2026 Hyundai Ioniq 5 Robo taxi: home charging cost in Idaho

A 2026 Hyundai Ioniq 5 Robo taxi draws 47.5 kWh per 100 miles per the EPA; at Idaho's 12.8¢/kWh residential rate that's $6.08 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 62% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Hyundai Ioniq 5 Robo taxi charged at home in Idaho costs about $913/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,490 a year.

Filling up the 2026 Hyundai Ioniq 5 Robo taxi, in dollars

A 2026 Hyundai Ioniq 5 Robo taxi needs roughly 79.8 kWh to reach its EPA-rated 168-mile range, which runs about $10.22 at 12.8¢/kWh in Idaho.

2026 Hyundai Ioniq 5 Robo taxi in Idaho, ranked

This combination ranks 9,806 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Hyundai Ioniq 5 Robo taxi alone ranks 375 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.

Line up a few Idaho electrician quotes for Level 2 install before you commit either way.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. 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.