Washington home charging cost for the 2026 Tesla Model Y Standard RWD (19in Wheels)
At Washington's residential electricity rate of 14.35¢/kWh, a 2026 Tesla Model Y Standard RWD (19in Wheels) (rated 25.7 kWh per 100 miles by the EPA) costs $3.69 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 costs a fraction of what gas would here: 77% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Tesla Model Y Standard RWD (19in Wheels) costs roughly $553 a year to charge at home in Washington, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,850 a year.
Cost of a full charge
Covering the 2026 Tesla Model Y Standard RWD (19in Wheels)'s EPA-rated 303-mile range takes about 77.8 kWh, which costs about $11.17 at Washington's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
Where this ranks
This combination ranks 377 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Tesla Model Y Standard RWD (19in Wheels) alone ranks 9 of 400 models for efficiency; Washington alone ranks 15 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.
Line up a few Washington electrician quotes for Level 2 install before you commit either way.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 14.35¢/kWh, Washington sits in the middle of the national range — the guide to why charging cost varies by state shows where.