Marshall County, SD Power Outages
Utilities serving Marshall County, South 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.
Marshall County on the South Dakota outage map
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Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Marshall County power outage history
Every significant outage recorded in Marshall County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 98 significant power outages in Marshall County, meaning events that left at least 1% of customers in the dark. The largest (Jul 27, 2023) came when extreme heat left 872 customers (34.8% of the county) without power.
From 2018 to 2025, the average customer here lost about 14 hr 54 min of power per year, more than the South Dakota average of 3 hr 46 min. That ranks 5th of 65 South Dakota counties for outage time, where 1st has the most.
September is the riskiest month: it accounted for 26% of all customer outage time from 2018 to 2025. On 75 days in that period, at least 5% of customers were out at the same time. Outage time in Marshall County has risen recently: about 22 hr 12 min per customer per year in 2022–2025, versus 5 hr 10 min in 2018–2021.
The most recent significant outage on record (Dec 18, 2025) affected 339 customers (13.5%) amid high winds.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Jul 27, 2023 | 872(34.8%) | 1 | Extreme heat |
| 2 | Apr 19, 2023 | 839(33.4%) | 1 | Flooding |
| 3 | Aug 21–22, 2020 | 834(33.2%) | 2 | Tornadoes |
| 4 | Aug 25, 2020 | 833(33.2%) | 1 | Hail and lightning |
| 5 | Apr 6–8, 2024 | 827(33%) | 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 Marshall County?
Electric companies with service territory in Marshall County (EIA-861, 2025)
| Utility | Type | Customers (SD) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| NorthWestern Energy - (SD) | Investor Owned | 65,396 | Not reporting | |
| Otter Tail Power | Investor Owned | 12,464 | Not reporting | |
| Northern Electric Coop, Inc | Cooperative | 6,938 | Not reporting | |
| Lake Region Electric Assn, Inc - (SD) | Cooperative | 3,464 | Not reporting | |
| Traverse Electric Coop, Inc | Cooperative | 1,060 | Not reporting | |
| Town of Langford- (SD) | Municipal | 191 | Not reporting | |
| WAPA-- Western Area Power Administration | Federal | 25 | Not reporting |
Customer counts are each utility's statewide total in South Dakota. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No Marshall County outage headlines in the past week.
Nearby counties
Marshall County power outage FAQ
Is the power out in Marshall County right now?
No outages are currently reported for Marshall 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 Marshall County?
According to EIA-861 service territory data, NorthWestern Energy - (SD), Otter Tail Power Co, Northern Electric Coop, Inc, Lake Region Electric Assn, Inc - (SD) and 3 others provide electric service in Marshall County, South Dakota.
What was the worst power outage in Marshall County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Jul 27, 2023. It peaked at 872 customers without power (34.8% of the county). NOAA storm reports for that period point to extreme heat.
How often does the power go out in Marshall County?
EAGLE-I has recorded 98 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 14 hr 54 min of power per year, and on 75 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. "Marshall County, SD Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/south-dakota/marshall-county