Columbia Power System Rates, Bills and Service Area in 2025

Columbia Power System reported 32,032 residential customers on bundled service in 2025, using 1,110 kWh a month on average at 12.73 cents per kWh. Bundled means the utility supplies the energy and delivers it, so the price covers both. Among the 60 Tennessee utilities with at least 10,000 bundled residential customers, Columbia Power System ranks 18 from the lowest price.

Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), sales to ultimate customers. Price is revenue divided by sales and includes fixed charges.

EIA lists the counties where Columbia Power System has distribution equipment. That covers 2 counties in Tennessee. A county can be served by more than one utility, so confirm your address with the utility or your bill.

Not sure who serves your address? Use find my electric company.

For 2025, Columbia Power System reported an average of 86 minutes without power per customer and 1.40 interruptions per customer, with major event days left out. The typical interruption lasted about 62 minutes. For comparison, the median state averaged 127 minutes of outage per customer.

Columbia Power System had about 41 fewer minutes of outage per customer than the median state. The Tennessee figure across its utilities was 147 minutes. One interruption lasting 62 minutes and 1.40 interruptions a year per customer add up to the 86 minute total.

Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), reliability schedule, measured under IEEE 1366. Utilities define events slightly differently, so compare with care.

• Time-of-use pricing. Columbia Power System does not report a residential time-of-use program in its 2025 EIA filing. Ask the utility, because programs change. How time-of-use rates work.
• Rooftop solar and net metering. EIA does not show residential net-metered solar for Columbia Power System in 2025. How net metering works.

Owned and run by a city or town. A city council or utility board usually sets the rates, and state commissions often have limited authority over it.

For questions about state consumer protections, see the Tennessee Public Utility Commission.

Columbia Power System is a municipal utility based in Tennessee.

Of the 80 utilities listed for Tennessee, Columbia Power System is the 21st largest by homes, at roughly 1.0% of the state total. At $141.30 a month, an average Columbia Power System home pays about $177 a year less than the Tennessee average of $156.03, and uses 71 kWh a month less. Columbia Power System lists distribution equipment in 2 counties, so check your county and your bill before you assume it serves you.

Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data). Peers are other utilities of the same type in Tennessee with at least 1,000 residential customers and a reported price.

See every one on the electric companies in Tennessee page.

Kilowatt Atlas is not Columbia Power System and does not take payments, start service or manage accounts. To pay a bill, report an outage or start service, use the website, app or phone number printed on your bill. Be careful with search ads and lookalike sites that offer to pay your bill for a fee.

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