2026 Tesla Model Y Long Range RWD: home charging cost in Washington
In Washington, home electricity runs 14.35¢/kWh — put a 2026 Tesla Model Y Long Range RWD's EPA-rated 25.2 kWh/100mi against that and 100 miles costs $3.62, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 77.4% less than gas per mile, here specifically.
What a year of driving costs
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Tesla Model Y Long Range RWD charged at home in Washington costs about $543/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,860 a year.
What one full charge costs
A 2026 Tesla Model Y Long Range RWD needs roughly 90.1 kWh to reach its EPA-rated 357-mile range, which runs about $12.92 at 14.35¢/kWh in Washington.
2026 Tesla Model Y Long Range RWD in Washington, ranked
This combination ranks 295 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Tesla Model Y Long Range RWD alone ranks 6 of 400 models for efficiency; Washington alone ranks 15 of 51 states for electricity price.
Getting set up to charge a 2026 Tesla Model Y Long Range RWD at home
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 Washington before deciding.
Where these figures come from
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Washington's 14.35¢/kWh rate ranks 15 of 51 states; the state rate guide lays out the full spread.