Charging a 2027 Rivian R1T Performance (20in) at home in South Carolina
In South Carolina, home electricity runs 16.04¢/kWh — put a 2027 Rivian R1T Performance (20in)'s EPA-rated 47 kWh/100mi against that and 100 miles costs $7.54, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 53% cheaper per mile than gasoline in South Carolina — charging at home is much cheaper than gas here.
Annual cost, at 15 thousands miles a year
South Carolina owners putting 15,000 annual miles on a 2027 Rivian R1T Performance (20in) spend about $1,131 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,272 saved annually, at this mileage.
Cost of a full charge
At South Carolina's rate, fully covering this 2027 Rivian R1T Performance (20in)'s 348-mile EPA range costs about $26.23 (163.5 kWh) — the energy the EPA test actually used, not the battery's rated size.
2027 Rivian R1T Performance (20in) in South Carolina, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1T Performance (20in) in South Carolina ranks 14,239 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Performance (20in) ranks 370 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
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how South Carolina's 16.04¢/kWh compares? The guide to charging cost by state ranks every state side by side.