Electricity rates in Winnsboro, SC
Winnsboro (3,351 people, Fairfield County) is served by 4 electric utilities. Homes on Dominion Energy South Carolina pay about 17.12¢/kWh, 9% more than the South Carolina average.
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Electric companies serving Winnsboro
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Dominion Energy South Carolina | Investor-owned utility | 17.12¢ | $177 | 713K | 131 |
| Duke Energy Carolinas | Investor-owned utility | 13.97¢ | $147 | 582K | 220 |
| Fairfield Electric Co-op | Electric cooperative | 16.31¢ | $189 | 33K | 139 |
| Lynches River Electric Co-op | Electric cooperative | 17.08¢ | $182 | 22K | 202 |
Power outages in Fairfield County right now
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Outage history in Fairfield County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 1,901 | 286 |
| Days with outages | 54 | 46 |
| Most customers out at once | 7,510 (53.7%) | 2,423 (17.3%) |
| Worst day | 2024-09-27 | 2025-06-26 |
Outage minutes by month, 2025
Less outage time than 2024 (1,901 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Winnsboro Mills 17.1¢
- Blythewood 17.1¢
- Great Falls 14.0¢
- Lake Murray of Richland 17.1¢
- Irmo 17.1¢
- Chapin 17.1¢
- Dentsville 17.1¢
- Seven Oaks 17.1¢
- Saint Andrews 17.1¢
- Chester 14.0¢
ZIP codes: 29180
Frequently asked questions
What is the electricity rate in Winnsboro?
Most homes in Winnsboro get power from Dominion Energy South Carolina, where residential customers pay an average of 17.12¢/kWh including all charges. The South Carolina average is 15.64¢ and the U.S. average 17.99¢. Other utilities serving parts of Winnsboro: Duke Energy Carolinas (13.97¢), Fairfield Electric Co-op (16.31¢), Lynches River Electric Co-op (17.08¢).
What is the average electric bill in Winnsboro?
About $177 a month, based on 1,032 kWh a month (the average for Dominion Energy South Carolina customers) at 17.12¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Winnsboro, SC?
4 utilities serve Winnsboro's ZIP codes: Dominion Energy South Carolina, Duke Energy Carolinas, Fairfield Electric Co-op, Lynches River Electric Co-op. Which one serves you depends on your street address.
How often does the power go out in Winnsboro?
In 2025, customers in Fairfield County averaged 4 hr 46 min without power. Outages hit 46 days of the year, and the worst day was 2025-06-26, when 2,423 customers (17.3%) were out. Source: ORNL EAGLE-I.