Charging a 2026 Rolls-Royce Spectre Black Badge (23 inch Wheels) at home in Colorado

In Colorado, home electricity runs 16.65¢/kWh — put a 2026 Rolls-Royce Spectre Black Badge (23 inch Wheels)'s EPA-rated 48.3 kWh/100mi against that and 100 miles costs $8.04, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 49.8% cheaper per mile than gasoline in Colorado — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Colorado owners putting 15,000 annual miles on a 2026 Rolls-Royce Spectre Black Badge (23 inch Wheels) spend about $1,206 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,197 saved annually, at this mileage.

Cost of a full charge

At Colorado's rate, fully covering this 2026 Rolls-Royce Spectre Black Badge (23 inch Wheels)'s 251-mile EPA range costs about $20.18 (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 Colorado ranks 15,115 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 Colorado ranks 30 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Rolls-Royce Spectre Black Badge (23 inch Wheels) at home

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.

Line up a few Colorado electrician quotes for Level 2 install before you commit either way.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Colorado's 16.65¢/kWh compares? The guide to charging cost by state ranks every state side by side.