McCook County, SD Power Outages
Only some utilities serving McCook County, South Dakota share live outage data (Sioux Valley SW Elec Coop), and none of them report outages here right now. Northern States Power Co - Minnesota and Southeastern Electric Coop Inc - (SD) do not share live data, so check their outage maps for real-time status.
McCook 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.
McCook County power outage history
Every significant outage recorded in McCook County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 83 significant power outages in McCook County, meaning events that left at least 1% of customers in the dark. The largest (May 12–15, 2022) came when severe thunderstorms left 1,889 customers (60.9% of the county) without power.
From 2018 to 2025, the average customer here lost about 9 hr 28 min of power per year, more than the South Dakota average of 3 hr 46 min. That ranks 10th of 65 South Dakota counties for outage time, where 1st has the most.
May is the riskiest month: it accounted for 40% of all customer outage time from 2018 to 2025. On 44 days in that period, at least 5% of customers were out at the same time. Outage time in McCook County has risen recently: about 11 hr 35 min per customer per year in 2022–2025, versus 7 hr 22 min in 2018–2021.
The most recent significant outage on record (Nov 25, 2025) affected 376 customers (12.1%) amid high winds.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | May 12–15, 2022 | 1,889(60.9%) | 4 | Severe thunderstorms |
| 2 | Jun 12, 2025 | 1,715(55.3%) | 1 | Hail and lightning |
| 3 | May 30–31, 2022 | 1,281(41.3%) | 2 | Severe thunderstorms |
| 4 | May 21, 2024 | 1,234(39.8%) | 1 | High winds |
| 5 | Dec 26, 2024 | 1,183(38.1%) | 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 McCook County?
Electric companies with service territory in McCook County (EIA-861, 2025)
| Utility | Type | Customers (SD) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Xcel Energy (Minnesota, North Dakota, South Dakota) | Investor Owned | 107,985 | Not reporting | |
| Sioux Valley SW Elec Coop | Cooperative | 26,620 | Reporting | |
| Southeastern Electric Coop Inc - (SD) | Cooperative | 24,550 | 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 McCook County outage headlines in the past week.
Nearby counties
McCook County power outage FAQ
Is the power out in McCook County right now?
No outages are currently reported for McCook 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 McCook County?
According to EIA-861 service territory data, Northern States Power Co - Minnesota, Sioux Valley SW Elec Coop, Southeastern Electric Coop Inc - (SD), WAPA-- Western Area Power Administration provide electric service in McCook County, South Dakota.
What was the worst power outage in McCook County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was May 12–15, 2022. It peaked at 1,889 customers without power (60.9% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in McCook County?
EAGLE-I has recorded 83 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 9 hr 28 min of power per year, and on 44 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. "McCook County, SD Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/south-dakota/mccook-county