County annual report · FIPS 01073
2018 Jefferson County, AL Power Outage Report
In 2018, customers in Jefferson County, AL went without power for an average of 5.9 hours, a total of 2.2M customer-hours (Alabama average 4.9 hours). That ranks 28th worst of 65 Alabama counties and 919th of 2,798 nationally.
Compared with AL, the US and 2017
Coverage line is EAGLE-I's share of Alabama customers tracked each year.
Biggest outages in Jefferson County, 2018
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 27, 2018 10:45 | July 18, 2018 23:15 | 21d 12h | 47,818 | 643K |
| 2 | December 6, 2018 10:45 | December 14, 2018 09:00 | 7d 22h | 31,934 | 472K |
| 3 | May 25, 2018 10:15 | June 5, 2018 08:30 | 10d 22h | 11,355 | 127K |
| 4 | June 7, 2018 11:15 | June 19, 2018 09:00 | 11d 21h | 7,452 | 77K |
| 5 | April 22, 2018 06:45 | April 24, 2018 10:15 | 2d 3h | 7,222 | 54K |
| 6 | August 20, 2018 11:45 | August 25, 2018 08:30 | 4d 20h | 6,769 | 22K |
| 7 | September 18, 2018 11:45 | September 30, 2018 08:00 | 11d 20h | 5,214 | 59K |
| 8 | April 13, 2018 11:15 | April 17, 2018 08:30 | 3d 21h | 5,191 | 37K |
| 9 | May 11, 2018 11:30 | May 19, 2018 05:45 | 7d 18h | 4,185 | 69K |
| 10 | August 25, 2018 11:30 | August 31, 2018 10:15 | 5d 22h | 4,059 | 13K |
Outage episodes by size in 2018: 108 reached 100+ customers, 45 reached 1,000+ customers, 3 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 2018, 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 79% of Alabama's customers in 2018; 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, 2018, 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/2018/alabama/jefferson-county