Teton County, MT Power Outages
Utilities serving Teton 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.
Teton County on the Montana outage map
- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Teton County power outage history
Every significant outage recorded in Teton County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 92 significant power outages in Teton County, meaning events that left at least 1% of customers in the dark. The largest (Jun 5, 2021) came when severe thunderstorms left 1,936 customers (94.4% of the county) without power.
From 2018 to 2025, the average customer here lost about 10 hr 49 min of power per year, more than the Montana average of 3 hr 56 min. That ranks 10th of 52 Montana counties for outage time, where 1st has the most.
February is the riskiest month: it accounted for 17% of all customer outage time from 2018 to 2025. On 108 days in that period, at least 5% of customers were out at the same time. Outage time in Teton County has fallen recently: about 6 hr 7 min per customer per year in 2022–2025, versus 20 hr 14 min in 2018–2021.
The most recent significant outage on record (Dec 17–18, 2025) affected 1,216 customers (59.3%) amid high winds.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Jun 5, 2021 | 1,936(94.4%) | 1 | Severe thunderstorms |
| 2 | May 20–23, 2021 | 1,436(70%) | 4 | Winter storm |
| 3 | Feb 1–6, 2020 | 1,429(69.7%) | 6 | High winds |
| 4 | Dec 1–2, 2021 | 1,401(68.3%) | 2 | High winds |
| 5 | Feb 19–21, 2020 | 1,251(61%) | 3 | High winds |
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 Teton County?
Electric companies with service territory in Teton County (EIA-861, 2025)
| Utility | Type | Customers (MT) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| NorthWestern Energy (Montana) | Investor Owned | 438,851 | Not reporting | |
| Sun River Electric Coop, Inc | Cooperative | 6,300 | Not reporting | |
| WAPA-- Western Area Power Administration | Federal | 16 | 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 Teton County outage headlines in the past week.
Nearby counties
Teton County power outage FAQ
Is the power out in Teton County right now?
No outages are currently reported for Teton 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 Teton County?
According to EIA-861 service territory data, NorthWestern Energy LLC - (MT), Sun River Electric Coop, Inc, WAPA-- Western Area Power Administration provide electric service in Teton County, Montana.
What was the worst power outage in Teton County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Jun 5, 2021. It peaked at 1,936 customers without power (94.4% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Teton County?
EAGLE-I has recorded 92 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 10 hr 49 min of power per year, and on 108 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. "Teton County, MT Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/montana/teton-county