Power Outages in Teton County, MT
As of October 15, 2026 00:30 UTC, about 3 customers are without power in Teton County, MT across 1 reported incident. NorthWestern Energy LLC - (MT) and Sun River Electric Coop, Inc publish only a system-wide total, not county figures. There is no live feed for WAPA-- Western Area Power Administration, so outages in their service area aren't counted. In 2025, the average customer here lost power for about 4.2 hours.
Teton County, MT is served by 3 tracked utilities.
Cite this data
- URL
- https://massoutage.com/montana/teton-county
- As of
- October 15, 2026 00:30 UTC
- Publisher
- MassOutage
MassOutage, "Power Outages in Teton County, MT", live data as of October 15, 2026 00:30 UTC. https://massoutage.com/montana/teton-county
Not counted: no live feed for WAPA-- Western Area Power Administration.
0.0%of this county's ~2,397 customers are served by utilities with a county-level live feed.
We can't see outages for: WAPA-- Western Area Power Administration. Their customers are not in any number on this page; check their own outage maps.
System-wide total only, no county split: NorthWestern Energy LLC - (MT), Sun River Electric Coop, Inc.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| NorthWestern Energy LLC - (MT) | Live · total only | not by county | - | - | - | - | - | - |
| Sun River Electric Coop, Inc | Live · total only | not by county | - | - | - | - | - | - |
| WAPA-- Western Area Power Administration | No live feed | can't see | - | - | - | - | - | - |
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Teton 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 (6)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 59422 | 70 | ≤11 | 56 | 0 |
| 59436 | 40 | ≤11 | 35 | ≤11 |
| 59433 | 13 | 0 | 12 | 0 |
| 59468 | ≤11 | ≤11 | ≤11 | 0 |
| 59467 | ≤11 | 0 | ≤11 | 0 |
| 59419 | ≤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 Teton County or any town and utility in it.
No active NWS alerts for Teton County right now.
Teton County has been under 26 National Weather Service alerts recently, most recently a High Wind Warning on October 18, 2026.
- High Wind Warning ×7
- Special Weather Statement ×7
- Winter Storm Warning ×7
- Dense Fog Advisory ×2
- High Wind Watch ×2
- Winter Storm Watch ×1
Latest Teton County, MT outage updates
A running log of how this outage has changed, updated automatically as utilities report in.
- RESOLVED
Power restored after 2h 5m
- OUTAGE BEGAN
Outage began: 167 customers out (7.1% of the county)
Hardest-hit cities in Teton 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 Teton Countyisn't available yet.
Historical reliability
In 2025, the average customer in Teton County went about 4.2 hours without power. Peak simultaneous outage on record reached 1,936 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 4.2 hrs.
Worst year here was 2020 (peak 1,429 customers out) · decade average 10.8 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2020 | 159 | 1,429 | 22.9 |
| 2021 | 116 | 1,936 | 17.6 |
| 2022 | 130 | 621 | 5.5 |
| 2023 | 103 | 918 | 4.4 |
| 2024 | 117 | 578 | 10.3 |
| 2025 | 110 | 1,216 | 4.2 |
Cost of power in Teton County
ENERGY & AI DEMAND →Estimated residential electricity price for Teton 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.
Relatively Moderate winter weather exposure · 10.8 hrs/yr of outages over the last decade.
Power outages in Teton County: FAQ
- How often does Teton County, MT lose power?
- Based on EAGLE-I records, Teton County, MT logged 110 distinct outage events in 2025, averaging about 4.2 hours without power per customer over the year.
- What was the worst power outage in Teton County, MT?
- The largest tracked outage peaked at 1,936 customers without power, beginning June 5, 2021 and lasting about 13h.
- Is there a power outage in Teton County, MT right now?
- Yes, about 3 customers are currently without power across 1 reported incident(s).
- Which utilities serve Teton County, MT?
- Tracked electric providers include NorthWestern Energy LLC - (MT), Sun River Electric Coop, Inc.
Outages are tracked at the county level; these ZIP codes fall within Teton County.
59419, 59422, 59433, 59436, 59467, 59468
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 | - |
| WAPA-- Western Area Power Administration | - | No live feed | - |
| Sun River Electric Coop, Inc | - | Live · total only | - |
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/30099 and /api/v1/counties/30099/history. Live data as of .