Connecticut home charging cost for the 2026 Lexus RZ 550e AWD
At Connecticut's residential electricity rate of 28.82¢/kWh, a 2026 Lexus RZ 550e AWD (rated 35.3 kWh per 100 miles by the EPA) costs $10.18 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. Charging at home is cheaper than gas here: 36.5% less than gas per mile, here specifically.
What a year of driving costs
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Lexus RZ 550e AWD costs roughly $1,527 a year to charge at home in Connecticut, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $876 a year.
Filling up the 2026 Lexus RZ 550e AWD, in dollars
Covering the 2026 Lexus RZ 550e AWD's EPA-rated 229-mile range takes about 80.9 kWh, which costs about $23.31 at Connecticut's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
2026 Lexus RZ 550e AWD in Connecticut, ranked
This combination ranks 17,581 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; Connecticut alone ranks 45 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 Connecticut before deciding.
Where these figures come from
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 28.82¢/kWh, Connecticut sits in the middle of the national range — the guide to why charging cost varies by state shows where.