Hamlin County, SD Power Outages
Only some utilities serving Hamlin County, South Dakota share live outage data (Sioux Valley SW Elec Coop), and none of them report outages here right now. NorthWestern Energy - (SD) and Otter Tail Power Co do not share live data, so check their outage maps for real-time status.
Hamlin 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.
Hamlin County power outage history
Every significant outage recorded in Hamlin County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 118 significant power outages in Hamlin County, meaning events that left at least 1% of customers in the dark. The largest (May 12–15, 2022) came when severe thunderstorms left 2,092 customers (95.7% of the county) without power.
From 2018 to 2025, the average customer here lost about 10 hr 58 min of power per year, more than the South Dakota average of 3 hr 46 min. That ranks 8th of 65 South Dakota counties for outage time, where 1st has the most.
May is the riskiest month: it accounted for 26% of all customer outage time from 2018 to 2025. On 96 days in that period, at least 5% of customers were out at the same time. Outage time in Hamlin County has held roughly steady recently: about 9 hr 51 min per customer per year in 2022–2025, versus 12 hr 5 min in 2018–2021.
The most recent significant outage on record (Dec 4, 2025) affected 511 customers (23.4%).
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | May 12–15, 2022 | 2,092(95.7%) | 4 | Severe thunderstorms |
| 2 | Aug 24–28, 2020 | 1,049(48%) | 5 | Severe thunderstorms |
| 3 | Jun 28–30, 2025 | 930(42.5%) | 3 | Flooding |
| 4 | Oct 29–30, 2024 | 913(41.7%) | 2 | Winter storm |
| 5 | Aug 26–27, 2021 | 741(33.9%) | 2 | Severe thunderstorms |
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 Hamlin County?
Electric companies with service territory in Hamlin County (EIA-861, 2025)
| Utility | Type | Customers (SD) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| NorthWestern Energy - (SD) | Investor Owned | 65,396 | Not reporting | |
| Sioux Valley SW Elec Coop | Cooperative | 26,620 | Reporting | |
| Otter Tail Power | Investor Owned | 12,464 | Not reporting | |
| H-D Electric Coop Inc | Cooperative | 3,873 | Not reporting | |
| Codington-Clark Elec Coop, Inc | Cooperative | 3,494 | Not reporting | |
| Kingsbury Electric Coop, Inc | Cooperative | 910 | Not reporting | |
| City of Estelline - (SD) | Municipal | 430 | Not reporting | |
| City of Bryant - (SD) | Municipal | 289 | 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 Hamlin County outage headlines in the past week.
Nearby counties
Hamlin County power outage FAQ
Is the power out in Hamlin County right now?
No outages are currently reported for Hamlin 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 Hamlin County?
According to EIA-861 service territory data, NorthWestern Energy - (SD), Sioux Valley SW Elec Coop, Otter Tail Power Co, H-D Electric Coop Inc and 5 others provide electric service in Hamlin County, South Dakota.
What was the worst power outage in Hamlin County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was May 12–15, 2022. It peaked at 2,092 customers without power (95.7% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Hamlin County?
EAGLE-I has recorded 118 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 10 hr 58 min of power per year, and on 96 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. "Hamlin County, SD Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/south-dakota/hamlin-county