County annual report · FIPS 19187
2025 Webster County, IA Power Outage Report
In 2025, customers in Webster County, IA went without power for an average of 7.2 hours, a total of 147K customer-hours (Iowa average 2.9 hours). That ranks 17th worst of 99 Iowa counties and 1111th of 3,000 nationally.
Compared with IA, the US and 2024
Coverage line is EAGLE-I's share of Iowa customers tracked each year.
Biggest outages in Webster 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 | March 5, 2025 02:45 | March 7, 2025 03:15 | 2d | 7,101 | 86K |
| 2 | March 19, 2025 13:15 | March 20, 2025 20:30 | 1d 7h | 4,371 | 29K |
| 3 | July 29, 2025 04:45 | July 29, 2025 20:00 | 15h 15m | 2,072 | 4,365 |
| 4 | June 26, 2025 13:30 | June 26, 2025 20:15 | 6h 45m | 1,759 | 1,770 |
| 5 | September 17, 2025 01:00 | September 17, 2025 10:30 | 9h 30m | 1,588 | 3,729 |
| 6 | August 6, 2025 15:45 | August 6, 2025 22:30 | 6h 45m | 667 | 1,047 |
| 7 | September 17, 2025 11:30 | September 18, 2025 00:00 | 12h 30m | 662 | 597 |
| 8 | August 9, 2025 13:30 | August 10, 2025 02:45 | 13h 15m | 610 | 2,226 |
| 9 | March 21, 2025 21:15 | March 22, 2025 01:45 | 4h 30m | 530 | 1,267 |
| 10 | May 12, 2025 14:00 | May 12, 2025 23:00 | 9h | 482 | 2,371 |
Outage episodes by size in 2025: 33 reached 100+ customers, 5 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 Webster 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 |
|---|---|---|---|---|---|
| MidAmerican Energy Co | 2024 | 5.5 hrs | 1.42 | 1.7 hrs | 0.94 |
| Interstate Power and Light Co | - | - | - | - | - |
| Alliant Energy (Interstate Power & Light) | - | - | - | - | - |
| Midland Power Coop | - | - | - | - | - |
| Prairie Energy Coop | - | - | - | - | - |
| Calhoun County Elec Coop Assn | - | - | - | - | - |
| City of Stratford - (IA) | - | - | - | - | - |
| City of Callender - (IA) | - | - | - | - | - |
| City of Dayton - (IA) | - | - | - | - | - |
| City of Lehigh - (IA) | - | - | - | - | - |
| Gowrie Municipal Utilities | - | - | - | - | - |
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 Iowa's customers in 2025; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 20,411 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. Webster County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Webster County, IA 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/iowa/webster-county