2027 BMW i5 eDrive40 Sedan (21 inch Wheels): home charging cost in Wisconsin
In Wisconsin, home electricity runs 18.99¢/kWh — put a 2027 BMW i5 eDrive40 Sedan (21 inch Wheels)'s EPA-rated 33.9 kWh/100mi against that and 100 miles costs $6.43, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 59.9% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 BMW i5 eDrive40 Sedan (21 inch Wheels) charged at home in Wisconsin costs about $965/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,438 a year.
Cost of a full charge
A 2027 BMW i5 eDrive40 Sedan (21 inch Wheels) needs roughly 94.8 kWh to reach its EPA-rated 280-mile range, which runs about $18 at 18.99¢/kWh in Wisconsin.
How this compares nationally
This combination ranks 11,212 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i5 eDrive40 Sedan (21 inch Wheels) alone ranks 120 of 400 models for efficiency; Wisconsin alone ranks 35 of 51 states for electricity price.
Before you install a home charger in Wisconsin
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 Wisconsin before deciding.
Where these figures come from
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Wisconsin's 18.99¢/kWh compares? The guide to charging cost by state ranks every state side by side.