Charging a 2026 Hyundai Ioniq 5 Robo taxi at home in Montana

A 2026 Hyundai Ioniq 5 Robo taxi draws 47.5 kWh per 100 miles per the EPA; at Montana's 13.77¢/kWh residential rate that's $6.54 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 59.1% cheaper per mile than gasoline in Montana — charging at home is much cheaper than gas here.

What a year of driving costs

Montana owners putting 15,000 annual miles on a 2026 Hyundai Ioniq 5 Robo taxi spend about $982 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,421 saved annually, at this mileage.

Cost of a full charge

At Montana's rate, fully covering this 2026 Hyundai Ioniq 5 Robo taxi's 168-mile EPA range costs about $10.99 (79.8 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Hyundai Ioniq 5 Robo taxi in Montana ranks 11,636 for cost savings versus gas — 1 being the best deal nationally. Separately, the Hyundai Ioniq 5 Robo taxi ranks 375 of 400 EV models for raw efficiency, and Montana ranks 10 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Hyundai Ioniq 5 Robo taxi at home

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

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

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Hyundai Ioniq 5 Robo taxi's cost in Montana. Curious how Montana's 13.77¢/kWh compares? The guide to charging cost by state ranks every state side by side.