massoutage

2020 Idaho Power Outage Report

In 2020, the average Idaho customer went without power for about 5.0 hours, the 28th worst of 51 states (US average 8.0 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
5.0
vs prior year
▲ 140%
vs 2019
Customer-hours out
4.7M
Peak customers out
90,415
across the state at once
EAGLE-I coverage
95%
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, 2020

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

CSVJSON
Idaho customer-hours without power by month, 2020Jan 611K, Feb 150K, Mar 369K, Apr 147K, May 710K, Jun 256K, Jul 161K, Aug 229K, Sep 1.3M, Oct 426K, Nov 227K, Dec 163K0500k1M1.5M611KJan150KFeb369KMar147KApr710KMay256KJun161KJul229KAug1.3MSep426KOct227KNov163KDec
Use the arrow keys to read values.

All 44 Idaho counties, 2020

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Bonner County38.21.0M27,21617,259579
2Clearwater County35.7142K3,9782,277210
3Boundary County29.3125K4,2613,517269
4Power County26.6102K3,8423,598112
5Boise County25.288K3,4913,49172
6Benewah County23.6110K4,6662,500303
7Lemhi County22.383K3,7273,72795
8Fremont County20.238K1,8661,866499
9Madison County13.6121K8,8778,877554
10Valley County12.072K5,9925,99291
11Idaho County11.7116K9,9203,520435
12Bingham County11.6229K19,8377,882542
13Jefferson County11.099K8,9958,995681
14Blaine County9.9118K11,9658,01386
15Clark County9.76,660685560143
16Shoshone County9.076K8,4611,882276
17Adams County8.318K2,1172,11735
18Bonneville County7.4589K79,45145,980672
19Lewis County6.812K1,808461351
20Oneida County5.120K3,921838251
21Owyhee County4.827K5,5013,11051
22Latah County4.784K17,8703,409457
23Bannock County4.3191K43,88431,731409
24Washington County4.312K2,90062039
25Teton County4.37,5591,775590233
26Gooding County3.627K7,5483,04178
27Gem County3.530K8,6917,21248
28Franklin County3.339K11,7485,329335
29Twin Falls County3.1142K46,26712,744234
30Nez Perce County3.059K19,9381,205488
31Lincoln County2.96,7422,3601,03639
32Jerome County2.833K11,7383,09593
33Camas County2.71,266469977
34Caribou County2.69,4503,6391,072223
35Elmore County2.534K13,4045,42887
36Kootenai County2.4248K103,2876,314642
37Canyon County1.8207K112,89641,064318
38Custer County1.43,4782,46831540
39Cassia County1.421K14,7261,604108
40Bear Lake County1.36,8485,253325289
41Ada County1.1294K256,53729,618447
42Payette County1.113K11,8464,37261
43Minidoka County0.33,88411,69672727
44Butte County-16K-1,044139

Biggest Idaho outages of 2020

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Bonneville County, IDMay 28, 2020 15:00May 29, 2020 22:151d 7h45,980411K
2Canyon County, IDJanuary 16, 2020 19:30January 16, 2020 23:454h 15m41,064108K
3Bannock County, IDJanuary 16, 2020 20:15January 17, 2020 00:304h 15m31,73144K
4Ada County, IDJanuary 16, 2020 19:30January 16, 2020 23:454h 15m29,61868K
5Bonneville County, IDApril 28, 2020 04:15April 28, 2020 08:304h 15m20,90314K
6Bonner County, IDMarch 13, 2020 23:15March 16, 2020 09:152d 10h17,259268K
7Bonner County, IDSeptember 7, 2020 14:30September 12, 2020 12:304d 22h15,483416K
8Bonneville County, IDJuly 29, 2020 14:45July 30, 2020 05:3014h 45m15,24916K
9Bonneville County, IDJune 21, 2020 22:45June 23, 2020 22:452d15,17119K
10Bonner County, IDJanuary 12, 2020 18:45January 14, 2020 12:151d 17h14,11392K
11Ada County, IDJune 6, 2020 03:30June 6, 2020 17:3014h12,99430K
12Twin Falls County, IDJanuary 16, 2020 20:15January 16, 2020 21:451h 30m12,7446,247
13Ada County, IDApril 30, 2020 19:45April 30, 2020 21:001h 15m11,8855,040
14Bonner County, IDMarch 4, 2020 07:45March 5, 2020 02:1518h 30m11,11714K
15Bonner County, IDMay 11, 2020 02:00May 11, 2020 08:306h 30m11,09521K
16Bonneville County, IDApril 28, 2020 20:45April 29, 2020 00:454h10,15410K
17Jefferson County, IDMay 28, 2020 15:15May 29, 2020 02:1511h8,9955,103
18Jefferson County, IDJanuary 24, 2020 06:00January 24, 2020 11:005h8,99516K
19Madison County, IDJanuary 24, 2020 06:00January 24, 2020 11:005h8,87717K
20Madison County, IDNovember 24, 2020 10:45November 24, 2020 11:3045m8,8772,326
21Madison County, IDSeptember 7, 2020 22:30September 10, 2020 05:152d 6h8,87771K
22Madison County, IDMay 28, 2020 14:15May 29, 2020 02:1512h8,8775,038
23Canyon County, IDNovember 7, 2020 17:15November 7, 2020 18:301h 15m8,0468,049
24Blaine County, IDOctober 13, 2020 04:15October 13, 2020 12:158h8,01357K
25Bingham County, IDMay 28, 2020 15:30May 28, 2020 21:306h7,8824,341
EAGLE-I tracked about 95% of Idaho'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.
Idaho by year:2025202420232022202120192018201720162015
Other states in 2020:LAMEOKIAALMSNJNC

Part of the 2020 US Power Outage Report.

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