Power outages in Letts, IA

Live outages for Letts and the surrounding area, updated every 10 minutes. Letts has 350 residents.

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LettsLouisa County

Outage history in Louisa County, which includes Letts

2014–2025 record

Louisa County averaged 14.7 significant outages a year in 2023–2025, about typical for Iowa counties.

In the 12 months to December 2025, there were 13. Half were over within 1.5 hours; the longest lasted 2.5 hours, starting April 24, 2025.

The largest on record began July 20, 2016, with 1,884 customers out at once.

Outages are most common in July.

14.7significant outages a year (2023–2025)
iAt 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.
1.5 hourstypical (median) length
iHalf of significant outages here ended sooner than this, and half lasted longer.
8 dayslongest on record (November 2018)
1,884most customers out at once
Largest events (start)Peak outLasted
iHow long this area stayed at or above the significant-outage line, not how long any one home was without power.
Customer-hours
iCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours.
July 20, 20161,8844 hours3,720
March 27, 20151,7111.5 hours586
January 16, 20151,4571.5 hours2,186
May 30, 20171,4411 hour1,441
July 12, 20181,4412.5 hours3,592

Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).

iFrom 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.