Clark County, SD Power Outages
Utilities serving Clark 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.
Clark 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.
Clark County power outage history
Every significant outage recorded in Clark County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 47 significant power outages in Clark County, meaning events that left at least 1% of customers in the dark. The largest (Jun 11, 2025) came when hail and lightning left 1,953 customers (100% of the county) without power.
From 2018 to 2025, the average customer here lost about 5 hr 28 min of power per year, more than the South Dakota average of 3 hr 46 min. That ranks 24th of 65 South Dakota counties for outage time, where 1st has the most.
July is the riskiest month: it accounted for 27% of all customer outage time from 2018 to 2025. On 38 days in that period, at least 5% of customers were out at the same time. Outage time in Clark County has held roughly steady recently: about 5 hr 47 min per customer per year in 2022–2025, versus 5 hr 4 min in 2018–2021.
The most recent significant outage on record (Dec 25, 2025) affected 309 customers (19.5%).
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Jun 11, 2025 | 1,953(100%) | 1 | Hail and lightning |
| 2 | Apr 14, 2025 | 1,339(84.4%) | 1 | High winds |
| 3 | Dec 10, 2025 | 1,283(80.8%) | 1 | High winds |
| 4 | Dec 13–15, 2022 | 831(52.4%) | 3 | Winter storm |
| 5 | May 13, 2022 | 676(42.6%) | 1 | Tornadoes |
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 Clark County?
Electric companies with service territory in Clark County (EIA-861, 2025)
| Utility | Type | Customers (SD) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| NorthWestern Energy - (SD) | Investor Owned | 65,396 | Not reporting | |
| Northern Electric Coop, Inc | Cooperative | 6,938 | 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 | |
| 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 Clark County outage headlines in the past week.
Nearby counties
Clark County power outage FAQ
Is the power out in Clark County right now?
No outages are currently reported for Clark 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 Clark County?
According to EIA-861 service territory data, NorthWestern Energy - (SD), Northern Electric Coop, Inc, H-D Electric Coop Inc, Codington-Clark Elec Coop, Inc and 2 others provide electric service in Clark County, South Dakota.
What was the worst power outage in Clark County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Jun 11, 2025. It peaked at 1,953 customers without power (100% of the county). NOAA storm reports for that period point to hail and lightning.
How often does the power go out in Clark County?
EAGLE-I has recorded 47 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 5 hr 28 min of power per year, and on 38 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. "Clark County, SD Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/south-dakota/clark-county