2027 Hyundai Ioniq 9 AWD: home charging cost in Tennessee
A 2027 Hyundai Ioniq 9 AWD draws 38 kWh per 100 miles per the EPA; at Tennessee's 13.9¢/kWh residential rate that's $5.28 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home costs a fraction of what gas would here: 67% less than gas per mile, here specifically.
What a year of driving costs
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Hyundai Ioniq 9 AWD charged at home in Tennessee costs about $792/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,611 a year.
Filling up the 2027 Hyundai Ioniq 9 AWD, in dollars
A 2027 Hyundai Ioniq 9 AWD needs roughly 121.6 kWh to reach its EPA-rated 320-mile range, which runs about $16.9 at 13.9¢/kWh in Tennessee.
Where this ranks
This combination ranks 5,921 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Hyundai Ioniq 9 AWD alone ranks 216 of 400 models for efficiency; Tennessee alone ranks 13 of 51 states for electricity price.
Next step: home charger installation
The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.
Get quotes from local electricians for Level 2 charger installation in Tennessee before deciding.
Where these figures come from
See the methodology guide for exactly which EIA and EPA figures feed 2027 Hyundai Ioniq 9 AWD's cost in Tennessee. Tennessee's 13.9¢/kWh rate ranks 13 of 51 states; the state rate guide lays out the full spread.