Palmetto Electric Coop Inc Electricity Rates and Average Bill (South Carolina)
Data through August 2026 (the latest month EIA has published) · Updated October 31, 2026
As of August 2026, Palmetto Electric Coop Inc's residential customers in South Carolina paid an average effective rate of 14.30¢/kWh with an average monthly bill of $237.05, per EIA Form 861-M data. That rate is 1.5¢ below the South Carolina average of 15.76¢/kWh; the U.S. average is 18.16¢/kWh.
Rate trend vs the South Carolina average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| September 2025 | 14.27 | 182.37 | 1278 |
| October 2025 | 14.85 | 157.45 | 1060 |
| November 2025 | 15.63 | 134.23 | 859 |
| December 2025 | 15.16 | 153.68 | 1014 |
| January 2026 | 15.09 | 185.83 | 1232 |
| February 2026 | 15.11 | 243.95 | 1614 |
| March 2026 | 16.77 | 163.51 | 975 |
| April 2026 | 17.36 | 161.17 | 929 |
| May 2026 | 17.09 | 152.08 | 890 |
| June 2026 | 15.17 | 186.73 | 1231 |
| July 2026 | 14.44 | 219.06 | 1517 |
| August 2026 | 14.30 | 237.05 | 1658 |
Palmetto Electric Coop Inc vs South Carolina vs the U.S.
| Palmetto Electric Coop Inc | South Carolina | U.S. average | |
|---|---|---|---|
| Rate (August 2026) | 14.30¢/kWh | 15.76¢/kWh | 18.16¢/kWh |
| Average monthly bill | $237.05 | $226.29 | $209.23 |
| Average monthly usage | 1658 kWh | 1436 kWh | 1152 kWh |
| Rate change, 1 year | +5.3% | +4.0% | +3.4% |
Estimate a bill at Palmetto Electric Coop Inc rates
Worked example: 1,000 kWh at Palmetto Electric Coop Inc's average effective rate of 14.30¢/kWh is about $143.00. The utility's actual average usage is 1658 kWh/month, which produces the $237.05 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.
See the full South Carolina rate trend, look up another utility by ZIP code, or read why electric bills are rising.
Source: EIA Form 861-M (monthly utility-level sales to ultimate customers, residential), published with roughly a two-month lag. Rate = revenue ÷ sales; bill = revenue ÷ customers. Months failing basic sanity screens are excluded. See methodology.