Charging a 2026 Rolls-Royce Spectre Black Badge (23 inch Wheels) at home in North Carolina
A 2026 Rolls-Royce Spectre Black Badge (23 inch Wheels) draws 48.3 kWh per 100 miles per the EPA; at North Carolina's 14.9¢/kWh residential rate that's $7.19 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 55.1% cheaper per mile than gasoline in North Carolina — charging at home is much cheaper than gas here.
Annual cost, at 15 thousands miles a year
North Carolina owners putting 15,000 annual miles on a 2026 Rolls-Royce Spectre Black Badge (23 inch Wheels) spend about $1,079 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,324 saved annually, at this mileage.
What one full charge costs
At North Carolina's rate, fully covering this 2026 Rolls-Royce Spectre Black Badge (23 inch Wheels)'s 251-mile EPA range costs about $18.06 (121.2 kWh) — the energy the EPA test actually used, not the battery's rated size.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rolls-Royce Spectre Black Badge (23 inch Wheels) in North Carolina ranks 13,553 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rolls-Royce Spectre Black Badge (23 inch Wheels) ranks 380 of 400 EV models for raw efficiency, and North Carolina ranks 18 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.
Ask a licensed North Carolina 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. North Carolina's 14.9¢/kWh rate ranks 18 of 51 states; the state rate guide lays out the full spread.