Charging a 2026 Rivian R1T Dual Max (22in) at home in Montana

At Montana's residential electricity rate of 13.77¢/kWh, a 2026 Rivian R1T Dual Max (22in) (rated 38.8 kWh per 100 miles by the EPA) costs $5.35 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 66.6% cheaper per mile than gasoline in Montana — charging at home costs a fraction of what gas would here.

2026 Rivian R1T Dual Max (22in): yearly cost in Montana

Montana owners putting 15,000 annual miles on a 2026 Rivian R1T Dual Max (22in) spend about $802 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,601 saved annually, at this mileage.

Cost of a full charge

At Montana's rate, fully covering this 2026 Rivian R1T Dual Max (22in)'s 420-mile EPA range costs about $22.46 (163.1 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 Rivian R1T Dual Max (22in) in Montana, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Dual Max (22in) in Montana ranks 6,225 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Dual Max (22in) ranks 234 of 400 EV models for raw efficiency, and Montana ranks 10 of 51 for cheapest residential electricity.

Next step: home charger installation

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.

Get quotes from local electricians for Level 2 charger installation in Montana before deciding.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Montana's 13.77¢/kWh rate ranks 10 of 51 states; the state rate guide lays out the full spread.