2026 Kia EV9 Long Range AWD GT-Line: home charging cost in Idaho

At Idaho's residential electricity rate of 12.8¢/kWh, a 2026 Kia EV9 Long Range AWD GT-Line (rated 41 kWh per 100 miles by the EPA) costs $5.25 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. Charging at home costs a fraction of what gas would here: 67.2% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Kia EV9 Long Range AWD GT-Line charged at home in Idaho costs about $787/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,616 a year.

Filling up the 2026 Kia EV9 Long Range AWD GT-Line, in dollars

A 2026 Kia EV9 Long Range AWD GT-Line needs roughly 114.8 kWh to reach its EPA-rated 280-mile range, which runs about $14.69 at 12.8¢/kWh in Idaho.

Where this ranks

This combination ranks 5,721 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Kia EV9 Long Range AWD GT-Line alone ranks 286 of 400 models for efficiency; Idaho alone ranks 3 of 51 states for electricity price.

Before you install a home charger in Idaho

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Get quotes from local electricians for Level 2 charger installation in Idaho before deciding.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Kia EV9 Long Range AWD GT-Line's cost in Idaho. Idaho is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.