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Power Outages in Sauk County, WI

As of October 19, 2026 03:05 UTC, about 3 customers are without power in Sauk County, WI across 1 reported incident. There is no live feed for Alliant Energy (Interstate Power & Light), Reedsburg Utility Comm, Richland Electric Coop, Vernon Electric Coop, Village of Prairie Du Sac - (WI), Village of Sauk City - (WI) and Wisconsin Dells Electric Util, so outages in their service area aren't counted. In 2025, the average customer here lost power for about 0.9 hours.

Sauk County, WI is served by 10 tracked utilities.

Cite this data
URL
https://massoutage.com/wisconsin/sauk-county
As of
October 19, 2026 03:05 UTC
Publisher
MassOutage

MassOutage, "Power Outages in Sauk County, WI", live data as of October 19, 2026 03:05 UTC. https://massoutage.com/wisconsin/sauk-county

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Sauk County, WI
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This county Loading live outagesout
Scattered outages

3 customers without power

Across 1 reported incident.

Not counted: no live feed for Alliant Energy (Interstate Power & Light), Reedsburg Utility Comm, Richland Electric Coop, Vernon Electric Coop, Village of Prairie Du Sac - (WI), Village of Sauk City - (WI) and Wisconsin Dells Electric Util.

Live data as of

Live status by utility · Sauk County

49%of this county's ~61,745 customers are served by utilities with a county-level live feed.

Blind spots

We can't see outages for: Alliant Energy (Interstate Power & Light), Reedsburg Utility Comm, Richland Electric Coop, Vernon Electric Coop, Village of Prairie Du Sac - (WI), Village of Sauk City - (WI), Wisconsin Dells Electric Util. Their customers are not in any number on this page; check their own outage maps.

UtilityFeedOutServed% outSmall outagesIncidentsUtility ETRAs of
Wisconsin Power & Light CoLive · county327,0960.0%---
Oakdale Electric CoopLive · county01,6200.0%---
Adams-Columbia Electric CoopLive · county01,2330.0%---
Alliant Energy (Interstate Power & Light)No live feedcan't see------
Reedsburg Utility CommNo live feedcan't see------
Richland Electric CoopNo live feedcan't see------
Vernon Electric CoopNo live feedcan't see------
Village of Prairie Du Sac - (WI)No live feedcan't see------
Village of Sauk City - (WI)No live feedcan't see------
Wisconsin Dells Electric UtilNo live feedcan't see------

Wisconsin Power & Light Co, Oakdale Electric Coop and Adams-Columbia Electric Coop reportevery town in the county on each poll, so 0 out is a real all-clear. ETRs are the utility's own estimates.

Electricity-dependent residents

HHS emPOWER · data October 7, 2026

Medicare beneficiaries in Sauk 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
552
Oxygen service
174
Dialysis (facility)
126
Home health / hospice
130
By ZIP code (12)
ZIPPower-dependentVentilatorsO2 concentratorsHome dialysis
53913180≤11139≤11
53959117≤1191≤11
5358348≤11320
5358835≤11220
5394127021≤11
5357827≤11200
5395118≤11140
53561180150
53961≤110≤110
53943≤110≤110
53937≤110≤110
53577≤110≤110

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

🔔 Alerts for Sauk County, WI

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

◢ ACTIVE WEATHER ALERTS · NWS

No active NWS alerts for Sauk County right now.

Recent NWS alert activity · Sauk County

Sauk County has been under 9 National Weather Service alerts recently, most recently a Freeze Warning on October 17, 2026.

  • Freeze Warning ×3
  • Flood Watch ×2
  • Special Weather Statement ×2
  • Flood Advisory ×1
  • Freeze Watch ×1
Outage trend · Sauk County, WI
3customers out
Data as of Oct 19, 2026 03:00 UTC
Sauk County, WI: customers without power, last 24 hoursPeak 3 customers out; latest 3 as of Oct 19, 2026 03:00 UTC. Each point is the highest reading in its interval.0123Oct 186 AM12 PM6 PM
Use the arrow keys to read values.
Times in EDT. Shaded stretches had no reading.

Hardest-hit cities in Sauk County

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

Per-city live breakdown needs data

Live outage counts are tracked at the county level; a city-by-city split within Sauk Countyisn't available yet.

Historical reliability

In 2025, the average customer in Sauk County went about 0.9 hours without power. Peak simultaneous outage on record reached 9,935 customers.

Official state benchmark (EIA 2025)Source: US EIA

The US EIA reports Wisconsin utilities averaged 4.4 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 0.9 hrs.

A decade of outages (2015–2025)
avg hrs without power / customer
Sauk County average outage hours per customer by year2015–2025: 2015 0.7h, 2016 1.3h, 2017 1.5h, 2018 1.1h, 2019 1.0h, 2020 0.8h, 2021 1.0h, 2022 1.3h, 2023 1.9h, 2024 1.4h, 2025 0.9h. Highlighted: 2023.00.511.520.7h20151.3h20161.5h20171.1h20181.0h20190.8h20201.0h20211.3h20221.9h20231.4h20240.9h2025
Use the arrow keys to read values.

Worst year here was 2023 (peak 9,935 customers out) · decade average 1.2 hrs without power per customer/yr.

YearOutage eventsPeak customers outAvg hrs/customer
20156581,3160.7
20166655,5321.3
20176357,5861.5
20186691,3501.1
20196994,0611.0
20206602,9340.8
20216364,5511.0
20226285,8711.3
20236729,9351.9
20247081,9751.4
20257294,9320.9

Cost of power in Sauk County

ENERGY & AI DEMAND →

Estimated residential electricity price for Sauk 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.

15.3¢/kWh
estimated residential average
▲ 21% since 2015
vs Wisconsin avg 19.1¢
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
July 29, 20239,9352d 1h
December 5, 20177,58611h 45m
December 15, 20225,8711d 20h
June 10, 20165,53222h 30m
June 23, 20254,9321d 14h
See the biggest power outages in US history →
Natural hazards & outage risk
MODERATE

Relatively Moderate high winds exposure · 1.2 hrs/yr of outages over the last decade.

TornadoRelatively Moderate
Strong windRelatively Moderate
FloodingRelatively Moderate
All hazard rankings →

Power outages in Sauk County: FAQ

How often does Sauk County, WI lose power?
Based on EAGLE-I records, Sauk County, WI logged 729 distinct outage events in 2025, averaging about 0.9 hours without power per customer over the year.
What was the worst power outage in Sauk County, WI?
The largest tracked outage peaked at 9,935 customers without power, beginning July 29, 2023 and lasting about 2d 1h.
Is there a power outage in Sauk County, WI right now?
Yes, about 3 customers are currently without power across 1 reported incident(s).
Which utilities serve Sauk County, WI?
Tracked electric providers include Adams-Columbia Electric Coop, Alliant Energy (Interstate Power & Light), Oakdale Electric Coop, Wisconsin Power & Light Co.
ZIP codes in Sauk County

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

53561, 53577, 53578, 53583, 53588, 53913, 53937, 53940, 53941, 53942, 53943, 53951, 53959, 53961

Electric providers serving this county

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

ProviderOfficial SAIDI (EIA)LiveReport outage
Adams-Columbia Electric Coop1.8 hrsLive · county-
Oakdale Electric Coop2.0 hrsLive · county-
Alliant Energy (Interstate Power & Light)-No live feed-
Wisconsin Power & Light Co-Live · county-
Vernon Electric Coop-No live feed-
Richland Electric Coop-No live feed-
Wisconsin Dells Electric Util-No live feed-
Village of Sauk City - (WI)-No live feed-
Reedsburg Utility Comm-No live feed-
Village of Prairie Du Sac - (WI)-No live feed-

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 Wisconsin customers). Machine-readable data: /api/v1/counties/55111 and /api/v1/counties/55111/history. Live data as of .