District of Columbia home charging cost for the 2026 Rolls-Royce Spectre Black Badge (22 inch Wheels)

At District of Columbia's residential electricity rate of 24.54¢/kWh, a 2026 Rolls-Royce Spectre Black Badge (22 inch Wheels) (rated 45.4 kWh per 100 miles by the EPA) costs $11.15 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 cheaper than gas here: 30.4% less than gas per mile, here specifically.

2026 Rolls-Royce Spectre Black Badge (22 inch Wheels): yearly cost in District of Columbia

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rolls-Royce Spectre Black Badge (22 inch Wheels) costs roughly $1,672 a year to charge at home in District of Columbia, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $731 a year.

Cost of a full charge

Covering the 2026 Rolls-Royce Spectre Black Badge (22 inch Wheels)'s EPA-rated 266-mile range takes about 120.8 kWh, which costs about $29.65 at District of Columbia's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

2026 Rolls-Royce Spectre Black Badge (22 inch Wheels) in District of Columbia, ranked

This combination ranks 18,417 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; District of Columbia alone ranks 42 of 51 states for electricity price.

Before you install a home charger in District of Columbia

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.

Get quotes from local electricians for Level 2 charger installation in District of Columbia before deciding.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. District of Columbia's 24.54¢/kWh rate ranks 42 of 51 states; the state rate guide lays out the full spread.