Charging a 2027 Hyundai Ioniq 9 AWD Performance at home in South Dakota

In South Dakota, home electricity runs 14.33¢/kWh — put a 2027 Hyundai Ioniq 9 AWD Performance's EPA-rated 40 kWh/100mi against that and 100 miles costs $5.73, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 64.2% cheaper per mile than gasoline in South Dakota — charging at home is much cheaper than gas here.

2027 Hyundai Ioniq 9 AWD Performance: yearly cost in South Dakota

South Dakota owners putting 15,000 annual miles on a 2027 Hyundai Ioniq 9 AWD Performance spend about $860 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,543 saved annually, at this mileage.

Cost of a full charge

At South Dakota's rate, fully covering this 2027 Hyundai Ioniq 9 AWD Performance's 311-mile EPA range costs about $17.83 (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 South Dakota ranks 8,168 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 South Dakota ranks 14 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.

Ask a licensed South Dakota electrician to quote the install before this math becomes a real decision.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how South Dakota's 14.33¢/kWh compares? The guide to charging cost by state ranks every state side by side.