massoutage

2025 Idaho Power Outage Report

In 2025, the average Idaho customer went without power for about 5.6 hours — the 21st worst of any US state that year, 1.6× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
5.6
Peak customers out
22,012
Rank (worst state)
21st
Counties affected
20

Idaho outages over the decade

Average hours without power per customer, 2025 highlighted.

2.6h20151.5h20163.0h20172.0h20182.2h20195.1h20205.7h20213.0h20222.4h20234.6h20245.6h2025

Hardest-hit Idaho counties in 2025

By peak customers out during the year's worst event.

1Kootenai County22,0122Bonner County14,3873Latah County12,3814Shoshone County10,2315Ada County10,1976Blaine County9,2057Bannock County8,4918Twin Falls County8,3819Valley County8,04610Canyon County8,03311Nez Perce County7,49612Gem County6,94913Idaho County6,93814Bingham County6,63715Franklin County6,27016Madison County5,94817Benewah County5,32618Power County3,82719Boise County3,79020Owyhee County3,332

Biggest Idaho outages of 2025

CountyBeganPeak customers out
Kootenai CountyDecember 17, 202522,012
Bonner CountyDecember 17, 202514,387
Latah CountyDecember 17, 202512,381
Shoshone CountyDecember 17, 202510,231
Ada CountyOctober 20, 202510,197
Blaine CountyJune 11, 20259,205
Bannock CountyAugust 29, 20258,491
Twin Falls CountyDecember 10, 20258,381
Valley CountyDecember 17, 20258,046
Canyon CountySeptember 30, 20258,033
Idaho by year:20242023202220212020201920182017
Other states in 2025:WVMIAKPANCMO

Part of the 2025 US Power Outage Report. Source: DOE/ORNL EAGLE-I. “Avg hours per customer” is a SAIDI-like measure (outage customer-minutes ÷ tracked customers); coverage varies by year.