What it costs to charge a 2026 Rivian R1T Dual Standard (20in) in South Carolina
At South Carolina's residential electricity rate of 16.04¢/kWh, a 2026 Rivian R1T Dual Standard (20in) (rated 42.9 kWh per 100 miles by the EPA) costs $6.88 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 57.1% cheaper per mile than gasoline in South Carolina — charging at home is much cheaper than gas here.
2026 Rivian R1T Dual Standard (20in): yearly cost in South Carolina
Home charging this 2026 Rivian R1T Dual Standard (20in) in South Carolina runs about $1,031 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,372 saved annually, at this mileage.
Cost of a full charge
$17.74 — that's what South Carolina's 16.04¢/kWh rate puts on the 110.6 kWh a 2026 Rivian R1T Dual Standard (20in) needs for its full 258-mile EPA range.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Dual Standard (20in) in South Carolina ranks 12,734 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Dual Standard (20in) ranks 313 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.
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 2026 Rivian R1T Dual Standard (20in)'s cost in South Carolina. At 16.04¢/kWh, South Carolina sits in the middle of the national range — the guide to why charging cost varies by state shows where.