What it costs to charge a 2027 Rivian R1S Premium Long Range (20in AT) in South Dakota

In South Dakota, home electricity runs 14.33¢/kWh — put a 2027 Rivian R1S Premium Long Range (20in AT)'s EPA-rated 43.2 kWh/100mi against that and 100 miles costs $6.19, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 61.3% cheaper per mile than gasoline in South Dakota — charging at home is much cheaper than gas here.

2027 Rivian R1S Premium Long Range (20in AT): yearly cost in South Dakota

Home charging this 2027 Rivian R1S Premium Long Range (20in AT) in South Dakota runs about $929 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,474 saved annually, at this mileage.

Filling up the 2027 Rivian R1S Premium Long Range (20in AT), in dollars

$22.92 — that's what South Dakota's 14.33¢/kWh rate puts on the 159.9 kWh a 2027 Rivian R1S Premium Long Range (20in AT) needs for its full 370-mile EPA range.

2027 Rivian R1S Premium Long Range (20in AT) in South Dakota, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Premium Long Range (20in AT) in South Dakota ranks 10,346 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Premium Long Range (20in AT) ranks 331 of 400 EV models for raw efficiency, and South Dakota ranks 14 of 51 for cheapest residential electricity.

Getting set up to charge a 2027 Rivian R1S Premium Long Range (20in AT) at home

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 Dakota 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. 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.