County annual report · FIPS 19189
2022 Winnebago County, IA Power Outage Report
In 2022, customers in Winnebago County, IA went without power for an average of 1.9 hours, a total of 13K customer-hours (Iowa average 1.6 hours). That ranks 52nd worst of 99 Iowa counties and 2350th of 2,976 nationally.
Compared with IA, the US and 2021
Coverage line is EAGLE-I's share of Iowa customers tracked each year.
Biggest outages in Winnebago County, 2022
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 30, 2022 21:15 | May 31, 2022 07:00 | 9h 45m | 1,768 | 1,865 |
| 2 | May 3, 2022 05:00 | May 3, 2022 10:45 | 5h 45m | 1,051 | 4,995 |
| 3 | August 7, 2022 04:45 | August 7, 2022 05:00 | 15m | 377 | 94 |
| 4 | July 5, 2022 20:45 | July 5, 2022 22:45 | 2h | 376 | 472 |
| 5 | October 21, 2022 03:30 | October 21, 2022 10:15 | 6h 45m | 305 | 1,142 |
| 6 | January 12, 2022 15:45 | January 12, 2022 20:15 | 4h 30m | 223 | 217 |
| 7 | September 22, 2022 15:00 | September 22, 2022 19:30 | 4h 30m | 157 | 178 |
| 8 | April 12, 2022 16:45 | April 12, 2022 18:30 | 1h 45m | 142 | 249 |
| 9 | March 2, 2022 20:30 | March 2, 2022 23:15 | 2h 45m | 105 | 115 |
| 10 | July 5, 2022 23:45 | July 6, 2022 08:45 | 9h | 86 | 352 |
Outage episodes by size in 2022: 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 Winnebago County reported on EIA Form 861 for 2022, 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 |
|---|---|---|---|---|---|
| Heartland Power Coop | 2022 | 73 min | 0.76 | 73 min | 0.76 |
| Interstate Power and Light Co | - | - | - | - | - |
| Prairie Energy Coop | - | - | - | - | - |
| City of Forest City- (IA) | - | - | - | - | - |
| City of Lake Mills | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 91% of Iowa's customers in 2022; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 7,213 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. Winnebago County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Winnebago County, IA annual power outage report, 2022, 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/2022/iowa/winnebago-county