What it costs to charge a 2026 Tesla Model 3 Performance AWD in Montana

At Montana's residential electricity rate of 13.77¢/kWh, a 2026 Tesla Model 3 Performance AWD (rated 30.2 kWh per 100 miles by the EPA) costs $4.16 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 74% cheaper per mile than gasoline in Montana — charging at home costs a fraction of what gas would here.

2026 Tesla Model 3 Performance AWD: yearly cost in Montana

Home charging this 2026 Tesla Model 3 Performance AWD in Montana runs about $625 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,778 saved annually, at this mileage.

Cost of a full charge

$13.08 — that's what Montana's 13.77¢/kWh rate puts on the 95 kWh a 2026 Tesla Model 3 Performance AWD needs for its full 314-mile EPA range.

2026 Tesla Model 3 Performance AWD in Montana, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Tesla Model 3 Performance AWD in Montana ranks 1,369 for cost savings versus gas — 1 being the best deal nationally. Separately, the Tesla Model 3 Performance AWD ranks 63 of 400 EV models for raw efficiency, and Montana ranks 10 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Tesla Model 3 Performance AWD 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.

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

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Montana's 13.77¢/kWh compares? The guide to charging cost by state ranks every state side by side.