Electricity rates in 29418 — North Charleston, SC
Homes in ZIP 29418 pay about 17.7¢ per kWh (Dominion Energy South Carolina, Inc., Jan–Aug 2026). The South Carolina average is 15.8¢ and the U.S. average 18.2¢ (Aug 2026).
What a month of electricity costs
Monthly cost at the average price of 17.7¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 29418 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 29418
| Utility | Home price | Avg. bill | Customers in SC |
|---|---|---|---|
| Dominion Energy South Carolina, Inc. Investor Owned | 17.7¢ Jan–Aug 2026 | $151 | 696,385 |
| Berkeley Electric Coop Inc. Cooperative · serves Charleston County | 16.7¢ Jan–Aug 2026 | $170 | 115,117 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Charleston County; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.
South Carolina price trend
Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the South Atlantic region, which includes Delaware, District of Columbia, Florida, Georgia, Maryland, North Carolina, South Carolina, Virginia, West Virginia.
Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.
Questions about 29418
How much does electricity cost in 29418?
About 17.7¢ per kWh for homes (Dominion Energy South Carolina, Inc., Jan–Aug 2026, EIA). At 900 kWh a month that is roughly $159.
Who is the electric utility for 29418?
Dominion Energy South Carolina, Inc., with about 696,385 residential customers in South Carolina; 1 other utility also serves parts of the area.
Is electricity in SC getting more expensive?
The South Carolina residential average was 15.8¢ per kWh in August 2026, up 4% from a year earlier; the U.S. average was 18.2¢.