massoutage

2016 Iowa Power Outage Report

In 2016, the average Iowa customer went without power for about 1.8 hours — the 37th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
1.8
Peak customers out
32,746
Rank (worst state)
37th
Counties affected
20

Iowa outages over the decade

Average hours without power per customer, 2016 highlighted.

1.1h20151.8h20162.0h20172.2h20182.2h201927.4h20202.7h20211.6h20222.0h20233.2h20242.9h2025

Hardest-hit Iowa counties in 2016

By peak customers out during the year's worst event.

1Black Hawk County32,7462Polk County17,7833Scott County16,3064Johnson County12,5945Webster County11,4906Marshall County11,0527Woodbury County10,2138Linn County8,0069Pottawattamie County7,07510Dubuque County6,15611Wapello County5,58212Humboldt County5,24313Jasper County4,49414Jefferson County4,47915Iowa County4,06416Allamakee County3,95717Dallas County3,83118Dickinson County3,77019Poweshiek County3,66720Clinton County3,543

Biggest Iowa outages of 2016

CountyBeganPeak customers out
Black Hawk CountySeptember 22, 201632,746
Polk CountyAugust 21, 201617,783
Scott CountyOctober 7, 201616,306
Johnson CountyOctober 11, 201612,594
Webster CountyJuly 17, 201611,490
Marshall CountyFebruary 19, 201611,052
Johnson CountyJune 28, 201610,235
Woodbury CountyJune 17, 201610,213
Polk CountyAugust 17, 20169,582
Scott CountyAugust 29, 20168,342
Iowa by year:20252024202320222021202020192018
Other states in 2016:NCWVSCVAMEFL

Part of the 2016 US Power Outage Report. Source: DOE/ORNL EAGLE-I. “Avg hours per customer” is a SAIDI-like measure (outage customer-minutes ÷ tracked customers); coverage varies by year.