Power outages in Derby, IA
Live outages for Derby and the surrounding area, updated every 10 minutes. Derby has 90 residents.
Right now
No live outage data for Derby yet.
Outage map
DerbyLucas County
Outage history in Lucas County, which includes Derby
2014–2025 recordLucas County averaged 8 significant outages a year in 2023–2025, fewer than most Iowa counties.
In the 12 months to December 2025, there were 5. Half were over within 1.5 hours; the longest lasted 2.5 hours, starting March 14, 2025.
The largest on record began August 20, 2019, with 2,541 customers out at once.
8significant 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.1 hourtypical (median) length
i
Half of significant outages here ended sooner than this, and half lasted longer.11 hourslongest on record (August 2019)
2,541most 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. |
|---|---|---|---|
| August 20, 2019 | 2,541 | 11 hours | 4,655 |
| June 25, 2015 | 1,990 | 9.5 hours | 10,439 |
| May 17, 2019 | 1,049 | 15 minutes | 262 |
| December 16, 2021 | 948 | 10 hours | 3,333 |
| July 19, 2016 | 865 | 7.5 hours | 3,574 |
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.