Sheridan County, WY Power Outages
As of Nov 3, 2:00 AM EST, 5 customers in Sheridan County, Wyoming were without power, reported by Powder River Energy Corp.
Sheridan County on the Wyoming outage map
- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
Current outages
| Utility | Customers out |
|---|---|
| Powder River Energy Corp | 5 |
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 109 significant power outages in Sheridan County, meaning events that left at least 1% of customers in the dark. The largest (Nov 13–14, 2025) came when high winds left 12,017 customers (68.2% of the county) without power.
From 2018 to 2025, the average customer here lost about 2 hr 31 min of power per year, close to the Wyoming average of 2 hr 19 min. That ranks 12th of 23 Wyoming counties for outage time, where 1st has the most.
November is the riskiest month: it accounted for 16% of all customer outage time from 2018 to 2025. On 22 days in that period, at least 5% of customers were out at the same time. Outage time in Sheridan County has risen recently: about 3 hr 19 min per customer per year in 2022–2025, versus 1 hr 44 min in 2018–2021.
The most recent significant outage on record (Dec 18–22, 2025) affected 1,045 customers (5.9%) amid high winds.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Nov 13–14, 2025 | 12,017(68.2%) | 2 | High winds |
| 2 | Sep 10–11, 2022 | 4,930(28%) | 2 | Wildfire |
| 3 | Feb 16, 2023 | 3,907(22.2%) | 1 | Winter storm |
| 4 | Apr 23, 2022 | 3,262(18.5%) | 1 | Winter storm |
| 5 | Sep 26, 2023 | 3,176(18%) | 1 | No major storm reported |
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 (WY) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Powder River Energy Corp | Cooperative | 27,766 | 5 out | |
| Montana-Dakota Utilities | Investor Owned | 18,396 | Not reporting | |
| Big Horn Rural Electric Co | Cooperative | 4,136 | Not reporting | |
| Big Horn County Elec Coop, Inc | Cooperative | 310 | Not reporting |
Customer counts are each utility's statewide total in Wyoming. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No Sheridan County outage headlines in the past week.
Cities in Sheridan County
Sheridan
Nearby counties
Sheridan County power outage FAQ
Is the power out in Sheridan County right now?
Yes. As of Nov 3, 2:00 AM EST, 5 customers in Sheridan County were without power according to Powder River Energy Corp.
Which electric company serves Sheridan County?
According to EIA-861 service territory data, Powder River Energy Corp, Montana-Dakota Utilities Co, Big Horn Rural Electric Co, Big Horn County Elec Coop, Inc provide electric service in Sheridan County, Wyoming.
What was the worst power outage in Sheridan County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Nov 13–14, 2025. It peaked at 12,017 customers without power (68.2% of the county). NOAA storm reports for that period point to high winds.
How often does the power go out in Sheridan County?
EAGLE-I has recorded 109 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 2 hr 31 min of power per year, and on 22 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, WY Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/wyoming/sheridan-county