2026 Tesla Model X: home charging cost in Washington
A 2026 Tesla Model X draws 32.2 kWh per 100 miles per the EPA; at Washington's 14.35¢/kWh residential rate that's $4.62 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: 71.2% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Tesla Model X charged at home in Washington costs about $693/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,710 a year.
Filling up the 2026 Tesla Model X, in dollars
A 2026 Tesla Model X needs roughly 113.4 kWh to reach its EPA-rated 352-mile range, which runs about $16.27 at 14.35¢/kWh in Washington.
Where this ranks
This combination ranks 2,867 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Tesla Model X alone ranks 95 of 400 models for efficiency; Washington alone ranks 15 of 51 states for electricity price.
Getting set up to charge a 2026 Tesla Model X 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
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.