Montana Power Outages: Live Map & Grid Status
Montana utilities do not yet share live outage data with DOE's ODIN feed, so live counts here are limited. Check your electric company's outage map (listed below) for real-time status.
Montana outage map by county
Limited data- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
Montana counties with power outages
Counties with customers out right now
No county-level outages are being reported right now.
Weather alerts
Wind, storm, ice, heat and fire-weather alerts from NWS
No active outage-relevant weather alerts from the National Weather Service.
Outage trend: last 7 days
Customers without power, recorded every ~30 minutes (participating utilities)
Biggest Montana power outages since 2014
Statewide outage events recorded by DOE's EAGLE-I system since late 2014, with likely causes from NOAA storm reports
The largest power outage in Montana since 2014 (Dec 16–23, 2025) left as many as 101,938 customers (16.39% of the state) without power at once, driven by high winds. The next largest (Jul 25–30, 2024) peaked at 64,850 customers (Severe thunderstorms).
By EAGLE-I's count, Montana customers averaged about 3 hr 56 min without power per year from 2018 to 2025. The worst year was 2024, at 8 hr 15 min per customer.
Outages peak in July (17% of outage time). Outage time in Montana has risen recently: about 5 hr 1 min per customer per year in 2022–2025, versus 2 hr 51 min in 2018–2021.
| # | When | Peak out at once | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Dec 16–23, 2025 | 101,938(16.39%) | 8 | High winds |
| 2 | Jul 25–30, 2024 | 64,850(10.43%) | 6 | Severe thunderstorms |
| 3 | May 28 – Jun 3, 2020 | 37,544(6.04%) | 7 | High winds |
| 4 | Jan 13–16, 2021 | 34,247(5.51%) | 4 | High winds |
| 5 | Aug 23–25, 2024 | 33,865(5.45%) | 3 | Severe thunderstorms |
| 6 | Jun 4, 2021 | 31,545(5.07%) | 1 | Severe thunderstorms |
| 7 | Oct 4–6, 2024 | 24,987(4.02%) | 3 | High winds |
| 8 | Nov 2–6, 2022 | 19,241(3.09%) | 5 | High winds |
Hours without power per customer, by year (EAGLE-I)
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.
Montana electric utilities
Largest electric companies in Montana, from EIA-861 (2025)
| Utility | Type | Customers (MT) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| NorthWestern Energy (Montana) | Investor Owned | 438,851 | Not reporting | |
| Flathead Electric Coop Inc | Cooperative | 79,942 | Not reporting | |
| Montana-Dakota Utilities | Investor Owned | 27,906 | Not reporting | |
| Yellowstone Valley Elec Co-op | Cooperative | 23,683 | 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 | |
| Vigilante Electric Coop, Inc | Cooperative | 11,420 | Not reporting | |
| Glacier Electric Coop, Inc | Cooperative | 7,964 | Not reporting | |
| Fergus Electric Coop, Inc | Cooperative | 7,157 | Not reporting | |
| Lincoln Electric Coop, Inc | Cooperative | 6,909 | Not reporting | |
| Park Electric Coop Inc | Cooperative | 6,891 | Not reporting | |
| Beartooth Electric Coop, Inc | Cooperative | 6,538 | Not reporting | |
| Sun River Electric Coop, Inc | Cooperative | 6,300 | Not reporting | |
| McCone Electric Coop Inc | Cooperative | 5,481 | Not reporting |
“Avg. outage time / yr” is each utility's reported SAIDI for 2025, including major events. “Live data” shows whether the utility shares outages with DOE ODIN.
Montana grid reliability & uptime
Official reliability metrics from the U.S. Energy Information Administration
In 2025, the average Montana customer went 4 hr 46 min without power, compared with 4 hr 29 min for the U.S. as a whole. That ranks Montana 19th of 51 for total outage time, where 1st has the most.
Leaving out major events such as hurricanes and ice storms, the figure falls to 2 hr 15 min. Customers averaged 1.33 interruptions, each lasting about 3 hr 35 min. Over the last five years Montana averaged 4 hr 4 min of outages per customer per year (rank 34th).
View as table
| Year | MT SAIDI (min) | U.S. SAIDI (min) |
|---|---|---|
| 2015 | 295.4 | 209 |
| 2016 | 155.7 | 268.4 |
| 2017 | 218.9 | 505.9 |
| 2018 | 135.4 | 349.2 |
| 2019 | 165.8 | 295.5 |
| 2020 | 275.3 | 456.1 |
| 2021 | 251.7 | 475.8 |
| 2022 | 224.7 | 333 |
| 2023 | 113.9 | 366.6 |
| 2024 | 341.7 | 662.6 |
| 2025 | 286.4 | 269.2 |
Source: EIA Electric Power Annual, Table 11.4 (IEEE method, all events including major event days).
Montana power outage news
- Updated: NorthWestern Energy says power restored after widespread outage in Helena on ThursdayBillings Gazette · Oct 29, 7:26 PM EDT
- Malmstrom AFB in Great Falls Prepares Self-Contained Emergency Power PlanMontana Talks · Oct 29, 6:43 PM EDT
All Montana counties
Outage status, alerts and utilities for all 56 Montana counties
- Beaverhead County
- Big Horn County
- Blaine County
- Broadwater County
- Carbon County
- Carter County
- Cascade County
- Chouteau County
- Custer County
- Daniels County
- Dawson County
- Deer Lodge County
- Fallon County
- Fergus County
- Flathead County
- Gallatin County
- Garfield County
- Glacier County
- Golden Valley County
- Granite County
- Hill County
- Jefferson County
- Judith Basin County
- Lake County
- Lewis and Clark County
- Liberty County
- Lincoln County
- Madison County
- McCone County
- Meagher County
- Mineral County
- Missoula County
- Musselshell County
- Park County
- Petroleum County
- Phillips County
- Pondera County
- Powder River County
- Powell County
- Prairie County
- Ravalli County
- Richland County
- Roosevelt County
- Rosebud County
- Sanders County
- Sheridan County
- Silver Bow County
- Stillwater County
- Sweet Grass County
- Teton County
- Toole County
- Treasure County
- Valley County
- Wheatland County
- Wibaux County
- Yellowstone County
Montana power outage FAQ
Is there a power outage in Montana right now?
No outages are currently reported by participating utilities in Montana. Live coverage depends on which utilities share data with DOE ODIN, so if your power is out, report it to your electric company.
How reliable is the power grid in Montana?
In 2025, the average Montana electricity customer was without power for 4 hr 46 min in total (SAIDI, including major events), versus 4 hr 29 min nationally, according to EIA. That ranks Montana 19th of 51 for outage time (1st = most). Power was on 99.946% of the year.
How long do power outages last in Montana?
When an outage happened in 2025, Montana customers waited an average of 3 hr 35 min for power to be restored (CAIDI), and the average customer had 1.33 sustained interruptions during the year (SAIFI), per EIA-861 data.
Who do I call to report a power outage in Montana?
Report outages directly to your electric utility. NorthWestern Energy LLC - (MT), Flathead Electric Coop Inc, Montana-Dakota Utilities Co and others serve the most customers in Montana. Call 911 if you see a downed power line or are in danger.
Prepare for the next outage
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "Montana Power Outages: Live Map & Grid Status." Accessed November 2, 2026. https://poweroutagetracker.com/outages/montana
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