Power Outages in Yellowstone County, MT
As of October 19, 2026 12:50 UTC, about 1 customers are without power in Yellowstone County, MT across 1 reported incident. There is no live feed for Mid-Yellowstone Elec Coop, Inc, NorthWestern Energy and WAPA-- Western Area Power Administration, so outages in their service area aren't counted. In 2025, the average customer here lost power for about 2.8 hours.
Yellowstone County, MT is served by 6 tracked utilities.
Cite this data
- URL
- https://massoutage.com/montana/yellowstone-county
- As of
- October 19, 2026 12:50 UTC
- Publisher
- MassOutage
MassOutage, "Power Outages in Yellowstone County, MT", live data as of October 19, 2026 12:50 UTC. https://massoutage.com/montana/yellowstone-county
Not counted: no live feed for Mid-Yellowstone Elec Coop, Inc, NorthWestern Energy and WAPA-- Western Area Power Administration.
28%of this county's ~79,201 customers are served by utilities with a county-level live feed.
We can't see outages for: Mid-Yellowstone Elec Coop, Inc, NorthWestern Energy, WAPA-- Western Area Power Administration. 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 |
|---|---|---|---|---|---|---|---|---|
| Yellowstone Valley Elec Co-op | Live · county | 1 | 22,327 | 0.0% | - | - | - | |
| Fergus Electric Coop, Inc | Live · county | 0 | 99 | 0.0% | - | - | - | |
| NorthWestern Energy LLC - (MT) | Live · county | 0 | - | - | - | 0 | - | |
| Mid-Yellowstone Elec Coop, Inc | No live feed | can't see | - | - | - | - | - | - |
| NorthWestern Energy | No live feed | can't see | - | - | - | - | - | - |
| WAPA-- Western Area Power Administration | No live feed | can't see | - | - | - | - | - | - |
Yellowstone Valley Elec Co-op, Fergus 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.
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Yellowstone 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 (13)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 59102 | 764 | ≤11 | 633 | ≤11 |
| 59101 | 554 | ≤11 | 477 | ≤11 |
| 59105 | 454 | ≤11 | 381 | ≤11 |
| 59106 | 230 | ≤11 | 195 | 0 |
| 59044 | 209 | ≤11 | 182 | 0 |
| 59079 | 37 | 0 | 29 | 0 |
| 59037 | 37 | 0 | 30 | 0 |
| 59088 | 28 | 0 | 23 | 0 |
| 59006 | 15 | 0 | 14 | 0 |
| 59064 | ≤11 | 0 | ≤11 | 0 |
| 59024 | ≤11 | 0 | ≤11 | 0 |
| 59015 | ≤11 | 0 | ≤11 | 0 |
| 59002 | ≤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 Yellowstone County or any town and utility in it.
No active NWS alerts for Yellowstone County right now.
Yellowstone County has been under 11 National Weather Service alerts recently, most recently a Special Weather Statement on September 23, 2026.
- Flood Watch ×8
- Dense Fog Advisory ×2
- Special Weather Statement ×1
Latest Yellowstone County, MT outage updates
A running log of how this outage has changed, updated automatically as utilities report in.
- RESOLVED
Power restored after 2h 24m
- OUTAGE BEGAN
Outage began: 852 customers out (1.1% of the county)
- RESOLVED
Power restored after 6h 55m
- IMPROVING
Improving: down to 257 customers out
- IMPROVING
Improving: down to 631 customers out
- GREW
Outage grew to 1,083 customers out (1.4% of the county)
- OUTAGE BEGAN
Outage began: 640 customers out (0.8% of the county)
Hardest-hit cities in Yellowstone 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 Yellowstone Countyisn't available yet.
Historical reliability
In 2025, the average customer in Yellowstone County went about 2.8 hours without power. Peak simultaneous outage on record reached 14,848 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 2.8 hrs.
Worst year here was 2024 (peak 14,848 customers out) · decade average 2.1 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2019 | 4 | 8 | 0.0 |
| 2020 | 577 | 5,853 | 2.5 |
| 2021 | 624 | 2,153 | 1.6 |
| 2022 | 640 | 7,375 | 2.1 |
| 2023 | 619 | 3,149 | 1.4 |
| 2024 | 652 | 14,848 | 3.9 |
| 2025 | 662 | 7,083 | 2.8 |
Cost of power in Yellowstone County
ENERGY & AI DEMAND →Estimated residential electricity price for Yellowstone 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
- Yellowstone Valley Elec Co-op14.2¢21,471 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.
Very High winter weather exposure · 2.1 hrs/yr of outages over the last decade.
Power outages in Yellowstone County: FAQ
- How often does Yellowstone County, MT lose power?
- Based on EAGLE-I records, Yellowstone County, MT logged 662 distinct outage events in 2025, averaging about 2.8 hours without power per customer over the year.
- What was the worst power outage in Yellowstone County, MT?
- The largest tracked outage peaked at 14,848 customers without power, beginning August 6, 2024 and lasting about 5d 20h.
- Is there a power outage in Yellowstone County, MT right now?
- Yes, about 1 customers are currently without power across 1 reported incident(s).
- Which utilities serve Yellowstone County, MT?
- Tracked electric providers include NorthWestern Energy, NorthWestern Energy LLC - (MT), Yellowstone Valley Elec Co-op.
Billings. Outage counts for these communities are reported at the Yellowstone County level shown above.
Outages are tracked at the county level; these ZIP codes fall within Yellowstone County.
59002, 59006, 59015, 59024, 59037, 59044, 59079, 59088, 59101, 59102, 59105, 59106
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 · county | - |
| WAPA-- Western Area Power Administration | - | No live feed | - |
| NorthWestern Energy | - | No live feed | - |
| Fergus Electric Coop, Inc | - | Live · county | - |
| Yellowstone Valley Elec Co-op | - | Live · county | - |
| Mid-Yellowstone Elec 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/30111 and /api/v1/counties/30111/history. Live data as of .