Charging a 2026 Ford Mustang Mach-E AWD Extended at home in Hawaii

A 2026 Ford Mustang Mach-E AWD Extended draws 32.3 kWh per 100 miles per the EPA; at Hawaii's 45.95¢/kWh residential rate that's $14.82 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 7.5% cheaper per mile than gasoline in Hawaii — charging at home costs a little less than gas here.

What a year of driving costs

Hawaii owners putting 15,000 annual miles on a 2026 Ford Mustang Mach-E AWD Extended spend about $2,223 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $180 saved annually, at this mileage.

Filling up the 2026 Ford Mustang Mach-E AWD Extended, in dollars

At Hawaii's rate, fully covering this 2026 Ford Mustang Mach-E AWD Extended's 300-mile EPA range costs about $44.47 (96.8 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Ford Mustang Mach-E AWD Extended in Hawaii ranks 19,995 for cost savings versus gas — 1 being the best deal nationally. Separately, the Ford Mustang Mach-E AWD Extended ranks 97 of 400 EV models for raw efficiency, and Hawaii ranks 51 of 51 for cheapest residential electricity.

Before you install a home charger in Hawaii

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.

Ask a licensed Hawaii electrician to quote the install before this math becomes a real decision.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Ford Mustang Mach-E AWD Extended's cost in Hawaii. Hawaii has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.