2026 Rivian R1T Quad Max (22in UHP): home charging cost in Montana
A 2026 Rivian R1T Quad Max (22in UHP) draws 47.3 kWh per 100 miles per the EPA; at Montana's 13.77¢/kWh residential rate that's $6.52 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 59.3% less than gas per mile, here specifically.
2026 Rivian R1T Quad Max (22in UHP): yearly cost in Montana
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1T Quad Max (22in UHP) charged at home in Montana costs about $978/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,425 a year.
Cost of a full charge
A 2026 Rivian R1T Quad Max (22in UHP) needs roughly 160 kWh to reach its EPA-rated 338-mile range, which runs about $22.04 at 13.77¢/kWh in Montana.
Where this ranks
This combination ranks 11,526 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Quad Max (22in UHP) alone ranks 374 of 400 models for efficiency; Montana alone ranks 10 of 51 states for electricity price.
Before you install a home charger in Montana
The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.
Get quotes from local electricians for Level 2 charger installation in Montana before deciding.
Where these figures come from
See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1T Quad Max (22in UHP)'s cost in Montana. Curious how Montana's 13.77¢/kWh compares? The guide to charging cost by state ranks every state side by side.