ChargeCostFinder

Charging a 2026 Polestar 3 Long Range Dual Motor Performance Pack at home in Montana

In Montana, home electricity runs 13.77¢/kWh — put a 2026 Polestar 3 Long Range Dual Motor Performance Pack's EPA-rated 41.5 kWh/100mi against that and 100 miles costs $5.72, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 64.3% 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 2026 Polestar 3 Long Range Dual Motor Performance Pack spend about $858 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,545 saved annually, at this mileage.

What one full charge costs

At Montana's rate, fully covering this 2026 Polestar 3 Long Range Dual Motor Performance Pack's 281-mile EPA range costs about $16.08 (116.8 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Polestar 3 Long Range Dual Motor Performance Pack in Montana ranks 8,076 for cost savings versus gas — 1 being the best deal nationally. Separately, the Polestar 3 Long Range Dual Motor Performance Pack ranks 291 of 400 EV models for raw efficiency, and Montana ranks 10 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Polestar 3 Long Range Dual Motor Performance Pack 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 2026 Polestar 3 Long Range Dual Motor Performance Pack's cost in Montana. At 13.77¢/kWh, Montana sits in the middle of the national range — the guide to why charging cost varies by state shows where.