South Carolina Public Service Authority 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, South Carolina Public Service Authority's residential customers in South Carolina paid an average effective rate of 12.46¢/kWh with an average monthly bill of $173.51, per EIA Form 861-M data. That rate is 3.3¢ below the South Carolina average of 15.76¢/kWh; the U.S. average is 18.16¢/kWh.
Rate trend vs the South Carolina average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| September 2025 | 14.66 | 119.84 | 817 |
| October 2025 | 15.34 | 113.35 | 739 |
| November 2025 | 16.52 | 89.78 | 544 |
| December 2025 | 13.87 | 138.22 | 997 |
| January 2026 | 13.03 | 144.51 | 1109 |
| February 2026 | 12.67 | 174.73 | 1379 |
| March 2026 | 17.59 | 115.26 | 655 |
| April 2026 | 17.87 | 104.45 | 585 |
| May 2026 | 16.47 | 113.36 | 688 |
| June 2026 | 13.64 | 148.89 | 1092 |
| July 2026 | 12.15 | 183.67 | 1511 |
| August 2026 | 12.46 | 173.51 | 1392 |
South Carolina Public Service Authority vs South Carolina vs the U.S.
| South Carolina Public Service Authority | South Carolina | U.S. average | |
|---|---|---|---|
| Rate (August 2026) | 12.46¢/kWh | 15.76¢/kWh | 18.16¢/kWh |
| Average monthly bill | $173.51 | $226.29 | $209.23 |
| Average monthly usage | 1392 kWh | 1436 kWh | 1152 kWh |
| Rate change, 1 year | +1.5% | +4.0% | +3.4% |
Estimate a bill at South Carolina Public Service Authority rates
Worked example: 1,000 kWh at South Carolina Public Service Authority's average effective rate of 12.46¢/kWh is about $124.60. The utility's actual average usage is 1392 kWh/month, which produces the $173.51 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.