South Carolina home charging cost for the 2027 Cadillac OPTIQ RWD 11kW Charger
At South Carolina's residential electricity rate of 16.04¢/kWh, a 2027 Cadillac OPTIQ RWD 11kW Charger (rated 32.1 kWh per 100 miles by the EPA) costs $5.15 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 costs a fraction of what gas would here: 67.9% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
At fueleconomy.gov's default of 15,000 annual miles, the 2027 Cadillac OPTIQ RWD 11kW Charger costs roughly $772 a year to charge at home in South Carolina, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,631 a year.
Filling up the 2027 Cadillac OPTIQ RWD 11kW Charger, in dollars
Covering the 2027 Cadillac OPTIQ RWD 11kW Charger's EPA-rated 317-mile range takes about 101.7 kWh, which costs about $16.31 at South Carolina's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
2027 Cadillac OPTIQ RWD 11kW Charger in South Carolina, ranked
This combination ranks 5,208 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; South Carolina alone ranks 27 of 51 states for electricity price.
Next step: home charger installation
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.
Ask a licensed South Carolina electrician to quote the install before this math becomes a real decision.
Where these figures come from
See the methodology guide for exactly which EIA and EPA figures feed 2027 Cadillac OPTIQ RWD 11kW Charger's cost in South Carolina. South Carolina's 16.04¢/kWh rate ranks 27 of 51 states; the state rate guide lays out the full spread.