massoutage

2018 Idaho Power Outage Report

In 2018, the average Idaho customer went without power for about 2.0 hours, the 38th worst of 51 states (US average 5.3 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
2.0
vs prior year
▼ 33%
vs 2017
Customer-hours out
1.9M
Peak customers out
17,601
across the state at once
EAGLE-I coverage
91%
of ID customers
Counties reporting
44

Idaho year over year

Idaho: average hours without power per customer by year2015: 2.6h; 2016: 1.5h; 2017: 2.9h; 2018: 2.0h, coverage 91%; 2019: 2.1h, coverage 92%; 2020: 5.1h, coverage 95%; 2021: 5.6h, coverage 90%; 2022: 2.9h, coverage 91%; 2023: 2.4h; 2024: 4.6h; 2025: 5.6h02460%50%100%2.6h20151.5h20162.9h20172.0h20182.1h20195.1h20205.6h20212.9h20222.4h20234.6h20245.6h2025
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, 2018

Customer-hours without power across Idaho; November was the worst.

CSVJSON
Idaho customer-hours without power by month, 2018Jan 95K, Feb 93K, Mar 113K, Apr 159K, May 152K, Jun 190K, Jul 211K, Aug 164K, Sep 94K, Oct 129K, Nov 235K, Dec 221K0100k200k300k95KJan93KFeb113KMar159KApr152KMay190KJun211KJul164KAug94KSep129KOct235KNov221KDec
Use the arrow keys to read values.

All 44 Idaho counties, 2018

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Boise County37.1129K3,4912,96062
2Fremont County28.353K1,8661,866395
3Benewah County24.3114K4,6664,666160
4Clearwater County19.778K3,9782,293175
5Lincoln County15.236K2,3602,211182
6Adams County14.130K2,1172,029314
7Madison County11.3100K8,8778,877368
8Lemhi County9.234K3,7272,83261
9Clark County8.75,97468554784
10Teton County8.615K1,7751,775212
11Lewis County6.412K1,808926104
12Boundary County5.925K4,2611,903139
13Valley County5.935K5,9921,81263
14Bonner County5.2141K27,2169,115642
15Shoshone County5.043K8,4612,199305
16Gooding County4.232K7,5484,36264
17Jefferson County4.238K8,9952,531520
18Caribou County3.713K3,639690149
19Latah County3.563K17,8702,613337
20Bingham County3.366K19,8373,832313
21Idaho County2.626K9,9201,214171
22Washington County2.67,5672,90091028
23Elmore County2.635K13,4041,56278
24Nez Perce County2.549K19,9381,974439
25Blaine County2.226K11,9651,83363
26Franklin County2.226K11,7483,425228
27Jerome County2.024K11,7381,47080
28Owyhee County1.911K5,50135565
29Power County1.97,1363,84272228
30Twin Falls County1.571K46,2673,714209
31Bannock County1.359K43,8842,745231
32Bear Lake County1.36,9085,253716147
33Payette County1.315K11,8461,80141
34Camas County1.2585469844
35Cassia County1.217K14,7261,67132
36Oneida County1.14,3523,921243138
37Bonneville County0.866K79,45117,133466
38Canyon County0.891K112,89611,368289
39Minidoka County0.89,17311,69633348
40Gem County0.76,3768,6912,00342
41Ada County0.7170K256,53712,799383
42Kootenai County0.663K103,2872,969672
43Custer County0.0382,46833
44Butte County-1,318-17593

Biggest Idaho outages of 2018

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Bonneville County, IDDecember 26, 2018 15:45December 26, 2018 23:458h17,13329K
2Ada County, IDJune 5, 2018 15:30June 5, 2018 16:1545m12,7995,052
3Canyon County, IDMarch 21, 2018 15:30March 21, 2018 19:304h11,36814K
4Bonner County, IDAugust 27, 2018 12:30August 27, 2018 22:3010h9,11519K
5Madison County, IDDecember 8, 2018 03:30December 8, 2018 10:156h 45m8,87725K
6Madison County, IDSeptember 23, 2018 11:00September 23, 2018 19:158h 15m8,8779,443
7Canyon County, IDMarch 21, 2018 20:15March 21, 2018 21:0045m8,2572,802
8Ada County, IDSeptember 28, 2018 20:30September 28, 2018 21:301h7,6535,839
9Madison County, IDMay 23, 2018 13:15May 23, 2018 16:153h5,68111K
10Ada County, IDJuly 30, 2018 15:30July 30, 2018 17:452h 15m5,6241,479
11Ada County, IDJuly 8, 2018 10:45July 8, 2018 15:455h5,2117,924
12Ada County, IDMay 18, 2018 03:30May 18, 2018 04:1545m5,1903,893
13Madison County, IDJanuary 26, 2018 02:15January 26, 2018 06:003h 45m4,73213K
14Benewah County, IDNovember 24, 2018 05:30November 26, 2018 05:452d4,66677K
15Ada County, IDApril 14, 2018 17:45April 15, 2018 00:006h 15m4,4807,215
16Gooding County, IDJuly 17, 2018 02:45July 17, 2018 06:454h4,36217K
17Ada County, IDOctober 10, 2018 14:45October 10, 2018 19:004h 15m4,1285,366
18Canyon County, IDFebruary 16, 2018 19:30February 16, 2018 20:1545m4,0661,226
19Ada County, IDJanuary 9, 2018 11:15January 9, 2018 11:3015m3,932983
20Bingham County, IDMarch 23, 2018 05:00March 23, 2018 08:303h 30m3,83212K
21Twin Falls County, IDMarch 14, 2018 15:45March 14, 2018 23:007h 15m3,7144,140
22Ada County, IDNovember 16, 2018 08:45November 16, 2018 10:001h 15m3,6734,582
23Benewah County, IDJune 10, 2018 12:15June 10, 2018 16:304h 15m3,43915K
24Franklin County, IDAugust 11, 2018 06:45August 11, 2018 14:307h 45m3,4257,889
25Ada County, IDAugust 30, 2018 14:30August 30, 2018 15:451h 15m3,2903,156
EAGLE-I tracked about 91% of Idaho's electricity customers in 2018; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Idaho by year:2025202420232022202120202019201720162015
Other states in 2018:NCVAWVMARIVTMEMI

Part of the 2018 US Power Outage Report.

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