2026 BMW i7 eDrive50 Sedan (21"), ID Charging Cost

What it costs to charge a 2026 BMW i7 eDrive50 Sedan (21 inch Wheels) in Idaho

At Idaho's residential electricity rate of 12.8¢/kWh, a 2026 BMW i7 eDrive50 Sedan (21 inch Wheels) (rated 38.9 kWh per 100 miles by the EPA) costs $4.99 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. That works out to 68.9% cheaper per mile than gasoline in Idaho, charging at home costs a fraction of what gas would here.

What a year of driving costs

Home charging this 2026 BMW i7 eDrive50 Sedan (21 inch Wheels) in Idaho runs about $748 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,655 saved annually, at this mileage.

What one full charge costs

$15.31, that's what Idaho's 12.8¢/kWh rate puts on the 119.6 kWh a 2026 BMW i7 eDrive50 Sedan (21 inch Wheels) needs for its full 307-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i7 eDrive50 Sedan (21 inch Wheels) in Idaho ranks 4,434 for cost savings versus gas, 1 being the best deal nationally. Separately, the BMW i7 eDrive50 Sedan (21 inch Wheels) ranks 236 of 400 EV models for raw efficiency, and Idaho ranks 3 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 BMW i7 eDrive50 Sedan (21 inch Wheels) at home

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.

Get quotes from local electricians for Level 2 charger installation in Idaho before deciding.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset, see the methodology guide. Idaho is one of the cheapest states for home electricity, the guide to why the cost varies so much by state covers what drives that.