What it costs to charge a 2027 Hyundai Ioniq 9 RWD in Maryland

In Maryland, home electricity runs 21.27¢/kWh — put a 2027 Hyundai Ioniq 9 RWD's EPA-rated 37 kWh/100mi against that and 100 miles costs $7.87, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 50.9% cheaper per mile than gasoline in Maryland — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2027 Hyundai Ioniq 9 RWD in Maryland runs about $1,180 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,222 saved annually, at this mileage.

Filling up the 2027 Hyundai Ioniq 9 RWD, in dollars

$26.36 — that's what Maryland's 21.27¢/kWh rate puts on the 124 kWh a 2027 Hyundai Ioniq 9 RWD needs for its full 335-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Hyundai Ioniq 9 RWD in Maryland ranks 14,853 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 Maryland ranks 39 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.

Get quotes from local electricians for Level 2 charger installation in Maryland before deciding.

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 Maryland. At 21.27¢/kWh, Maryland sits in the middle of the national range — the guide to why charging cost varies by state shows where.