massoutage

2018 Idaho Power Outage Report

In 2018, the average Idaho customer went without power for about 2.0 hours — the 38th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
2.0
Peak customers out
17,133
Rank (worst state)
38th
Counties affected
20

Idaho outages over the decade

Average hours without power per customer, 2018 highlighted.

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

Hardest-hit Idaho counties in 2018

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

1Bonneville County17,1332Madison County13,0373Ada County12,7994Canyon County11,3685Bonner County9,1156Teton County6,2257Fremont County5,0148Benewah County4,8069Gooding County4,36210Bingham County3,83211Twin Falls County3,71412Franklin County3,42513Kootenai County2,96914Boise County2,96015Lemhi County2,83216Bannock County2,74517Latah County2,61318Jefferson County2,53119Clearwater County2,29320Lincoln County2,211

Biggest Idaho outages of 2018

CountyBeganPeak customers out
Bonneville CountyDecember 26, 201817,133
Madison CountySeptember 23, 201813,037
Madison CountyDecember 8, 201812,911
Ada CountyJune 5, 201812,799
Canyon CountyMarch 21, 201811,368
Bonner CountyAugust 27, 20189,115
Canyon CountyMarch 21, 20188,257
Ada CountySeptember 28, 20187,653
Teton CountyMarch 23, 20186,225
Madison CountyMay 23, 20185,681
Idaho by year:20252024202320222021202020192017
Other states in 2018:NCVAWVMARIVT

Part of the 2018 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.