2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels), ID…

What it costs to charge a 2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels) in Idaho

A 2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels) draws 37.5 kWh per 100 miles per the EPA; at Idaho's 12.8¢/kWh residential rate that's $4.8 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 70% 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 Polestar 3 Long Range Dual Motor (21 Inch Wheels) in Idaho runs about $721 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,682 saved annually, at this mileage.

Filling up the 2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels), in dollars

$14.99, that's what Idaho's 12.8¢/kWh rate puts on the 117.1 kWh a 2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels) needs for its full 312-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels) in Idaho ranks 3,621 for cost savings versus gas, 1 being the best deal nationally. Separately, the Polestar 3 Long Range Dual Motor (21 Inch Wheels) ranks 206 of 400 EV models for raw efficiency, and Idaho ranks 3 of 51 for cheapest residential electricity.

Before you install a home charger in Idaho

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.

Ask a licensed Idaho electrician to quote the install before this math becomes a real decision.

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.