County annual report · FIPS 40133
2025 Seminole County, OK Power Outage Report
In 2025, customers in Seminole County, OK went without power for an average of 5.9 hours, a total of 81K customer-hours (Oklahoma average 4.9 hours). That ranks 40th worst of 77 Oklahoma counties and 1293rd of 3,000 nationally.
Compared with OK, the US and 2024
Coverage line is EAGLE-I's share of Oklahoma customers tracked each year.
Biggest outages in Seminole 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 | May 24, 2025 08:45 | May 25, 2025 09:45 | 1d 1h | 1,552 | 3,644 |
| 2 | December 14, 2025 04:15 | December 14, 2025 07:15 | 3h | 1,479 | 1,926 |
| 3 | December 8, 2025 18:15 | December 8, 2025 22:00 | 3h 45m | 1,469 | 1,725 |
| 4 | June 4, 2025 00:00 | June 4, 2025 19:00 | 19h | 1,183 | 2,752 |
| 5 | October 15, 2025 22:30 | October 15, 2025 23:30 | 1h | 1,134 | 410 |
| 6 | April 19, 2025 00:00 | April 20, 2025 00:30 | 1d | 1,054 | 4,177 |
| 7 | October 29, 2025 12:15 | October 29, 2025 18:15 | 6h | 785 | 638 |
| 8 | August 11, 2025 23:00 | August 12, 2025 15:15 | 16h 15m | 773 | 1,636 |
| 9 | August 21, 2025 12:30 | August 21, 2025 16:00 | 3h 30m | 708 | 1,269 |
| 10 | March 14, 2025 16:15 | March 17, 2025 03:15 | 2d 11h | 500 | 10K |
Outage episodes by size in 2025: 55 reached 100+ customers, 6 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 Seminole 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 |
|---|---|---|---|---|---|
| Canadian Valley Elec Coop, Inc | 2024 | 9.8 hrs | 1.56 | 3.0 hrs | 1.19 |
| East Central Oklahoma Elec Coop Inc | 2024 | 4.8 hrs | 1.66 | 2.8 hrs | 1.38 |
| Oklahoma Gas & Electric Co | - | - | - | - | - |
| People's Electric Cooperative | - | - | - | - | - |
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 Oklahoma's customers in 2025; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 13,650 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. Seminole County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Seminole County, OK 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/oklahoma/seminole-county