EV vs Gas Cost in Idaho (2026)
Idaho electricity averages 10.8¢/kWh. Gas is $3.35/gallon. Driving an EV 12,000 miles costs $370/year vs $1,340/year for a 30 MPG gas car.
Annual savings
$970
per year
5-year savings
$4,850
fuel only
EV/mile
3.1¢
vs 11.2¢ gas
State rebate
None
no program
Idaho beats the national average
National average EV fuel savings: $728/year. Idaho comes in $242/year higher. Cheap electricity (10.8¢/kWh) and high gas ($3.35/gal) — strong combination for EV owners.
Idaho: EV vs gas full breakdown
| EV | Gas car (30 MPG) | |
|---|---|---|
| Fuel rate | 10.8¢/kWh | $3.35/gal |
| Cost per mile | 3.1¢/mile | 11.2¢/mile |
| Annual fuel (12,000 mi) | $370 | $1,340 |
| 5-year fuel | $1,850 | $6,700 |
| Annual fuel savings | $970/yr · $4,850 over 5 years | |
3.5 mi/kWh EV efficiency · 30 MPG gas car · home charging · 2026 EIA electricity rates and GasBuddy gas prices
Idaho savings calculator — adjust for your situation
EV annual fuel
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Gas annual fuel
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Annual savings
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Electricity: 10.8¢/kWh · Gas: $3.35/gal · Idaho 2026 rates
Idaho EV incentives (2026)
No state rebate program
No state EV rebate program.
Utility rebates
Idaho Power offers $200 rebate for Level 2 EV charger installation.
Electricity: 10.8¢/kWh
5.3¢ below the national average of 16.1¢/kWh. A full 75 kWh battery charge costs $8.1.
Source: EIA 2026 residential rates
Gas: $3.35/gallon
$0.15 above the national average of $3.2/gal. Filling a 15-gallon tank costs $50.25 in Idaho.
Source: GasBuddy 2026 state averages
EV charging availability in Idaho
Building outIdaho is expanding its public charging network. Home charging handles most daily miles. Highway charging gaps exist in some rural areas.
Compare other states
More Idaho EV data