South Carolina home charging cost for the 2026 BMW i7 eDrive50 Sedan (20 inch Wheels)
At South Carolina's residential electricity rate of 16.04¢/kWh, a 2026 BMW i7 eDrive50 Sedan (20 inch Wheels) (rated 39.9 kWh per 100 miles by the EPA) costs $6.4 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 much cheaper than gas here: 60.1% less than gas per mile, here specifically.
2026 BMW i7 eDrive50 Sedan (20 inch Wheels): yearly cost in South Carolina
At fueleconomy.gov's default of 15,000 annual miles, the 2026 BMW i7 eDrive50 Sedan (20 inch Wheels) costs roughly $959 a year to charge at home in South Carolina, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,444 a year.
What one full charge costs
Covering the 2026 BMW i7 eDrive50 Sedan (20 inch Wheels)'s EPA-rated 301-mile range takes about 120 kWh, which costs about $19.25 at South Carolina'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 11,082 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; South Carolina alone ranks 27 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.
Line up a few South Carolina electrician quotes for Level 2 install before you commit either way.
Where these figures come from
See the methodology guide for exactly which EIA and EPA figures feed 2026 BMW i7 eDrive50 Sedan (20 inch Wheels)'s cost in South Carolina. Curious how South Carolina's 16.04¢/kWh compares? The guide to charging cost by state ranks every state side by side.