County annual report · FIPS 29099
2019 Jefferson County, MO Power Outage Report
In 2019, customers in Jefferson County, MO went without power for an average of 0.2 hours, a total of 27K customer-hours (Missouri average 3.8 hours). That ranks 110th worst of 115 Missouri counties and 2762nd of 2,945 nationally.
Compared with MO, the US and 2018
Coverage line is EAGLE-I's share of Missouri customers tracked each year.
Biggest outages in Jefferson County, 2019
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | November 26, 2019 22:45 | November 28, 2019 06:00 | 1d 7h | 3,061 | 17K |
| 2 | December 29, 2019 06:30 | December 29, 2019 09:00 | 2h 30m | 1,688 | 2,533 |
| 3 | December 26, 2019 17:00 | December 26, 2019 21:15 | 4h 15m | 710 | 901 |
| 4 | November 22, 2019 17:00 | November 22, 2019 17:45 | 45m | 657 | 165 |
| 5 | November 26, 2019 15:30 | November 26, 2019 21:00 | 5h 30m | 592 | 1,054 |
| 6 | December 18, 2019 20:00 | December 19, 2019 01:30 | 5h 30m | 268 | 338 |
| 7 | December 5, 2019 14:30 | December 6, 2019 00:30 | 10h | 138 | 146 |
| 8 | November 21, 2019 14:00 | November 21, 2019 19:45 | 5h 45m | 134 | 78 |
| 9 | November 12, 2019 00:30 | November 12, 2019 04:45 | 4h 15m | 118 | 446 |
| 10 | November 30, 2019 12:45 | December 1, 2019 01:00 | 12h 15m | 96 | 93 |
Outage episodes by size in 2019: 9 reached 100+ customers, 2 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 Jefferson County reported on EIA Form 861 for 2019, 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 |
|---|---|---|---|---|---|
| Union Electric Co - (MO) | 2018 | 2.3 hrs | 0.85 | 86 min | 0.72 |
| Crawford Electric Coop, Inc | 2018 | 5.0 hrs | 2.12 | 5.0 hrs | 2.12 |
| Citizens Electric Corporation - (MO) | 2018 | 2.3 hrs | - | 1.7 hrs | - |
| Ameren | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 95% of Missouri's customers in 2019; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 108,266 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 2015–2025.
Cite this report
MassOutage (massoutage.com), Jefferson County, MO annual power outage report, 2019, 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/2019/missouri/jefferson-county