Rates by state / South Carolina / Duke Energy Carolinas, LLC
Investor Owned · 582,062 residential customers
Duke Energy Carolinas, LLC electricity rates
Residential customers paid an average of 13.5¢ per kWh in 2025, 14% below the South Carolina average of 15.6¢ for the latest 12 months.
Average rate
13.5¢/kWh
2025, all residential revenue ÷ kWh
Average bill
$142/mo
At 1,051 kWh a month
1-year change
-3.7%
5 years: +17.3%
Average rate by year
202011.5¢
202111.1¢
202211.6¢
202312.7¢
202414.0¢
202513.5¢
Duke Energy Carolinas, LLC bill at different usage levels
Estimated monthly bill at Duke Energy Carolinas, LLC's 2025 average rate of 13.5¢ per kWh. Actual bills vary with your plan, fixed charges and taxes.
| Monthly use | Duke Energy Carolinas, LLC | South Carolina average |
|---|---|---|
| 500 kWh | $67 | $78 |
| 750 kWh | $101 | $117 |
| 1,000 kWh (about average here) | $135 | $156 |
| 1,500 kWh | $202 | $235 |
| 2,000 kWh | $269 | $313 |
Other utilities in South Carolina
| Utility | Customers | Rate |
|---|---|---|
| Dominion Energy South Carolina, Inc | 712,679 | 16.4¢ |
| South Carolina Public Service Authority | 188,962 | 12.9¢ |
| Duke Energy Progress - (NC) | 143,884 | 14.1¢ |
| Berkeley Electric Coop Inc | 119,545 | 16.3¢ |
| Horry Electric Coop Inc | 91,545 | 13.8¢ |
| Palmetto Electric Coop Inc | 69,848 | 14.4¢ |
| Blue Ridge Electric Coop Inc - (SC) | 68,647 | 19.8¢ |
| York Electric Coop Inc | 66,369 | 13.7¢ |
Duke Energy Carolinas, LLC: common questions
- How much does Duke Energy Carolinas, LLC charge per kWh?
- Duke Energy Carolinas, LLC residential customers paid an average of 13.5¢ per kWh in 2025, counting all charges, according to EIA Form 861 data.
- What is the average Duke Energy Carolinas, LLC electric bill?
- The average Duke Energy Carolinas, LLC household used 1,051 kWh a month in 2025, which works out to about $142 a month at the average rate.
- Is Duke Energy Carolinas, LLC cheaper than other utilities in South Carolina?
- Duke Energy Carolinas, LLC's average rate is 14% below the South Carolina average of 15.6¢. 6 of 29 utilities in South Carolina have a lower average rate.
- Did Duke Energy Carolinas, LLC raise rates?
- Duke Energy Carolinas, LLC's average residential rate changed -3.7% from 2024 to 2025 and +17.3% since 2020.
- Is my Duke Energy Carolinas, LLC bill too high?
- Enter the kWh and amount from your bill in the free bill check on AverageElectricBill.com. It compares your use with similar South Carolina homes and your rate with Duke Energy Carolinas, LLC's average.
Got a Duke Energy Carolinas, LLC bill?
Check my billSource: U.S. EIA Form EIA-861, 2025 final data.