Power Outages in Silver Bow County, MT
Is there a power outage in Silver Bow County, MT right now? Yes. As of October 19, 2026 21:35 UTC, about 5 customers are without power in Silver Bow County, MT across 1 reported incident. There is no live feed for Bonneville Power Administration and NorthWestern Energy, so outages in their service area aren't counted.
Silver Bow County, MT is served by 4 tracked utilities. In 2025, the average customer here lost power for about 2.6 hours.
Cite this data
- URL
- https://massoutage.com/montana/silver-bow-county
- As of
- October 19, 2026 21:35 UTC
- Publisher
- MassOutage
MassOutage, "Power Outages in Silver Bow County, MT", live data as of October 19, 2026 21:35 UTC. https://massoutage.com/montana/silver-bow-county
Not counted: no live feed for Bonneville Power Administration and NorthWestern Energy.
Report an outage in Silver Bow County, MT
Report it to your electric utility; MassOutage can't take reports. For a downed line, stay at least 35 feet away and call 911.
No outage contact on file for NorthWestern Energy LLC - (MT), Bonneville Power Administration, NorthWestern Energy and Vigilante Electric Coop, Inc; check your electric bill or the utility's website.
1.8%of this county's ~24,541 customers are served by utilities with a county-level live feed.
We can't see outages for: Bonneville Power Administration, NorthWestern Energy. Their customers are not in any number on this page; check their own outage maps.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Vigilante Electric Coop, Inc | Live · county | 0 | 431 | 0.0% | - | - | - | |
| NorthWestern Energy LLC - (MT) | Live · county | 5 | - | - | - | 1 | - | |
| Bonneville Power Administration | No live feed | can't see | - | - | - | - | - | - |
| NorthWestern Energy | No live feed | can't see | - | - | - | - | - | - |
Vigilante Electric Coop, Inc and NorthWestern Energy LLC - (MT) reportevery town in the county on each poll, so 0 out is a real all-clear. ETRs are the utility's own estimates.
Active outages in Silver Bow County1
Individual outages as listed by NorthWestern Energy LLC - (MT), largest first. “<N” means the utility only publishes that the outage affects fewer than N customers.
| Customers | Cause | Crew status | Utility ETR | Started | Utility |
|---|---|---|---|---|---|
| 5 | System - Scheduled Maintenance | - | - | - | NorthWestern Energy LLC - (MT) |
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Silver Bow Countywho rely on electricity-dependent medical equipment (ventilators, oxygen concentrators, home dialysis, powered wheelchairs, and more). HHS reports counts of 1–10 as “≤11”. Medicare only, so the full at-risk population is larger.
By ZIP code (5)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 59701 | 1,106 | ≤11 | 1,046 | ≤11 |
| 59750 | ≤11 | 0 | ≤11 | 0 |
| 59748 | ≤11 | 0 | ≤11 | 0 |
| 59743 | ≤11 | 0 | ≤11 | 0 |
| 59727 | ≤11 | 0 | ≤11 | 0 |
Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.
Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for Silver Bow County or any town and utility in it.
No active NWS alerts for Silver Bow County right now.
Silver Bow County has been under 2 National Weather Service alerts recently, most recently a Winter Storm Warning on October 11, 2026.
- Winter Storm Warning ×1
- Winter Storm Watch ×1
Latest Silver Bow County, MT outage updates
A running log of how this outage has changed, updated automatically as utilities report in.
- RESOLVED
Power restored after 5h 24m
- OUTAGE BEGAN
Outage began: 896 customers out (3.7% of the county)
Hardest-hit cities in Silver Bow County
Where this event is concentrated across the county's towns and townships.
Live outage counts are tracked at the county level; a city-by-city split within Silver Bow Countyisn't available yet.
Historical reliability
In 2025, the average customer in Silver Bow County went about 2.6 hours without power. Peak simultaneous outage on record reached 7,121 customers.
The US EIA reports Montana utilities averaged 4.8 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 2.6 hrs.
Worst year here was 2020 (peak 7,121 customers out) · decade average 1.9 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2019 | 2 | 6 | 0.0 |
| 2020 | 309 | 7,121 | 4.9 |
| 2021 | 285 | 5,468 | 1.4 |
| 2022 | 267 | 2,173 | 2.2 |
| 2023 | 222 | 4,064 | 0.9 |
| 2024 | 306 | 2,049 | 1.5 |
| 2025 | 312 | 6,355 | 2.6 |
Cost of power in Silver Bow County
ENERGY & AI DEMAND →Estimated residential electricity price for Silver Bow County, customer-weighted across the utilities serving it (US EIA, 2025). Retail prices aren't published at the county level; this is a derived estimate.
- NorthWestern Energy LLC - (MT)14.4¢333,711 cust
Weighted by each utility's residential customer count (utilities report customers at the state level; a per-county share isn't published). Rising retail prices track a national demand surge; see energy & the data-center boom. What that adds up to each month, by state and utility: average electric bill.
Relatively High winter weather exposure · 1.9 hrs/yr of outages over the last decade.
Power outages in Silver Bow County: FAQ
- How often does Silver Bow County, MT lose power?
- Based on EAGLE-I records, Silver Bow County, MT logged 312 distinct outage events in 2025, averaging about 2.6 hours without power per customer over the year.
- What was the worst power outage in Silver Bow County, MT?
- The largest tracked outage peaked at 7,121 customers without power, beginning June 13, 2020 and lasting about 17h 30m.
- Is there a power outage in Silver Bow County, MT right now?
- Yes. As of October 19, 2026 21:35 UTC, about 5 customers are without power in Silver Bow County, MT across 1 reported incident. There is no live feed for Bonneville Power Administration and NorthWestern Energy, so outages in their service area aren't counted.
- Which utilities serve Silver Bow County, MT?
- Tracked electric providers include NorthWestern Energy, NorthWestern Energy LLC - (MT).
Outages are tracked at the county level; these ZIP codes fall within Silver Bow County.
59701, 59727, 59748, 59750
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported. Territory is filed by county, so these are the utilities with lines anywhere in Silver Bow County, not the one at a given address. All electric companies in Montana →
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| NorthWestern Energy LLC - (MT) | 2.1 hrs | Live · county | - |
| Bonneville Power Administration | - | No live feed | - |
| NorthWestern Energy | - | No live feed | - |
| Vigilante Electric Coop, Inc | - | Live · county | - |
Data from DOE/ORNL ODIN, DOE EAGLE-I, EIA Form 861 (utility reliability), EIA electricity retail prices and FEMA National Risk Index, every source we read. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Montana customers). Machine-readable data: /api/v1/counties/30093 and /api/v1/counties/30093/history. Live data as of .