EV Charging Cost in Idaho

Home electricity here averages 14.37¢/kWh, 10 of 51 nationally. That makes a full charge anywhere from $13.94 (Lucid Air) to $29.20 (GMC Hummer EV Pickup), and running costs of $398–$1,102 a year.

Every EV in Idaho, cheapest to run first

Charging cost of every electric car in Idaho
Vehicle kWh/100 mi Full charge Per 100 mi Per year vs petrol
Lucid Air23.1$13.94$3.32$398$1,236
Tesla Model 326.4$13.13$3.79$455$1,179
Tesla Model S27.1$15.97$3.89$467$1,167
Tesla Model Y27.5$12.92$3.95$474$1,160
Hyundai Ioniq 628$12.71$4.02$483$1,151
Subaru Solterra28$11.59$4.02$483$1,151
Toyota bZ28$11.59$4.02$483$1,151
BMW iX28.6$17.84$4.11$493$1,141
BMW i528.9$13.62$4.15$498$1,136
Fiat 500e29.2$6.25$4.20$504$1,130
Audi Q4 e-tron29.4$12.17$4.22$507$1,127
Volkswagen ID.429.8$12.46$4.28$514$1,120
Hyundai Ioniq 530$13.71$4.31$517$1,117
Nissan Leaf30.4$6.51$4.37$524$1,110
Genesis GV6030.6$13.46$4.40$528$1,106
BMW i430.8$11.11$4.43$531$1,103
Lucid Gravity31.1$20.11$4.47$536$1,098
Volvo EX3031.1$11.31$4.47$536$1,098
Tesla Model X32.2$16.29$4.63$555$1,079
Audi Q6 e-tron32.5$15.18$4.67$560$1,074
Chevrolet Equinox EV32.6$14.38$4.68$562$1,072
Polestar 233.5$13.38$4.81$578$1,056
Cadillac Optiq34$14.80$4.89$586$1,048
Mercedes-Benz EQS34$19.05$4.89$586$1,048
Honda Prologue34.1$14.41$4.90$588$1,046
Nissan Ariya34.4$14.29$4.94$593$1,041
Mini Cooper SE34.6$10.74$4.97$597$1,037
Porsche Macan Electric34.6$15.36$4.97$597$1,037
Lexus RZ35.3$11.62$5.07$609$1,025
Chevrolet Blazer EV35.7$14.52$5.13$616$1,018
Mercedes-Benz EQE36$15.93$5.17$621$1,013
Jeep Wagoneer S36.2$15.29$5.20$624$1,010
Cadillac Lyriq36.8$17.24$5.29$635$999
Volvo EX9036.8$14.60$5.29$635$999
Genesis Electrified GV7037.3$13.40$5.36$643$991
Ford Mustang Mach-E37.4$15.05$5.37$645$989
Polestar 337.5$16.81$5.39$647$987
Acura ZDX37.7$17.50$5.42$650$984
Hyundai Ioniq 938$17.47$5.46$655$979
Porsche Taycan39$16.42$5.60$673$961
Volkswagen ID. Buzz40.8$13.72$5.86$704$930
Kia EV641$13.61$5.89$707$927
Tesla Cybertruck42.9$20.04$6.16$740$894
Kia EV943$16.07$6.18$741$893
Rivian R1S44.4$23.86$6.38$766$868
Rivian R1T44.4$23.86$6.38$766$868
Chevrolet Silverado EV47.8$29.12$6.87$824$810
Ford F-150 Lightning49.4$17.04$7.10$852$782
GMC Sierra EV49.5$29.16$7.11$854$780
GMC Hummer EV Pickup63.9$29.20$9.18$1,102$532

Annual figures over 12,000 miles. Petrol comparison at 30 mpg and $4.09 a gallon.

What this means in Idaho

At 14.37 cents per kWh, Idaho is 5.05 cents below the national average. The same Lucid Air that costs $13.94 to fill here costs $12.72 in Nevada and $51.15 in Hawaii.

Every car on this page beats petrol here. The cheapest to run, the Lucid Air, saves about $1,236 a year against a 30 mpg car — and even the thirstiest still saves $532.

These are flat residential averages. Most utilities offer a time-of-use plan where overnight charging costs considerably less, and public fast charging costs considerably more. Each vehicle page lets you enter your own rate.

Frequently asked questions

How much does it cost to charge an electric car in Idaho?
Idaho residential electricity averages 14.37 cents per kWh, which ranks it 10 of 51 nationally. A full charge ranges from $13.94 for a Lucid Air to $29.20 for a GMC Hummer EV Pickup.
Which EV is cheapest to run in Idaho?
The Lucid Air, at $3.32 per 100 miles — roughly $398 a year over 12,000 miles. The most expensive to run is the GMC Hummer EV Pickup at $9.18 per 100 miles.
Is an EV cheaper than petrol in Idaho?
Yes, for every car here. A 30 mpg petrol car costs about $13.62 per 100 miles at $4.09 a gallon; even the thirstiest EV on this page comes in below that.
Why is electricity so cheap in Idaho?
Idaho sits 5.05 cents below the 19.42-cent national average. The national spread runs from 13.11 cents in Nevada to 52.72 in Hawaii — generation mix, fuel costs and transmission distance all feed into it.

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.

Data on this page last verified . How these figures are calculated

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