2016 Iowa Power Outage Report

In 2016, the average Iowa customer went without power for about 1.8 hours, the 37th worst of 49 states (US average 3.8 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer

1.8

vs prior year

▲ 73%

vs 2015

Customer-hours out

3.0M

Peak customers out

38,534

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, 2016

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

CSV JSON

All 99 Iowa counties, 2016

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	Iowa County	9.6	67K	6,965	4,064	437
2	Humboldt County	8.5	30K	3,507	3,507	164
3	Adams County	8.4	16K	1,844	1,444	179
4	Woodbury County	8.1	208K	25,626	10,213	610
5	Wright County	7.8	43K	5,538	2,588	183
6	Webster County	6.7	137K	20,411	11,490	383
7	Calhoun County	6.5	27K	4,092	2,406	125
8	Monroe County	5.1	21K	4,056	2,829	334
9	Worth County	4.5	10K	2,289	969	201
10	Henry County	4.3	52K	11,923	2,303	416
11	Dickinson County	4.0	27K	6,731	3,770	218
12	Hardin County	4.0	27K	6,885	1,788	233
13	Louisa County	3.9	18K	4,554	1,884	160
14	Jefferson County	3.9	27K	6,879	4,479	203
15	Mills County	3.9	28K	7,270	2,514	368
16	Poweshiek County	3.7	25K	6,708	3,667	313
17	Scott County	3.6	247K	67,611	16,306	913
18	Marshall County	3.4	54K	15,945	11,052	401
19	Harrison County	3.4	26K	7,620	2,426	247
20	Plymouth County	3.2	28K	8,581	2,232	181
21	Grundy County	3.2	18K	5,507	1,056	130
22	Allamakee County	3.2	22K	6,750	3,957	160
23	Carroll County	3.0	26K	8,666	3,253	170
24	Howard County	2.9	12K	4,177	1,025	131
25	Butler County	2.9	14K	4,791	2,279	179
26	Palo Alto County	2.9	12K	4,166	2,260	136
27	Pocahontas County	2.8	8,988	3,159	721	113
28	Ida County	2.8	9,068	3,231	891	77
29	Fayette County	2.8	24K	8,712	2,816	154
30	Mahaska County	2.7	22K	8,162	2,706	296
31	Crawford County	2.7	24K	9,213	2,276	238
32	Keokuk County	2.6	12K	4,684	1,644	236
33	Jasper County	2.5	40K	15,566	4,494	348
34	Page County	2.5	23K	9,035	2,488	210
35	Audubon County	2.5	6,281	2,511	1,712	98
36	Tama County	2.5	20K	8,169	1,533	210
37	Benton County	2.3	32K	13,498	2,482	243
38	Kossuth County	2.3	18K	7,698	1,015	201
39	Jones County	2.3	20K	8,507	3,120	197
40	Washington County	2.3	22K	9,700	2,457	242
41	Montgomery County	2.2	13K	5,724	2,469	171
42	Clinton County	2.2	48K	21,505	3,543	221
43	Franklin County	2.1	9,878	4,637	954	189
44	Winneshiek County	2.1	20K	9,369	1,805	172
45	Black Hawk County	2.1	120K	57,533	32,746	683
46	Cherokee County	2.0	12K	5,968	2,379	150
47	Pottawattamie County	2.0	102K	51,132	7,075	851
48	Delaware County	2.0	14K	7,035	1,226	129
49	Des Moines County	2.0	36K	18,207	2,813	246
50	Appanoose County	1.9	12K	6,572	1,243	234
51	Ringgold County	1.9	4,707	2,511	384	89
52	Hancock County	1.9	10K	5,489	983	196
53	Greene County	1.9	6,365	3,417	2,058	182
54	Lyon County	1.8	9,303	5,090	1,132	41
55	Wayne County	1.8	5,336	2,947	597	126
56	Sac County	1.8	6,820	3,895	1,234	99
57	Dubuque County	1.5	72K	46,546	6,156	398
58	Cedar County	1.5	14K	8,986	1,836	137
59	Boone County	1.5	16K	10,670	1,325	281
60	Johnson County	1.5	114K	77,769	12,594	665
61	Clayton County	1.4	15K	10,421	976	152
62	Floyd County	1.4	11K	7,886	1,220	203
63	Fremont County	1.4	6,078	4,285	1,051	206
64	Lucas County	1.4	5,812	4,225	865	149
65	Mitchell County	1.4	8,724	6,347	1,802	95
66	Linn County	1.3	158K	118,247	8,006	895
67	Buchanan County	1.3	16K	12,254	1,498	185
68	Van Buren County	1.3	4,171	3,146	288	109
69	Lee County	1.3	20K	15,486	2,534	367
70	Monona County	1.2	8,734	7,388	702	55
71	Taylor County	1.2	3,474	2,951	344	117
72	Wapello County	1.1	25K	21,960	5,582	448
73	Cerro Gordo County	1.1	31K	29,435	2,992	438
74	Polk County	1.1	307K	287,095	17,783	901
75	Chickasaw County	1.0	7,223	6,991	643	106
76	Dallas County	1.0	60K	58,451	3,831	586
77	Guthrie County	1.0	5,262	5,390	852	71
78	O'Brien County	1.0	4,840	5,030	813	102
79	Warren County	0.9	22K	23,806	2,447	390
80	Winnebago County	0.9	6,308	7,213	446	72
81	Clarke County	0.8	3,545	4,290	1,065	154
82	Shelby County	0.7	5,362	7,164	401	83
83	Cass County	0.7	7,169	10,329	973	68
84	Sioux County	0.7	11K	16,993	2,069	143
85	Decatur County	0.6	2,164	3,356	360	102
86	Madison County	0.6	5,683	9,366	298	184
87	Emmet County	0.6	3,535	5,934	560	91
88	Buena Vista County	0.6	6,456	11,607	835	211
89	Bremer County	0.6	8,865	16,028	1,567	134
90	Hamilton County	0.6	5,090	9,205	1,123	126
91	Union County	0.4	2,737	6,645	994	162
92	Davis County	0.4	1,851	4,718	108	59
93	Marion County	0.3	6,812	19,876	1,053	299
94	Clay County	0.3	4,145	13,668	386	89
95	Osceola County	0.2	724	3,588	475	33
96	Story County	0.2	13K	63,396	1,134	278
97	Muscatine County	0.1	3,319	30,353	443	40
98	Adair County	0.1	304	3,686	130	26
99	Jackson County	0.0	201	10,302	76	5

Biggest Iowa outages of 2016

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	Black Hawk County, IA	September 22, 2016 06:00	September 23, 2016 01:00	19h	32,746	55K
2	Polk County, IA	August 21, 2016 05:00	August 21, 2016 10:00	5h	17,783	12K
3	Scott County, IA	October 7, 2016 03:45	October 8, 2016 17:45	1d 14h	16,306	90K
4	Johnson County, IA	October 11, 2016 14:15	October 11, 2016 20:15	6h	12,594	9,435
5	Webster County, IA	July 17, 2016 07:45	July 19, 2016 02:15	1d 18h	11,490	91K
6	Marshall County, IA	February 19, 2016 17:45	February 19, 2016 20:00	2h 15m	11,052	3,643
7	Johnson County, IA	June 28, 2016 12:45	June 28, 2016 15:15	2h 30m	10,235	4,195
8	Woodbury County, IA	June 17, 2016 20:30	June 20, 2016 04:00	2d 7h	10,213	140K
9	Polk County, IA	August 17, 2016 13:15	August 17, 2016 21:15	8h	9,582	2,425
10	Scott County, IA	August 29, 2016 09:30	August 29, 2016 15:15	5h 45m	8,342	5,251
11	Polk County, IA	June 30, 2016 12:45	June 30, 2016 20:00	7h 15m	8,015	8,015
12	Linn County, IA	July 11, 2016 03:15	July 11, 2016 14:15	11h	8,006	9,590
13	Webster County, IA	June 8, 2016 04:45	June 8, 2016 07:30	2h 45m	7,515	6,214
14	Polk County, IA	June 20, 2016 08:45	June 20, 2016 23:15	14h 30m	7,261	13K
15	Polk County, IA	December 18, 2016 00:45	December 18, 2016 05:30	4h 45m	7,155	1,825
16	Pottawattamie County, IA	March 7, 2016 21:00	March 8, 2016 02:15	5h 15m	7,075	11K
17	Johnson County, IA	July 6, 2016 07:45	July 7, 2016 04:00	20h 15m	6,879	24K
18	Polk County, IA	August 28, 2016 21:00	August 29, 2016 11:45	14h 45m	6,439	21K
19	Dubuque County, IA	June 24, 2016 12:15	June 24, 2016 15:45	3h 30m	6,156	3,633
20	Dubuque County, IA	July 18, 2016 17:15	July 18, 2016 18:45	1h 30m	6,142	3,072
21	Dubuque County, IA	August 4, 2016 23:45	August 8, 2016 16:15	3d 16h	5,961	22K
22	Scott County, IA	February 13, 2016 11:30	February 14, 2016 02:45	15h 15m	5,877	14K
23	Johnson County, IA	February 19, 2016 15:00	February 20, 2016 01:45	10h 45m	5,845	4,118
24	Polk County, IA	June 28, 2016 18:00	June 30, 2016 00:45	1d 6h	5,600	2,102
25	Wapello County, IA	August 19, 2016 11:30	August 19, 2016 14:00	2h 30m	5,582	6,921

EAGLE-I tracked about n/a of Iowa's electricity customers in 2016; 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 2023 2022 2021 2020 2019 2018 2017 2015

Other states in 2016:NC WV SC VA ME FL LA AR

Part of the 2016 US Power Outage Report.

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