Charging a 2026 Lexus RZ 350e FWD (20 inch wheels) at home in Rhode Island
At Rhode Island's residential electricity rate of 29.45¢/kWh, a 2026 Lexus RZ 350e FWD (20 inch wheels) (rated 28.1 kWh per 100 miles by the EPA) costs $8.29 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 48.3% cheaper per mile than gasoline in Rhode Island — charging at home is much cheaper than gas here.
Annual cost, at 15 thousands miles a year
Rhode Island owners putting 15,000 annual miles on a 2026 Lexus RZ 350e FWD (20 inch wheels) spend about $1,243 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,160 saved annually, at this mileage.
What one full charge costs
At Rhode Island's rate, fully covering this 2026 Lexus RZ 350e FWD (20 inch wheels)'s 284-mile EPA range costs about $23.53 (79.9 kWh) — the energy the EPA test actually used, not the battery's rated size.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Lexus RZ 350e FWD (20 inch wheels) in Rhode Island ranks 15,485 for cost savings versus gas — 1 being the best deal nationally. Separately, the Lexus RZ 350e FWD (20 inch wheels) ranks 28 of 400 EV models for raw efficiency, and Rhode Island ranks 47 of 51 for cheapest residential electricity.
Before you install a home charger in Rhode Island
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.
Ask a licensed Rhode Island electrician to quote the install before this math becomes a real decision.
More on how this number was built
See the methodology guide for exactly which EIA and EPA figures feed 2026 Lexus RZ 350e FWD (20 inch wheels)'s cost in Rhode Island. Rhode Island has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.