What it costs to charge a 2026 Ford Mustang Mach-E RWD Extended in Washington

A 2026 Ford Mustang Mach-E RWD Extended draws 30.7 kWh per 100 miles per the EPA; at Washington's 14.35¢/kWh residential rate that's $4.4 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 72.5% cheaper per mile than gasoline in Washington — charging at home costs a fraction of what gas would here.

2026 Ford Mustang Mach-E RWD Extended: yearly cost in Washington

Home charging this 2026 Ford Mustang Mach-E RWD Extended in Washington runs about $660 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,743 saved annually, at this mileage.

What one full charge costs

$14.08 — that's what Washington's 14.35¢/kWh rate puts on the 98.1 kWh a 2026 Ford Mustang Mach-E RWD Extended needs for its full 320-mile EPA range.

2026 Ford Mustang Mach-E RWD Extended in Washington, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Ford Mustang Mach-E RWD Extended in Washington ranks 2,109 for cost savings versus gas — 1 being the best deal nationally. Separately, the Ford Mustang Mach-E RWD Extended ranks 71 of 400 EV models for raw efficiency, and Washington ranks 15 of 51 for cheapest residential electricity.

Next step: home charger installation

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Get quotes from local electricians for Level 2 charger installation in Washington before deciding.

More on how this number was built

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.