What it costs to charge a 2026 Rivian R1S All-Terrain Dual Large Plus (20in) in South Carolina

A 2026 Rivian R1S All-Terrain Dual Large Plus (20in) draws 46.9 kWh per 100 miles per the EPA; at South Carolina's 16.04¢/kWh residential rate that's $7.52 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 53.1% 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 All-Terrain Dual Large Plus (20in) in South Carolina runs about $1,128 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,275 saved annually, at this mileage.

What one full charge costs

$21.96 — that's what South Carolina's 16.04¢/kWh rate puts on the 136.9 kWh a 2026 Rivian R1S All-Terrain Dual Large Plus (20in) needs for its full 292-mile EPA range.

2026 Rivian R1S All-Terrain Dual Large Plus (20in) in South Carolina, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S All-Terrain Dual Large Plus (20in) in South Carolina ranks 14,208 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S All-Terrain Dual Large Plus (20in) ranks 365 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.

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

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S All-Terrain Dual Large Plus (20in)'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.