2027 Rivian R1S Performance (22in): home charging cost in South Carolina

In South Carolina, home electricity runs 16.04¢/kWh — put a 2027 Rivian R1S Performance (22in)'s EPA-rated 44.6 kWh/100mi against that and 100 miles costs $7.15, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 55.4% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Rivian R1S Performance (22in) charged at home in South Carolina costs about $1,072/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,331 a year.

What one full charge costs

A 2027 Rivian R1S Performance (22in) needs roughly 165.4 kWh to reach its EPA-rated 371-mile range, which runs about $26.52 at 16.04¢/kWh in South Carolina.

2027 Rivian R1S Performance (22in) in South Carolina, ranked

This combination ranks 13,403 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Performance (22in) alone ranks 354 of 400 models for efficiency; South Carolina alone ranks 27 of 51 states for electricity price.

Getting set up to charge a 2027 Rivian R1S Performance (22in) at home

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.

Get quotes from local electricians for Level 2 charger installation in South Carolina before deciding.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how South Carolina's 16.04¢/kWh compares? The guide to charging cost by state ranks every state side by side.