Custer County, SD Power Outages
Utilities serving Custer 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.
Custer County on the South Dakota outage map
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Current outages
Weather alerts
- Wind AdvisoryModerate
Rapid City; Custer Co Plains; Pennington Co Plains; Northern Oglala Lakota; Sturgis/Piedmont Foothills; Southern Meade Co Plains; Hermosa Foothills
Until Nov 3, 7:00 AM EST · NWS Rapid City SD
Source: National Weather Service
Custer County power outage history
Every significant outage recorded in Custer County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 123 significant power outages in Custer County, meaning events that left at least 1% of customers in the dark. The largest (Dec 18–25, 2025) came when high winds left 5,295 customers (100% of the county) without power.
From 2018 to 2025, the average customer here lost about 11 hr 31 min of power per year, more than the South Dakota average of 3 hr 46 min. That ranks 7th of 65 South Dakota counties for outage time, where 1st has the most.
December is the riskiest month: it accounted for 67% of all customer outage time from 2018 to 2025. On 48 days in that period, at least 5% of customers were out at the same time. Outage time in Custer County has risen recently: about 18 hr 46 min per customer per year in 2022–2025, versus 4 hr 16 min in 2018–2021.
The most recent significant outage on record (Dec 30–31, 2025) affected 534 customers (11.9%) amid a winter storm.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Dec 18–25, 2025 | 5,295(100%) | 8 | High winds |
| 2 | Nov 13–14, 2025 | 4,910(100%) | 2 | No major storm reported |
| 3 | May 21–23, 2019 | 1,649(36.8%) | 3 | Flooding |
| 4 | Mar 13–15, 2021 | 1,564(34.9%) | 3 | Winter storm |
| 5 | Nov 30 – Dec 1, 2019 | 1,506(33.6%) | 2 | Winter storm |
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 Custer County?
Electric companies with service territory in Custer County (EIA-861, 2025)
| Utility | Type | Customers (SD) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Black Hills Power, Inc. | Investor Owned | 82,900 | Not reporting | |
| Black Hills Electric Coop, Inc | Cooperative | 11,478 | 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 Custer County outage headlines in the past week.
Custer County power outage FAQ
Is the power out in Custer County right now?
No outages are currently reported for Custer 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 Custer County?
According to EIA-861 service territory data, Black Hills Power, Inc., Black Hills Electric Coop, Inc, WAPA-- Western Area Power Administration provide electric service in Custer County, South Dakota.
What was the worst power outage in Custer County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Dec 18–25, 2025. It peaked at 5,295 customers without power (100% of the county). NOAA storm reports for that period point to high winds.
How often does the power go out in Custer County?
EAGLE-I has recorded 123 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 11 hr 31 min of power per year, and on 48 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. "Custer County, SD Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/south-dakota/custer-county