Washington home charging cost for the 2026 Ford Mustang Mach-E AWD
At Washington's residential electricity rate of 14.35¢/kWh, a 2026 Ford Mustang Mach-E AWD (rated 33.6 kWh per 100 miles by the EPA) costs $4.83 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: 69.9% less than gas per mile, here specifically.
What a year of driving costs
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Ford Mustang Mach-E AWD costs roughly $724 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 $1,679 a year.
What one full charge costs
Covering the 2026 Ford Mustang Mach-E AWD's EPA-rated 240-mile range takes about 80.7 kWh, which costs about $11.58 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 3,739 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Ford Mustang Mach-E AWD alone ranks 116 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.
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 Ford Mustang Mach-E AWD's cost in Washington. At 14.35¢/kWh, Washington sits in the middle of the national range — the guide to why charging cost varies by state shows where.