County annual report · FIPS 19017
2020 Bremer County, IA Power Outage Report
In 2020, customers in Bremer County, IA went without power for an average of 0.7 hours, a total of 11K customer-hours (Iowa average 27.4 hours). That ranks 93rd worst of 99 Iowa counties and 2781st of 3,019 nationally.
Compared with IA, the US and 2019
Coverage line is EAGLE-I's share of Iowa customers tracked each year.
Biggest outages in Bremer County, 2020
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 9, 2020 18:00 | July 10, 2020 04:45 | 10h 45m | 1,133 | 2,618 |
| 2 | September 6, 2020 16:00 | September 6, 2020 16:15 | 15m | 479 | 120 |
| 3 | August 20, 2020 00:15 | August 20, 2020 02:15 | 2h | 338 | 661 |
| 4 | September 2, 2020 14:45 | September 2, 2020 20:00 | 5h 15m | 296 | 1,496 |
| 5 | June 1, 2020 15:15 | June 1, 2020 17:30 | 2h 15m | 203 | 292 |
| 6 | May 26, 2020 21:00 | May 26, 2020 22:45 | 1h 45m | 142 | 247 |
| 7 | December 21, 2020 16:30 | December 21, 2020 17:45 | 1h 15m | 142 | 176 |
| 8 | September 13, 2020 09:00 | September 14, 2020 14:30 | 1d 5h | 139 | 322 |
| 9 | July 30, 2020 14:30 | July 30, 2020 17:00 | 2h 30m | 138 | 319 |
| 10 | August 24, 2020 21:30 | August 28, 2020 19:45 | 3d 22h | 132 | 626 |
Outage episodes by size in 2020: 12 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 Bremer County reported on EIA Form 861 for 2020, 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 | 2020 | 18.3 hrs | 1.43 | 82 min | 0.79 |
| East-Central Iowa Rural Elec Coop | 2020 | 14.1 hrs | 1.01 | 54 min | 0.59 |
| Allamakee-Clayton El Coop, Inc | 2018 | 1.5 hrs | 0.73 | 1.5 hrs | 0.73 |
| Interstate Power and Light Co | - | - | - | - | - |
| Alliant Energy (Interstate Power & Light) | - | - | - | - | - |
| Waverly Municipal Elec Utility | - | - | - | - | - |
| Butler County Rural Elec Coop - (IA) | - | - | - | - | - |
| City of Denver - (IA) | - | - | - | - | - |
| City of Readlyn - (IA) | - | - | - | - | - |
| City of Sumner - (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 91% of Iowa's customers in 2020; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 16,028 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. Bremer County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Bremer County, IA annual power outage report, 2020, 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/2020/iowa/bremer-county