2026 BMW i7 eDrive50 Sedan (21 inch Wheels): home charging cost in Maine

In Maine, home electricity runs 29.67¢/kWh — put a 2026 BMW i7 eDrive50 Sedan (21 inch Wheels)'s EPA-rated 38.9 kWh/100mi against that and 100 miles costs $11.56, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is cheaper than gas here: 27.9% less than gas per mile, here specifically.

2026 BMW i7 eDrive50 Sedan (21 inch Wheels): yearly cost in Maine

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 BMW i7 eDrive50 Sedan (21 inch Wheels) charged at home in Maine costs about $1,733/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $670 a year.

What one full charge costs

A 2026 BMW i7 eDrive50 Sedan (21 inch Wheels) needs roughly 119.6 kWh to reach its EPA-rated 307-mile range, which runs about $35.48 at 29.67¢/kWh in Maine.

2026 BMW i7 eDrive50 Sedan (21 inch Wheels) in Maine, ranked

This combination ranks 18,723 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 eDrive50 Sedan (21 inch Wheels) alone ranks 236 of 400 models for efficiency; Maine alone ranks 48 of 51 states for electricity price.

Before you install a home charger in Maine

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 Maine electrician quotes for Level 2 install before you commit either way.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Maine 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.