2026 Lexus RZ 450e AWD (18 inch wheels): home charging cost in Kentucky

A 2026 Lexus RZ 450e AWD (18 inch wheels) draws 30.5 kWh per 100 miles per the EPA; at Kentucky's 14.37¢/kWh residential rate that's $4.39 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home costs a fraction of what gas would here: 72.6% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Lexus RZ 450e AWD (18 inch wheels) charged at home in Kentucky costs about $658/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,745 a year.

Cost of a full charge

A 2026 Lexus RZ 450e AWD (18 inch wheels) needs roughly 80.6 kWh to reach its EPA-rated 264-mile range, which runs about $11.58 at 14.37¢/kWh in Kentucky.

2026 Lexus RZ 450e AWD (18 inch wheels) in Kentucky, ranked

This combination ranks 2,012 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Lexus RZ 450e AWD (18 inch wheels) alone ranks 66 of 400 models for efficiency; Kentucky alone ranks 16 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 Kentucky before deciding.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Lexus RZ 450e AWD (18 inch wheels)'s cost in Kentucky. Kentucky's 14.37¢/kWh rate ranks 16 of 51 states; the state rate guide lays out the full spread.