Electricity rates in Charleston, SC
Charleston (132,609 people, Berkeley 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 Charleston
| 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 Berkeley County right now
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Outage history in Berkeley County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 188 | 158 |
| Days with outages | 55 | 116 |
| Most customers out at once | 16,723 (10.3%) | 20,654 (12.7%) |
| Worst day | 2024-09-27 | 2025-06-09 |
Outage minutes by month, 2025
Less outage time than 2024 (188 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- James Island 17.1¢
- Mount Pleasant 16.7¢
- Sullivans Island 17.1¢
- North Charleston 17.1¢
- Isle of Palms 17.1¢
- Folly Beach 17.1¢
- Shell Point 16.7¢
- Hanahan 17.1¢
- Goose Creek 17.1¢
- Ladson 17.1¢
ZIP codes: 29401, 29402, 29403, 29406, 29407, 29409, 29412, 29413, 29414, 29416, 29417, 29422, 29423, 29424, 29425, 29492
Frequently asked questions
What is the electricity rate in Charleston?
Most homes in Charleston 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 Charleston: Berkeley Electric Co-op (16.73¢).
What is the average electric bill in Charleston?
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 Charleston, SC?
2 utilities serve Charleston'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 Charleston?
In 2025, customers in Berkeley County averaged 2 hr 38 min without power. Outages hit 116 days of the year, and the worst day was 2025-06-09, when 20,654 customers (12.7%) were out. Source: ORNL EAGLE-I.