massoutage

2015 Montana Power Outage Report

In 2015, the average Montana customer went without power for about 2.3 hours — the 27th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
2.3
Peak customers out
6,376
Rank (worst state)
27th
Counties affected
5

Montana outages over the decade

Average hours without power per customer, 2015 highlighted.

2.3h20151.8h20162.7h20171.9h20180.6h20195.6h20205.0h20213.5h20221.8h20238.5h20246.8h2025

Hardest-hit Montana counties in 2015

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

1Flathead County6,3762Lake County2,8113Lincoln County1,5614Park County2055Sanders County23

Biggest Montana outages of 2015

CountyBeganPeak customers out
Flathead CountyJanuary 4, 20156,376
Flathead CountyNovember 18, 20155,971
Flathead CountyNovember 18, 20154,528
Flathead CountyFebruary 14, 20153,873
Flathead CountyJune 3, 20152,933
Flathead CountyJune 1, 20152,929
Lake CountyNovember 18, 20152,811
Lake CountyJune 3, 20152,808
Lake CountyJune 1, 20152,808
Flathead CountyJuly 7, 20152,704
Montana by year:20252024202320222021202020192018
Other states in 2015:WVWANCMIRILA

Part of the 2015 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.