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

A 2026 Hyundai Ioniq 5 Robo taxi draws 47.5 kWh per 100 miles per the EPA; at Oklahoma's 13.37¢/kWh residential rate that's $6.35 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 60.3% cheaper per mile than gasoline in Oklahoma — charging at home is much cheaper than gas here.

What a year of driving costs

Oklahoma owners putting 15,000 annual miles on a 2026 Hyundai Ioniq 5 Robo taxi spend about $953 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,450 saved annually, at this mileage.

Cost of a full charge

At Oklahoma's rate, fully covering this 2026 Hyundai Ioniq 5 Robo taxi's 168-mile EPA range costs about $10.68 (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 Oklahoma ranks 10,902 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 Oklahoma ranks 5 of 51 for cheapest residential electricity.

Next step: home charger installation

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 Oklahoma before deciding.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Oklahoma is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.