What it costs to charge a 2026 Rivian R1S Dual Large (20in) in Arkansas
A 2026 Rivian R1S Dual Large (20in) draws 42.9 kWh per 100 miles per the EPA; at Arkansas's 13.43¢/kWh residential rate that's $5.76 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 64.1% cheaper per mile than gasoline in Arkansas — charging at home is much cheaper than gas here.
What a year of driving costs
Home charging this 2026 Rivian R1S Dual Large (20in) in Arkansas runs about $864 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,539 saved annually, at this mileage.
What one full charge costs
$17.27 — that's what Arkansas's 13.43¢/kWh rate puts on the 128.6 kWh a 2026 Rivian R1S Dual Large (20in) needs for its full 300-mile EPA range.
2026 Rivian R1S Dual Large (20in) in Arkansas, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Dual Large (20in) in Arkansas ranks 8,193 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Dual Large (20in) ranks 316 of 400 EV models for raw efficiency, and Arkansas ranks 6 of 51 for cheapest residential electricity.
Getting set up to charge a 2026 Rivian R1S Dual Large (20in) 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
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Arkansas's 13.43¢/kWh compares? The guide to charging cost by state ranks every state side by side.