County annual report · FIPS 19135
2018 Monroe County, IA Power Outage Report
In 2018, customers in Monroe County, IA went without power for an average of 6.9 hours, a total of 28K customer-hours (Iowa average 2.2 hours). That ranks 8th worst of 99 Iowa counties and 792nd of 2,798 nationally.
Compared with IA, the US and 2017
Coverage line is EAGLE-I's share of Iowa customers tracked each year.
Biggest outages in Monroe County, 2018
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | August 28, 2018 01:00 | August 29, 2018 20:30 | 1d 19h | 1,282 | 5,107 |
| 2 | May 21, 2018 21:30 | May 21, 2018 23:30 | 2h | 849 | 1,485 |
| 3 | February 2, 2018 22:15 | February 2, 2018 22:30 | 15m | 610 | 153 |
| 4 | December 7, 2018 19:15 | December 7, 2018 21:30 | 2h 15m | 531 | 795 |
| 5 | October 20, 2018 13:15 | October 20, 2018 21:45 | 8h 30m | 375 | 1,435 |
| 6 | May 20, 2018 09:30 | May 20, 2018 11:00 | 1h 30m | 372 | 202 |
| 7 | July 19, 2018 22:00 | July 19, 2018 23:00 | 1h | 332 | 332 |
| 8 | December 4, 2018 21:45 | December 4, 2018 22:45 | 1h | 325 | 85 |
| 9 | September 20, 2018 13:45 | September 20, 2018 21:45 | 8h | 301 | 488 |
| 10 | August 31, 2018 22:00 | September 1, 2018 00:00 | 2h | 261 | 198 |
Outage episodes by size in 2018: 17 reached 100+ customers, 1 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 Monroe County reported on EIA Form 861 for 2018, 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 | 2018 | 1.9 hrs | 1.18 | 75 min | 0.96 |
| Chariton Valley Elec Coop, Inc | 2018 | 2.3 hrs | 1.23 | 2.3 hrs | 1.23 |
| Interstate Power and Light Co | - | - | - | - | - |
| Alliant Energy (Interstate Power & Light) | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 89% of Iowa's customers in 2018; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 4,056 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. Monroe County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Monroe County, IA annual power outage report, 2018, 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/2018/iowa/monroe-county