2026 Lexus RZ 550e AWD: home charging cost in Idaho

In Idaho, home electricity runs 12.8¢/kWh — put a 2026 Lexus RZ 550e AWD's EPA-rated 35.3 kWh/100mi against that and 100 miles costs $4.52, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 71.8% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Lexus RZ 550e AWD charged at home in Idaho costs about $678/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,725 a year.

Cost of a full charge

A 2026 Lexus RZ 550e AWD needs roughly 80.9 kWh to reach its EPA-rated 229-mile range, which runs about $10.35 at 12.8¢/kWh in Idaho.

2026 Lexus RZ 550e AWD in Idaho, ranked

This combination ranks 2,484 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; Idaho alone ranks 3 of 51 states for electricity price.

Getting set up to charge a 2026 Lexus RZ 550e AWD 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 Idaho electrician quotes for Level 2 install before you commit either way.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Idaho is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.