County annual report · FIPS 47011
2025 Bradley County, TN Power Outage Report
In 2025, customers in Bradley County, TN went without power for an average of 6.7 hours, a total of 365K customer-hours (Tennessee average 4.3 hours). That ranks 21st worst of 81 Tennessee counties and 1198th of 3,000 nationally.
Compared with TN, the US and 2024
Coverage line is EAGLE-I's share of Tennessee customers tracked each year.
Biggest outages in Bradley County, 2025
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | February 13, 2025 04:00 | February 13, 2025 16:30 | 12h 30m | 8,327 | 18K |
| 2 | March 4, 2025 12:45 | March 6, 2025 23:15 | 2d 10h | 7,909 | 54K |
| 3 | May 20, 2025 10:45 | May 20, 2025 19:00 | 8h 15m | 5,540 | 9,924 |
| 4 | June 7, 2025 14:00 | June 8, 2025 18:00 | 1d 4h | 5,107 | 29K |
| 5 | September 27, 2025 04:00 | September 27, 2025 08:30 | 4h 30m | 4,151 | 13K |
| 6 | September 12, 2025 04:00 | September 12, 2025 09:15 | 5h 15m | 4,149 | 17K |
| 7 | March 17, 2025 06:15 | March 17, 2025 07:00 | 45m | 4,108 | 3,081 |
| 8 | June 17, 2025 20:45 | June 19, 2025 07:15 | 1d 10h | 3,263 | 13K |
| 9 | April 9, 2025 15:15 | April 9, 2025 22:00 | 6h 45m | 2,813 | 11K |
| 10 | June 21, 2025 01:00 | June 21, 2025 05:30 | 4h 30m | 2,504 | 4,479 |
Outage episodes by size in 2025: 92 reached 100+ customers, 31 reached 1,000+ customers, 0 reached 10,000+ customers.
Utility reliability filed with the EIA
SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Bradley County reported on EIA Form 861 for 2025, or their most recent earlier filing. Utility-wide figures, not county-specific.
| Utility | EIA year | SAIDI | SAIFI | SAIDI excl. major events | SAIFI excl. major events |
|---|---|---|---|---|---|
| Volunteer Electric Coop | 2024 | 11.4 hrs | 5.80 | 7.3 hrs | 5.02 |
| City of Chattanooga - (TN) | 2021 | 73 min | 0.60 | 59 min | 0.53 |
| City of Cleveland - (TN) | 2024 | 61 min | 0.89 | 46 min | 0.80 |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about n/a of Tennessee's customers in 2025; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 54,499 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
- An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
- Years loaded: 2015–2025. Bradley County has data for 2019–2025.
Cite this report
MassOutage (massoutage.com), Bradley County, TN annual power outage report, 2025, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2025/tennessee/bradley-county