2027 Hyundai Ioniq 9 RWD: home charging cost in Missouri
In Missouri, home electricity runs 13.45¢/kWh — put a 2027 Hyundai Ioniq 9 RWD's EPA-rated 37 kWh/100mi against that and 100 miles costs $4.98, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 68.9% 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 RWD charged at home in Missouri costs about $746/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,656 a year.
Filling up the 2027 Hyundai Ioniq 9 RWD, in dollars
A 2027 Hyundai Ioniq 9 RWD needs roughly 124 kWh to reach its EPA-rated 335-mile range, which runs about $16.67 at 13.45¢/kWh in Missouri.
Where this ranks
This combination ranks 4,446 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Hyundai Ioniq 9 RWD alone ranks 193 of 400 models for efficiency; Missouri alone ranks 7 of 51 states for electricity price.
Getting set up to charge a 2027 Hyundai Ioniq 9 RWD at home
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.
Line up a few Missouri electrician quotes for Level 2 install before you commit either way.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 13.45¢/kWh, Missouri sits in the middle of the national range — the guide to why charging cost varies by state shows where.