2027 Rivian R1T Performance (20in AT): home charging cost in South Dakota
In South Dakota, home electricity runs 14.33¢/kWh — put a 2027 Rivian R1T Performance (20in AT)'s EPA-rated 49.8 kWh/100mi against that and 100 miles costs $7.14, 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 R1T Performance (20in AT) charged at home in South Dakota costs about $1,071/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,332 a year.
Cost of a full charge
A 2027 Rivian R1T Performance (20in AT) needs roughly 164 kWh to reach its EPA-rated 329-mile range, which runs about $23.49 at 14.33¢/kWh in South Dakota.
2027 Rivian R1T Performance (20in AT) in South Dakota, ranked
This combination ranks 13,408 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Performance (20in AT) alone ranks 387 of 400 models for efficiency; South Dakota alone ranks 14 of 51 states for electricity price.
Getting set up to charge a 2027 Rivian R1T Performance (20in AT) 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 Dakota before deciding.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 14.33¢/kWh, South Dakota sits in the middle of the national range — the guide to why charging cost varies by state shows where.