Charging a 2027 BMW i5 eDrive40 Sedan (21 inch Wheels) at home in California

In California, home electricity runs 33.17¢/kWh — put a 2027 BMW i5 eDrive40 Sedan (21 inch Wheels)'s EPA-rated 33.9 kWh/100mi against that and 100 miles costs $11.23, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 29.9% cheaper per mile than gasoline in California — charging at home is cheaper than gas here.

What a year of driving costs

California owners putting 15,000 annual miles on a 2027 BMW i5 eDrive40 Sedan (21 inch Wheels) spend about $1,685 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $718 saved annually, at this mileage.

What one full charge costs

At California's rate, fully covering this 2027 BMW i5 eDrive40 Sedan (21 inch Wheels)'s 280-mile EPA range costs about $31.45 (94.8 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 i5 eDrive40 Sedan (21 inch Wheels) in California ranks 18,467 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i5 eDrive40 Sedan (21 inch Wheels) ranks 120 of 400 EV models for raw efficiency, and California ranks 50 of 51 for cheapest residential electricity.

Before you install a home charger in California

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 California 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. California has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.