Charging a 2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires) at home in Delaware
In Delaware, home electricity runs 17.74¢/kWh — put a 2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires)'s EPA-rated 38.4 kWh/100mi against that and 100 miles costs $6.81, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 57.5% cheaper per mile than gasoline in Delaware — charging at home is much cheaper than gas here.
Annual cost, at 15 thousands miles a year
Delaware owners putting 15,000 annual miles on a 2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires) spend about $1,021 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,382 saved annually, at this mileage.
Filling up the 2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires), in dollars
At Delaware's rate, fully covering this 2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires)'s 344-mile EPA range costs about $23.42 (132 kWh) — the energy the EPA test actually used, not the battery's rated size.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires) in Delaware ranks 12,469 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive60 Sedan (20 inch All-Season Tires) ranks 222 of 400 EV models for raw efficiency, and Delaware ranks 33 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.
Line up a few Delaware electrician quotes for Level 2 install before you commit either way.
More on how this number was built
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 17.74¢/kWh, Delaware sits in the middle of the national range — the guide to why charging cost varies by state shows where.