2026 Ford Mustang Mach-E RWD: home charging cost in Wisconsin

At Wisconsin's residential electricity rate of 18.99¢/kWh, a 2026 Ford Mustang Mach-E RWD (rated 31.4 kWh per 100 miles by the EPA) costs $5.97 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 is much cheaper than gas here: 62.7% 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 RWD charged at home in Wisconsin costs about $895/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,507 a year.

What one full charge costs

A 2026 Ford Mustang Mach-E RWD needs roughly 81.7 kWh to reach its EPA-rated 260-mile range, which runs about $15.52 at 18.99¢/kWh in Wisconsin.

How this compares nationally

This combination ranks 9,352 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Ford Mustang Mach-E RWD alone ranks 79 of 400 models for efficiency; Wisconsin alone ranks 35 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.

Line up a few Wisconsin electrician quotes for Level 2 install before you commit either way.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 18.99¢/kWh, Wisconsin sits in the middle of the national range — the guide to why charging cost varies by state shows where.