County annual report · FIPS 19053
2023 Decatur County, IA Power Outage Report
In 2023, customers in Decatur County, IA went without power for an average of 1.2 hours, a total of 4,192 customer-hours (Iowa average 2.0 hours). That ranks 67th worst of 99 Iowa counties and 2574th 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 Decatur 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 | July 12, 2023 12:45 | July 12, 2023 23:30 | 10h 45m | 653 | 928 |
| 2 | July 17, 2023 12:45 | July 17, 2023 14:00 | 1h 15m | 457 | 154 |
| 3 | May 8, 2023 04:15 | May 8, 2023 11:15 | 7h | 370 | 203 |
| 4 | May 11, 2023 19:15 | May 11, 2023 22:45 | 3h 30m | 169 | 552 |
| 5 | June 8, 2023 19:00 | June 8, 2023 23:15 | 4h 15m | 65 | 213 |
| 6 | August 21, 2023 22:30 | August 21, 2023 22:45 | 15m | 62 | 16 |
| 7 | June 16, 2023 16:45 | June 16, 2023 17:00 | 15m | 53 | 13 |
| 8 | February 12, 2023 19:45 | February 12, 2023 21:30 | 1h 45m | 37 | 65 |
| 9 | August 4, 2023 14:15 | August 4, 2023 16:30 | 2h 15m | 37 | 83 |
| 10 | June 5, 2023 12:45 | June 5, 2023 14:45 | 2h | 31 | 17 |
Outage episodes by size in 2023: 4 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 Decatur 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 |
|---|---|---|---|---|---|
| Southwest Iowa Rural Elec Coop | 2018 | 2.4 hrs | 1.69 | 1.6 hrs | 1.21 |
| Interstate Power and Light Co | - | - | - | - | - |
| Alliant Energy (Interstate Power & Light) | - | - | - | - | - |
| Grundy Electric Coop, Inc | - | - | - | - | - |
| Clarke Electric Coop Inc - (IA) | - | - | - | - | - |
| City of Lamoni - (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 ÷ 3,356 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. Decatur County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Decatur 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/decatur-county