Yankton County, SD Power Outages
Utilities serving Yankton 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.
Yankton 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.
Yankton County power outage history
Every significant outage recorded in Yankton County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 51 significant power outages in Yankton County, meaning events that left at least 1% of customers in the dark. The largest (Jul 18, 2023) came when severe thunderstorms left 5,835 customers (48.9% of the county) without power.
From 2018 to 2025, the average customer here lost about 5 hr 32 min of power per year, more than the South Dakota average of 3 hr 46 min. That ranks 22nd of 65 South Dakota counties for outage time, where 1st has the most.
October is the riskiest month: it accounted for 48% of all customer outage time from 2018 to 2025. On 24 days in that period, at least 5% of customers were out at the same time. Outage time in Yankton County has fallen recently: about 1 hr 56 min per customer per year in 2022–2025, versus 10 hr 20 min in 2018–2021.
The most recent significant outage on record (Oct 16, 2025) affected 170 customers (1.4%).
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Jul 18, 2023 | 5,835(48.9%) | 1 | Severe thunderstorms |
| 2 | May 8, 2023 | 3,237(27.1%) | 1 | Flooding |
| 3 | Mar 5–6, 2022 | 3,235(27.1%) | 2 | Winter storm |
| 4 | Aug 16, 2023 | 2,187(18.3%) | 1 | Flooding |
| 5 | Feb 18, 2025 | 1,953(16.4%) | 1 | Extreme cold |
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 Yankton County?
Electric companies with service territory in Yankton County (EIA-861, 2025)
| Utility | Type | Customers (SD) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| NorthWestern Energy - (SD) | Investor Owned | 65,396 | Not reporting | |
| Southeastern Electric Coop Inc - (SD) | Cooperative | 24,550 | Not reporting | |
| Bon Homme Yankton El Assn, Inc | Cooperative | 4,190 | Not reporting | |
| Clay-Union Electric Corp | Cooperative | 3,917 | 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 Yankton County outage headlines in the past week.
Cities in Yankton County
Yankton
Nearby counties
Yankton County power outage FAQ
Is the power out in Yankton County right now?
No outages are currently reported for Yankton 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 Yankton County?
According to EIA-861 service territory data, NorthWestern Energy - (SD), Southeastern Electric Coop Inc - (SD), Bon Homme Yankton El Assn, Inc, Clay-Union Electric Corp and 1 others provide electric service in Yankton County, South Dakota.
What was the worst power outage in Yankton County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Jul 18, 2023. It peaked at 5,835 customers without power (48.9% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Yankton County?
EAGLE-I has recorded 51 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 5 hr 32 min of power per year, and on 24 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. "Yankton County, SD Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/south-dakota/yankton-county