Charging a 2026 Rivian R1S Tri Max (22in) at home in Arkansas

In Arkansas, home electricity runs 13.43¢/kWh — put a 2026 Rivian R1S Tri Max (22in)'s EPA-rated 44.6 kWh/100mi against that and 100 miles costs $5.99, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 62.6% cheaper per mile than gasoline in Arkansas — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Arkansas owners putting 15,000 annual miles on a 2026 Rivian R1S Tri Max (22in) spend about $898 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,505 saved annually, at this mileage.

What one full charge costs

At Arkansas's rate, fully covering this 2026 Rivian R1S Tri Max (22in)'s 371-mile EPA range costs about $22.21 (165.4 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 2026 Rivian R1S Tri Max (22in) in Arkansas ranks 9,361 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Tri Max (22in) ranks 356 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 Tri Max (22in) 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. Arkansas's 13.43¢/kWh rate ranks 6 of 51 states; the state rate guide lays out the full spread.