Washington home charging cost for the 2026 Tesla Model 3 Performance
A 2026 Tesla Model 3 Performance draws 29.6 kWh per 100 miles per the EPA; at Washington's 14.35¢/kWh residential rate that's $4.25 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home costs a fraction of what gas would here: 73.5% less than gas per mile, here specifically.
2026 Tesla Model 3 Performance: yearly cost in Washington
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Tesla Model 3 Performance costs roughly $637 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 $1,766 a year.
Filling up the 2026 Tesla Model 3 Performance, in dollars
Covering the 2026 Tesla Model 3 Performance's EPA-rated 309-mile range takes about 91.4 kWh, which costs about $13.12 at Washington's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
How this compares nationally
This combination ranks 1,599 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Tesla Model 3 Performance alone ranks 52 of 400 models for efficiency; Washington alone ranks 15 of 51 states for electricity price.
Before you install a home charger in Washington
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
See the methodology guide for exactly which EIA and EPA figures feed 2026 Tesla Model 3 Performance's cost in Washington. Washington's 14.35¢/kWh rate ranks 15 of 51 states; the state rate guide lays out the full spread.