2027 Rivian R1T Performance (22in): home charging cost in Montana

At Montana's residential electricity rate of 13.77¢/kWh, a 2027 Rivian R1T Performance (22in) (rated 44.6 kWh per 100 miles by the EPA) costs $6.14 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. Charging at home is much cheaper than gas here: 61.7% less than gas per mile, here specifically.

2027 Rivian R1T Performance (22in): yearly cost in Montana

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Rivian R1T Performance (22in) charged at home in Montana costs about $921/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,482 a year.

Filling up the 2027 Rivian R1T Performance (22in), in dollars

A 2027 Rivian R1T Performance (22in) needs roughly 165.4 kWh to reach its EPA-rated 371-mile range, which runs about $22.77 at 13.77¢/kWh in Montana.

2027 Rivian R1T Performance (22in) in Montana, ranked

This combination ranks 10,059 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Performance (22in) alone ranks 355 of 400 models for efficiency; Montana alone ranks 10 of 51 states for electricity price.

Next step: home charger installation

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.

Line up a few Montana electrician quotes for Level 2 install before you commit either way.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1T Performance (22in)'s cost in Montana. At 13.77¢/kWh, Montana sits in the middle of the national range — the guide to why charging cost varies by state shows where.