Electricity rates in 38402 — Columbia, TN
Homes in ZIP 38402 pay about 12.0¢ per kWh (Columbia Power System (TN), 2024 average). The Tennessee average is 13.4¢ and the U.S. average 18.2¢ (Aug 2026).
What a month of electricity costs
Monthly cost at the average price of 12.0¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 38402 is
scroll or pinch to zoomUtilities serving 38402
| Utility | Home price | Avg. bill | Customers in TN |
|---|---|---|---|
| Columbia Power System (TN) Municipal | 12.0¢ 2024 | $131 | 31,166 |
| Middle Tennessee E M C Cooperative · serves Maury | 12.9¢ Jan–Aug 2026 | $148 | 307,370 |
| Duck River Elec Member Corp Cooperative · serves Maury | 14.4¢ Jan–Aug 2026 | $169 | 71,342 |
| City of Mt Pleasant (TN) Municipal · serves Maury | 13.1¢ 2024 | $152 | 3,524 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Maury; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.
Tennessee 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 East South Central region, which includes Alabama, Kentucky, Mississippi, Tennessee.
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 38402
How much does electricity cost in 38402?
About 12.0¢ per kWh for homes (Columbia Power System (TN), 2024 average, EIA). At 900 kWh a month that is roughly $108.
Who is the electric utility for 38402?
Columbia Power System (TN), with about 31,166 residential customers in Tennessee; 3 other utilities also serve parts of the area.
Is electricity in TN getting more expensive?
The Tennessee residential average was 13.4¢ per kWh in August 2026, up 2.5% from a year earlier; the U.S. average was 18.2¢.