Charging a 2027 Rivian R1T Performance (20in AT) at home in South Carolina
A 2027 Rivian R1T Performance (20in AT) draws 49.8 kWh per 100 miles per the EPA; at South Carolina's 16.04¢/kWh residential rate that's $7.99 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 50.1% 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 2027 Rivian R1T Performance (20in AT) spend about $1,199 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,204 saved annually, at this mileage.
Filling up the 2027 Rivian R1T Performance (20in AT), in dollars
At South Carolina's rate, fully covering this 2027 Rivian R1T Performance (20in AT)'s 329-mile EPA range costs about $26.3 (164 kWh) — the energy the EPA test actually used, not the battery's rated size.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1T Performance (20in AT) in South Carolina ranks 15,054 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Performance (20in AT) ranks 387 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.
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 2027 Rivian R1T Performance (20in AT)'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.