Charging a 2027 BMW i7 xDrive60 Sedan (20 inch Summer Tires) at home in District of Columbia

In District of Columbia, home electricity runs 24.54¢/kWh — put a 2027 BMW i7 xDrive60 Sedan (20 inch Summer Tires)'s EPA-rated 36.5 kWh/100mi against that and 100 miles costs $8.96, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 44.1% cheaper per mile than gasoline in District of Columbia — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

District of Columbia owners putting 15,000 annual miles on a 2027 BMW i7 xDrive60 Sedan (20 inch Summer Tires) spend about $1,344 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,059 saved annually, at this mileage.

What one full charge costs

At District of Columbia's rate, fully covering this 2027 BMW i7 xDrive60 Sedan (20 inch Summer Tires)'s 362-mile EPA range costs about $32.43 (132.2 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 Summer Tires) in District of Columbia ranks 16,324 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive60 Sedan (20 inch Summer Tires) ranks 177 of 400 EV models for raw efficiency, and District of Columbia ranks 42 of 51 for cheapest residential electricity.

Getting set up to charge a 2027 BMW i7 xDrive60 Sedan (20 inch Summer Tires) 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 District of Columbia before deciding.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. District of Columbia's 24.54¢/kWh rate ranks 42 of 51 states; the state rate guide lays out the full spread.