Valley County, MT Power Outages
Utilities serving Valley 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.
Valley County on the Montana outage map
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- Minor
- Moderate
- Major
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- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Valley County power outage history
Every significant outage recorded in Valley County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 77 significant power outages in Valley County, meaning events that left at least 1% of customers in the dark. The largest (Jul 23, 2021) came when severe thunderstorms left 3,217 customers (82.2% of the county) without power.
From 2018 to 2025, the average customer here lost about 6 hr 25 min of power per year, more than the Montana average of 3 hr 56 min. That ranks 20th of 52 Montana counties for outage time, where 1st has the most.
December is the riskiest month: it accounted for 20% of all customer outage time from 2018 to 2025. On 76 days in that period, at least 5% of customers were out at the same time. Outage time in Valley County has fallen recently: about 5 hr 33 min per customer per year in 2022–2025, versus 7 hr 35 min in 2018–2021.
The most recent significant outage on record (Dec 26, 2025) affected 3,145 customers (80.4%) amid a winter storm.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Jul 23, 2021 | 3,217(82.2%) | 1 | Severe thunderstorms |
| 2 | Jan 24, 2025 | 3,214(82.2%) | 1 | Winter storm |
| 3 | Nov 5, 2021 | 3,174(81.1%) | 1 | High winds |
| 4 | Dec 26, 2025 | 3,145(80.4%) | 1 | Winter storm |
| 5 | Mar 8, 2021 | 2,890(73.9%) | 1 | 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 Valley County?
Electric companies with service territory in Valley County (EIA-861, 2025)
| Utility | Type | Customers (MT) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| NorthWestern Energy (Montana) | Investor Owned | 438,851 | Not reporting | |
| Big Flat Electric Coop Inc | Cooperative | 2,062 | Not reporting | |
| NorVal Electric Cooperative, Inc | Cooperative | 1,930 | Not reporting | |
| WAPA-- Western Area Power Administration | Federal | 16 | 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 Valley County outage headlines in the past week.
Nearby counties
Valley County power outage FAQ
Is the power out in Valley County right now?
No outages are currently reported for Valley 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 Valley County?
According to EIA-861 service territory data, NorthWestern Energy LLC - (MT), Big Flat Electric Coop Inc, NorVal Electric Cooperative, Inc, WAPA-- Western Area Power Administration provide electric service in Valley County, Montana.
What was the worst power outage in Valley County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Jul 23, 2021. It peaked at 3,217 customers without power (82.2% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Valley County?
EAGLE-I has recorded 77 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 6 hr 25 min of power per year, and on 76 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. "Valley County, MT Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/montana/valley-county