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Power Outages in Union County, SD

MidAmerican Energy Co has not reported outages here, but it only publishesactive outages, so that isn't a confirmed all-clear. Clay-Union Electric Corp, Southeastern Electric Coop Inc - (SD) and Union County Electric Coop Inc publish only a system-wide total, not county figures. There is no live feed for City of Beresford, City of Elk Point and WAPA-- Western Area Power Administration. In 2025, the average customer here lost power for about 7.3 hours.

Union County, SD is served by 7 tracked utilities.

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https://massoutage.com/south-dakota/union-county
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Not available
Publisher
MassOutage

MassOutage, "Power Outages in Union County, SD". https://massoutage.com/south-dakota/union-county

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Union County, SD
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This county Loading live outagesout
No outages reported (partial view)

MidAmerican Energy Co only appearsin feeds while reporting outages, so no report isn't a confirmed all-clear.

Clay-Union Electric Corp, Southeastern Electric Coop Inc - (SD) and Union County Electric Coop Inc publish no county-level figures.

No live feed for City of Beresford, City of Elk Point and WAPA-- Western Area Power Administration: outages in theirservice area won't show here.

Live status by utility · Union County

0.0%of this county's ~7,043 customers are served by utilities with a county-level live feed.

Blind spots

We can't see outages for: City of Beresford, City of Elk Point, WAPA-- Western Area Power Administration. Their customers are not in any number on this page; check their own outage maps.

Only visible while reporting outages: MidAmerican Energy Co. Zero here is not a confirmed all-clear.

System-wide total only, no county split: Clay-Union Electric Corp, Southeastern Electric Coop Inc - (SD), Union County Electric Coop Inc.

UtilityFeedOutServed% outSmall outagesIncidentsUtility ETRAs of
Clay-Union Electric CorpLive · total onlynot by county------
MidAmerican Energy CoOutages onlynone reported------
Southeastern Electric Coop Inc - (SD)Live · total onlynot by county------
Union County Electric Coop IncLive · total onlynot by county------
City of BeresfordNo live feedcan't see------
City of Elk PointNo live feedcan't see------
WAPA-- Western Area Power AdministrationNo live feedcan't see------

Electricity-dependent residents

HHS emPOWER · data October 7, 2026

Medicare beneficiaries in Union Countywho rely on electricity-dependent medical equipment (ventilators, oxygen concentrators, home dialysis, powered wheelchairs, and more). HHS reports counts of 1–10 as “≤11”. Medicare only, so the full at-risk population is larger.

Power-dependent
160
Oxygen service
55
Dialysis (facility)
33
Home health / hospice
55
By ZIP code (4)
ZIPPower-dependentVentilatorsO2 concentratorsHome dialysis
5704966≤1154≤11
5702531≤1128≤11
5700120≤1115≤11
57038130≤110

Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.

🔔 Alerts for Union County, SD

Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for Union County or any town and utility in it.

◢ ACTIVE WEATHER ALERTS · NWS

No active NWS alerts for Union County right now.

Recent NWS alert activity · Union County

Union County has been under 23 National Weather Service alerts recently, most recently a Freeze Warning on October 17, 2026.

  • Severe Thunderstorm Warning ×12
  • Dense Fog Advisory ×4
  • Flash Flood Warning ×3
  • Freeze Warning ×3
  • Freeze Watch ×1
Outage trend · Union County, SD
0customers out
Data as of Oct 15, 2026 00:30 UTC
Union County, SD: customers without power, last 24 hoursPeak 0 customers out; latest 0 as of Oct 15, 2026 00:30 UTC. Each point is the highest reading in its interval.00.30.50.81Oct 146 AM12 PM6 PM
Use the arrow keys to read values.
Times in EDT. Shaded stretches had no reading.

Hardest-hit cities in Union County

Where this event is concentrated across the county's towns and townships.

No cities on file for this county

Historical reliability

In 2025, the average customer in Union County went about 7.3 hours without power. Peak simultaneous outage on record reached 3,359 customers.

Official state benchmark (EIA 2025)Source: US EIA

The US EIA reports South Dakota utilities averaged 4.7 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 7.3 hrs.

A decade of outages (2015–2025)
avg hrs without power / customer
Union County average outage hours per customer by year2015–2025: 2015 0.3h, 2016 8.6h, 2017 1.4h, 2019 0.2h, 2020 1.7h, 2021 2.6h, 2022 3.5h, 2023 2.3h, 2024 5.5h, 2025 7.3h. Highlighted: 2016.02.557.5100.3h20158.6h20161.4h20170.2h20191.7h20202.6h20213.5h20222.3h20235.5h20247.3h2025
Use the arrow keys to read values.

Worst year here was 2016 (peak 3,359 customers out) · decade average 3.3 hrs without power per customer/yr.

YearOutage eventsPeak customers outAvg hrs/customer
2015352180.3
2016983,3598.6
2017725941.4
2019143140.2
20201092261.7
20211371,8432.6
20221532,1443.5
20231521,0822.3
20241561,8065.5
20251726507.3

Cost of power in Union County

ENERGY & AI DEMAND →

Estimated residential electricity price for Union County, customer-weighted across the utilities serving it (US EIA, 2025). Retail prices aren't published at the county level; this is a derived estimate.

9.5¢/kWh
estimated residential average
▲ 14% since 2015
vs South Dakota avg 15.4¢
vs US avg 20.0¢
BY UTILITY · RESIDENTIAL ¢/kWh

Weighted by each utility's residential customer count (utilities report customers at the state level; a per-county share isn't published). Rising retail prices track a national demand surge; see energy & the data-center boom.

Worst recorded outages
STARTEDPEAK OUTDURATION
September 6, 20163,3592h 30m
July 23, 20222,1443h 15m
October 3, 20211,8431h 15m
July 13, 20241,8061h 15m
July 11, 20161,78113h 15m
See the biggest power outages in US history →
Natural hazards & outage risk
ELEVATED

Relatively Moderate ice storms exposure · 3.3 hrs/yr of outages over the last decade.

TornadoRelatively Moderate
Ice stormRelatively Moderate
All hazard rankings →

Power outages in Union County: FAQ

How often does Union County, SD lose power?
Based on EAGLE-I records, Union County, SD logged 172 distinct outage events in 2025, averaging about 7.3 hours without power per customer over the year.
What was the worst power outage in Union County, SD?
The largest tracked outage peaked at 3,359 customers without power, beginning September 6, 2016 and lasting about 2h 30m.
Is there a power outage in Union County, SD right now?
No major outage is currently reported for Union County, SD. Live coverage depends on whether local utilities report to ODIN.
Which utilities serve Union County, SD?
Tracked electric providers include MidAmerican Energy Co.
ZIP codes in Union County

Outages are tracked at the county level; these ZIP codes fall within Union County.

57001, 57025, 57038, 57049

Electric providers serving this county

From EIA-861 service territory, with official reliability where reported.

ProviderOfficial SAIDI (EIA)LiveReport outage
MidAmerican Energy Co3.6 hrsOutages only-
WAPA-- Western Area Power Administration-No live feed-
Southeastern Electric Coop Inc - (SD)-Live · total only-
Clay-Union Electric Corp-Live · total only-
City of Beresford-No live feed-
City of Elk Point-No live feed-
Union County Electric Coop Inc-Live · total only-

Data from DOE/ORNL ODIN, DOE EAGLE-I, EIA Form 861 (utility reliability), EIA electricity retail prices and FEMA National Risk Index, every source we read. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of South Dakota customers). Machine-readable data: /api/v1/counties/46127 and /api/v1/counties/46127/history.