Washington home charging cost for the 2027 BMW i5 eDrive40 Sedan (19 inch Wheels)

In Washington, home electricity runs 14.35¢/kWh — put a 2027 BMW i5 eDrive40 Sedan (19 inch Wheels)'s EPA-rated 28.9 kWh/100mi against that and 100 miles costs $4.15, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 74.1% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2027 BMW i5 eDrive40 Sedan (19 inch Wheels) costs roughly $623 a year to charge at home in Washington, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,780 a year.

Filling up the 2027 BMW i5 eDrive40 Sedan (19 inch Wheels), in dollars

Covering the 2027 BMW i5 eDrive40 Sedan (19 inch Wheels)'s EPA-rated 328-mile range takes about 94.9 kWh, which costs about $13.62 at Washington's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

2027 BMW i5 eDrive40 Sedan (19 inch Wheels) in Washington, ranked

This combination ranks 1,341 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i5 eDrive40 Sedan (19 inch Wheels) alone ranks 37 of 400 models for efficiency; Washington alone ranks 15 of 51 states for electricity price.

Next step: home charger installation

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Ask a licensed Washington electrician to quote the install before this math becomes a real decision.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Washington's 14.35¢/kWh compares? The guide to charging cost by state ranks every state side by side.