2026 Rivian R1T All-Terrain Dual Large Plus (20in): home charging cost in South Carolina

A 2026 Rivian R1T 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. Charging at home is much cheaper than gas here: 53.1% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1T All-Terrain Dual Large Plus (20in) charged at home in South Carolina costs about $1,128/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,275 a year.

Cost of a full charge

A 2026 Rivian R1T All-Terrain Dual Large Plus (20in) needs roughly 136.9 kWh to reach its EPA-rated 292-mile range, which runs about $21.96 at 16.04¢/kWh in South Carolina.

2026 Rivian R1T All-Terrain Dual Large Plus (20in) in South Carolina, ranked

This combination ranks 14,210 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T All-Terrain Dual Large Plus (20in) alone ranks 367 of 400 models for efficiency; South Carolina alone ranks 27 of 51 states for electricity price.

Next step: home charger installation

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Ask a licensed South Carolina electrician to quote the install before this math becomes a real decision.

Where these figures come from

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.