Charging a 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) at home in Nebraska
At Nebraska's residential electricity rate of 12.7¢/kWh, a 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) (rated 36.8 kWh per 100 miles by the EPA) costs $4.67 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 70.9% cheaper per mile than gasoline in Nebraska — charging at home costs a fraction of what gas would here.
Annual cost, at 15 thousands miles a year
Nebraska owners putting 15,000 annual miles on a 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) spend about $700 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,703 saved annually, at this mileage.
Cost of a full charge
At Nebraska's rate, fully covering this 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires)'s 364-mile EPA range costs about $16.99 (133.8 kWh) — the energy the EPA test actually used, not the battery's rated size.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) in Nebraska ranks 3,044 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive50 Sedan (21 inch Summer Tires) ranks 184 of 400 EV models for raw efficiency, and Nebraska ranks 2 of 51 for cheapest residential electricity.
Next step: home charger installation
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.
Ask a licensed Nebraska electrician to quote the install before this math becomes a real decision.
More on how this number was built
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Nebraska is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.