massoutage

2025 Idaho Power Outage Report

In 2025, the average Idaho customer went without power for about 5.6 hours, the 21st worst of 51 states (US average 5.3 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
5.6
vs prior year
▲ 22%
vs 2024
Customer-hours out
5.2M
Peak customers out
82,243
across the state at once
EAGLE-I coverage
n/a
of ID customers
Counties reporting
43

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, 2025

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

CSVJSON
Idaho customer-hours without power by month, 2025Jan 132K, Feb 273K, Mar 198K, Apr 250K, May 182K, Jun 220K, Jul 336K, Aug 255K, Sep 247K, Oct 247K, Nov 114K, Dec 2.7M01M2M3M132KJan273KFeb198KMar250KApr182KMay220KJun336KJul255KAug247KSep247KOct114KNov2.7MDec
Use the arrow keys to read values.

All 43 Idaho counties, 2025

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Clearwater County82.8329K3,9783,176131
2Benewah County64.3300K4,6664,666165
3Shoshone County52.8446K8,4618,461209
4Fremont County38.973K1,8661,866506
5Valley County33.7202K5,9925,992135
6Boise County28.399K3,4913,49195
7Idaho County25.4252K9,9206,938178
8Power County25.397K3,8423,82755
9Latah County23.3417K17,87012,381260
10Lewis County16.229K1,8081,076103
11Boundary County15.667K4,2612,371162
12Caribou County14.151K3,6392,197277
13Oneida County13.954K3,9212,914204
14Teton County12.322K1,7751,775223
15Bonner County12.2332K27,21614,387634
16Nez Perce County11.5229K19,9387,496298
17Lemhi County9.034K3,7272,11388
18Blaine County8.7104K11,9659,205125
19Lincoln County7.017K2,36084863
20Kootenai County6.8706K103,28722,012651
21Jefferson County6.558K8,9953,219613
22Clark County6.54,43068549599
23Madison County5.146K8,8775,948516
24Bingham County4.793K19,8376,637401
25Franklin County4.654K11,7486,270337
26Washington County4.513K2,9002,51638
27Owyhee County4.324K5,5013,33286
28Bear Lake County4.323K5,2531,980259
29Elmore County3.953K13,4041,635115
30Gem County3.934K8,6916,94967
31Adams County3.67,6642,1171,87233
32Gooding County3.527K7,5483,038104
33Jerome County3.036K11,7381,656112
34Bannock County2.5109K43,8848,491421
35Canyon County1.9214K112,8968,033407
36Bonneville County1.6127K79,4513,185650
37Twin Falls County1.570K46,2678,381239
38Payette County1.517K11,8461,26986
39Ada County1.1280K256,53710,197571
40Minidoka County0.55,86511,69651932
41Cassia County0.45,88614,72630039
42Butte County-25K-668155
43Camas County-9,991-1,92114

Biggest Idaho outages of 2025

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Kootenai County, IDDecember 17, 2025 11:15December 23, 2025 03:005d 15h22,012493K
2Bonner County, IDDecember 17, 2025 12:30December 23, 2025 21:456d 9h14,387156K
3Latah County, IDDecember 17, 2025 12:45January 1, 2026 00:0014d 11h12,381345K
4Ada County, IDOctober 20, 2025 15:45October 20, 2025 17:001h 15m10,1977,157
5Blaine County, IDJune 11, 2025 03:45June 11, 2025 11:007h 15m9,20564K
6Bannock County, IDAugust 29, 2025 12:30August 29, 2025 14:302h8,49111K
7Shoshone County, IDDecember 17, 2025 12:45December 23, 2025 04:155d 15h8,461400K
8Twin Falls County, IDDecember 10, 2025 18:00December 10, 2025 19:301h 30m8,3818,385
9Canyon County, IDSeptember 30, 2025 03:30September 30, 2025 08:455h 15m8,03319K
10Kootenai County, IDJuly 9, 2025 21:30July 10, 2025 20:0022h 30m7,77712K
11Canyon County, IDNovember 2, 2025 05:30November 2, 2025 12:006h 30m7,50226K
12Nez Perce County, IDMarch 13, 2025 20:15March 13, 2025 20:4530m7,4961,881
13Gem County, IDDecember 25, 2025 17:00December 25, 2025 18:301h 30m6,94910K
14Idaho County, IDFebruary 5, 2025 06:15February 6, 2025 16:151d 10h6,93849K
15Ada County, IDSeptember 26, 2025 16:45September 27, 2025 00:307h 45m6,8239,601
16Ada County, IDFebruary 4, 2025 16:30February 4, 2025 16:4515m6,7521,688
17Bingham County, IDMarch 22, 2025 16:15March 23, 2025 03:1511h6,63711K
18Ada County, IDFebruary 13, 2025 20:30February 18, 2025 22:155d 1h6,5273,816
19Franklin County, IDAugust 28, 2025 19:00August 28, 2025 21:452h 45m6,2701,770
20Ada County, IDMay 10, 2025 04:30May 10, 2025 07:002h 30m6,2145,003
21Nez Perce County, IDSeptember 12, 2025 05:15September 12, 2025 08:453h 30m6,1788,627
22Canyon County, IDOctober 7, 2025 13:45October 7, 2025 16:002h 15m6,1692,506
23Valley County, IDDecember 17, 2025 13:15December 23, 2025 01:455d 12h5,992131K
24Madison County, IDApril 12, 2025 22:30April 13, 2025 04:456h 15m5,9481,632
25Bonner County, IDDecember 5, 2025 16:30December 6, 2025 19:301d 3h5,59222K
EAGLE-I tracked about n/a of Idaho's electricity customers in 2025; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Idaho by year:2024202320222021202020192018201720162015
Other states in 2025:WVMIAKPAMOVANCAR

Part of the 2025 US Power Outage Report.

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