Dominion Energy South Carolina, Inc: power outages per year
In 2025 the average Dominion Energy South Carolina, Inc customer was without power for 2.2 hours, less than the South Carolina average of 2.5 h; down from 31.8 h in 2024. The utility served 835,280 customers in South Carolina and ranks #2 of 6 large South Carolina utilities by outage hours.
By year
| Year | Hours (with major events) | Hours (without) | Interruptions | Customers |
|---|---|---|---|---|
| 2025 | 2.2 | 1.4 | 1.3 | 835,280 |
| 2024 | 31.8 | 1.3 | 2.5 | 816,766 |
| 2023 | 2.0 | 1.5 | 1.5 | 798,239 |
| 2022 | 3.9 | 1.3 | 1.9 | 786,570 |
| 2021 | 1.5 | 1.3 | 1.1 | 774,074 |
| 2020 | 2.4 | 1.5 | 1.4 | 760,086 |
"With major events" includes storm days that utilities may exclude from their own reliability targets; it is what customers actually live through. The gap between the two columns shows how much of the year's outage time came from big storms.
Backup power for Dominion Energy South Carolina, Inc outages
An average outage here lasted about 1.6 hours in 2025. Size backup for the longest outage you want to ride through, not the average.
Other large utilities in South Carolina
FAQ
How many hours a year are Dominion Energy South Carolina, Inc customers without power?
2.2 hours per customer in 2025 including major event days (1.4 h without them), as Dominion Energy South Carolina, Inc reported to the U.S. EIA.
How long does a typical Dominion Energy South Carolina, Inc outage last?
About 1.6 hours on average in 2025 (total outage minutes divided by the number of interruptions). Storms make single events much longer.
Source: U.S. EIA Form 861, Reliability file, 2020–2025. Data snapshot . Utilities ranked nationwide →