County annual report · FIPS 29151
2025 Osage County, MO Power Outage Report
In 2025, customers in Osage County, MO went without power for an average of 2.5 hours, a total of 15K customer-hours (Missouri average 8.9 hours). That ranks 91st worst of 115 Missouri counties and 2225th of 3,000 nationally.
Compared with MO, the US and 2024
Coverage line is EAGLE-I's share of Missouri customers tracked each year.
Biggest outages in Osage 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 7, 2025 17:45 | June 7, 2025 22:15 | 4h 30m | 1,229 | 311 |
| 2 | August 17, 2025 20:45 | August 18, 2025 03:00 | 6h 15m | 986 | 2,260 |
| 3 | March 14, 2025 17:00 | March 15, 2025 19:45 | 1d 2h | 818 | 3,076 |
| 4 | October 19, 2025 04:45 | October 19, 2025 11:00 | 6h 15m | 585 | 1,012 |
| 5 | January 5, 2025 19:30 | January 5, 2025 21:30 | 2h | 507 | 647 |
| 6 | January 5, 2025 14:30 | January 5, 2025 17:15 | 2h 45m | 361 | 993 |
| 7 | March 28, 2025 17:45 | March 28, 2025 22:15 | 4h 30m | 310 | 314 |
| 8 | March 5, 2025 13:30 | March 5, 2025 19:45 | 6h 15m | 272 | 171 |
| 9 | June 26, 2025 15:00 | June 26, 2025 15:15 | 15m | 268 | 67 |
| 10 | July 8, 2025 15:45 | July 9, 2025 01:00 | 9h 15m | 268 | 244 |
Outage episodes by size in 2025: 17 reached 100+ customers, 1 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 Osage 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 |
|---|---|---|---|---|---|
| Union Electric Co - (MO) | 2024 | 2.5 hrs | 0.77 | 1.6 hrs | 0.67 |
| Three Rivers Electric Coop | 2024 | 2.3 hrs | 0.98 | 2.3 hrs | 0.98 |
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 Missouri's customers in 2025; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 5,974 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. Osage County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Osage County, MO 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/missouri/osage-county