Columbia Power System - (TN) Rates: Average Bill & Price per kWh

Residential rates for Columbia Power System - (TN) and how they compare to the Tennessee average — 2024 EIA-861 annual data.

Data through 2024 EIA-861, verified Oct 11, 2026

Residential customers of Columbia Power System - (TN) average $130.63/month at 12¢/kWh — below the Tennessee average of $168.28.

Avg bill (2024)$130.63/moannual average Rate12¢/kWh Res. customers31,166 Bill rank#51 in TNof tracked utilities

Where Columbia Power System - (TN) rates are heading

Annual residential figures from Form EIA-861, 2019–2024.

Columbia Power System - (TN) price per kWh (annual) ▲ 10.8% over 2019–2024
Columbia Power System - (TN) price per kWh (annual) 10.7¢ 11.4¢ 12.1¢ 12.0¢ 2019 2024
YearRateAvg billRes. customers
2019 10.84¢/kWh $127.53/mo 24,914
2020 10.69¢/kWh $114.60/mo 26,874
2021 10.99¢/kWh $121.81/mo 27,949
2022 12.12¢/kWh $135.77/mo 28,917
2023 11.91¢/kWh $121.81/mo 30,374
2024 12¢/kWh $130.63/mo 31,166

Rate context in Tennessee

Statewide residential price trend (12 months) — context for Columbia Power System - (TN)'s 2024 annual figure.

Tennessee price per kWh (12 months) ▲ 6.5% over Jul 25–Jun 26
Tennessee price per kWh (12 months) 12.8¢ 13.9¢ 15.1¢ 14.1¢ Jul 25 Jun 26

Columbia Power System - (TN) vs its state

Annual utility averages next to the latest statewide monthly figure — different windows, both labeled.

MeasureColumbia Power System - (TN)Tennessee (latest month)
Avg bill $130.63/mo $168.28/mo
Rate 12¢/kWh 14.07¢/kWh

Cities served by Columbia Power System - (TN)

Common questions

How much is the average electric bill with Columbia Power System - (TN)?

Columbia Power System - (TN) residential customers averaged $130.63 per month in 2024 (EIA-861 annual data) — about $1,567.57 per year.

What does Columbia Power System - (TN) charge per kWh?

Columbia Power System - (TN) averaged 12¢ per kWh for residential service in 2024 (annual revenue divided by sales, EIA-861). Actual rates depend on your plan and season.

How does Columbia Power System - (TN) compare to the Tennessee average?

Columbia Power System - (TN) bills average $130.63 — lower than the Tennessee average of $168.28 (latest EIA month).

How many customers does Columbia Power System - (TN) serve?

Columbia Power System - (TN) served 31,166 residential customers in 2024, per EIA-861 — one of the largest utilities we track in TN.

Data: Form EIA-861, 2024 annual residential figures for Columbia Power System - (TN). Bill = residential revenue ÷ customers ÷ 12; rate = revenue ÷ sales. State context uses the latest EIA monthly data. See methodology.