Power Outages in Sweet Grass County, MT
Beartooth Electric Coop, Inc, Fergus Electric Coop, Inc and NorthWestern Energy LLC - (MT) publish only a system-wide total, not county figures. There is no live feed for Park Electric Coop Inc. In 2025, the average customer here lost power for about 11.4 hours.
Sweet Grass County, MT is served by 4 tracked utilities.
Cite this data
- URL
- https://massoutage.com/montana/sweet-grass-county
- As of
- Not available
- Publisher
- MassOutage
MassOutage, "Power Outages in Sweet Grass County, MT". https://massoutage.com/montana/sweet-grass-county
Beartooth Electric Coop, Inc, Fergus Electric Coop, Inc and NorthWestern Energy LLC - (MT) publish no county-level figures.
No live feed for Park Electric Coop Inc: outages in itsservice area won't show here.
0.0%of this county's ~2,172 customers are served by utilities with a county-level live feed.
We can't see outages for: Park Electric Coop Inc. Their customers are not in any number on this page; check their own outage maps.
System-wide total only, no county split: Beartooth Electric Coop, Inc, Fergus Electric Coop, Inc, NorthWestern Energy LLC - (MT).
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Beartooth Electric Coop, Inc | Live · total only | not by county | - | - | - | - | - | - |
| Fergus Electric Coop, Inc | Live · total only | not by county | - | - | - | - | - | - |
| NorthWestern Energy LLC - (MT) | Live · total only | not by county | - | - | - | - | - | - |
| Park Electric Coop Inc | No live feed | can't see | - | - | - | - | - | - |
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Sweet Grass 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 (3)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 59011 | 66 | ≤11 | 56 | 0 |
| 59055 | ≤11 | 0 | ≤11 | 0 |
| 59033 | ≤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 Sweet Grass County or any town and utility in it.
No active NWS alerts for Sweet Grass County right now.
Sweet Grass County has been under 24 National Weather Service alerts recently, most recently a Winter Storm Warning on October 11, 2026.
- Flood Watch ×5
- Winter Storm Warning ×5
- Winter Weather Advisory ×3
- Red Flag Warning ×3
- Flash Flood Warning ×2
- Dense Fog Advisory ×2
Hardest-hit cities in Sweet Grass County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Sweet Grass County went about 11.4 hours without power. Peak simultaneous outage on record reached 1,612 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 11.4 hrs.
Worst year here was 2025 (peak 1,612 customers out) · decade average 7.1 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2020 | 96 | 575 | 7.1 |
| 2021 | 87 | 1,314 | 8.1 |
| 2022 | 108 | 293 | 6.2 |
| 2023 | 93 | 297 | 4.7 |
| 2024 | 105 | 522 | 5.0 |
| 2025 | 101 | 1,612 | 11.4 |
Cost of power in Sweet Grass County
ENERGY & AI DEMAND →Estimated residential electricity price for Sweet Grass 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
- Fergus Electric Coop, Inc15.9¢6,855 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.
Relatively Low wildfire exposure · 7.1 hrs/yr of outages over the last decade.
Power outages in Sweet Grass County: FAQ
- How often does Sweet Grass County, MT lose power?
- Based on EAGLE-I records, Sweet Grass County, MT logged 101 distinct outage events in 2025, averaging about 11.4 hours without power per customer over the year.
- What was the worst power outage in Sweet Grass County, MT?
- The largest tracked outage peaked at 1,612 customers without power, beginning December 17, 2025 and lasting about 3d.
- Is there a power outage in Sweet Grass County, MT right now?
- No major outage is currently reported for Sweet Grass County, MT. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Sweet Grass County, MT?
- Tracked electric providers include NorthWestern Energy LLC - (MT).
Outages are tracked at the county level; these ZIP codes fall within Sweet Grass County.
59011, 59033, 59052, 59055
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| NorthWestern Energy LLC - (MT) | 2.1 hrs | Live · total only | - |
| Fergus Electric Coop, Inc | - | Live · total only | - |
| Beartooth Electric Coop, Inc | - | Live · total only | - |
| Park Electric Coop Inc | - | No live feed | - |
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/30097 and /api/v1/counties/30097/history.