Illinois home charging cost for the 2026 Lexus RZ 550e AWD

A 2026 Lexus RZ 550e AWD draws 35.3 kWh per 100 miles per the EPA; at Illinois's 19.22¢/kWh residential rate that's $6.79 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 57.6% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Lexus RZ 550e AWD costs roughly $1,018 a year to charge at home in Illinois, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,385 a year.

What one full charge costs

Covering the 2026 Lexus RZ 550e AWD's EPA-rated 229-mile range takes about 80.9 kWh, which costs about $15.54 at Illinois'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 12,419 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Lexus RZ 550e AWD alone ranks 157 of 400 models for efficiency; Illinois alone ranks 36 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 Illinois before deciding.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Illinois's 19.22¢/kWh rate ranks 36 of 51 states; the state rate guide lays out the full spread.