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

A 2026 Lexus RZ 550e AWD draws 35.3 kWh per 100 miles per the EPA; at Oklahoma's 13.37¢/kWh residential rate that's $4.72 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 70.5% cheaper per mile than gasoline in Oklahoma — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Oklahoma owners putting 15,000 annual miles on a 2026 Lexus RZ 550e AWD spend about $708 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,695 saved annually, at this mileage.

Cost of a full charge

At Oklahoma's rate, fully covering this 2026 Lexus RZ 550e AWD's 229-mile EPA range costs about $10.81 (80.9 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Lexus RZ 550e AWD in Oklahoma ranks 3,327 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 Oklahoma ranks 5 of 51 for cheapest residential electricity.

Before you install a home charger in Oklahoma

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.

Get quotes from local electricians for Level 2 charger installation in Oklahoma before deciding.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Oklahoma is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.