What it costs to charge a 2027 Rivian R1S Quad (22in) in South Carolina

In South Carolina, home electricity runs 16.04¢/kWh — put a 2027 Rivian R1S Quad (22in)'s EPA-rated 44.4 kWh/100mi against that and 100 miles costs $7.12, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 55.6% cheaper per mile than gasoline in South Carolina — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2027 Rivian R1S Quad (22in) in South Carolina runs about $1,068 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,335 saved annually, at this mileage.

Filling up the 2027 Rivian R1S Quad (22in), in dollars

$26.62 — that's what South Carolina's 16.04¢/kWh rate puts on the 166 kWh a 2027 Rivian R1S Quad (22in) needs for its full 374-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Quad (22in) in South Carolina ranks 13,315 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Quad (22in) ranks 348 of 400 EV models for raw efficiency, and South Carolina ranks 27 of 51 for cheapest residential electricity.

Next step: home charger installation

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.

Get quotes from local electricians for Level 2 charger installation in South Carolina before deciding.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S Quad (22in)'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.