Texas home charging cost for the 2027 Hyundai Ioniq 9 RWD

At Texas's residential electricity rate of 16.11¢/kWh, a 2027 Hyundai Ioniq 9 RWD (rated 37 kWh per 100 miles by the EPA) costs $5.96 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. Charging at home is much cheaper than gas here: 62.8% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Hyundai Ioniq 9 RWD costs roughly $894 a year to charge at home in Texas, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,509 a year.

What one full charge costs

Covering the 2027 Hyundai Ioniq 9 RWD's EPA-rated 335-mile range takes about 124 kWh, which costs about $19.97 at Texas's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 9,268 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; Texas alone ranks 28 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 Texas 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. Texas's 16.11¢/kWh rate ranks 28 of 51 states; the state rate guide lays out the full spread.