What it costs to charge a 2026 Cadillac OPTIQ RWD (11 kW Charger) in South Carolina

In South Carolina, home electricity runs 16.04¢/kWh — put a 2026 Cadillac OPTIQ RWD (11 kW Charger)'s EPA-rated 32.1 kWh/100mi against that and 100 miles costs $5.15, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 67.9% cheaper per mile than gasoline in South Carolina — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 Cadillac OPTIQ RWD (11 kW Charger) in South Carolina runs about $772 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,631 saved annually, at this mileage.

Cost of a full charge

$16.31 — that's what South Carolina's 16.04¢/kWh rate puts on the 101.7 kWh a 2026 Cadillac OPTIQ RWD (11 kW Charger) needs for its full 317-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Cadillac OPTIQ RWD (11 kW Charger) in South Carolina ranks 5,210 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac OPTIQ RWD (11 kW Charger) ranks 90 of 400 EV models for raw efficiency, and South Carolina ranks 27 of 51 for cheapest residential electricity.

Before you install a home charger in South Carolina

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Get quotes from local electricians for Level 2 charger installation in South Carolina before deciding.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how South Carolina's 16.04¢/kWh compares? The guide to charging cost by state ranks every state side by side.