Wisconsin home charging cost for the 2026 BMW i7 eDrive50 Sedan (20 inch Wheels)

A 2026 BMW i7 eDrive50 Sedan (20 inch Wheels) draws 39.9 kWh per 100 miles per the EPA; at Wisconsin's 18.99¢/kWh residential rate that's $7.57 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 52.7% 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 BMW i7 eDrive50 Sedan (20 inch Wheels) costs roughly $1,136 a year to charge at home in Wisconsin, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,267 a year.

Cost of a full charge

Covering the 2026 BMW i7 eDrive50 Sedan (20 inch Wheels)'s EPA-rated 301-mile range takes about 120 kWh, which costs about $22.79 at Wisconsin'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 14,317 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 eDrive50 Sedan (20 inch Wheels) alone ranks 261 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. Wisconsin's 18.99¢/kWh rate ranks 35 of 51 states; the state rate guide lays out the full spread.