Charging a 2027 Hyundai Ioniq 9 RWD at home in Tennessee

In Tennessee, home electricity runs 13.9¢/kWh — put a 2027 Hyundai Ioniq 9 RWD's EPA-rated 37 kWh/100mi against that and 100 miles costs $5.14, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 67.9% cheaper per mile than gasoline in Tennessee — charging at home costs a fraction of what gas would here.

2027 Hyundai Ioniq 9 RWD: yearly cost in Tennessee

Tennessee owners putting 15,000 annual miles on a 2027 Hyundai Ioniq 9 RWD spend about $771 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,631 saved annually, at this mileage.

Cost of a full charge

At Tennessee's rate, fully covering this 2027 Hyundai Ioniq 9 RWD's 335-mile EPA range costs about $17.23 (124 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 RWD in Tennessee ranks 5,213 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 Tennessee ranks 13 of 51 for cheapest residential electricity.

Getting set up to charge a 2027 Hyundai Ioniq 9 RWD 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.

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

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 Hyundai Ioniq 9 RWD's cost in Tennessee. At 13.9¢/kWh, Tennessee sits in the middle of the national range — the guide to why charging cost varies by state shows where.