What it costs to charge a 2026 Rivian R1S Dual Large Plus (22in) in South Carolina

A 2026 Rivian R1S Dual Large Plus (22in) draws 40.9 kWh per 100 miles per the EPA; at South Carolina's 16.04¢/kWh residential rate that's $6.56 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 59% 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 2026 Rivian R1S Dual Large Plus (22in) in South Carolina runs about $984 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,419 saved annually, at this mileage.

Filling up the 2026 Rivian R1S Dual Large Plus (22in), in dollars

$21.65 — that's what South Carolina's 16.04¢/kWh rate puts on the 135 kWh a 2026 Rivian R1S Dual Large Plus (22in) needs for its full 330-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Dual Large Plus (22in) in South Carolina ranks 11,703 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Dual Large Plus (22in) ranks 278 of 400 EV models for raw efficiency, and South Carolina ranks 27 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Rivian R1S Dual Large Plus (22in) at home

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.

Line up a few South Carolina electrician quotes for Level 2 install before you commit either way.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. South Carolina's 16.04¢/kWh rate ranks 27 of 51 states; the state rate guide lays out the full spread.