What it costs to charge a 2027 Hyundai Ioniq 9 RWD in Oklahoma

In Oklahoma, home electricity runs 13.37¢/kWh — put a 2027 Hyundai Ioniq 9 RWD's EPA-rated 37 kWh/100mi against that and 100 miles costs $4.95, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 69.1% cheaper per mile than gasoline in Oklahoma — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Home charging this 2027 Hyundai Ioniq 9 RWD in Oklahoma runs about $742 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,661 saved annually, at this mileage.

Filling up the 2027 Hyundai Ioniq 9 RWD, in dollars

$16.57 — that's what Oklahoma's 13.37¢/kWh rate puts on the 124 kWh a 2027 Hyundai Ioniq 9 RWD needs for its full 335-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Hyundai Ioniq 9 RWD in Oklahoma ranks 4,312 for cost savings versus gas — 1 being the best deal nationally. Separately, the Hyundai Ioniq 9 RWD ranks 193 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.