Power outages in Harpers Ferry, IA
Live outages for Harpers Ferry and the surrounding area, updated every 10 minutes. Harpers Ferry has 274 residents.
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No live outage data for Harpers Ferry yet.
Outage map
Harpers FerryAllamakee County
Outage history in Allamakee County, which includes Harpers Ferry
2014–2025 recordAllamakee County averaged 16.7 significant outages a year in 2023–2025, about typical for Iowa counties.
In the 12 months to December 2025, there were 17. Half were over within 2 hours; the longest lasted 5.5 hours, starting August 17, 2025.
The largest on record began March 24, 2016, with 3,957 customers out at once.
Outages are most common in June.
16.7significant outages a year (2023–2025)
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At least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.2 hourstypical (median) length
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Half of significant outages here ended sooner than this, and half lasted longer.30 hourslongest on record (December 2019)
3,957most customers out at once
| Largest events (start) | Peak out | LastediHow long this area stayed at or above the significant-outage line, not how long any one home was without power. | Customer-hoursiCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours. |
|---|---|---|---|
| March 24, 2016 | 3,957 | 16 hours | 12,272 |
| July 19, 2017 | 3,098 | 24 hours | 37,491 |
| October 12, 2015 | 2,707 | 1.5 hours | 3,326 |
| December 16, 2021 | 2,648 | 18 hours | 19,860 |
| June 14, 2022 | 2,630 | 30 minutes | 1,315 |
Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).i
From EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.