What it costs to charge a 2026 Rivian R1S Dual Large (22in) in Wyoming

At Wyoming's residential electricity rate of 13.88¢/kWh, a 2026 Rivian R1S Dual Large (22in) (rated 39.5 kWh per 100 miles by the EPA) costs $5.48 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 65.8% cheaper per mile than gasoline in Wyoming — charging at home costs a fraction of what gas would here.

What a year of driving costs

Home charging this 2026 Rivian R1S Dual Large (22in) in Wyoming runs about $822 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,581 saved annually, at this mileage.

Cost of a full charge

$18.03 — that's what Wyoming's 13.88¢/kWh rate puts on the 129.9 kWh a 2026 Rivian R1S Dual Large (22in) needs for its full 329-mile EPA range.

2026 Rivian R1S Dual Large (22in) in Wyoming, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Dual Large (22in) in Wyoming ranks 6,896 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Dual Large (22in) ranks 250 of 400 EV models for raw efficiency, and Wyoming ranks 12 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Rivian R1S Dual Large (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 Wyoming 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. Wyoming's 13.88¢/kWh rate ranks 12 of 51 states; the state rate guide lays out the full spread.