Charging a 2027 Rivian R1T Quad (20in AT) at home in Montana

In Montana, home electricity runs 13.77¢/kWh — put a 2027 Rivian R1T Quad (20in AT)'s EPA-rated 50.1 kWh/100mi against that and 100 miles costs $6.9, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 56.9% cheaper per mile than gasoline in Montana — charging at home is much cheaper than gas here.

What a year of driving costs

Montana owners putting 15,000 annual miles on a 2027 Rivian R1T Quad (20in AT) spend about $1,035 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,368 saved annually, at this mileage.

Filling up the 2027 Rivian R1T Quad (20in AT), in dollars

At Montana's rate, fully covering this 2027 Rivian R1T Quad (20in AT)'s 325-mile EPA range costs about $22.42 (162.8 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1T Quad (20in AT) in Montana ranks 12,810 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Quad (20in AT) ranks 391 of 400 EV models for raw efficiency, and Montana ranks 10 of 51 for cheapest residential electricity.

Getting set up to charge a 2027 Rivian R1T Quad (20in AT) at home

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

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1T Quad (20in AT)'s cost in Montana. Montana's 13.77¢/kWh rate ranks 10 of 51 states; the state rate guide lays out the full spread.