Electricity rates in Seabrook Island, SC
Seabrook Island (1,844 people, Charleston County) is served by 2 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 Seabrook Island
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Dominion Energy South Carolina | Investor-owned utility | 17.12¢ | $177 | 713K | 131 |
| Berkeley Electric Co-op | Electric cooperative | 16.73¢ | $192 | 120K | 114 |
Power outages in Charleston County right now
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Outage history in Charleston County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 254 | 135 |
| Days with outages | 39 | 96 |
| Most customers out at once | 41,670 (18%) | 6,830 (3%) |
| Worst day | 2024-09-27 | 2025-09-15 |
Outage minutes by month, 2025
Less outage time than 2024 (254 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Meggett 17.1¢
- Hollywood 17.1¢
- Ravenel 17.1¢
- Folly Beach 17.1¢
- Shell Point 16.7¢
- James Island 17.1¢
- Charleston 17.1¢
- North Charleston 17.1¢
- Sullivans Island 17.1¢
- Mount Pleasant 16.7¢
ZIP codes: 29487
Frequently asked questions
What is the electricity rate in Seabrook Island?
Most homes in Seabrook Island 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 Seabrook Island: Berkeley Electric Co-op (16.73¢).
What is the average electric bill in Seabrook Island?
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 Seabrook Island, SC?
2 utilities serve Seabrook Island's ZIP codes: Dominion Energy South Carolina, Berkeley Electric Co-op. Which one serves you depends on your street address.
How often does the power go out in Seabrook Island?
In 2025, customers in Charleston County averaged 2 hr 15 min without power. Outages hit 96 days of the year, and the worst day was 2025-09-15, when 6,830 customers (3%) were out. Source: ORNL EAGLE-I.