What it costs to charge a 2026 BMW i7 eDrive50 Sedan (20 inch Wheels) in Washington

In Washington, home electricity runs 14.35¢/kWh — put a 2026 BMW i7 eDrive50 Sedan (20 inch Wheels)'s EPA-rated 39.9 kWh/100mi against that and 100 miles costs $5.72, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 64.3% cheaper per mile than gasoline in Washington — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 BMW i7 eDrive50 Sedan (20 inch Wheels) in Washington runs about $858 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,545 saved annually, at this mileage.

Filling up the 2026 BMW i7 eDrive50 Sedan (20 inch Wheels), in dollars

$17.22 — that's what Washington's 14.35¢/kWh rate puts on the 120 kWh a 2026 BMW i7 eDrive50 Sedan (20 inch Wheels) needs for its full 301-mile EPA range.

2026 BMW i7 eDrive50 Sedan (20 inch Wheels) in Washington, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i7 eDrive50 Sedan (20 inch Wheels) in Washington ranks 8,107 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 eDrive50 Sedan (20 inch Wheels) ranks 261 of 400 EV models for raw efficiency, and Washington ranks 15 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 Washington electrician to quote the install before this math becomes a real decision.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Washington's 14.35¢/kWh rate ranks 15 of 51 states; the state rate guide lays out the full spread.