Electricity rates in 29929 — Islandton, SC
Homes in ZIP 29929 pay about 15.7¢ per kWh (Palmetto Electric Coop 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 15.7¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 29929 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 29929
| Utility | Home price | Avg. bill | Customers in SC |
|---|---|---|---|
| Palmetto Electric Coop Inc. Cooperative | 15.7¢ Jan–Aug 2026 | $154 | 68,338 |
| Dominion Energy South Carolina, Inc. Investor Owned · serves Colleton County | 17.7¢ Jan–Aug 2026 | $151 | 696,385 |
| Edisto Electric Coop, Inc. Cooperative · serves Colleton County | 16.4¢ 2024 | $200 | 15,421 |
| Coastal Electric Coop, Inc. (SC) Cooperative · serves Colleton County | 16.4¢ 2024 | $203 | 12,233 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Colleton 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 29929
How much does electricity cost in 29929?
About 15.7¢ per kWh for homes (Palmetto Electric Coop Inc., Jan–Aug 2026, EIA). At 900 kWh a month that is roughly $141.
Who is the electric utility for 29929?
Palmetto Electric Coop Inc., with about 68,338 residential customers in South Carolina; 3 other utilities also serve 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¢.