Dominion Energy South Carolina electricity rates
Investor-owned utility · South Carolina · SERC region
Dominion Energy South Carolina is a for-profit, investor-owned utility regulated by the state utility commission, serving 712,679 homes in South Carolina. Its residential customers pay an average of 17.12¢/kWh including fixed and delivery charges, 5% less than the U.S. average.
Rate basis: EIA-861M monthly utility data, 12 months ending 2026-07.
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Dominion Energy South Carolina bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $85.60 | $85.94 |
| 1,000 kWh | $171.20 | $161.88 |
| 1,500 kWh | $256.80 | $237.82 |
| 2,000 kWh | $342.40 | $313.76 |
*2 (Low Use Residential Service) (effective 2024-09-01, $10.00/month customer charge), energy and fixed charges from the OpenEI Utility Rate Database. Riders, fuel adjustments and taxes are often billed separately, so real bills usually land closer to the all-in column. Calculate your bill.
Dominion Energy South Carolina residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| 2 (Low Use Residential Service) | 2024-09-01 | $10.00 | 15.19¢ |
| 8 (Residential Service)time-of-use | 2024-09-01 | $9.50 | 17.7¢ (12am–12am) — summer weekdays |
| 7 (Residential Service Time-Of-Use Demand)time-of-use | 2024-09-01 | $14.00 | 11.9¢ (12am–1am, 6am–4pm, 8pm–12am) · 18.7¢ (4pm–8pm) · 11.1¢ (1am–6am) — summer weekdays |
| 6 (Residential Service Energy Conservation Rate)time-of-use | 2024-09-01 | $10.00 | 16.9¢ (12am–12am) — summer weekdays |
| 5 (Residential Service Time-Of-Use)time-of-use | 2024-08-31 | $13.00 | 13.7¢ (12am–1am, 5am–4pm, 8pm–12am) · 9.1¢ (1am–5am) · 26.9¢ (4pm–8pm) — summer weekdays |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Dominion Energy South Carolina rate history
2015–2025: +14% change in the average residential rate (14.41¢ → 16.41¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | Dominion Energy South Carolina | South Carolina avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 131 | 151 | 266 |
| Outages per customer (SAIFI) | 1.34 | 1.16 | 1.34 |
| Average restoration time (CAIDI) | 98 min | — | — |
| Outage minutes excluding major storms | 81 | 102 | 121 |
Outages in counties served (2025)
From ORNL EAGLE-I, which tracks customers without power every 15 minutes. These counts cover every utility in each county. Weighted across Dominion Energy South Carolina's counties, customers averaged 3 hr 12 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| McCormick | 1,519 | 48 | 3,697 | 2025-06-08 |
| Saluda | 1,005 | 60 | 12,782 | 2025-06-08 |
| Newberry | 441 | 76 | 9,480 | 2025-06-08 |
| Abbeville | 401 | 56 | 2,853 | 2025-06-08 |
| Greenwood | 375 | 30 | 8,322 | 2025-06-08 |
| Calhoun | 344 | 64 | 12,785 | 2025-06-26 |
| Edgefield | 333 | 72 | 6,362 | 2025-06-08 |
| Allendale | 333 | 34 | 2,006 | 2025-05-12 |
| Colleton | 308 | 90 | 3,583 | 2025-03-23 |
| Fairfield | 286 | 46 | 2,423 | 2025-06-26 |
| Lexington | 240 | 48 | 55,567 | 2025-06-08 |
| Aiken | 222 | 78 | 16,695 | 2025-06-08 |
| Barnwell | 209 | 47 | 3,838 | 2025-10-28 |
| Hampton | 182 | 41 | 1,766 | 2025-09-03 |
| Richland | 172 | 38 | 43,801 | 2025-06-26 |
| Dorchester | 171 | 78 | 12,386 | 2025-03-21 |
| Jasper | 170 | 59 | 3,660 | 2025-07-22 |
| Berkeley | 158 | 116 | 20,654 | 2025-06-09 |
| Bamberg | 147 | 48 | 904 | 2025-11-20 |
| Charleston | 135 | 96 | 6,830 | 2025-09-15 |
| Union | 110 | 24 | 1,822 | 2025-10-04 |
| Beaufort | 86 | 39 | 7,607 | 2025-02-26 |
| Orangeburg | 72 | 37 | 6,191 | 2025-06-26 |
Dominion Energy South Carolina service area
Dominion Energy South Carolina serves 23 counties in South Carolina and 243 ZIP codes.
Abbeville, Aiken, Allendale, Bamberg, Barnwell, Beaufort, Berkeley, Calhoun, Charleston, Colleton, Dorchester, Edgefield, Fairfield, Greenwood, Hampton, Jasper, Lexington, McCormick, Newberry, Orangeburg, Richland, Saluda, Union
Cities: Columbia, Charleston, North Charleston, Mount Pleasant, Summerville, Goose Creek, Hilton Head Island, Hilton Head, Aiken, North Augusta, Saint Andrews, Lexington, Hanahan, Bluffton, West Columbia, Seven Oaks, Dentsville, Ladson, Cayce, Orangeburg, Beaufort, Port Royal, Irmo, Forest Acres, Newberry, Oak Grove, Moncks Corner, Red Bank, Woodfield, Sangaree, Union, Lugoff, Burton, James Island, Laurel Bay, Belvedere, Lake Murray of Richland, Batesburg-Leesville, Hardeeville, Walterboro
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Customers with daily usage data online | 709,248 |
| Time-based rate programs | Time-of-use rates |
| Homes on time-based rates | 6,119 |
| Net-metered solar homes | 16,383 |
| Home batteries paired with solar | 778 |
| Homes in demand response (e.g. thermostat rebates) | 14,958 |
| Residential efficiency incentives paid (2025) | $10,151,000 |
| Residential energy saved by programs | 38,922 MWh |
Dominion Energy South Carolina at a glance
| Ownership | Investor-owned utility |
| Services | Generation, Transmission, Distribution, Wholesale Marketing, Bundled |
| Commercial rate | 13.48¢/kWh |
| Industrial rate | 8.82¢/kWh |
| Retail revenue (2025) | $2,889,936,800 |
| Electricity sold (2025) | 21,771,302 MWh |
| Peak demand | 4,999 MW summer · 4,590 MW winter |
| Power from own generation | 77% (rest purchased) |
| Line losses | 4.9% |
| Balancing authority | SCEG |
| EIA utility ID | 17539 |
| Website | dms.psc.sc.gov/Web/Matters/Detail/307758 |
Other utilities in South Carolina
Frequently asked questions
What is Dominion Energy South Carolina's electricity rate?
Dominion Energy South Carolina residential customers pay an average of 17.12¢ per kWh, all charges included (EIA-861M monthly utility data, 12 months ending 2026-07). That's 9% above the South Carolina average of 15.64¢ and 5% below the U.S. average.
What is the average Dominion Energy South Carolina electric bill?
About $177 a month. The average Dominion Energy South Carolina home uses 1,032 kWh a month. At 1,000 kWh the bill would be about $171.
How many customers does Dominion Energy South Carolina have?
Dominion Energy South Carolina serves 712,679 residential customers and 824,270 customers in total in South Carolina, across 23 counties.
How reliable is Dominion Energy South Carolina?
In 2025, the average Dominion Energy South Carolina customer was without power for 2 hr 11 min (SAIDI) over 1.34 interruptions (SAIFI), including major storms. Excluding major event days it was 81 min. The South Carolina average was 2 hr 31 min and the U.S. average 4 hr 26 min.
Does Dominion Energy South Carolina offer time-of-use rates?
Yes. The OpenEI rate database lists 4 time-of-use residential plans, including 8 (Residential Service). Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
Does Dominion Energy South Carolina offer net metering for solar?
Dominion Energy South Carolina had 16,383 residential net-metered customers in 2025 with 118.3 MW of capacity and 778 solar-paired batteries. Estimate solar savings at this utility's rate.
Sources: EIA-861 2025 and EIA-861M (through July 2026), OpenEI URDB, ORNL EAGLE-I, U.S. Census. Methodology. Spot an error? Rates change often, so confirm with Dominion Energy South Carolina before making decisions.