Charging a 2026 Rivian R1S Quad Max (22in UHP) at home in Wyoming

At Wyoming's residential electricity rate of 13.88¢/kWh, a 2026 Rivian R1S Quad Max (22in UHP) (rated 47.3 kWh per 100 miles by the EPA) costs $6.57 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 59% cheaper per mile than gasoline in Wyoming — charging at home is much cheaper than gas here.

2026 Rivian R1S Quad Max (22in UHP): yearly cost in Wyoming

Wyoming owners putting 15,000 annual miles on a 2026 Rivian R1S Quad Max (22in UHP) spend about $986 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,417 saved annually, at this mileage.

Cost of a full charge

At Wyoming's rate, fully covering this 2026 Rivian R1S Quad Max (22in UHP)'s 338-mile EPA range costs about $22.21 (160 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 Rivian R1S Quad Max (22in UHP) in Wyoming, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Quad Max (22in UHP) in Wyoming ranks 11,724 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Quad Max (22in UHP) ranks 373 of 400 EV models for raw efficiency, and Wyoming ranks 12 of 51 for cheapest residential electricity.

Before you install a home charger in Wyoming

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.