Connecticut home charging cost for the 2026 BMW i7 eDrive50 Sedan (20 inch Wheels)

At Connecticut's residential electricity rate of 28.82¢/kWh, a 2026 BMW i7 eDrive50 Sedan (20 inch Wheels) (rated 39.9 kWh per 100 miles by the EPA) costs $11.49 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. Charging at home is cheaper than gas here: 28.3% 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 2026 BMW i7 eDrive50 Sedan (20 inch Wheels) costs roughly $1,724 a year to charge at home in Connecticut, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $679 a year.

Cost of a full charge

Covering the 2026 BMW i7 eDrive50 Sedan (20 inch Wheels)'s EPA-rated 301-mile range takes about 120 kWh, which costs about $34.59 at Connecticut's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 18,649 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 eDrive50 Sedan (20 inch Wheels) alone ranks 261 of 400 models for efficiency; Connecticut alone ranks 45 of 51 states for electricity price.

Getting set up to charge a 2026 BMW i7 eDrive50 Sedan (20 inch Wheels) at home

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 Connecticut 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. Connecticut's 28.82¢/kWh rate ranks 45 of 51 states; the state rate guide lays out the full spread.