Charging a 2026 BMW i7 eDrive50 Sedan (21 inch Wheels) at home in Connecticut
At Connecticut's residential electricity rate of 28.82¢/kWh, a 2026 BMW i7 eDrive50 Sedan (21 inch Wheels) (rated 38.9 kWh per 100 miles by the EPA) costs $11.23 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. That works out to 29.9% cheaper per mile than gasoline in Connecticut — charging at home is cheaper than gas here.
What a year of driving costs
Connecticut owners putting 15,000 annual miles on a 2026 BMW i7 eDrive50 Sedan (21 inch Wheels) spend about $1,684 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $719 saved annually, at this mileage.
Filling up the 2026 BMW i7 eDrive50 Sedan (21 inch Wheels), in dollars
At Connecticut's rate, fully covering this 2026 BMW i7 eDrive50 Sedan (21 inch Wheels)'s 307-mile EPA range costs about $34.46 (119.6 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 2026 BMW i7 eDrive50 Sedan (21 inch Wheels) in Connecticut ranks 18,468 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 eDrive50 Sedan (21 inch Wheels) ranks 236 of 400 EV models for raw efficiency, and Connecticut ranks 45 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.
Get quotes from local electricians for Level 2 charger installation in Connecticut before deciding.
More on how this number was built
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 28.82¢/kWh, Connecticut sits in the middle of the national range — the guide to why charging cost varies by state shows where.