Charging a 2026 Rivian R1T Performance Dual Max (20in) at home in South Carolina

A 2026 Rivian R1T Performance Dual Max (20in) draws 42 kWh per 100 miles per the EPA; at South Carolina's 16.04¢/kWh residential rate that's $6.73 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 58% cheaper per mile than gasoline in South Carolina — charging at home is much cheaper than gas here.

What a year of driving costs

South Carolina owners putting 15,000 annual miles on a 2026 Rivian R1T Performance Dual Max (20in) spend about $1,010 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,393 saved annually, at this mileage.

What one full charge costs

At South Carolina's rate, fully covering this 2026 Rivian R1T Performance Dual Max (20in)'s 380-mile EPA range costs about $25.58 (159.5 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Performance Dual Max (20in) in South Carolina ranks 12,252 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Performance Dual Max (20in) ranks 301 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 R1T Performance Dual Max (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.