2024 Illinois Power Outage Report
In 2024, the average Illinois customer went without power for about 3.0 hours, the 40th worst of 51 states (US average 11.2 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.
Avg hrs / customer
3.0
vs prior year
▼ 25%
vs 2023
Customer-hours out
17.9M
Peak customers out
391,133
across the state at once
EAGLE-I coverage
n/a
of IL customers
Counties reporting
102
Illinois year over year
All 102 Illinois counties, 2024
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 | Jo Daviess County | 35.0 | 127K | 3,617 | 3,091 | 379 |
| 2 | Marshall County | 31.7 | 250K | 7,906 | 5,527 | 351 |
| 3 | Putnam County | 21.6 | 54K | 2,501 | 1,209 | 200 |
| 4 | Stark County | 18.1 | 58K | 3,173 | 1,740 | 208 |
| 5 | Gallatin County | 15.6 | 38K | 2,453 | 2,065 | 201 |
| 6 | Stephenson County | 14.8 | 182K | 12,248 | 6,053 | 512 |
| 7 | Shelby County | 11.7 | 67K | 5,708 | 1,779 | 391 |
| 8 | Henderson County | 11.5 | 39K | 3,381 | 1,368 | 177 |
| 9 | Marion County | 11.1 | 170K | 15,234 | 8,513 | 715 |
| 10 | Johnson County | 10.7 | 70K | 6,500 | 1,873 | 243 |
| 11 | Mercer County | 10.0 | 89K | 8,972 | 2,741 | 461 |
| 12 | Carroll County | 9.9 | 73K | 7,336 | 2,728 | 279 |
| 13 | Calhoun County | 8.0 | 15K | 1,865 | 835 | 88 |
| 14 | Bond County | 8.0 | 46K | 5,736 | 1,314 | 404 |
| 15 | Clark County | 7.9 | 62K | 7,829 | 1,415 | 312 |
| 16 | Knox County | 7.8 | 203K | 25,998 | 6,423 | 696 |
| 17 | Henry County | 7.1 | 289K | 40,978 | 5,922 | 651 |
| 18 | Pope County | 6.9 | 13K | 1,842 | 1,130 | 202 |
| 19 | Saline County | 6.4 | 83K | 12,967 | 5,345 | 518 |
| 20 | Tazewell County | 6.2 | 504K | 80,878 | 12,113 | 707 |
| 21 | Warren County | 6.1 | 51K | 8,244 | 1,507 | 272 |
| 22 | Fayette County | 6.0 | 44K | 7,295 | 1,599 | 501 |
| 23 | Will County | 6.0 | 1.8M | 299,468 | 62,498 | 955 |
| 24 | Macoupin County | 5.4 | 83K | 15,453 | 2,776 | 605 |
| 25 | De Witt County | 5.4 | 36K | 6,665 | 1,403 | 377 |
| 26 | Iroquois County | 5.2 | 53K | 10,038 | 3,803 | 558 |
| 27 | Cumberland County | 5.2 | 26K | 4,929 | 2,140 | 208 |
| 28 | Lawrence County | 5.1 | 40K | 7,796 | 3,176 | 319 |
| 29 | Mason County | 5.0 | 24K | 4,847 | 974 | 223 |
| 30 | Rock Island County | 4.9 | 408K | 83,685 | 15,855 | 946 |
| 31 | Winnebago County | 4.9 | 586K | 120,789 | 17,055 | 1,057 |
| 32 | Logan County | 4.8 | 53K | 10,899 | 3,026 | 434 |
| 33 | Grundy County | 4.7 | 205K | 43,433 | 7,748 | 479 |
| 34 | Woodford County | 4.6 | 111K | 24,080 | 6,035 | 460 |
| 35 | Edgar County | 4.4 | 39K | 8,690 | 2,327 | 377 |
| 36 | Union County | 4.4 | 46K | 10,277 | 3,017 | 234 |
| 37 | Fulton County | 4.3 | 55K | 12,940 | 2,998 | 387 |
| 38 | Franklin County | 4.3 | 82K | 19,260 | 9,280 | 582 |
| 39 | Wayne County | 4.3 | 44K | 10,404 | 5,406 | 365 |
| 40 | Clinton County | 4.1 | 52K | 12,465 | 4,704 | 620 |
| 41 | Williamson County | 4.1 | 146K | 35,624 | 8,670 | 723 |
| 42 | Jackson County | 4.0 | 108K | 26,616 | 3,710 | 620 |
| 43 | Peoria County | 4.0 | 550K | 137,518 | 8,930 | 733 |
| 44 | Randolph County | 4.0 | 59K | 14,970 | 3,107 | 444 |
| 45 | Bureau County | 3.9 | 74K | 18,642 | 1,631 | 444 |
| 46 | Perry County | 3.6 | 43K | 11,975 | 2,484 | 460 |
| 47 | Ogle County | 3.5 | 149K | 42,029 | 6,513 | 460 |
| 48 | St. Clair County | 3.3 | 315K | 94,355 | 4,529 | 729 |
| 49 | Brown County | 3.3 | 9,863 | 3,007 | 1,823 | 74 |
| 50 | Jasper County | 3.2 | 15K | 4,528 | 1,221 | 259 |
| 51 | Washington County | 3.2 | 23K | 7,318 | 1,547 | 457 |
| 52 | Crawford County | 3.2 | 32K | 10,220 | 2,807 | 437 |
| 53 | Jefferson County | 3.2 | 71K | 22,670 | 4,728 | 650 |
| 54 | Ford County | 3.2 | 17K | 5,462 | 2,139 | 306 |
| 55 | Macon County | 3.1 | 141K | 45,051 | 4,622 | 888 |
| 56 | Montgomery County | 3.1 | 32K | 10,344 | 1,719 | 475 |
| 57 | Kankakee County | 3.1 | 265K | 85,550 | 12,862 | 829 |
| 58 | Pulaski County | 3.1 | 9,953 | 3,212 | 910 | 139 |
| 59 | Madison County | 3.0 | 329K | 107,855 | 9,744 | 826 |
| 60 | LaSalle County | 3.0 | 188K | 63,017 | 7,019 | 798 |
| 61 | McLean County | 3.0 | 243K | 81,860 | 8,016 | 771 |
| 62 | Edwards County | 2.8 | 11K | 4,061 | 1,482 | 182 |
| 63 | Jersey County | 2.8 | 21K | 7,718 | 659 | 381 |
| 64 | White County | 2.8 | 25K | 8,994 | 1,357 | 257 |
| 65 | Adams County | 2.7 | 87K | 31,760 | 5,025 | 639 |
| 66 | Cook County | 2.7 | 5.9M | 2,162,007 | 155,204 | 163 |
| 67 | Piatt County | 2.7 | 17K | 6,148 | 445 | 339 |
| 68 | Hardin County | 2.7 | 5,063 | 1,910 | 265 | 159 |
| 69 | Richland County | 2.6 | 23K | 9,109 | 1,033 | 325 |
| 70 | Champaign County | 2.6 | 230K | 90,035 | 9,622 | 868 |
| 71 | Hancock County | 2.4 | 22K | 9,010 | 2,349 | 266 |
| 72 | Alexander County | 2.4 | 6,859 | 2,842 | 502 | 53 |
| 73 | Effingham County | 2.4 | 36K | 14,830 | 3,030 | 446 |
| 74 | Hamilton County | 2.4 | 11K | 4,619 | 1,668 | 136 |
| 75 | Schuyler County | 2.3 | 6,566 | 2,847 | 1,610 | 65 |
| 76 | Pike County | 2.1 | 14K | 6,793 | 1,342 | 249 |
| 77 | Livingston County | 2.1 | 52K | 25,191 | 7,975 | 540 |
| 78 | Monroe County | 2.0 | 31K | 15,588 | 1,447 | 462 |
| 79 | Kane County | 2.0 | 255K | 127,850 | 8,090 | 1,109 |
| 80 | Christian County | 2.0 | 27K | 13,660 | 2,935 | 433 |
| 81 | DuPage County | 1.9 | 609K | 313,751 | 17,064 | 1,055 |
| 82 | Clay County | 1.8 | 16K | 9,085 | 1,378 | 111 |
| 83 | Scott County | 1.7 | 3,762 | 2,163 | 333 | 75 |
| 84 | McHenry County | 1.7 | 203K | 120,381 | 4,149 | 1,044 |
| 85 | Greene County | 1.6 | 8,491 | 5,200 | 1,939 | 156 |
| 86 | Douglas County | 1.6 | 14K | 8,333 | 1,267 | 306 |
| 87 | Lee County | 1.6 | 40K | 25,665 | 7,859 | 464 |
| 88 | DeKalb County | 1.5 | 119K | 79,682 | 3,832 | 710 |
| 89 | Cass County | 1.4 | 8,716 | 6,087 | 1,919 | 169 |
| 90 | Morgan County | 1.2 | 20K | 16,522 | 3,315 | 368 |
| 91 | Vermilion County | 1.2 | 54K | 46,373 | 1,464 | 842 |
| 92 | Menard County | 1.1 | 4,554 | 4,167 | 1,731 | 130 |
| 93 | Lake County | 1.1 | 630K | 581,008 | 23,670 | 1,137 |
| 94 | Boone County | 1.1 | 22K | 20,979 | 662 | 409 |
| 95 | Whiteside County | 1.1 | 47K | 44,026 | 1,562 | 517 |
| 96 | Sangamon County | 1.1 | 146K | 138,475 | 7,341 | 757 |
| 97 | McDonough County | 1.0 | 13K | 12,745 | 1,450 | 267 |
| 98 | Coles County | 0.9 | 21K | 24,455 | 5,172 | 419 |
| 99 | Kendall County | 0.5 | 48K | 92,751 | 2,066 | 591 |
| 100 | Moultrie County | 0.4 | 2,551 | 6,492 | 559 | 95 |
| 101 | Wabash County | 0.3 | 3,057 | 9,760 | 335 | 74 |
| 102 | Massac County | 0.3 | 2,452 | 8,175 | 700 | 63 |
Biggest Illinois outages of 2024
Up to 25 county outage episodes with the most customers out at once.
| # | County | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|---|
| 1 | Cook County, IL | July 5, 2024 03:15 | August 11, 2024 08:30 | 37d 5h | 155,204 | 3.8M |
| 2 | Cook County, IL | January 8, 2024 13:15 | January 17, 2024 06:00 | 8d 16h | 73,699 | 447K |
| 3 | Will County, IL | July 13, 2024 18:45 | July 22, 2024 00:30 | 8d 5h | 62,498 | 1.6M |
| 4 | Cook County, IL | January 29, 2024 12:30 | January 31, 2024 12:15 | 1d 23h | 46,457 | 35K |
| 5 | Cook County, IL | August 27, 2024 11:15 | September 2, 2024 06:15 | 5d 19h | 25,860 | 375K |
| 6 | Lake County, IL | August 27, 2024 23:30 | August 31, 2024 01:45 | 3d 2h | 23,670 | 234K |
| 7 | DuPage County, IL | July 14, 2024 04:45 | July 19, 2024 06:15 | 5d 1h | 17,064 | 252K |
| 8 | Winnebago County, IL | July 14, 2024 02:45 | July 20, 2024 08:30 | 6d 5h | 17,055 | 455K |
| 9 | Rock Island County, IL | July 15, 2024 22:15 | July 18, 2024 10:00 | 2d 11h | 15,855 | 186K |
| 10 | Kankakee County, IL | July 16, 2024 01:15 | July 20, 2024 19:30 | 4d 18h | 12,862 | 226K |
| 11 | Tazewell County, IL | July 13, 2024 20:45 | July 22, 2024 03:45 | 8d 7h | 12,113 | 290K |
| 12 | Lake County, IL | January 12, 2024 12:45 | January 15, 2024 10:15 | 2d 21h | 11,014 | 60K |
| 13 | Cook County, IL | May 12, 2024 16:45 | May 24, 2024 00:15 | 11d 7h | 10,917 | 120K |
| 14 | Cook County, IL | December 4, 2024 12:45 | December 13, 2024 03:45 | 8d 15h | 10,411 | 56K |
| 15 | Madison County, IL | March 14, 2024 12:45 | March 16, 2024 04:15 | 1d 15h | 9,744 | 38K |
| 16 | Champaign County, IL | July 16, 2024 03:00 | July 18, 2024 23:00 | 2d 20h | 9,622 | 74K |
| 17 | Madison County, IL | May 28, 2024 13:00 | May 29, 2024 04:30 | 15h 30m | 9,463 | 21K |
| 18 | Franklin County, IL | November 1, 2024 14:15 | November 1, 2024 19:15 | 5h | 9,280 | 13K |
| 19 | DuPage County, IL | January 12, 2024 08:00 | January 13, 2024 22:45 | 1d 14h | 9,201 | 51K |
| 20 | Lake County, IL | June 23, 2024 02:00 | June 24, 2024 10:15 | 1d 8h | 8,958 | 126K |
| 21 | Peoria County, IL | June 12, 2024 16:45 | June 18, 2024 02:30 | 5d 9h | 8,930 | 86K |
| 22 | Peoria County, IL | June 24, 2024 12:30 | June 27, 2024 08:00 | 2d 19h | 8,713 | 53K |
| 23 | Peoria County, IL | July 14, 2024 16:00 | July 19, 2024 13:15 | 4d 21h | 8,677 | 200K |
| 24 | Williamson County, IL | May 26, 2024 20:30 | May 29, 2024 03:00 | 2d 6h | 8,670 | 69K |
| 25 | Marion County, IL | May 26, 2024 22:00 | May 30, 2024 03:30 | 3d 5h | 8,513 | 89K |
EAGLE-I tracked about n/a of Illinois's electricity customers in 2024; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Part of the 2024 US Power Outage Report.
Data from DOE EAGLE-I, every source we read.