Charging a 2027 Rivian R1S Premium Long Range (20in AT) at home in Arkansas

A 2027 Rivian R1S Premium Long Range (20in AT) draws 43.2 kWh per 100 miles per the EPA; at Arkansas's 13.43¢/kWh residential rate that's $5.81 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 63.8% cheaper per mile than gasoline in Arkansas — charging at home is much cheaper than gas here.

What a year of driving costs

Arkansas owners putting 15,000 annual miles on a 2027 Rivian R1S Premium Long Range (20in AT) spend about $871 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,532 saved annually, at this mileage.

What one full charge costs

At Arkansas's rate, fully covering this 2027 Rivian R1S Premium Long Range (20in AT)'s 370-mile EPA range costs about $21.48 (159.9 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Premium Long Range (20in AT) in Arkansas ranks 8,442 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 Arkansas ranks 6 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.

Line up a few Arkansas 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 Arkansas's 13.43¢/kWh compares? The guide to charging cost by state ranks every state side by side.