2027 Cadillac OPTIQ RWD 11kW Charger: home charging cost in North Carolina
At North Carolina's residential electricity rate of 14.9¢/kWh, a 2027 Cadillac OPTIQ RWD 11kW Charger (rated 32.1 kWh per 100 miles by the EPA) costs $4.78 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 costs a fraction of what gas would here: 70.2% less than gas per mile, here specifically.
What a year of driving costs
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Cadillac OPTIQ RWD 11kW Charger charged at home in North Carolina costs about $717/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,686 a year.
What one full charge costs
A 2027 Cadillac OPTIQ RWD 11kW Charger needs roughly 101.7 kWh to reach its EPA-rated 317-mile range, which runs about $15.15 at 14.9¢/kWh in North Carolina.
Where this ranks
This combination ranks 3,498 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Cadillac OPTIQ RWD 11kW Charger alone ranks 88 of 400 models for efficiency; North Carolina alone ranks 18 of 51 states for electricity price.
Before you install a home charger in North Carolina
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 North Carolina 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. Curious how North Carolina's 14.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.