County annual report · FIPS 01073
2025 Jefferson County, AL Power Outage Report
In 2025, customers in Jefferson County, AL went without power for an average of 8.0 hours, a total of 3.0M customer-hours (Alabama average 6.2 hours). That ranks 28th worst of 66 Alabama counties and 1025th of 3,000 nationally.
Compared with AL, the US and 2024
Coverage line is EAGLE-I's share of Alabama customers tracked each year.
Biggest outages in Jefferson 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 | June 4, 2025 07:00 | July 6, 2025 06:30 | 31d 23h | 39,648 | 724K |
| 2 | March 4, 2025 07:00 | March 20, 2025 20:30 | 16d 13h | 39,184 | 513K |
| 3 | November 25, 2025 05:15 | November 28, 2025 08:00 | 3d 2h | 33,143 | 293K |
| 4 | May 10, 2025 04:45 | May 24, 2025 09:45 | 14d 5h | 20,185 | 421K |
| 5 | April 28, 2025 12:45 | May 10, 2025 03:30 | 11d 14h | 17,697 | 193K |
| 6 | February 16, 2025 01:45 | February 19, 2025 12:15 | 3d 10h | 14,517 | 151K |
| 7 | November 6, 2025 07:30 | November 12, 2025 07:45 | 6d | 4,087 | 10K |
| 8 | March 30, 2025 12:15 | April 12, 2025 10:30 | 12d 22h | 3,603 | 77K |
| 9 | April 21, 2025 09:00 | April 27, 2025 03:45 | 5d 18h | 3,203 | 33K |
| 10 | May 24, 2025 11:30 | June 2, 2025 03:00 | 8d 15h | 3,018 | 58K |
Outage episodes by size in 2025: 105 reached 100+ customers, 30 reached 1,000+ customers, 6 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 Jefferson 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 |
|---|---|---|---|---|---|
| Alabama Power Co | - | - | - | - | - |
| City of Bessemer Utilities | - | - | - | - | - |
| City of Tarrant | - | - | - | - | - |
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 Alabama's customers in 2025; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 372,757 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. Jefferson County has data for 2017–2025.
Cite this report
MassOutage (massoutage.com), Jefferson County, AL 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/). https://massoutage.com/reports/2025/alabama/jefferson-county