EV vs Gas Savings in Idaho (2026)
Idaho electricity averages 9.6¢/kWh and gas runs $3.3/gallon. Driving an EV 12,000 miles costs $329/year in fuel. A 30 MPG gas car costs $1320/year.
Annual savings
$991
per year
5-year savings
$4,955
fuel only
EV fuel/yr
$329
9.6¢/kWh
Gas fuel/yr
$1,320
$3.3/gal
Idaho beats the national average
The national average EV fuel savings is $728/year. Idaho comes in $263/year higher. Cheap electricity (9.6¢/kWh) plus high gas ($3.3/gal) is a strong combination.
Idaho EV vs gas: the full cost breakdown
| EV | Gas car | |
|---|---|---|
| Fuel rate | 9.6¢/kWh | $3.3/gal |
| Efficiency | 3.5 mi/kWh | 30 MPG |
| Annual fuel cost (12,000 mi) | $329 | $1,320 |
| 5-year fuel cost | $1,645 | $6,600 |
| EV fuel savings | $991/yr · $4,955 over 5 years | |
12,000 mi/yr · 3.5 mi/kWh EV · 30 MPG gas car · 2026 EIA and GasBuddy data · home charging only
Electricity: 9.6¢/kWh
6.5¢ below the national average of 16.1¢/kWh. At this rate, charging a 75 kWh battery pack from empty costs $7.2.
Source: EIA 2026 residential rates
Gas: $3.3/gallon
$0.1 above the national average of $3.2/gal. Filling a 15-gallon tank costs $49.5 in Idaho.
Source: GasBuddy 2026 state averages
More EV data for Idaho