Charging a 2026 Rivian R1S All-Terrain Tri Max (20in) at home in Arkansas

At Arkansas's residential electricity rate of 13.43¢/kWh, a 2026 Rivian R1S All-Terrain Tri Max (20in) (rated 49.8 kWh per 100 miles by the EPA) costs $6.69 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 58.2% 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 2026 Rivian R1S All-Terrain Tri Max (20in) spend about $1,004 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,399 saved annually, at this mileage.

Filling up the 2026 Rivian R1S All-Terrain Tri Max (20in), in dollars

At Arkansas's rate, fully covering this 2026 Rivian R1S All-Terrain Tri Max (20in)'s 329-mile EPA range costs about $22.02 (164 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S All-Terrain Tri Max (20in) in Arkansas ranks 12,141 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S All-Terrain Tri Max (20in) ranks 388 of 400 EV models for raw efficiency, and Arkansas ranks 6 of 51 for cheapest residential electricity.

Before you install a home charger in Arkansas

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 Arkansas 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. Arkansas's 13.43¢/kWh rate ranks 6 of 51 states; the state rate guide lays out the full spread.