County annual report · FIPS 47031
2025 Coffee County, TN Power Outage Report
In 2025, customers in Coffee County, TN went without power for an average of 3.6 hours, a total of 117K customer-hours (Tennessee average 4.3 hours). That ranks 47th worst of 81 Tennessee counties and 1887th 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 Coffee 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 | October 10, 2025 00:15 | November 24, 2025 14:45 | 45d 14h | 7,290 | 50K |
| 2 | December 19, 2025 01:30 | December 19, 2025 18:30 | 17h | 2,602 | 4,908 |
| 3 | June 25, 2025 10:45 | June 25, 2025 12:00 | 1h 15m | 2,102 | 528 |
| 4 | March 31, 2025 07:00 | March 31, 2025 14:30 | 7h 30m | 1,788 | 3,607 |
| 5 | June 7, 2025 19:30 | June 8, 2025 02:45 | 7h 15m | 1,667 | 1,849 |
| 6 | August 2, 2025 01:00 | August 2, 2025 02:45 | 1h 45m | 1,422 | 1,429 |
| 7 | June 3, 2025 09:30 | June 3, 2025 10:45 | 1h 15m | 1,421 | 1,054 |
| 8 | September 22, 2025 03:45 | September 22, 2025 09:00 | 5h 15m | 1,407 | 6,891 |
| 9 | May 19, 2025 12:15 | May 19, 2025 19:15 | 7h | 1,381 | 1,072 |
| 10 | September 22, 2025 18:45 | September 23, 2025 02:15 | 7h 30m | 1,371 | 1,941 |
Outage episodes by size in 2025: 51 reached 100+ customers, 13 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 Coffee 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 |
|---|---|---|---|---|---|
| Duck River Elec Member Corp | 2024 | 4.6 hrs | 2.46 | 2.7 hrs | 2.08 |
| Sequachee Valley Electric Coop | 2024 | 5.0 hrs | 3.09 | 4.2 hrs | 2.69 |
| Tullahoma Board-Public Utils | 2024 | 56 min | 3.94 | 40 min | 2.31 |
| Caney Fork Electric Coop, Inc | - | - | - | - | - |
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 ÷ 33,033 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. Coffee County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Coffee 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/coffee-county