Cost to Charge a BMW iX in Idaho

$17.84 for a full charge at 14.37¢/kWh — $4.11 per 100 miles, about $493 a year.

BMW iX in Idaho

$17.84 for a full charge

Per 100 miles: $4.11
Per mile: $0.04
Per year: $493
vs petrol / yr: $1,141

Electricity per year
Petrol per year

The full picture

Charging cost breakdown for a BMW iX
Item	Energy	Cost
This charge	124.1 kWh	$17.84
Full charge (0–100%)	124.1 kWh	$17.84
Per 100 miles	28.6 kWh	$4.11
Per year (12,000 mi)	3432.0 kWh	$493
Same year on petrol (30 mpg)	—	$1,634
Difference	—	$1,141

What charging actually costs here

Filling a BMW iX from empty in Idaho costs $17.84. The car draws 124.1 kWh from the wall for a full 434-mile charge, and Idaho residential electricity averages 14.37¢ per kWh. That works out at $4.11 per 100 miles, or $0.04 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 $16.27 to fill in Nevada and $65.44 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 3.3× cheaper per mile: $4.11 versus $13.62 per 100 miles. Over 12,000 miles a year that is $1,141 saved.

Similar EVs in Idaho

Charging cost of comparable EVs in Idaho
Vehicle	Per 100 mi	Full charge	Per year
BMW i5	28.9 kWh	$13.62	$498
Fiat 500e	29.2 kWh	$6.25	$504
Hyundai Ioniq 6	28 kWh	$12.71	$483
Subaru Solterra	28 kWh	$11.59	$483
Toyota bZ	28 kWh	$11.59	$483
Audi Q4 e-tron	29.4 kWh	$12.17	$507

The same car in nearby-priced states

Charging a BMW iX in states with similar electricity prices
State	¢/kWh	Full charge	Per year
North Dakota	14.12	$17.53	$485
Kentucky	14.26	$17.70	$489
Oklahoma	14.33	$17.79	$492
North Carolina	14.74	$18.30	$506
Mississippi	14.88	$18.47	$511
Washington	14.91	$18.51	$512

Frequently asked questions

How much does it cost to charge a BMW iX in Idaho?

$17.84 for a full charge from empty. The car needs 124.1 kWh at the wall and Idaho residential electricity averages 14.37¢ per kWh.

How much does a BMW iX cost per mile in Idaho?

About $0.04 a mile, or $4.11 per 100 miles. Over 12,000 miles a year that is roughly $493 of electricity.

Is charging a BMW iX cheaper than petrol in Idaho?

Yes — 3.3 times cheaper per mile. Electricity costs $4.11 per 100 miles here against $13.62 for a 30 mpg petrol car at $4.09 a gallon, a saving of about $1,141 a year.

How long does a full charge last?

The EPA rates the BMW iX at 434 miles combined. Cold weather, motorway speeds and a loaded car all reduce that; the EPA number is a standardised test, not a guarantee.

Does this include charging losses?

Yes. The EPA's 28.6 kWh/100 mi figure is measured at the wall socket, so the energy lost in the charger and cabling is already in the number. No extra efficiency factor is applied.

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.