State data
Idaho electricity and gas prices
Idaho's average residential electricity rate is 10.9¢/kWh,below the national average by 32%. Gasoline averages $3.35/gallon, above the national average by 2%. That ranks Idaho #1 of 51 for cheapest electricity.
Data last updated: 2026-01-01. Sources: U.S. Energy Information Administration (EIA), state average residential electricity price; AAA, state average regular gasoline price.
Electricity rate
10.9¢/kWh
Gasoline price
$3.35/gal
Example: 12,000 miles a year in Idaho
A gas car at 28 MPG driving 12,000 miles a year in Idaho spends about $1,436 on gasoline. An EV at 3.5 mi/kWh charging at home over the same distance spends about $374 on electricity — a difference of $1,062 a year.
Run your own numbers for Idaho in the full calculator →
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