What it costs to charge a 2026 Rivian R1T Dual Large Plus (22in) in Montana

In Montana, home electricity runs 13.77¢/kWh — put a 2026 Rivian R1T Dual Large Plus (22in)'s EPA-rated 40.9 kWh/100mi against that and 100 miles costs $5.63, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 64.8% cheaper per mile than gasoline in Montana — charging at home is much cheaper than gas here.

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

Home charging this 2026 Rivian R1T Dual Large Plus (22in) in Montana runs about $845 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,558 saved annually, at this mileage.

Cost of a full charge

$18.59 — that's what Montana's 13.77¢/kWh rate puts on the 135 kWh a 2026 Rivian R1T Dual Large Plus (22in) needs for its full 330-mile EPA range.

2026 Rivian R1T Dual Large Plus (22in) in Montana, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Dual Large Plus (22in) in Montana ranks 7,634 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Dual Large Plus (22in) ranks 280 of 400 EV models for raw efficiency, and Montana ranks 10 of 51 for cheapest residential electricity.

Before you install a home charger in Montana

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 Montana electrician quotes for Level 2 install before you commit either way.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1T Dual Large Plus (22in)'s cost in Montana. Montana's 13.77¢/kWh rate ranks 10 of 51 states; the state rate guide lays out the full spread.