Nashville Electric Service: power outages per year
In 2025 the average Nashville Electric Service customer was without power for 0.0 hours. The utility served 461,654 customers in Tennessee and ranks #7 of 7 large Tennessee utilities by outage hours.
By year
| Year | Hours (with major events) | Hours (without) | Interruptions | Customers |
|---|---|---|---|---|
| 2025 | 0.0 | 1.4 | 0.0 | 461,654 |
| 2024 | 0.0 | 1.4 | 0.0 | 452,888 |
| 2023 | 21.9 | 2.4 | 3.0 | 440,331 |
| 2022 | 7.9 | 1.8 | 4.8 | 426,477 |
| 2021 | 12.8 | 1.7 | 1.8 | 416,477 |
| 2020 | 30.9 | 1.7 | 2.5 | 406,591 |
"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 Nashville Electric Service outages
An average outage here lasted about — hours in 2025. 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 Nashville Electric Service customers without power?
0.0 hours per customer in 2025 including major event days (1.4 h without them), as Nashville Electric Service reported to the U.S. EIA.
Source: U.S. EIA Form 861, Reliability file, 2020–2025. Data snapshot . Utilities ranked nationwide →