What it costs to charge a 2026 Lexus RZ 550e AWD in Iowa
In Iowa, home electricity runs 13.77¢/kWh — put a 2026 Lexus RZ 550e AWD's EPA-rated 35.3 kWh/100mi against that and 100 miles costs $4.86, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 69.6% cheaper per mile than gasoline in Iowa — charging at home costs a fraction of what gas would here.
Annual cost, at 15 thousands miles a year
Home charging this 2026 Lexus RZ 550e AWD in Iowa runs about $729 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,674 saved annually, at this mileage.
Filling up the 2026 Lexus RZ 550e AWD, in dollars
$11.14 — that's what Iowa's 13.77¢/kWh rate puts on the 80.9 kWh a 2026 Lexus RZ 550e AWD needs for its full 229-mile EPA range.
2026 Lexus RZ 550e AWD in Iowa, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Lexus RZ 550e AWD in Iowa ranks 3,892 for cost savings versus gas — 1 being the best deal nationally. Separately, the Lexus RZ 550e AWD ranks 157 of 400 EV models for raw efficiency, and Iowa ranks 9 of 51 for cheapest residential electricity.
Before you install a home charger in Iowa
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 Iowa electrician to quote the install before this math becomes a real decision.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Iowa's 13.77¢/kWh rate ranks 9 of 51 states; the state rate guide lays out the full spread.