City of Chattanooga - (TN): power outages per year
In 2024 the average City of Chattanooga - (TN) customer was without power for 3.2 hours, less than the Tennessee average of 4.6 h; down from 4.8 h in 2023. The utility served 200,553 customers in Tennessee and ranks #5 of 7 large Tennessee utilities by outage hours.
By year
| Year | Hours (with major events) | Hours (without) | Interruptions | Customers |
|---|---|---|---|---|
| 2024 | 3.2 | 1.2 | 1.4 | 200,553 |
| 2023 | 4.8 | 1.3 | 1.7 | 196,502 |
| 2022 | 3.0 | 1.6 | 1.6 | 193,387 |
| 2021 | 1.2 | 1.0 | 0.6 | 189,638 |
| 2020 | 19.9 | 1.4 | 1.5 | 187,516 |
"With major events" includes storm days that utilities may exclude from their own reliability targets; it is what customers actually live through. The gap between the two columns shows how much of the year's outage time came from big storms.
Backup power for City of Chattanooga - (TN) outages
An average outage here lasted about 2.4 hours in 2024. Size backup for the longest outage you want to ride through, not the average.
Other large utilities in Tennessee
FAQ
How many hours a year are City of Chattanooga - (TN) customers without power?
3.2 hours per customer in 2024 including major event days (1.2 h without them), as City of Chattanooga - (TN) reported to the U.S. EIA.
How long does a typical City of Chattanooga - (TN) outage last?
About 2.4 hours on average in 2024 (total outage minutes divided by the number of interruptions). Storms make single events much longer.
Source: U.S. EIA Form 861, Reliability file, 2020–2024. Data snapshot . Utilities ranked nationwide →