2026 Rolls-Royce Spectre Black Badge (22 inch Wheels): home charging cost in South Carolina
In South Carolina, home electricity runs 16.04¢/kWh — put a 2026 Rolls-Royce Spectre Black Badge (22 inch Wheels)'s EPA-rated 45.4 kWh/100mi against that and 100 miles costs $7.29, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 54.5% less than gas per mile, here specifically.
2026 Rolls-Royce Spectre Black Badge (22 inch Wheels): yearly cost in South Carolina
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rolls-Royce Spectre Black Badge (22 inch Wheels) charged at home in South Carolina costs about $1,093/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,310 a year.
Cost of a full charge
A 2026 Rolls-Royce Spectre Black Badge (22 inch Wheels) needs roughly 120.8 kWh to reach its EPA-rated 266-mile range, which runs about $19.38 at 16.04¢/kWh in South Carolina.
Where this ranks
This combination ranks 13,775 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rolls-Royce Spectre Black Badge (22 inch Wheels) alone ranks 361 of 400 models for efficiency; South Carolina alone ranks 27 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 South Carolina electrician to quote the install before this math becomes a real decision.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. South Carolina's 16.04¢/kWh rate ranks 27 of 51 states; the state rate guide lays out the full spread.