2021 Wisconsin Power Outage Report
In 2021, the average Wisconsin customer went without power for about 4.7 hours, the 21st worst of 51 states (US average 8.4 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.
Avg hrs / customer
4.7
vs prior year
▲ 160%
vs 2020
Customer-hours out
14.5M
Peak customers out
174,130
across the state at once
EAGLE-I coverage
85%
of WI customers
Counties reporting
72
Wisconsin year over year
All 72 Wisconsin counties, 2021
Ranked by average hours without power per customer. Each county links to its annual report.
| # | County | Hrs / customer | Customer-hours | Customers | Peak out | Events |
|---|---|---|---|---|---|---|
| 1 | Vilas County | 87.9 | 816K | 9,284 | 9,284 | 519 |
| 2 | Lincoln County | 38.7 | 612K | 15,797 | 9,752 | 317 |
| 3 | Oneida County | 32.9 | 732K | 22,258 | 16,909 | 541 |
| 4 | Forest County | 27.4 | 174K | 6,340 | 2,924 | 171 |
| 5 | Iron County | 18.2 | 39K | 2,123 | 2,123 | 132 |
| 6 | Florence County | 13.5 | 38K | 2,842 | 1,167 | 95 |
| 7 | Menominee County | 13.3 | 57K | 4,260 | 2,563 | 160 |
| 8 | Waukesha County | 12.9 | 1.9M | 143,177 | 45,425 | 745 |
| 9 | Langlade County | 11.6 | 162K | 14,062 | 4,815 | 204 |
| 10 | Marinette County | 11.2 | 336K | 29,899 | 6,376 | 523 |
| 11 | Washington County | 9.5 | 326K | 34,303 | 10,326 | 523 |
| 12 | Oconto County | 7.4 | 199K | 26,761 | 5,770 | 312 |
| 13 | Ozaukee County | 7.1 | 244K | 34,422 | 5,880 | 333 |
| 14 | St. Croix County | 7.0 | 222K | 31,550 | 13,380 | 407 |
| 15 | Milwaukee County | 6.6 | 3.9M | 594,641 | 64,397 | 961 |
| 16 | Jefferson County | 5.7 | 198K | 34,512 | 6,941 | 432 |
| 17 | Marathon County | 5.5 | 444K | 80,598 | 11,577 | 688 |
| 18 | Clark County | 5.3 | 84K | 15,996 | 4,358 | 179 |
| 19 | Door County | 4.7 | 126K | 26,534 | 8,573 | 346 |
| 20 | Portage County | 4.7 | 128K | 27,174 | 4,953 | 460 |
| 21 | Green Lake County | 4.6 | 76K | 16,499 | 6,350 | 410 |
| 22 | Kenosha County | 4.6 | 484K | 105,140 | 10,823 | 645 |
| 23 | Marquette County | 4.5 | 40K | 8,847 | 2,055 | 352 |
| 24 | Buffalo County | 4.3 | 25K | 5,936 | 1,520 | 278 |
| 25 | Walworth County | 4.2 | 191K | 45,649 | 7,818 | 747 |
| 26 | Waupaca County | 3.9 | 93K | 23,619 | 4,084 | 407 |
| 27 | Iowa County | 3.8 | 35K | 9,067 | 3,809 | 548 |
| 28 | Sheboygan County | 3.6 | 93K | 25,546 | 5,598 | 604 |
| 29 | Chippewa County | 3.6 | 113K | 31,538 | 4,789 | 410 |
| 30 | Pepin County | 3.4 | 13K | 3,918 | 1,728 | 123 |
| 31 | Trempealeau County | 3.4 | 50K | 14,810 | 2,900 | 322 |
| 32 | Waushara County | 3.3 | 70K | 21,071 | 5,747 | 552 |
| 33 | La Crosse County | 3.3 | 125K | 37,410 | 6,146 | 558 |
| 34 | Rusk County | 3.2 | 33K | 10,344 | 1,186 | 135 |
| 35 | Racine County | 2.9 | 329K | 115,015 | 6,945 | 748 |
| 36 | Outagamie County | 2.9 | 167K | 58,508 | 9,995 | 621 |
| 37 | Sawyer County | 2.7 | 36K | 13,024 | 2,096 | 246 |
| 38 | Crawford County | 2.6 | 15K | 5,637 | 2,710 | 181 |
| 39 | Lafayette County | 2.3 | 9,558 | 4,085 | 1,325 | 252 |
| 40 | Bayfield County | 2.3 | 15K | 6,473 | 752 | 188 |
| 41 | Wood County | 2.2 | 101K | 46,818 | 5,616 | 521 |
| 42 | Dodge County | 2.1 | 64K | 29,757 | 2,694 | 660 |
| 43 | Shawano County | 2.1 | 66K | 31,418 | 4,134 | 369 |
| 44 | Fond du Lac County | 2.0 | 178K | 89,727 | 7,238 | 704 |
| 45 | Grant County | 2.0 | 15K | 7,428 | 1,873 | 285 |
| 46 | Ashland County | 1.9 | 12K | 6,345 | 1,142 | 178 |
| 47 | Adams County | 1.8 | 38K | 20,787 | 1,525 | 490 |
| 48 | Green County | 1.8 | 24K | 13,290 | 1,480 | 474 |
| 49 | Eau Claire County | 1.8 | 99K | 55,392 | 8,654 | 465 |
| 50 | Winnebago County | 1.8 | 132K | 74,573 | 4,582 | 596 |
| 51 | Taylor County | 1.8 | 22K | 12,558 | 1,532 | 60 |
| 52 | Calumet County | 1.7 | 30K | 17,941 | 4,341 | 218 |
| 53 | Kewaunee County | 1.6 | 23K | 14,371 | 963 | 172 |
| 54 | Monroe County | 1.6 | 28K | 18,029 | 2,667 | 351 |
| 55 | Rock County | 1.6 | 88K | 56,401 | 3,101 | 936 |
| 56 | Brown County | 1.5 | 310K | 201,743 | 8,796 | 737 |
| 57 | Pierce County | 1.5 | 24K | 16,786 | 1,447 | 173 |
| 58 | Polk County | 1.3 | 43K | 33,361 | 2,567 | 516 |
| 59 | Price County | 1.3 | 13K | 10,185 | 1,200 | 127 |
| 60 | Washburn County | 1.3 | 11K | 8,409 | 731 | 128 |
| 61 | Sauk County | 1.0 | 61K | 60,955 | 4,551 | 636 |
| 62 | Barron County | 1.0 | 29K | 29,231 | 1,763 | 262 |
| 63 | Burnett County | 1.0 | 9,053 | 9,409 | 2,072 | 285 |
| 64 | Vernon County | 0.8 | 11K | 12,813 | 797 | 183 |
| 65 | Dunn County | 0.8 | 20K | 24,888 | 2,653 | 283 |
| 66 | Juneau County | 0.8 | 12K | 15,444 | 821 | 330 |
| 67 | Columbia County | 0.7 | 38K | 53,762 | 1,875 | 652 |
| 68 | Manitowoc County | 0.7 | 32K | 47,882 | 1,501 | 323 |
| 69 | Dane County | 0.7 | 199K | 295,516 | 11,430 | 1,056 |
| 70 | Douglas County | 0.6 | 18K | 29,088 | 1,406 | 498 |
| 71 | Richland County | 0.6 | 4,670 | 8,020 | 270 | 130 |
| 72 | Jackson County | 0.2 | 3,720 | 14,991 | 278 | 57 |
Biggest Wisconsin outages of 2021
Up to 25 county outage episodes with the most customers out at once.
| # | County | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|---|
| 1 | Milwaukee County, WI | August 10, 2021 12:00 | August 11, 2021 12:45 | 1d | 64,397 | 553K |
| 2 | Milwaukee County, WI | August 11, 2021 15:30 | August 11, 2021 17:15 | 1h 45m | 63,517 | 95K |
| 3 | Milwaukee County, WI | August 11, 2021 18:15 | August 18, 2021 08:15 | 6d 14h | 62,447 | 1.8M |
| 4 | Milwaukee County, WI | August 11, 2021 13:30 | August 11, 2021 14:45 | 1h 15m | 61,356 | 76K |
| 5 | Waukesha County, WI | August 11, 2021 00:00 | August 11, 2021 12:45 | 12h 45m | 45,425 | 320K |
| 6 | Milwaukee County, WI | December 15, 2021 14:30 | December 20, 2021 01:00 | 4d 10h | 31,980 | 476K |
| 7 | Waukesha County, WI | August 11, 2021 13:30 | August 11, 2021 14:45 | 1h 15m | 29,851 | 35K |
| 8 | Waukesha County, WI | August 11, 2021 18:15 | August 17, 2021 03:00 | 5d 8h | 29,256 | 630K |
| 9 | Waukesha County, WI | August 11, 2021 15:30 | August 11, 2021 17:15 | 1h 45m | 25,987 | 38K |
| 10 | Milwaukee County, WI | August 6, 2021 15:15 | August 10, 2021 10:45 | 3d 19h | 18,943 | 164K |
| 11 | Waukesha County, WI | December 15, 2021 23:30 | December 19, 2021 18:15 | 3d 18h | 18,027 | 296K |
| 12 | Oneida County, WI | December 16, 2021 04:45 | December 19, 2021 23:00 | 3d 18h | 16,909 | 367K |
| 13 | Waukesha County, WI | July 29, 2021 06:00 | July 31, 2021 02:15 | 1d 20h | 15,378 | 170K |
| 14 | Oneida County, WI | July 27, 2021 01:30 | July 27, 2021 10:30 | 9h | 13,688 | 58K |
| 15 | St. Croix County, WI | September 17, 2021 08:45 | September 20, 2021 00:15 | 2d 15h | 13,380 | 154K |
| 16 | Marathon County, WI | July 28, 2021 19:45 | July 31, 2021 03:00 | 2d 7h | 11,577 | 177K |
| 17 | Marathon County, WI | May 25, 2021 23:30 | May 27, 2021 02:30 | 1d 3h | 11,541 | 29K |
| 18 | Dane County, WI | May 1, 2021 03:00 | May 1, 2021 06:45 | 3h 45m | 11,430 | 17K |
| 19 | Kenosha County, WI | August 11, 2021 00:30 | August 14, 2021 22:30 | 3d 22h | 10,823 | 244K |
| 20 | Washington County, WI | August 10, 2021 16:45 | August 11, 2021 12:45 | 20h | 10,326 | 61K |
| 21 | Milwaukee County, WI | February 2, 2021 18:00 | February 3, 2021 05:30 | 11h 30m | 10,087 | 28K |
| 22 | Outagamie County, WI | September 10, 2021 10:15 | September 10, 2021 13:15 | 3h | 9,995 | 22K |
| 23 | Lincoln County, WI | July 27, 2021 14:00 | July 31, 2021 15:00 | 4d 1h | 9,752 | 299K |
| 24 | Milwaukee County, WI | October 24, 2021 19:15 | October 26, 2021 09:00 | 1d 13h | 9,419 | 70K |
| 25 | Vilas County, WI | July 27, 2021 03:00 | July 31, 2021 05:15 | 4d 2h | 9,284 | 413K |
EAGLE-I tracked about 85% of Wisconsin's electricity customers in 2021; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Part of the 2021 US Power Outage Report.
Data from DOE EAGLE-I, every source we read.