Charging a 2026 Cadillac CELESTIQ at home in South Carolina

In South Carolina, home electricity runs 16.04¢/kWh — put a 2026 Cadillac CELESTIQ's EPA-rated 41.7 kWh/100mi against that and 100 miles costs $6.69, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 58.2% cheaper per mile than gasoline in South Carolina — charging at home is much cheaper than gas here.

What a year of driving costs

South Carolina owners putting 15,000 annual miles on a 2026 Cadillac CELESTIQ spend about $1,003 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,400 saved annually, at this mileage.

Filling up the 2026 Cadillac CELESTIQ, in dollars

At South Carolina's rate, fully covering this 2026 Cadillac CELESTIQ's 303-mile EPA range costs about $20.27 (126.3 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Cadillac CELESTIQ in South Carolina ranks 12,171 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac CELESTIQ ranks 292 of 400 EV models for raw efficiency, and South Carolina ranks 27 of 51 for cheapest residential electricity.

Next step: home charger installation

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.

Line up a few South Carolina electrician quotes for Level 2 install before you commit either way.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 16.04¢/kWh, South Carolina sits in the middle of the national range — the guide to why charging cost varies by state shows where.