What it costs to charge a 2026 Rivian R1T Performance Dual Large Plus (20in) in South Carolina
A 2026 Rivian R1T Performance Dual Large Plus (20in) draws 43.1 kWh per 100 miles per the EPA; at South Carolina's 16.04¢/kWh residential rate that's $6.92 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 56.8% cheaper per mile than gasoline in South Carolina — charging at home is much cheaper than gas here.
2026 Rivian R1T Performance Dual Large Plus (20in): yearly cost in South Carolina
Home charging this 2026 Rivian R1T Performance Dual Large Plus (20in) in South Carolina runs about $1,038 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,365 saved annually, at this mileage.
Cost of a full charge
$21.93 — that's what South Carolina's 16.04¢/kWh rate puts on the 136.7 kWh a 2026 Rivian R1T Performance Dual Large Plus (20in) needs for its full 317-mile EPA range.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Performance Dual Large Plus (20in) in South Carolina ranks 12,878 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Performance Dual Large Plus (20in) ranks 330 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
The methodology guide names the exact EIA and EPA tables behind this page's numbers. 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.