2023 Iowa Power Outage Report

In 2023, the average Iowa customer went without power for about 2.0 hours, the 47th worst of 51 states (US average 6.7 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer

2.0

vs prior year

▲ 24%

vs 2022

Customer-hours out

3.2M

Peak customers out

47,462

across the state at once

EAGLE-I coverage

n/a

of IA customers

Counties reporting

Iowa year over year

Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Month by month, 2023

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

CSV JSON

All 99 Iowa counties, 2023

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

CSV JSON

#	County	Hrs / customer	Customer-hours	Customers	Peak out	Events
1	Monroe County	16.8	68K	4,056	866	301
2	Lee County	12.7	197K	15,486	14,325	538
3	Delaware County	10.1	71K	7,035	7,035	290
4	Keokuk County	9.6	45K	4,684	2,004	368
5	Van Buren County	9.4	30K	3,146	1,638	178
6	Wayne County	7.4	22K	2,947	486	203
7	Appanoose County	7.4	49K	6,572	5,301	377
8	Fayette County	6.0	53K	8,712	905	400
9	Cedar County	5.4	49K	8,986	3,739	370
10	Jefferson County	5.4	37K	6,879	3,583	341
11	Butler County	5.3	25K	4,791	832	267
12	Des Moines County	5.1	92K	18,207	4,732	505
13	Louisa County	5.0	23K	4,554	1,366	360
14	Buchanan County	4.6	56K	12,254	1,490	325
15	Adams County	4.4	8,174	1,844	483	176
16	Jackson County	4.1	42K	10,302	2,111	259
17	Franklin County	4.0	19K	4,637	691	259
18	Ringgold County	4.0	9,988	2,511	1,553	228
19	Grundy County	3.6	20K	5,507	1,671	178
20	Iowa County	3.4	24K	6,965	2,074	384
21	Washington County	3.2	31K	9,700	2,001	432
22	Hancock County	3.2	17K	5,489	3,371	346
23	Jones County	3.1	27K	8,507	1,809	334
24	Greene County	3.0	10K	3,417	2,638	237
25	Clinton County	3.0	65K	21,505	4,585	631
26	Linn County	2.9	349K	118,247	30,010	823
27	Wapello County	2.8	62K	21,960	5,742	579
28	Dickinson County	2.7	18K	6,731	2,373	314
29	Jasper County	2.7	42K	15,566	3,310	485
30	Fremont County	2.7	12K	4,285	1,395	197
31	Pocahontas County	2.7	8,483	3,159	586	133
32	Worth County	2.6	6,058	2,289	1,072	239
33	Johnson County	2.6	204K	77,769	12,293	686
34	Tama County	2.6	21K	8,169	799	258
35	Page County	2.5	23K	9,035	2,362	267
36	Allamakee County	2.4	16K	6,750	2,556	214
37	Taylor County	2.2	6,491	2,951	609	216
38	Henry County	2.2	26K	11,923	1,147	323
39	Davis County	2.1	9,950	4,718	437	137
40	O'Brien County	2.1	10K	5,030	788	161
41	Scott County	2.1	141K	67,611	7,952	893
42	Poweshiek County	2.1	14K	6,708	1,227	377
43	Pottawattamie County	2.0	104K	51,132	8,116	778
44	Montgomery County	2.0	11K	5,724	4,524	216
45	Howard County	2.0	8,208	4,177	670	303
46	Benton County	2.0	27K	13,498	998	413
47	Floyd County	1.9	15K	7,886	1,172	270
48	Audubon County	1.8	4,494	2,511	821	170
49	Dubuque County	1.7	81K	46,546	4,721	583
50	Boone County	1.7	18K	10,670	3,414	439
51	Clarke County	1.7	7,082	4,290	611	197
52	Mitchell County	1.6	9,892	6,347	440	249
53	Marshall County	1.5	24K	15,945	1,620	439
54	Union County	1.5	9,912	6,645	726	311
55	Mills County	1.5	11K	7,270	1,968	335
56	Clayton County	1.5	15K	10,421	1,542	189
57	Woodbury County	1.4	36K	25,626	2,227	703
58	Calhoun County	1.4	5,675	4,092	1,258	161
59	Shelby County	1.4	9,824	7,164	1,540	242
60	Wright County	1.4	7,586	5,538	1,421	289
61	Palo Alto County	1.3	5,547	4,166	1,103	139
62	Hamilton County	1.3	12K	9,205	822	292
63	Monona County	1.3	9,567	7,388	262	92
64	Lucas County	1.3	5,400	4,225	564	257
65	Madison County	1.3	12K	9,366	1,443	287
66	Cerro Gordo County	1.3	37K	29,435	7,186	530
67	Decatur County	1.2	4,192	3,356	653	177
68	Marion County	1.2	25K	19,876	2,481	317
69	Story County	1.2	77K	63,396	6,111	500
70	Cass County	1.2	12K	10,329	1,057	213
71	Hardin County	1.2	7,929	6,885	2,846	232
72	Humboldt County	1.1	3,804	3,507	960	212
73	Ida County	1.1	3,500	3,231	686	89
74	Harrison County	1.1	8,251	7,620	1,002	229
75	Mahaska County	1.1	8,775	8,162	1,276	324
76	Muscatine County	1.0	31K	30,353	902	410
77	Winnebago County	1.0	7,086	7,213	330	263
78	Kossuth County	1.0	7,377	7,698	896	171
79	Polk County	0.9	257K	287,095	5,675	908
80	Cherokee County	0.9	5,257	5,968	211	164
81	Plymouth County	0.9	7,504	8,581	513	257
82	Buena Vista County	0.9	10K	11,607	1,905	208
83	Winneshiek County	0.9	8,053	9,369	1,328	499
84	Adair County	0.9	3,168	3,686	221	223
85	Sac County	0.8	3,144	3,895	492	93
86	Warren County	0.8	19K	23,806	2,730	459
87	Bremer County	0.8	13K	16,028	840	288
88	Lyon County	0.8	3,859	5,090	734	80
89	Guthrie County	0.7	3,982	5,390	854	224
90	Webster County	0.7	14K	20,411	933	442
91	Black Hawk County	0.7	41K	57,533	1,834	774
92	Chickasaw County	0.7	4,908	6,991	167	313
93	Crawford County	0.7	6,445	9,213	490	95
94	Dallas County	0.7	40K	58,451	3,388	632
95	Sioux County	0.6	9,737	16,993	768	186
96	Clay County	0.4	4,823	13,668	433	152
97	Carroll County	0.4	3,054	8,666	401	170
98	Osceola County	0.3	950	3,588	170	49
99	Emmet County	0.2	1,347	5,934	260	103

Biggest Iowa outages of 2023

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

CSV JSON

#	County	Started (UTC)	Ended (UTC)	Duration	Peak out	Customer-hours
1	Linn County, IA	July 28, 2023 19:00	August 1, 2023 02:15	3d 7h	30,010	184K
2	Lee County, IA	June 29, 2023 13:15	June 30, 2023 01:00	11h 45m	14,325	58K
3	Johnson County, IA	March 31, 2023 22:00	April 2, 2023 12:45	1d 14h	12,293	39K
4	Linn County, IA	March 31, 2023 22:30	April 2, 2023 02:15	1d 3h	8,162	30K
5	Pottawattamie County, IA	July 12, 2023 11:30	July 13, 2023 19:15	1d 7h	8,116	36K
6	Scott County, IA	March 25, 2023 07:30	March 26, 2023 16:45	1d 9h	7,952	37K
7	Cerro Gordo County, IA	August 14, 2023 20:00	August 18, 2023 19:00	3d 23h	7,186	10K
8	Delaware County, IA	March 31, 2023 22:45	April 2, 2023 17:30	1d 18h	7,035	37K
9	Johnson County, IA	May 6, 2023 05:45	May 9, 2023 16:45	3d 11h	6,587	35K
10	Johnson County, IA	November 2, 2023 13:15	November 2, 2023 21:00	7h 45m	6,302	4,691
11	Story County, IA	October 27, 2023 18:45	October 28, 2023 00:00	5h 15m	6,111	29K
12	Story County, IA	October 30, 2023 13:45	October 30, 2023 19:15	5h 30m	5,754	6,346
13	Wapello County, IA	June 29, 2023 14:45	June 30, 2023 00:30	9h 45m	5,742	13K
14	Polk County, IA	September 28, 2023 10:15	September 28, 2023 23:15	13h	5,675	4,907
15	Pottawattamie County, IA	March 27, 2023 18:00	March 27, 2023 20:45	2h 45m	5,598	4,505
16	Appanoose County, IA	June 29, 2023 14:15	June 30, 2023 01:30	11h 15m	5,301	25K
17	Johnson County, IA	August 12, 2023 23:30	August 13, 2023 01:15	1h 45m	5,210	1,304
18	Polk County, IA	July 26, 2023 13:45	July 27, 2023 04:00	14h 15m	4,794	6,061
19	Des Moines County, IA	March 31, 2023 22:45	April 3, 2023 00:00	2d 1h	4,732	24K
20	Dubuque County, IA	March 31, 2023 22:45	April 2, 2023 12:45	1d 14h	4,721	16K
21	Polk County, IA	August 17, 2023 12:15	August 18, 2023 05:15	17h	4,699	4,214
22	Polk County, IA	November 17, 2023 14:00	November 17, 2023 21:00	7h	4,686	3,110
23	Polk County, IA	August 30, 2023 17:00	August 31, 2023 00:15	7h 15m	4,663	5,513
24	Polk County, IA	August 5, 2023 23:45	August 6, 2023 22:15	22h 30m	4,628	7,750
25	Polk County, IA	August 4, 2023 07:45	August 4, 2023 19:15	11h 30m	4,627	7,568

EAGLE-I tracked about n/a of Iowa's electricity customers in 2023; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.

Iowa by year:2025 2024 2022 2021 2020 2019 2018 2017 2016 2015

Other states in 2023:ME MI KY OK AR WV LA MS

Part of the 2023 US Power Outage Report.

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