County annual report · FIPS 19037
2023 Chickasaw County, IA Power Outage Report
In 2023, customers in Chickasaw County, IA went without power for an average of 0.7 hours, a total of 4,908 customer-hours (Iowa average 2.0 hours). That ranks 92nd worst of 99 Iowa counties and 2768th of 2,977 nationally.
Compared with IA, the US and 2022
Coverage line is EAGLE-I's share of Iowa customers tracked each year.
Biggest outages in Chickasaw County, 2023
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | October 20, 2023 23:00 | October 20, 2023 23:15 | 15m | 167 | 42 |
| 2 | May 15, 2023 05:30 | May 15, 2023 12:45 | 7h 15m | 165 | 282 |
| 3 | June 28, 2023 13:45 | June 28, 2023 16:30 | 2h 45m | 146 | 400 |
| 4 | March 31, 2023 22:45 | April 1, 2023 01:45 | 3h | 139 | 369 |
| 5 | July 25, 2023 15:30 | July 25, 2023 18:45 | 3h 15m | 123 | 127 |
| 6 | May 10, 2023 15:15 | May 10, 2023 15:30 | 15m | 109 | 27 |
| 7 | July 22, 2023 17:15 | July 22, 2023 19:45 | 2h 30m | 96 | 240 |
| 8 | August 29, 2023 13:15 | August 29, 2023 15:00 | 1h 45m | 74 | 93 |
| 9 | June 18, 2023 19:30 | June 18, 2023 22:30 | 3h | 67 | 185 |
| 10 | October 6, 2023 23:15 | October 7, 2023 00:15 | 1h | 58 | 30 |
Outage episodes by size in 2023: 6 reached 100+ customers, 0 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 Chickasaw County reported on EIA Form 861 for 2023, 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 | 2023 | 2.8 hrs | 1.13 | 78 min | 0.83 |
| Heartland Power Coop | 2023 | 68 min | 0.90 | 68 min | 0.90 |
| MiEnergy Cooperative | 2023 | 58 min | 0.66 | 52 min | 0.61 |
| Allamakee-Clayton El Coop, Inc | 2018 | 1.5 hrs | 0.73 | 1.5 hrs | 0.73 |
| Butler County Rural Elec Coop - (IA) | 2023 | 71 min | 0.68 | 71 min | 0.68 |
| Interstate Power and Light Co | - | - | - | - | - |
| City of Alta Vista- (IA) | - | - | - | - | - |
| City of Fredericksburg - (IA) | - | - | - | - | - |
| City of Lawler - (IA) | - | - | - | - | - |
| City of New Hampton - (IA) | - | - | - | - | - |
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 2023; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 6,991 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. Chickasaw County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Chickasaw County, IA annual power outage report, 2023, 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/2023/iowa/chickasaw-county