Day County, SD Power Outages
Utilities serving Day 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.
Day County on the South Dakota outage map
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- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Day County power outage history
Every significant outage recorded in Day County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 90 significant power outages in Day County, meaning events that left at least 1% of customers in the dark. The largest (Apr 6–7, 2022) came when high winds left 2,407 customers (59.4% of the county) without power.
From 2018 to 2025, the average customer here lost about 8 hr 32 min of power per year, more than the South Dakota average of 3 hr 46 min. That ranks 13th of 65 South Dakota counties for outage time, where 1st has the most.
August is the riskiest month: it accounted for 25% of all customer outage time from 2018 to 2025. On 79 days in that period, at least 5% of customers were out at the same time. Outage time in Day County has risen recently: about 12 hr 58 min per customer per year in 2022–2025, versus 2 hr 37 min in 2018–2021.
The most recent significant outage on record (Dec 18, 2025) affected 448 customers (11.1%) amid high winds.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Apr 6–7, 2022 | 2,407(59.4%) | 2 | High winds |
| 2 | Dec 13–15, 2022 | 2,317(57.2%) | 3 | Winter storm |
| 3 | Feb 27, 2021 | 2,014(49.7%) | 1 | Winter storm |
| 4 | Nov 25–26, 2025 | 1,447(35.7%) | 2 | High winds |
| 5 | May 31, 2025 | 1,284(31.7%) | 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 Day County?
Electric companies with service territory in Day 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 | |
| Montana-Dakota Utilities | Investor Owned | 9,554 | Not reporting | |
| Northern Electric Coop, Inc | Cooperative | 6,938 | Not reporting | |
| Codington-Clark Elec Coop, Inc | Cooperative | 3,494 | Not reporting | |
| Lake Region Electric Assn, Inc - (SD) | Cooperative | 3,464 | 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 Day County outage headlines in the past week.
Day County power outage FAQ
Is the power out in Day County right now?
No outages are currently reported for Day 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 Day County?
According to EIA-861 service territory data, NorthWestern Energy - (SD), Otter Tail Power Co, Montana-Dakota Utilities Co, Northern Electric Coop, Inc and 3 others provide electric service in Day County, South Dakota.
What was the worst power outage in Day County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Apr 6–7, 2022. It peaked at 2,407 customers without power (59.4% of the county). NOAA storm reports for that period point to high winds.
How often does the power go out in Day County?
EAGLE-I has recorded 90 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 8 hr 32 min of power per year, and on 79 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. "Day County, SD Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/south-dakota/day-county