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2022 Montana Power Outage Report

In 2022, the average Montana customer went without power for about 3.5 hours — the 30th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
3.5
Peak customers out
16,122
Rank (worst state)
30th
Counties affected
20

Montana outages over the decade

Average hours without power per customer, 2022 highlighted.

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

Hardest-hit Montana counties in 2022

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

1Flathead County16,1222Gallatin County11,2963Yellowstone County7,3754Lincoln County5,9265Cascade County5,2096Hill County4,5957Fergus County4,1018Custer County4,0169Park County3,80410Missoula County3,66511Lake County3,14012Lewis and Clark County2,78013Carbon County2,57514Beaverhead County2,51915Silver Bow County2,17316Phillips County2,06717Chouteau County1,93318Granite County1,90419Mineral County1,86720Madison County1,863

Biggest Montana outages of 2022

CountyBeganPeak customers out
Flathead CountyNovember 2, 202216,122
Flathead CountyAugust 24, 202214,225
Flathead CountyJuly 30, 202213,124
Gallatin CountyOctober 16, 202211,296
Yellowstone CountyJuly 25, 20227,375
Flathead CountyDecember 22, 20226,542
Lincoln CountyNovember 3, 20225,926
Lincoln CountyJanuary 10, 20225,786
Cascade CountySeptember 9, 20225,209
Hill CountyOctober 2, 20224,595
Montana by year:20252024202320212020201920182017
Other states in 2022:MENCFLWVVTAK

Part of the 2022 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.