Cost to Charge a Polestar 3 in Idaho
$16.81 for a full charge at 14.37¢/kWh — $5.39 per 100 miles, about $647 a year.
Polestar 3 in Idaho
- Per 100 miles
- $5.39
- Per mile
- $0.05
- Per year
- $647
- vs petrol / yr
- $987
- Electricity per year
- Petrol per year
The full picture
| Item | Energy | Cost |
|---|---|---|
| This charge | 117.0 kWh | $16.81 |
| Full charge (0–100%) | 117.0 kWh | $16.81 |
| Per 100 miles | 37.5 kWh | $5.39 |
| Per year (12,000 mi) | 4500.0 kWh | $647 |
| Same year on petrol (30 mpg) | — | $1,634 |
| Difference | — | $987 |
What charging actually costs here
Filling a Polestar 3 from empty in Idaho costs $16.81. The car draws 117.0 kWh from the wall for a full 312-mile charge, and Idaho residential electricity averages 14.37¢ per kWh. That works out at $5.39 per 100 miles, or $0.05 a mile.
Idaho is cheaper than average: 14.37¢ against a national mean of 19.42¢, which ranks it 10 of 51 for electricity price. The same car costs $15.34 to fill in Nevada and $61.68 in Hawaii — a 4.0× spread across the country for identical driving.
Against a petrol car doing 30 mpg at $4.09 a gallon, electricity here is 2.5× cheaper per mile: $5.39 versus $13.62 per 100 miles. Over 12,000 miles a year that is $987 saved.
Similar EVs in Idaho
| Vehicle | Per 100 mi | Full charge | Per year |
|---|---|---|---|
| Ford Mustang Mach-E | 37.4 kWh | $15.05 | $645 |
| Acura ZDX | 37.7 kWh | $17.50 | $650 |
| Genesis Electrified GV70 | 37.3 kWh | $13.40 | $643 |
| Hyundai Ioniq 9 | 38 kWh | $17.47 | $655 |
| Cadillac Lyriq | 36.8 kWh | $17.24 | $635 |
| Volvo EX90 | 36.8 kWh | $14.60 | $635 |
The same car in nearby-priced states
| State | ¢/kWh | Full charge | Per year |
|---|---|---|---|
| North Dakota | 14.12 | $16.52 | $635 |
| Kentucky | 14.26 | $16.68 | $642 |
| Oklahoma | 14.33 | $16.77 | $645 |
| North Carolina | 14.74 | $17.25 | $663 |
| Mississippi | 14.88 | $17.41 | $670 |
| Washington | 14.91 | $17.44 | $671 |
Frequently asked questions
How much does it cost to charge a Polestar 3 in Idaho?
How much does a Polestar 3 cost per mile in Idaho?
Is charging a Polestar 3 cheaper than petrol in Idaho?
How long does a full charge last?
Does this include charging losses?
Vehicle data: EPA fueleconomy.gov, model years 2025-2027. Electricity: EIA Electric Power Monthly Table 5.6.A, residential, June 2026. Petrol: EIA weekly retail gasoline price, 24 August 2026.
Estimates for informational purposes only. Real charging cost depends on your tariff, time of use, charger efficiency, temperature, driving style and state of charge. EPA figures are a standardised test result, not a promise about your car.