– 0 customers out in South Carolina
Power outage history
South Carolina
9.6hours
without power for the average customer in a typical year, 2018–2025. 5th of 51.
Electricity customers 2,795,192 Across 46 counties
Worst well-recorded year 2024 49 hours without power, average customer
County by county
Where South Carolina goes dark
Hours without power for the average customer in a typical year. Hover a county; click to open it.
Fewer hours64+ h / yr
Year by year
Hours in the dark, statewide
The record
South Carolina's largest outages
Statewide events with at least 2% of customers, or 25,000, out at once, by peak.
| Began | Storm | Peak out | Share |
|---|---|---|---|
| Sep 27, 2024 | Hurricane Helene | 1,294,179 | 46.3% |
| Oct 8, 2016 | Hurricane Matthew | 605,878 | 21.7% |
| Sep 11, 2017 | Hurricane Irma | 262,765 | 9.4% |
| Apr 13, 2020 | Tornadoes | 257,176 | 9.2% |
| Sep 30, 2022 | Hurricane Ian | 248,340 | 8.9% |
| Sep 5, 2019 | Hurricane Dorian | 245,410 | 8.8% |
| Jun 7, 2025 | Thunderstorms | 193,770 | 6.9% |
| Oct 29, 2020 | Hurricane Zeta | 187,060 | 6.7% |
| Jan 3, 2022 | Windstorm | 128,878 | 4.6% |
| Oct 11, 2018 | Hurricane Michael | 128,493 | 4.6% |
| Jun 25, 2025 | Thunderstorms | 113,788 | 4.1% |
| Sep 15, 2018 | Hurricane Florence | 108,887 | 3.9% |
| Dec 9, 2018 | Winter storm | 101,944 | 3.6% |
| Jan 16, 2022 | Ice storm | 101,693 | 3.6% |
| Jun 22, 2019 | Thunderstorms | 93,266 | 3.3% |
| Jan 9, 2024 | Windstorm | 82,982 | 3.0% |
| Feb 17, 2015 | Ice storm | 82,760 | 3.0% |
| Dec 23, 2022 | Windstorm | 81,965 | 2.9% |
| Dec 24, 2022 | Winter storm | 81,196 | 2.9% |
| Jun 20, 2019 | Thunderstorms | 78,384 | 2.8% |
Every county
All 46 counties
| County | Hours / yr | Major outages since 2018 | Customers |
|---|---|---|---|
| McCormick | 44 | 108 | 4,091 |
| Edgefield | 27 | 26 | 12,717 |
| Abbeville | 26 | 35 | 9,846 |
| Greenville | 25 | 5 | 208,040 |
| Spartanburg | 25 | 5 | 147,558 |
| Saluda | 24 | 48 | 11,824 |
| Laurens | 22 | 14 | 34,457 |
| Oconee | 22 | 15 | 40,425 |
| Aiken | 22 | 9 | 79,309 |
| Anderson | 21 | 9 | 101,520 |
| Greenwood | 18 | 10 | 40,695 |
| Newberry | 17 | 12 | 23,376 |
| Pickens | 15 | 12 | 74,039 |
| Colleton | 14 | 35 | 20,355 |
| Marion | 14 | 50 | 8,497 |
| Allendale | 13 | 33 | 4,639 |
| Hampton | 13 | 27 | 8,886 |
| Dillon | 11 | 28 | 10,099 |
| Cherokee | 10 | 5 | 39,741 |
| Barnwell | 8.9 | 26 | 10,628 |
| Chester | 8.5 | 17 | 20,548 |
| Fairfield | 8.3 | 22 | 13,983 |
| Chesterfield | 8.2 | 32 | 16,153 |
| Jasper | 8.1 | 21 | 17,702 |
| Bamberg | 7.8 | 22 | 8,728 |
| Lee | 7.3 | 32 | 5,675 |
| Lexington | 6.9 | 6 | 165,904 |
| Darlington | 6.0 | 23 | 19,211 |
| Lancaster | 5.5 | 9 | 52,274 |
| Charleston | 5.0 | 3 | 231,046 |
| Calhoun | 4.9 | 26 | 9,147 |
| Williamsburg | 4.6 | 21 | 21,455 |
| Richland | 4.5 | 5 | 227,559 |
| Sumter | 4.5 | 13 | 42,515 |
| Dorchester | 4.4 | 11 | 73,269 |
| Union | 4.1 | 1 | 21,940 |
| Clarendon | 3.7 | 16 | 17,809 |
| Marlboro | 3.7 | 10 | 14,959 |
| Beaufort | 3.6 | 10 | 127,289 |
| Florence | 3.6 | 8 | 54,564 |
| Georgetown | 3.5 | 6 | 46,010 |
| Kershaw | 3.2 | 5 | 43,198 |
| York | 3.1 | 1 | 173,488 |
| Orangeburg | 3.0 | 4 | 58,624 |
| Berkeley | 2.6 | 7 | 162,211 |
| Horry | 2.1 | 4 | 259,189 |
Who keeps the lights on
Utilities in South Carolina
Reliability and residential price as reported to the EIA for the latest year. Outage minutes include major storm days.
| Utility | Type | Outage min / yr | Excl. major storms | ¢/kWh | Customers |
|---|---|---|---|---|---|
| Dominion Energy South Carolina, Inc | Investor Owned | 131 | 81 | 16.4 | 713k |
| Duke Energy Carolinas, LLC | Investor Owned | 220 | 141 | 13.5 | 582k |
| South Carolina Public Service Authority | State | 43 | 41 | 12.9 | 189k |
| Duke Energy Progress | Investor Owned | 119 | 106 | 14.1 | 144k |
| Berkeley Electric Coop Inc | Cooperative | 114 | 93 | 16.3 | 120k |
| Horry Electric Coop Inc | Cooperative | 110 | 101 | 13.8 | 92k |
| Palmetto Electric Coop Inc | Cooperative | 51 | 38 | 14.4 | 70k |
| Blue Ridge Electric Coop Inc | Cooperative | 205 | 160 | 19.8 | 69k |
| York Electric Coop Inc | Cooperative | 66 | 61 | 13.7 | 66k |
| Laurens Electric Coop, Inc | Cooperative | 211 | 154 | 15.6 | 60k |
| Mid-Carolina Electric Coop Inc | Cooperative | 267 | 90 | 16.8 | 57k |
| Aiken Electric Coop Inc | Cooperative | 189 | 119 | 17.5 | 51k |
| City of Rock Hill | Municipal | 69 | 69 | 12.3 | 37k |
| Santee Electric Coop, Inc | Cooperative | 211 | 147 | 16.4 | 35k |
| Fairfield Electric Coop, Inc | Cooperative | 139 | 131 | 15.6 | 33k |
| MPD Electric Cooperative | Cooperative | 136 | 103 | 13.7 | 32k |
| Black River Electric Coop, Inc | Cooperative | 96 | 96 | 15.1 | 31k |
| Broad River Electric Coop, Inc | Cooperative | 108 | 108 | 17.2 | 24k |
| Greer Commission of Public Wks | Municipal | 37 | – | 12.8 | 23k |
| Lynches River Elec Coop, Inc | Cooperative | 202 | 129 | 16.3 | 22k |
| City of Orangeburg | Municipal | 224 | 183 | 15.2 | 21k |
| Tri-County Electric Coop, Inc (SC) | Cooperative | 265 | 112 | 19.9 | 18k |
| Easley Combined Utility System | Municipal | 91 | 91 | 12.8 | 16k |
| Edisto Electric Coop, Inc | Cooperative | 236 | 236 | 19.0 | 16k |
| Newberry Electric Coop, Inc | Cooperative | 512 | 230 | 17.1 | 13k |
| Greenwood CPW | Municipal | 101 | 42 | 10.0 | 12k |
| Sunrun Inc. | Behind the Meter | – | – | 17.8 | 7.1k |
| City of Gaffney | Municipal | 98 | 49 | 12.3 | 6.2k |
| Lockhart Power Co | Investor Owned | – | – | 14.2 | 5.0k |