Silver Bow County, MT Power Outages
Utilities serving Silver Bow 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.
Silver Bow 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.
Silver Bow County power outage history
Every significant outage recorded in Silver Bow County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 63 significant power outages in Silver Bow County, meaning events that left at least 1% of customers in the dark. The largest (Jun 12–14, 2020) came when high winds left 7,121 customers (29.6% of the county) without power.
From 2018 to 2025, the average customer here lost about 1 hr 56 min of power per year, less than the Montana average of 3 hr 56 min. That ranks 41st of 52 Montana counties for outage time, where 1st has the most.
June is the riskiest month: it accounted for 17% of all customer outage time from 2018 to 2025. On 23 days in that period, at least 5% of customers were out at the same time. Outage time in Silver Bow County has held roughly steady recently: about 1 hr 48 min per customer per year in 2022–2025, versus 2 hr 7 min in 2018–2021.
The most recent significant outage on record (Dec 17–18, 2025) affected 6,355 customers (26.4%) amid high winds.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Jun 12–14, 2020 | 7,121(29.6%) | 3 | High winds |
| 2 | May 27–29, 2020 | 6,874(28.6%) | 3 | No major storm reported |
| 3 | Dec 17–18, 2025 | 6,355(26.4%) | 2 | High winds |
| 4 | Jul 20, 2021 | 5,468(22.7%) | 1 | Wildfire |
| 5 | Feb 16, 2023 | 4,064(16.9%) | 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 Silver Bow County?
Electric companies with service territory in Silver Bow County (EIA-861, 2025)
| Utility | Type | Customers (MT) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| NorthWestern Energy (Montana) | Investor Owned | 438,851 | Not reporting | |
| Vigilante Electric Coop, Inc | Cooperative | 11,420 | 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 Silver Bow County outage headlines in the past week.
Cities in Silver Bow County
Butte
Nearby counties
Silver Bow County power outage FAQ
Is the power out in Silver Bow County right now?
No outages are currently reported for Silver Bow 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 Silver Bow County?
According to EIA-861 service territory data, NorthWestern Energy LLC - (MT), Vigilante Electric Coop, Inc, Bonneville Power Administration provide electric service in Silver Bow County, Montana.
What was the worst power outage in Silver Bow County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Jun 12–14, 2020. It peaked at 7,121 customers without power (29.6% of the county). NOAA storm reports for that period point to high winds.
How often does the power go out in Silver Bow County?
EAGLE-I has recorded 63 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 1 hr 56 min of power per year, and on 23 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. "Silver Bow County, MT Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/montana/silver-bow-county