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Cost to charge a 2027 Rolls-Royce Spectre in California

At 29.75¢ per kilowatt-hour — California's average residential price in August 2026 — a full charge costs $40.64 and a year of driving costs $1,507. That is 64% more than the national average of $920.

Per mile
12.6¢
Full charge
$40.64
Per month
$126
Per year
$1,507

Assumptions: 12,000 miles a year, home Level 2 charging, and EPA combined consumption measured at the wall (so charging losses are already included). Gasoline comparison uses $3.50 a gallon at 30 MPG. Change any of these in the calculator.

Against a gasoline car in California

At 29.75¢/kWh, charging this car at home costs $107 a year more than a 30 MPG gasoline car at $3.50 a gallon. This car breaks even at 27.6¢/kWh, which 7 of the 51 U.S. jurisdictions currently exceed — California among them.

Electricity
12.6¢/mi
Gasoline
11.7¢/mi
Per year, EV
$1,507
Per year, gas
$1,400

Fuel only. Insurance, maintenance, tires, depreciation and any purchase incentives are outside this comparison, and they can easily be larger than the fuel difference.

How California compares

California has the 4th most expensive residential electricity in the country, which puts a full charge at $40.64 here against $17.38 in Nevada and $64.45 in Hawaii.

StateRateFull chargePer year
New York28.65¢$39.14$1,451
Alaska29.41¢$40.17$1,489
California29.75¢$40.64$1,507
Massachusetts30.48¢$41.64$1,544
Maine32.11¢$43.86$1,626

Similar running costs in California

Charging it for less in California

Questions

How much does it cost to fully charge a 2027 Rolls-Royce Spectre in California?
About $40.64, drawing roughly 136.6 kWh from the wall at 29.75¢/kWh.
What does it cost per mile?
About 12.6¢ per mile on electricity, against roughly 11.7¢ per mile for a 30 MPG gasoline car at $3.50 a gallon.
How far does a 2027 Rolls-Royce Spectre go on a charge?
EPA rates it at 324 miles of combined range.