Sanders County, MT Power Outages
Utilities serving Sanders 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.
Sanders 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.
Sanders County power outage history
Every significant outage recorded in Sanders County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 206 significant power outages in Sanders County, meaning events that left at least 1% of customers in the dark. The largest (Jan 9–18, 2021) came when high winds left 7,428 customers (100% of the county) without power.
From 2018 to 2025, the average customer here lost about 12 hr 42 min of power per year, more than the Montana average of 3 hr 56 min. That ranks 8th of 52 Montana counties for outage time, where 1st has the most.
January is the riskiest month: it accounted for 36% of all customer outage time from 2018 to 2025. On 105 days in that period, at least 5% of customers were out at the same time. Outage time in Sanders County has fallen recently: about 10 hr 4 min per customer per year in 2022–2025, versus 15 hr 20 min in 2018–2021.
The most recent significant outage on record (Dec 26, 2025) affected 801 customers (11%) amid a winter storm.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Jan 9–18, 2021 | 7,428(100%) | 10 | High winds |
| 2 | Dec 16–22, 2025 | 6,903(94.4%) | 7 | High winds |
| 3 | Sep 7–9, 2020 | 3,568(48.8%) | 3 | Winter storm |
| 4 | Sep 8–10, 2025 | 2,748(37.6%) | 3 | Wildfire |
| 5 | Dec 8, 2025 | 2,674(36.6%) | 1 | High winds |
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 Sanders County?
Electric companies with service territory in Sanders County (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 | |
| USBIA-Mission Valley Power | Federal | 23,250 | Not reporting | |
| Northern Lights, Inc | Cooperative | 5,057 | Not reporting | |
| Avista Utilities | Investor Owned | 32 | 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 Sanders County outage headlines in the past week.
Sanders County power outage FAQ
Is the power out in Sanders County right now?
No outages are currently reported for Sanders 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 Sanders County?
According to EIA-861 service territory data, NorthWestern Energy LLC - (MT), Flathead Electric Coop Inc, USBIA-Mission Valley Power, Northern Lights, Inc and 1 others provide electric service in Sanders County, Montana.
What was the worst power outage in Sanders County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Jan 9–18, 2021. It peaked at 7,428 customers without power (100% of the county). NOAA storm reports for that period point to high winds.
How often does the power go out in Sanders County?
EAGLE-I has recorded 206 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 12 hr 42 min of power per year, and on 105 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. "Sanders County, MT Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/montana/sanders-county