Electricity rates in 29230 — Columbia, SC
Homes in ZIP 29230 pay about 14.3¢ per kWh (Fairfield Electric Coop, Inc., 2024 average). 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 14.3¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 29230 is
scroll or pinch to zoomUtilities serving 29230
| Utility | Home price | Avg. bill | Customers in SC |
|---|---|---|---|
| Fairfield Electric Coop, Inc. Cooperative | 14.3¢ 2024 | $164 | 32,397 |
| Dominion Energy South Carolina, Inc. Investor Owned · serves Richland | 17.7¢ Jan–Aug 2026 | $151 | 696,385 |
| Mid-Carolina Electric Coop Inc. Cooperative · serves Richland | 14.9¢ 2024 | $171 | 56,463 |
| Tri-County Electric Coop, Inc. (SC) Cooperative · serves Richland | 18.5¢ 2024 | $203 | 17,672 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Richland; 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 29230
How much does electricity cost in 29230?
About 14.3¢ per kWh for homes (Fairfield Electric Coop, Inc., 2024 average, EIA). At 900 kWh a month that is roughly $129.
Who is the electric utility for 29230?
Fairfield Electric Coop, Inc., with about 32,397 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¢.