Missoula County, MT Power Outages
Utilities serving Missoula County, Montana don't yet share live outage data with DOE's ODIN feed. Check your electric company's outage map (listed below) for real-time status.
Missoula County on the Montana outage map
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Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Missoula County power outage history
Every significant outage recorded in Missoula County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 99 significant power outages in Missoula County, meaning events that left at least 1% of customers in the dark. The largest (Jul 25–29, 2024) came when severe thunderstorms left 55,225 customers (96.3% of the county) without power.
From 2018 to 2025, the average customer here lost about 7 hr 45 min of power per year, more than the Montana average of 3 hr 56 min. That ranks 15th of 52 Montana counties for outage time, where 1st has the most.
July is the riskiest month: it accounted for 63% of all customer outage time from 2018 to 2025. On 25 days in that period, at least 5% of customers were out at the same time. Outage time in Missoula County has risen recently: about 12 hr 26 min per customer per year in 2022–2025, versus 1 hr 31 min in 2018–2021.
The most recent significant outage on record (Dec 29–30, 2025) affected 761 customers (1.3%) amid high winds.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Jul 25–29, 2024 | 55,225(96.3%) | 5 | Severe thunderstorms |
| 2 | Dec 17–21, 2025 | 8,400(14.6%) | 5 | High winds |
| 3 | May 9–11, 2023 | 7,478(13%) | 3 | Flooding |
| 4 | Aug 2, 2021 | 6,378(11.1%) | 1 | Flooding |
| 5 | Dec 20–21, 2023 | 6,344(11.1%) | 2 | No major storm reported |
Hours without power per customer, by year
When outages happen
Source: DOE/ORNL EAGLE-I recorded electricity outages, 2014–2025 (CC BY 4.0), with likely causes from the NOAA NCEI Storm Events Database. EAGLE-I coverage was partial before 2018, so averages use 2018–2025. Peak counts are the highest number of customers out at one time.
Who provides electricity in Missoula County?
Electric companies with service territory in Missoula County (EIA-861, 2025)
| Utility | Type | Customers (MT) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| NorthWestern Energy (Montana) | Investor Owned | 438,851 | Not reporting | |
| USBIA-Mission Valley Power | Federal | 23,250 | Not reporting | |
| Missoula Electric Coop, Inc | Cooperative | 17,426 | Not reporting | |
| Ravalli County Elec Coop, Inc | Cooperative | 12,194 | Not reporting | |
| Bonneville Power Administration | Federal | — | Not reporting |
Customer counts are each utility's statewide total in Montana. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No Missoula County outage headlines in the past week.
Cities in Missoula County
Missoula
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Missoula County power outage FAQ
Is the power out in Missoula County right now?
No outages are currently reported for Missoula County by participating utilities. Live coverage is limited here, so If your power is out, report it to your electric company.
Which electric company serves Missoula County?
According to EIA-861 service territory data, NorthWestern Energy LLC - (MT), USBIA-Mission Valley Power, Missoula Electric Coop, Inc, Ravalli County Elec Coop, Inc and 1 others provide electric service in Missoula County, Montana.
What was the worst power outage in Missoula County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Jul 25–29, 2024. It peaked at 55,225 customers without power (96.3% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Missoula County?
EAGLE-I has recorded 99 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 7 hr 45 min of power per year, and on 25 days at least 5% of customers were out at once.
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "Missoula County, MT Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/montana/missoula-county