California home charging cost for the 2026 Rolls-Royce Spectre Black Badge (23 inch Wheels)

A 2026 Rolls-Royce Spectre Black Badge (23 inch Wheels) draws 48.3 kWh per 100 miles per the EPA; at California's 33.17¢/kWh residential rate that's $16.01 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home costs a little less than gas here: 0% more than gas per mile here, not less — the arithmetic isn't clamped to always favor charging.

2026 Rolls-Royce Spectre Black Badge (23 inch Wheels): yearly cost in California

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rolls-Royce Spectre Black Badge (23 inch Wheels) costs roughly $2,402 a year to charge at home in California, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1 a year.

Cost of a full charge

Covering the 2026 Rolls-Royce Spectre Black Badge (23 inch Wheels)'s EPA-rated 251-mile range takes about 121.2 kWh, which costs about $40.2 at California'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 20,102 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rolls-Royce Spectre Black Badge (23 inch Wheels) alone ranks 380 of 400 models for efficiency; California alone ranks 50 of 51 states for electricity price.

Before you install a home charger in California

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 California electrician quotes for Level 2 install before you commit either way.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. California has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.