Duke Energy serves Charleston and much of South Carolina, providing electricity to millions of customers.
13.5¢/kWh
Average residential rate
Charleston rates are near the national average, with nuclear and coal generation providing stable baseload power.
Rates can vary based on your specific rate plan, usage tier, and time of use.Duke Energy South Carolina offers multiple rate plans for Charleston residents—your actual rate may differ from the average shown above.
Duke Energy serves Charleston and much of South Carolina, providing electricity to millions of customers.
Common questions about Duke Energy South Carolina electricity service in Charleston — including rates, billing, and how to contact your utility.
The average residential electricity rate in Charleston is approximately 13.5¢/kWh. Charleston rates are near the national average, with nuclear and coal generation providing stable baseload power.
Duke Energy South Carolina provides electricity service to Charleston residents. Duke Energy serves Charleston and much of South Carolina, providing electricity to millions of customers.
You can reach Duke Energy South Carolina customer service at 1-800-777-9898.
No upload required. Enter two numbers from your bill to see if it falls within typical ranges.
Most utility bills are calculated correctly.
This quick check helps you understand if your bill stands out from typical ranges. It cannot determine accuracy without a full bill review.
The "Total Amount Due" on your bill
Usually labeled "Total kWh" or "Usage"
Disclaimer: This tool provides a rough estimate based on typical residential rates. It does not account for fixed charges, demand charges, time-of-use pricing, taxes, fees, or other bill components. Results are for informational purposes only and should not be considered financial or legal advice. We cannot determine billing accuracy without reviewing your full bill.
Customer service for Charleston area
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