massoutage

2020 Wisconsin Power Outage Report

In 2020, the average Wisconsin customer went without power for about 1.8 hours, the 44th worst of 51 states (US average 8.0 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
1.8
vs prior year
▼ 59%
vs 2019
Customer-hours out
5.6M
Peak customers out
58,906
across the state at once
EAGLE-I coverage
84%
of WI customers
Counties reporting
72

Wisconsin year over year

Wisconsin: average hours without power per customer by year2015: 1.5h; 2016: 1.9h; 2017: 2.9h; 2018: 1.7h, coverage 83%; 2019: 4.4h, coverage 84%; 2020: 1.8h, coverage 84%; 2021: 4.7h, coverage 85%; 2022: 4.6h, coverage 85%; 2023: 3.4h; 2024: 4.6h; 2025: 3.8h02460%50%100%1.5h20151.9h20162.9h20171.7h20184.4h20191.8h20204.7h20214.6h20223.4h20234.6h20243.8h2025
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, 2020

Customer-hours without power across Wisconsin; June was the worst.

CSVJSON
Wisconsin customer-hours without power by month, 2020Jan 206K, Feb 127K, Mar 190K, Apr 339K, May 402K, Jun 1.1M, Jul 909K, Aug 910K, Sep 339K, Oct 280K, Nov 591K, Dec 129K0500k1M1.5M206KJan127KFeb190KMar339KApr402KMay1.1MJun909KJul910KAug339KSep280KOct591KNov129KDec
Use the arrow keys to read values.

All 72 Wisconsin counties, 2020

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Vilas County15.6145K9,2849,284595
2Florence County7.923K2,8422,842140
3Forest County7.950K6,3406,340235
4Iron County5.812K2,123837175
5Oconto County5.5146K26,7616,028318
6Oneida County4.8106K22,2584,040548
7Walworth County4.7216K45,6497,530730
8Grant County4.735K7,4284,608341
9Sheboygan County4.5116K25,5467,101545
10Bayfield County4.529K6,4733,398151
11Washington County4.4153K34,3034,802516
12Menominee County4.318K4,2602,260236
13Sawyer County3.748K13,0242,003298
14Waukesha County3.6513K143,17711,004778
15Racine County3.5406K115,01518,587669
16Iowa County3.532K9,0675,293484
17Marinette County3.191K29,8994,310605
18Ashland County2.919K6,3451,161255
19Vernon County2.937K12,8132,056133
20Ozaukee County2.896K34,4223,361360
21Lincoln County2.742K15,7973,029295
22Polk County2.376K33,3613,443576
23Green County2.230K13,2902,905555
24Columbia County2.1115K53,7628,271649
25Kenosha County2.1224K105,1408,110616
26Dodge County2.163K29,7572,926653
27La Crosse County2.177K37,4109,904484
28Langlade County2.028K14,0622,849249
29Waupaca County1.945K23,6192,637482
30Jefferson County1.863K34,5125,926461
31Portage County1.849K27,1743,877527
32Marathon County1.8144K80,59811,369699
33Washburn County1.715K8,409700130
34St. Croix County1.754K31,5506,590386
35Waushara County1.735K21,071942612
36Pepin County1.66,4223,9181,076111
37Milwaukee County1.6974K594,64112,3761,067
38Winnebago County1.6119K74,5737,682536
39Adams County1.532K20,7871,747525
40Monroe County1.528K18,0291,548334
41Rock County1.584K56,4013,542912
42Dunn County1.537K24,8883,039292
43Barron County1.442K29,2313,045253
44Outagamie County1.485K58,5085,133537
45Burnett County1.312K9,4095,604271
46Douglas County1.338K29,0881,973350
47Green Lake County1.220K16,4992,443407
48Lafayette County1.24,8994,085921256
49Shawano County1.237K31,4186,271385
50Calumet County1.120K17,94117,941216
51Marquette County1.19,7398,847780358
52Door County1.027K26,5341,280353
53Clark County1.016K15,9961,153212
54Crawford County1.05,5975,6371,160139
55Chippewa County1.031K31,5382,418345
56Brown County0.9190K201,74312,738693
57Fond du Lac County0.984K89,7273,607708
58Kewaunee County0.913K14,3711,509157
59Sauk County0.851K60,9552,934660
60Richland County0.86,6978,020556141
61Eau Claire County0.845K55,3922,436424
62Rusk County0.77,65510,344810122
63Pierce County0.711K16,7864,070214
64Juneau County0.68,92415,444602333
65Buffalo County0.63,2955,936758106
66Trempealeau County0.57,70814,8101,448115
67Manitowoc County0.524K47,88227,135316
68Dane County0.4119K295,5163,389991
69Taylor County0.33,87912,55877558
70Price County0.32,96710,185305119
71Wood County0.312K46,818854467
72Jackson County0.188814,99115943

Biggest Wisconsin outages of 2020

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Manitowoc County, WIMay 8, 2020 19:00May 8, 2020 19:1515m27,1356,784
2Racine County, WIJune 19, 2020 16:00June 19, 2020 17:151h 15m18,5874,648
3Calumet County, WIMay 8, 2020 19:00May 8, 2020 19:1515m17,9414,485
4Racine County, WIAugust 10, 2020 19:15August 13, 2020 01:002d 5h14,758147K
5Brown County, WIMarch 10, 2020 00:30March 10, 2020 11:4511h 15m12,73843K
6Milwaukee County, WINovember 10, 2020 14:15November 12, 2020 04:151d 14h12,37681K
7Marathon County, WIJune 19, 2020 22:30June 20, 2020 00:302h11,36914K
8Waukesha County, WIAugust 9, 2020 16:15August 11, 2020 08:451d 16h11,00440K
9Milwaukee County, WIJuly 7, 2020 12:30July 9, 2020 09:301d 21h10,56957K
10Brown County, WIMay 8, 2020 19:00May 8, 2020 19:1515m10,3682,592
11La Crosse County, WIJune 2, 2020 22:15June 4, 2020 03:151d 5h9,90427K
12Waukesha County, WINovember 10, 2020 17:45November 11, 2020 23:001d 5h9,72755K
13Vilas County, WIJune 10, 2020 02:30June 10, 2020 18:3016h9,28413K
14Waukesha County, WIJanuary 25, 2020 12:30January 26, 2020 01:4513h 15m9,14833K
15Milwaukee County, WIApril 1, 2020 06:45April 1, 2020 07:0015m8,9642,241
16Milwaukee County, WIApril 20, 2020 19:45April 22, 2020 00:451d 5h8,96429K
17Milwaukee County, WIAugust 25, 2020 08:30August 26, 2020 10:451d 2h8,94854K
18Milwaukee County, WISeptember 6, 2020 11:45September 7, 2020 05:4518h8,94235K
19Milwaukee County, WIFebruary 28, 2020 18:30February 28, 2020 18:4515m8,8112,203
20Milwaukee County, WIJune 20, 2020 11:30June 21, 2020 19:151d 7h8,58245K
21Columbia County, WIJune 3, 2020 00:45June 4, 2020 22:451d 22h8,27171K
22Milwaukee County, WIJuly 9, 2020 11:15July 11, 2020 07:301d 20h8,14346K
23Kenosha County, WIAugust 10, 2020 21:00August 13, 2020 01:152d 4h8,11073K
24Marathon County, WIJuly 18, 2020 10:45July 18, 2020 22:0011h 15m7,68928K
25Winnebago County, WIMay 26, 2020 17:00May 27, 2020 00:457h 45m7,68213K
EAGLE-I tracked about 84% of Wisconsin's electricity customers in 2020; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Other states in 2020:LAMEOKIAALMSNJNC

Part of the 2020 US Power Outage Report.

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