What it costs to charge a 2026 Tesla Model Y Long Range RWD in Idaho
A 2026 Tesla Model Y Long Range RWD draws 25.2 kWh per 100 miles per the EPA; at Idaho's 12.8¢/kWh residential rate that's $3.23 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 79.8% cheaper per mile than gasoline in Idaho — charging at home costs a fraction of what gas would here.
Annual cost, at 15 thousands miles a year
Home charging this 2026 Tesla Model Y Long Range RWD in Idaho runs about $484 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,919 saved annually, at this mileage.
What one full charge costs
$11.53 — that's what Idaho's 12.8¢/kWh rate puts on the 90.1 kWh a 2026 Tesla Model Y Long Range RWD needs for its full 357-mile EPA range.
2026 Tesla Model Y Long Range RWD in Idaho, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Tesla Model Y Long Range RWD in Idaho ranks 38 for cost savings versus gas — 1 being the best deal nationally. Separately, the Tesla Model Y Long Range RWD ranks 6 of 400 EV models for raw efficiency, and Idaho ranks 3 of 51 for cheapest residential electricity.
Next step: home charger installation
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 Idaho before deciding.
More on how this number was built
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Idaho is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.