Charging a 2027 Hyundai Ioniq 9 AWD Performance at home in Oklahoma
In Oklahoma, home electricity runs 13.37¢/kWh — put a 2027 Hyundai Ioniq 9 AWD Performance's EPA-rated 40 kWh/100mi against that and 100 miles costs $5.35, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 66.6% 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
Oklahoma owners putting 15,000 annual miles on a 2027 Hyundai Ioniq 9 AWD Performance spend about $802 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,601 saved annually, at this mileage.
What one full charge costs
At Oklahoma's rate, fully covering this 2027 Hyundai Ioniq 9 AWD Performance's 311-mile EPA range costs about $16.63 (124.4 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 2027 Hyundai Ioniq 9 AWD Performance in Oklahoma ranks 6,233 for cost savings versus gas — 1 being the best deal nationally. Separately, the Hyundai Ioniq 9 AWD Performance ranks 267 of 400 EV models for raw efficiency, and Oklahoma ranks 5 of 51 for cheapest residential electricity.
Before you install a home charger in Oklahoma
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
The methodology guide names the exact EIA and EPA tables behind this page's numbers. 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.