massoutage

2022 Iowa Power Outage Report

In 2022, the average Iowa customer went without power for about 1.6 hours, the 47th worst of 51 states (US average 6.2 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
1.6
vs prior year
▼ 40%
vs 2021
Customer-hours out
2.6M
Peak customers out
23,041
across the state at once
EAGLE-I coverage
91%
of IA customers
Counties reporting
99

Iowa year over year

Iowa: average hours without power per customer by year2015: 1.1h; 2016: 1.8h; 2017: 2.0h; 2018: 2.2h, coverage 89%; 2019: 2.2h, coverage 89%; 2020: 27.3h, coverage 91%; 2021: 2.7h, coverage 91%; 2022: 1.6h, coverage 91%; 2023: 2.0h; 2024: 3.2h; 2025: 2.9h01020300%50%100%1.1h20151.8h20162.0h20172.2h20182.2h201927.3h20202.7h20211.6h20222.0h20233.2h20242.9h2025
Use the arrow keys to read values.
Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Month by month, 2022

Customer-hours without power across Iowa; July was the worst.

CSVJSON
Iowa customer-hours without power by month, 2022Jan 106K, Feb 76K, Mar 271K, Apr 276K, May 285K, Jun 247K, Jul 479K, Aug 211K, Sep 163K, Oct 172K, Nov 160K, Dec 125K0200k400k600k106KJan76KFeb271KMar276KApr285KMay247KJun479KJul211KAug163KSep172KOct160KNov125KDec
Use the arrow keys to read values.

All 99 Iowa counties, 2022

Ranked by average hours without power per customer. Each county links to its annual report.

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Monroe County10.040K4,056638322
2Howard County7.531K4,1772,415382
3Ida County5.919K3,2311,966130
4Winneshiek County5.754K9,3695,712488
5O'Brien County5.628K5,0303,169180
6Mills County5.036K7,2702,540397
7Mahaska County4.839K8,1623,067284
8Calhoun County4.619K4,0921,592164
9Fremont County4.519K4,2853,098203
10Allamakee County4.530K6,7502,630283
11Dickinson County4.429K6,7316,731267
12Franklin County4.119K4,637971192
13Audubon County4.110K2,5111,422158
14Adams County3.97,1511,844498154
15Ringgold County3.89,6532,511506260
16Grundy County3.821K5,5071,300206
17Fayette County3.833K8,7121,692418
18Tama County3.629K8,1693,236302
19Appanoose County3.422K6,572836399
20Worth County3.37,6062,289649232
21Greene County3.311K3,4173,339205
22Wayne County3.29,5342,947741201
23Louisa County3.114K4,554698360
24Poweshiek County3.121K6,7081,950354
25Butler County3.015K4,7911,336187
26Harrison County2.922K7,620713244
27Humboldt County2.910K3,5071,071211
28Floyd County2.923K7,8861,173262
29Warren County2.764K23,8065,746415
30Jasper County2.641K15,5663,270506
31Monona County2.619K7,3881,422115
32Madison County2.524K9,3661,887298
33Delaware County2.517K7,0351,432286
34Van Buren County2.47,6383,146384176
35Decatur County2.48,1183,356628202
36Woodbury County2.461K25,6263,182750
37Pocahontas County2.37,2853,159386158
38Sac County2.38,9023,8951,217127
39Taylor County2.26,6002,951334184
40Carroll County2.219K8,6663,405222
41Plymouth County2.219K8,581804287
42Iowa County2.215K6,965973377
43Mitchell County2.114K6,3472,130262
44Sioux County2.135K16,9933,204223
45Hardin County2.014K6,8852,068256
46Shelby County2.014K7,164562222
47Clinton County2.042K21,5053,624685
48Union County2.013K6,6453,046314
49Page County1.917K9,0353,628245
50Montgomery County1.911K5,7244,396199
51Palo Alto County1.97,9614,1662,190143
52Winnebago County1.913K7,2131,768286
53Crawford County1.716K9,213969148
54Marshall County1.727K15,9453,089472
55Lyon County1.68,3135,0901,14275
56Hancock County1.68,8635,489982286
57Boone County1.617K10,6701,146454
58Lucas County1.66,5674,225438272
59Jefferson County1.611K6,8791,345369
60Jackson County1.516K10,302608275
61Johnson County1.5118K77,7696,548776
62Wright County1.58,1815,5381,779279
63Washington County1.514K9,7001,871454
64Lee County1.422K15,4862,399604
65Des Moines County1.425K18,2071,586585
66Jones County1.412K8,507727358
67Cerro Gordo County1.440K29,4353,211628
68Pottawattamie County1.368K51,1324,661717
69Buchanan County1.316K12,254518311
70Scott County1.389K67,6112,941958
71Keokuk County1.36,0904,684534339
72Cedar County1.312K8,986663381
73Cherokee County1.37,5885,9681,009131
74Story County1.278K63,39615,704546
75Benton County1.216K13,498834421
76Polk County1.2339K287,09519,067894
77Chickasaw County1.28,1526,9911,854249
78Dallas County1.268K58,4516,523584
79Black Hawk County1.164K57,5333,477742
80Wapello County1.124K21,9603,302635
81Dubuque County1.151K46,5462,127672
82Adair County1.13,9823,686712183
83Webster County1.122K20,4111,319456
84Buena Vista County1.012K11,6072,363236
85Guthrie County1.05,4405,390817165
86Clarke County1.04,2554,290183203
87Linn County0.9108K118,2477,585869
88Davis County0.83,8824,718205106
89Henry County0.89,81111,923866349
90Marion County0.816K19,8762,976289
91Clay County0.710K13,668959136
92Hamilton County0.76,3929,205363259
93Clayton County0.76,78410,421376118
94Cass County0.66,27610,329971170
95Bremer County0.57,97616,028833178
96Muscatine County0.515K30,353766410
97Kossuth County0.53,6147,698247151
98Osceola County0.51,6563,58823547
99Emmet County0.21,3315,93430285

Biggest Iowa outages of 2022

Up to 25 county outage episodes with the most customers out at once.

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Polk County, IAApril 23, 2022 12:15April 25, 2022 08:151d 20h19,06718K
2Story County, IAJuly 5, 2022 12:45July 5, 2022 17:455h15,70410K
3Story County, IAJuly 4, 2022 21:15July 5, 2022 01:003h 45m15,52424K
4Story County, IAAugust 24, 2022 13:30August 24, 2022 15:151h 45m8,9395,602
5Linn County, IAJuly 5, 2022 22:30July 7, 2022 02:301d 4h7,58514K
6Polk County, IAMarch 5, 2022 18:30March 9, 2022 22:154d 3h7,55451K
7Story County, IAAugust 17, 2022 13:00August 17, 2022 14:451h 45m7,1735,739
8Dickinson County, IAMay 11, 2022 15:15May 12, 2022 06:1515h6,7316,684
9Dickinson County, IAApril 23, 2022 17:00April 23, 2022 20:453h 45m6,73111K
10Johnson County, IAJanuary 12, 2022 17:15January 12, 2022 21:003h 45m6,5483,033
11Dallas County, IAJuly 23, 2022 11:00July 23, 2022 22:4511h 45m6,52323K
12Polk County, IAJuly 6, 2022 05:30July 7, 2022 07:151d 1h6,16230K
13Johnson County, IAJuly 1, 2022 10:45July 1, 2022 17:006h 15m5,7894,003
14Warren County, IAMarch 5, 2022 19:45March 8, 2022 16:302d 20h5,74633K
15Winneshiek County, IAJuly 24, 2022 04:30July 26, 2022 00:151d 19h5,71229K
16Polk County, IANovember 7, 2022 07:30November 7, 2022 13:155h 45m5,5755,196
17Johnson County, IADecember 14, 2022 15:30December 15, 2022 01:159h 45m5,4924,150
18Polk County, IAAugust 19, 2022 08:30August 19, 2022 10:452h 15m5,2711,320
19Polk County, IAAugust 7, 2022 23:30August 9, 2022 08:001d 8h5,25613K
20Polk County, IAJuly 5, 2022 11:45July 6, 2022 01:4514h4,8072,228
21Polk County, IAAugust 16, 2022 01:00August 16, 2022 02:451h 45m4,7842,506
22Story County, IAOctober 27, 2022 16:30October 27, 2022 17:301h4,7263,228
23Pottawattamie County, IAMarch 25, 2022 14:45March 25, 2022 17:302h 45m4,6612,149
24Johnson County, IAJune 28, 2022 13:00June 29, 2022 00:4511h 45m4,6453,079
25Dallas County, IAJune 13, 2022 12:00June 13, 2022 13:301h 30m4,4643,349
EAGLE-I tracked about 91% of Iowa's electricity customers in 2022; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.

Part of the 2022 US Power Outage Report.

Data from DOE EAGLE-I, every source we read.