Charging a 2026 Lexus RZ 550e AWD at home in Kentucky

A 2026 Lexus RZ 550e AWD draws 35.3 kWh per 100 miles per the EPA; at Kentucky's 14.37¢/kWh residential rate that's $5.07 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 68.3% cheaper per mile than gasoline in Kentucky — charging at home costs a fraction of what gas would here.

What a year of driving costs

Kentucky owners putting 15,000 annual miles on a 2026 Lexus RZ 550e AWD spend about $761 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,642 saved annually, at this mileage.

What one full charge costs

At Kentucky's rate, fully covering this 2026 Lexus RZ 550e AWD's 229-mile EPA range costs about $11.62 (80.9 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 Lexus RZ 550e AWD in Kentucky, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Lexus RZ 550e AWD in Kentucky ranks 4,878 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 Kentucky ranks 16 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Lexus RZ 550e AWD at home

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.

Line up a few Kentucky electrician quotes for Level 2 install before you commit either way.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 14.37¢/kWh, Kentucky sits in the middle of the national range — the guide to why charging cost varies by state shows where.