2026 Ford Mustang Mach-E AWD Extended: home charging cost in Washington
At Washington's residential electricity rate of 14.35¢/kWh, a 2026 Ford Mustang Mach-E AWD Extended (rated 32.3 kWh per 100 miles by the EPA) costs $4.63 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: 71.1% 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 Ford Mustang Mach-E AWD Extended charged at home in Washington costs about $694/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,709 a year.
What one full charge costs
A 2026 Ford Mustang Mach-E AWD Extended needs roughly 96.8 kWh to reach its EPA-rated 300-mile range, which runs about $13.89 at 14.35¢/kWh in Washington.
How this compares nationally
This combination ranks 2,939 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Ford Mustang Mach-E AWD Extended alone ranks 97 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
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Washington's 14.35¢/kWh compares? The guide to charging cost by state ranks every state side by side.