Charging a 2027 Rivian R1T Premium Long Range (22in) at home in South Carolina

A 2027 Rivian R1T Premium Long Range (22in) draws 38.8 kWh per 100 miles per the EPA; at South Carolina's 16.04¢/kWh residential rate that's $6.23 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 61.1% 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 Premium Long Range (22in) spend about $935 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,468 saved annually, at this mileage.

What one full charge costs

At South Carolina's rate, fully covering this 2027 Rivian R1T Premium Long Range (22in)'s 420-mile EPA range costs about $26.17 (163.1 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 Premium Long Range (22in) in South Carolina ranks 10,472 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Premium Long Range (22in) ranks 233 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.

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

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. South Carolina's 16.04¢/kWh rate ranks 27 of 51 states; the state rate guide lays out the full spread.