Sheridan County, MT Power Outages
Utilities serving Sheridan 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.
Sheridan 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.
Sheridan County power outage history
Every significant outage recorded in Sheridan County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 41 significant power outages in Sheridan County, meaning events that left at least 1% of customers in the dark. The largest (Jul 24, 2020) came when severe thunderstorms left 1,246 customers (70.6% of the county) without power.
From 2018 to 2025, the average customer here lost about 4 hr 20 min of power per year, close to the Montana average of 3 hr 56 min. That ranks 27th of 52 Montana counties for outage time, where 1st has the most.
July is the riskiest month: it accounted for 64% of all customer outage time from 2018 to 2025. On 27 days in that period, at least 5% of customers were out at the same time. Outage time in Sheridan County has fallen recently: about 1 hr 4 min per customer per year in 2022–2025, versus 7 hr 37 min in 2018–2021.
The most recent significant outage on record (Nov 25, 2025) affected 94 customers (5.3%) amid a winter storm.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Jul 24, 2020 | 1,246(70.6%) | 1 | Severe thunderstorms |
| 2 | Jun 11, 2020 | 1,205(68.2%) | 1 | No major storm reported |
| 3 | Jul 10–11, 2018 | 1,194(67.6%) | 2 | Severe thunderstorms |
| 4 | Jan 14, 2021 | 991(56.1%) | 1 | High winds |
| 5 | Mar 23, 2017 | 649(36.7%) | 1 | Flooding |
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 Sheridan County?
Electric companies with service territory in Sheridan County (EIA-861, 2025)
| Utility | Type | Customers (MT) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Montana-Dakota Utilities | Investor Owned | 27,906 | Not reporting | |
| Sheridan Electric Coop, Inc | Cooperative | 3,765 | 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 Sheridan County outage headlines in the past week.
Nearby counties
Sheridan County power outage FAQ
Is the power out in Sheridan County right now?
No outages are currently reported for Sheridan 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 Sheridan County?
According to EIA-861 service territory data, Montana-Dakota Utilities Co, Sheridan Electric Coop, Inc provide electric service in Sheridan County, Montana.
What was the worst power outage in Sheridan County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Jul 24, 2020. It peaked at 1,246 customers without power (70.6% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Sheridan County?
EAGLE-I has recorded 41 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 4 hr 20 min of power per year, and on 27 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. "Sheridan County, MT Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/montana/sheridan-county