massoutage

2016 Illinois Power Outage Report

In 2016, the average Illinois customer went without power for about 1.5 hours, the 41st worst of 49 states (US average 3.8 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
1.5
vs prior year
▼ 35%
vs 2015
Customer-hours out
8.7M
Peak customers out
116,134
across the state at once
EAGLE-I coverage
n/a
of IL customers
Counties reporting
100

Illinois year over year

Illinois: average hours without power per customer by year2015: 2.3h; 2016: 1.5h; 2017: 1.4h; 2018: 2.5h, coverage 92%; 2019: 1.8h, coverage 99%; 2020: 5.9h, coverage 94%; 2021: 2.3h, coverage 98%; 2022: 1.6h, coverage 98%; 2023: 4.0h; 2024: 3.0h; 2025: 2.5h02460%50%100%2.3h20151.5h20161.4h20172.5h20181.8h20195.9h20202.3h20211.6h20224.0h20233.0h20242.5h2025
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, 2016

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

CSVJSON
Illinois customer-hours without power by month, 2016Jan 399K, Feb 2.0M, Mar 656K, Apr 676K, May 850K, Jun 900K, Jul 2.2M, Aug 320K, Sep 250K, Oct 215K, Nov 175K, Dec 168K01M2M3M399KJan2.0MFeb656KMar676KApr850KMay900KJun2.2MJul320KAug250KSep215KOct175KNov168KDec
Use the arrow keys to read values.

All 100 Illinois counties, 2016

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1St. Clair County14.11.3M94,35540,861676
2Douglas County9.478K8,3337,847263
3Stark County7.925K3,1732,960262
4Henderson County7.024K3,3811,909238
5Monroe County6.8107K15,5886,847190
6Logan County6.672K10,8998,858475
7Warren County6.554K8,2443,580265
8Marion County6.295K15,2344,582535
9Randolph County6.191K14,9703,022421
10Clinton County5.669K12,4657,166264
11Piatt County5.333K6,1485,103271
12Mason County5.125K4,8472,621246
13Putnam County4.912K2,5012,355156
14Washington County4.835K7,3181,347274
15Perry County4.756K11,9752,806345
16Madison County4.6495K107,85519,695748
17Jo Daviess County4.516K3,6171,71051
18Calhoun County4.38,1021,8651,37389
19Fayette County4.130K7,2951,606261
20Marshall County4.132K7,9062,558303
21Knox County4.0105K25,99810,484552
22Lawrence County3.729K7,7962,075200
23Jefferson County3.785K22,6703,501436
24Jasper County3.717K4,52834261
25Rock Island County3.7311K83,68510,319910
26Montgomery County3.637K10,3442,218363
27Mercer County3.532K8,9721,622358
28Shelby County3.520K5,7083,017161
29Iroquois County3.434K10,0384,158419
30Coles County3.380K24,4558,551346
31Macoupin County3.046K15,4533,541473
32Macon County2.9133K45,0514,142846
33Franklin County2.955K19,2604,327485
34Bond County2.816K5,7361,379211
35Scott County2.75,9252,1631,68852
36Greene County2.614K5,2002,452176
37Menard County2.611K4,1672,351146
38Gallatin County2.66,3012,4532,416156
39Brown County2.67,6993,0071,891113
40Alexander County2.57,1942,84266348
41De Witt County2.416K6,665970259
42Vermilion County2.4112K46,3737,527703
43Christian County2.433K13,6604,112325
44Livingston County2.358K25,1916,104242
45Jersey County2.317K7,7181,836272
46Stephenson County2.226K12,2484,628197
47Cumberland County2.111K4,92983154
48Fulton County2.127K12,9402,215419
49Adams County2.065K31,7606,703580
50LaSalle County2.0124K63,0174,183637
51Johnson County1.913K6,5001,283114
52Richland County1.918K9,1091,041236
53Ford County1.910K5,4621,348200
54Pike County1.812K6,7931,345216
55Jackson County1.847K26,6163,004569
56Tazewell County1.7140K80,8783,159757
57Woodford County1.740K24,0802,800345
58Peoria County1.6223K137,5186,883802
59Bureau County1.630K18,6421,568343
60Morgan County1.525K16,5222,014437
61Williamson County1.553K35,6245,019611
62Crawford County1.415K10,2201,156223
63Pulaski County1.44,5293,212466105
64Champaign County1.4126K90,0353,612831
65Kankakee County1.4116K85,5507,676356
66Cass County1.37,9626,0871,930193
67Hamilton County1.25,7174,61929021
68Saline County1.215K12,9671,513345
69McLean County1.191K81,8604,114764
70Cook County1.12.3M2,162,00795,661111
71Edgar County1.08,9358,690805173
72Clark County1.08,0017,82968761
73DuPage County1.0308K313,7517,833350
74Moultrie County1.06,2266,49284763
75Effingham County0.914K14,8301,448288
76Hancock County0.98,0029,010839287
77Lee County0.922K25,6652,736210
78Edwards County0.73,0184,061530158
79Sangamon County0.7103K138,4754,768528
80White County0.76,5078,9941,639198
81Henry County0.730K40,9781,849366
82Ogle County0.626K42,0292,180181
83Union County0.65,81510,277598186
84Winnebago County0.668K120,7893,946452
85Kane County0.564K127,8502,970463
86McDonough County0.56,28612,7451,841238
87Will County0.5147K299,4683,782384
88McHenry County0.557K120,3812,911416
89DeKalb County0.435K79,6827,097299
90Massac County0.43,4718,17567068
91Boone County0.48,18520,9791,318147
92Grundy County0.417K43,4331,141214
93Clay County0.43,4569,085395134
94Wabash County0.33,3359,76029656
95Whiteside County0.315K44,0261,232211
96Lake County0.3161K581,0085,992418
97Kendall County0.325K92,7511,482271
98Schuyler County0.37462,8477586
99Carroll County0.31,8927,33617646
100Wayne County0.047410,40424127

Biggest Illinois outages of 2016

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Cook County, ILFebruary 19, 2016 10:30February 22, 2016 10:002d 23h95,661964K
2St. Clair County, ILJuly 1, 2016 02:30July 26, 2016 18:3025d 16h40,8611.1M
3Madison County, ILMay 7, 2016 20:45May 11, 2016 16:303d 19h19,695157K
4Cook County, ILFebruary 24, 2016 10:00February 26, 2016 11:302d 1h12,867104K
5Cook County, ILMarch 15, 2016 10:30March 18, 2016 11:003d12,28095K
6Knox County, ILJuly 10, 2016 21:00July 22, 2016 17:1511d 20h10,48443K
7Rock Island County, ILJuly 13, 2016 19:45July 15, 2016 04:451d 9h10,31972K
8Rock Island County, ILMarch 15, 2016 23:30March 17, 2016 19:301d 20h10,16266K
9Madison County, ILMarch 29, 2016 13:30March 31, 2016 06:301d 17h9,9169,805
10Knox County, ILSeptember 24, 2016 07:15September 24, 2016 09:452h 30m8,86816K
11Logan County, ILOctober 5, 2016 19:00October 5, 2016 21:002h8,8582,524
12Madison County, ILFebruary 24, 2016 10:30February 26, 2016 20:302d 10h8,72558K
13Coles County, ILJuly 13, 2016 21:00July 22, 2016 15:008d 18h8,55126K
14St. Clair County, ILJune 3, 2016 11:15June 4, 2016 02:1515h8,0434,244
15St. Clair County, ILFebruary 24, 2016 00:30March 2, 2016 00:156d 23h7,97739K
16Douglas County, ILFebruary 24, 2016 13:15February 25, 2016 21:001d 7h7,84750K
17DuPage County, ILFebruary 19, 2016 15:30February 22, 2016 02:302d 11h7,83365K
18Kankakee County, ILJune 23, 2016 03:00June 23, 2016 10:007h7,67637K
19Madison County, ILJuly 13, 2016 15:30July 22, 2016 20:009d 4h7,602111K
20Vermilion County, ILFebruary 24, 2016 12:30February 25, 2016 20:451d 8h7,52727K
21Cook County, ILMay 21, 2016 10:00June 8, 2016 10:0018d7,375187K
22Clinton County, ILJanuary 27, 2016 01:45January 27, 2016 10:008h 15m7,16641K
23DeKalb County, ILFebruary 19, 2016 17:00February 20, 2016 20:001d 3h7,09715K
24Rock Island County, ILJuly 17, 2016 11:45July 17, 2016 20:158h 30m7,0257,707
25Peoria County, ILApril 22, 2016 12:45April 23, 2016 01:0012h 15m6,8839,449
EAGLE-I tracked about n/a of Illinois'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.
Other states in 2016:NCWVSCVAMEFLLAAR

Part of the 2016 US Power Outage Report.

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