Sioux County, ND Power Outages
Utilities serving Sioux County, North Dakota 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.
Sioux County on the North Dakota outage map
- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Sioux County power outage history
Every significant outage recorded in Sioux County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 14 significant power outages in Sioux County, meaning events that left at least 1% of customers in the dark. The largest (Jun 28, 2019) came when severe thunderstorms left 92 customers (3.6% of the county) without power.
From 2018 to 2025, the average customer here lost about 10 min of power per year, less than the North Dakota average of 1 hr 53 min. That ranks 52nd of 52 North Dakota counties for outage time, where 1st has the most.
August is the riskiest month: it accounted for 27% of all customer outage time from 2018 to 2025.
The most recent significant outage on record (Sep 5, 2023) affected 80 customers (3.1%) amid severe thunderstorms.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Jun 28, 2019 | 92(3.6%) | 1 | Severe thunderstorms |
| 2 | Oct 14, 2021 | 92(3.6%) | 1 | Winter storm |
| 3 | Jan 13, 2021 | 91(3.6%) | 1 | High winds |
| 4 | Jun 19, 2020 | 90(3.5%) | 1 | Severe thunderstorms |
| 5 | Aug 12–14, 2020 | 89(3.5%) | 3 | Severe thunderstorms |
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 Sioux County?
Electric companies with service territory in Sioux County (EIA-861, 2025)
| Utility | Type | Customers (ND) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Montana-Dakota Utilities | Investor Owned | 100,446 | Not reporting | |
| Mor-Gran-Sou Electric Coop Inc | Cooperative | 10,441 | Not reporting |
Customer counts are each utility's statewide total in North Dakota. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No Sioux County outage headlines in the past week.
Nearby counties
Sioux County power outage FAQ
Is the power out in Sioux County right now?
No outages are currently reported for Sioux 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 Sioux County?
According to EIA-861 service territory data, Montana-Dakota Utilities Co, Mor-Gran-Sou Electric Coop Inc provide electric service in Sioux County, North Dakota.
What was the worst power outage in Sioux County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Jun 28, 2019. It peaked at 92 customers without power (3.6% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Sioux County?
EAGLE-I has recorded 14 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 10 min of power per year.
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "Sioux County, ND Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/north-dakota/sioux-county