159.9 kWh a 2027 Rivian R1T Premium Long Range (20in AT) needs for its full 370-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1T Premium Long Range (20in AT) in South Carolina ranks 12,920 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Premium Long Range (20in AT) ranks 332 of 400 EV models for raw efficiency, and South Carolina ranks 27 of 51 for cheapest residential electricity.

Before you install a home charger in South Carolina

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Ask a licensed South Carolina electrician to quote the install before this math becomes a real decision.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1T Premium Long Range (20in AT)'s cost in South Carolina. South Carolina's 16.04¢/kWh rate ranks 27 of 51 states; the state rate guide lays out the full spread.