Brown County, SD Power Outages
Utilities serving Brown 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.
Brown County on the South 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.
Brown County power outage history
Every significant outage recorded in Brown County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 64 significant power outages in Brown County, meaning events that left at least 1% of customers in the dark. The largest (Aug 29, 2023) left 6,685 customers (34.7% of the county) without power. NOAA recorded no major storm in the area at the time.
From 2018 to 2025, the average customer here lost about 2 hr of power per year, less than the South Dakota average of 3 hr 46 min. That ranks 50th of 65 South Dakota counties for outage time, where 1st has the most.
July is the riskiest month: it accounted for 28% of all customer outage time from 2018 to 2025. On 28 days in that period, at least 5% of customers were out at the same time. Outage time in Brown County has risen recently: about 2 hr 47 min per customer per year in 2022–2025, versus 58 min in 2018–2021.
The most recent significant outage on record (Dec 10, 2025) affected 1,687 customers (8.8%) amid high winds.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Aug 29, 2023 | 6,685(34.7%) | 1 | No major storm reported |
| 2 | Jul 3, 2022 | 6,204(32.2%) | 1 | Flooding |
| 3 | Jul 6, 2022 | 5,328(27.7%) | 1 | Flooding |
| 4 | Feb 16, 2021 | 3,279(17%) | 1 | Winter Storm Uri |
| 5 | May 23, 2023 | 3,268(17%) | 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 Brown County?
Electric companies with service territory in Brown County (EIA-861, 2025)
| Utility | Type | Customers (SD) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| NorthWestern Energy - (SD) | Investor Owned | 65,396 | Not reporting | |
| Montana-Dakota Utilities | Investor Owned | 9,554 | Not reporting | |
| Northern Electric Coop, Inc | Cooperative | 6,938 | Not reporting | |
| Lake Region Electric Assn, Inc - (SD) | Cooperative | 3,464 | Not reporting | |
| City of Groton - (SD) | Municipal | 737 | Not reporting | |
| City of Hecla | Municipal | 283 | 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 Brown County outage headlines in the past week.
Cities in Brown County
Aberdeen
Nearby counties
Brown County power outage FAQ
Is the power out in Brown County right now?
No outages are currently reported for Brown 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 Brown County?
According to EIA-861 service territory data, NorthWestern Energy - (SD), Montana-Dakota Utilities Co, Northern Electric Coop, Inc, Lake Region Electric Assn, Inc - (SD) and 3 others provide electric service in Brown County, South Dakota.
What was the worst power outage in Brown County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Aug 29, 2023. It peaked at 6,685 customers without power (34.7% of the county). NOAA storm reports for that period point to no major storm reported.
How often does the power go out in Brown County?
EAGLE-I has recorded 64 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 2 hr of power per year, and on 28 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. "Brown County, SD Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/south-dakota/brown-county