What it costs to charge a 2026 Tesla Model Y Standard RWD (18in Wheels) in Montana

A 2026 Tesla Model Y Standard RWD (18in Wheels) draws 24.3 kWh per 100 miles per the EPA; at Montana's 13.77¢/kWh residential rate that's $3.35 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 79.1% cheaper per mile than gasoline in Montana — charging at home costs a fraction of what gas would here.

What a year of driving costs

Home charging this 2026 Tesla Model Y Standard RWD (18in Wheels) in Montana runs about $503 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,900 saved annually, at this mileage.

What one full charge costs

$10.76 — that's what Montana's 13.77¢/kWh rate puts on the 78.1 kWh a 2026 Tesla Model Y Standard RWD (18in Wheels) needs for its full 321-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Tesla Model Y Standard RWD (18in Wheels) in Montana ranks 77 for cost savings versus gas — 1 being the best deal nationally. Separately, the Tesla Model Y Standard RWD (18in Wheels) ranks 3 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

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 13.77¢/kWh, Montana sits in the middle of the national range — the guide to why charging cost varies by state shows where.