South Carolina Public Service Authority Electricity Rates and Average Bill (South Carolina)
Data through June 2026 (the latest month EIA has published) · Updated September 04, 2026
As of June 2026, South Carolina Public Service Authority's residential customers in South Carolina paid an average effective rate of 13.64¢/kWh with an average monthly bill of $148.89, per EIA Form 861-M data. That rate is 1.9¢ below the South Carolina average of 15.55¢/kWh; the U.S. average is 18.34¢/kWh.
Rate trend vs the South Carolina average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| July 2025 | 11.84 | 183.93 | 1553 |
| August 2025 | 12.28 | 159.74 | 1301 |
| 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 |
South Carolina Public Service Authority vs South Carolina vs the U.S.
| South Carolina Public Service Authority | South Carolina | U.S. average | |
|---|---|---|---|
| Rate (June 2026) | 13.64¢/kWh | 15.55¢/kWh | 18.34¢/kWh |
| Average monthly bill | $148.89 | $185.87 | $170.65 |
| Average monthly usage | 1092 kWh | 1195 kWh | 930 kWh |
| Rate change, 1 year | +10.0% | +5.1% | +5.0% |
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 13.64¢/kWh is about $136.40. The utility's actual average usage is 1092 kWh/month, which produces the $148.89 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.