Rates by state / South Carolina / Tri-County Electric Coop, Inc (SC)
Cooperative · 17,670 residential customers
Tri-County Electric Coop, Inc (SC) electricity rates
Residential customers paid an average of 19.9¢ per kWh in 2025, 27% above the South Carolina average of 15.6¢ for the latest 12 months.
Average rate
19.9¢/kWh
2025, all residential revenue ÷ kWh
Average bill
$226/mo
At 1,131 kWh a month
1-year change
+7.7%
5 years: +27.2%
Average rate by year
202015.7¢
202115.5¢
202215.7¢
202317.3¢
202418.5¢
202519.9¢
Tri-County Electric Coop, Inc (SC) bill at different usage levels
Estimated monthly bill at Tri-County Electric Coop, Inc (SC)'s 2025 average rate of 19.9¢ per kWh. Actual bills vary with your plan, fixed charges and taxes.
| Monthly use | Tri-County Electric Coop, Inc (SC) | South Carolina average |
|---|---|---|
| 500 kWh | $100 | $78 |
| 750 kWh | $150 | $117 |
| 1,000 kWh | $199 | $156 |
| 1,500 kWh | $299 | $235 |
| 2,000 kWh | $399 | $313 |
Other utilities in South Carolina
| Utility | Customers | Rate |
|---|---|---|
| Dominion Energy South Carolina, Inc | 712,679 | 16.4¢ |
| Duke Energy Carolinas, LLC | 582,062 | 13.5¢ |
| 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¢ |
Tri-County Electric Coop, Inc (SC): common questions
- How much does Tri-County Electric Coop, Inc (SC) charge per kWh?
- Tri-County Electric Coop, Inc (SC) residential customers paid an average of 19.9¢ per kWh in 2025, counting all charges, according to EIA Form 861 data.
- What is the average Tri-County Electric Coop, Inc (SC) electric bill?
- The average Tri-County Electric Coop, Inc (SC) household used 1,131 kWh a month in 2025, which works out to about $226 a month at the average rate.
- Is Tri-County Electric Coop, Inc (SC) cheaper than other utilities in South Carolina?
- Tri-County Electric Coop, Inc (SC)'s average rate is 27% above the South Carolina average of 15.6¢. 28 of 29 utilities in South Carolina have a lower average rate.
- Did Tri-County Electric Coop, Inc (SC) raise rates?
- Tri-County Electric Coop, Inc (SC)'s average residential rate changed +7.7% from 2024 to 2025 and +27.2% since 2020.
- Is my Tri-County Electric Coop, Inc (SC) 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 Tri-County Electric Coop, Inc (SC)'s average.
Got a Tri-County Electric Coop, Inc (SC) bill?
Check my billSource: U.S. EIA Form EIA-861, 2025 final data.