Dominion Energy South Carolina, 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, Dominion Energy South Carolina, Inc's residential customers in South Carolina paid an average effective rate of 17.38¢/kWh with an average monthly bill of $243.19, per EIA Form 861-M data. That rate is 1.6¢ above the South Carolina average of 15.76¢/kWh; the U.S. average is 18.16¢/kWh.
Rate trend vs the South Carolina average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| September 2025 | 15.81 | 154.49 | 977 |
| October 2025 | 16.72 | 123.03 | 736 |
| November 2025 | 16.29 | 132.54 | 814 |
| December 2025 | 16.01 | 179.84 | 1123 |
| January 2026 | 18.38 | 231.64 | 1260 |
| February 2026 | 20.10 | 200.45 | 997 |
| March 2026 | 18.01 | 142.30 | 790 |
| April 2026 | 17.28 | 127.03 | 735 |
| May 2026 | 16.27 | 153.29 | 942 |
| June 2026 | 16.83 | 201.94 | 1200 |
| July 2026 | 17.12 | 262.62 | 1534 |
| August 2026 | 17.38 | 243.19 | 1399 |
Dominion Energy South Carolina, Inc vs South Carolina vs the U.S.
| Dominion Energy South Carolina, Inc | South Carolina | U.S. average | |
|---|---|---|---|
| Rate (August 2026) | 17.38¢/kWh | 15.76¢/kWh | 18.16¢/kWh |
| Average monthly bill | $243.19 | $226.29 | $209.23 |
| Average monthly usage | 1399 kWh | 1436 kWh | 1152 kWh |
| Rate change, 1 year | +5.3% | +4.0% | +3.4% |
Estimate a bill at Dominion Energy South Carolina, Inc rates
Worked example: 1,000 kWh at Dominion Energy South Carolina, Inc's average effective rate of 17.38¢/kWh is about $173.80. The utility's actual average usage is 1399 kWh/month, which produces the $243.19 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.