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Power Outages in Washington County, WI

Wisconsin Electric Power Co publishes only a system-wide total, not county figures. There is no live feed for Hartford Electric and Slinger Utilities. In 2025, the average customer here lost power for about 7.2 hours.

Washington County, WI is served by 3 tracked utilities.

Cite this data
URL
https://massoutage.com/wisconsin/washington-county
As of
Not available
Publisher
MassOutage

MassOutage, "Power Outages in Washington County, WI". https://massoutage.com/wisconsin/washington-county

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Washington County, WI
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This county Loading live outagesout
No outages reported (partial view)

Wisconsin Electric Power Co publishes no county-level figures.

No live feed for Hartford Electric and Slinger Utilities: outages in theirservice area won't show here.

Live status by utility · Washington County

0.0%of this county's ~34,613 customers are served by utilities with a county-level live feed.

Blind spots

We can't see outages for: Hartford Electric, Slinger Utilities. Their customers are not in any number on this page; check their own outage maps.

System-wide total only, no county split: Wisconsin Electric Power Co.

UtilityFeedOutServed% outSmall outagesIncidentsUtility ETRAs of
Wisconsin Electric Power CoLive · total onlynot by county------
Hartford ElectricNo live feedcan't see------
Slinger UtilitiesNo live feedcan't see------

Electricity-dependent residents

HHS emPOWER · data October 7, 2026

Medicare beneficiaries in Washington 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
1,125
Oxygen service
281
Dialysis (facility)
128
Home health / hospice
200
By ZIP code (11)
ZIPPower-dependentVentilatorsO2 concentratorsHome dialysis
53095232≤11150≤11
53090167≤11123≤11
53027165≤11116≤11
53022129089≤11
5303788068≤11
5308677≤1156≤11
53040600410
53017460350
5303337026≤11
53076210≤110
5300221≤11150

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

🔔 Alerts for Washington County, WI

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

Get alerts for Washington CountySend updates to your dashboardRSS feed
◢ ACTIVE WEATHER ALERTS · NWS
  • Freeze WarningSEVERE
Recent NWS alert activity · Washington County

Washington County has been under 6 National Weather Service alerts recently, most recently a Freeze Warning on October 17, 2026.

  • Flood Watch ×2
  • Freeze Warning ×2
  • Freeze Watch ×1
  • Special Weather Statement ×1

Latest Washington County, WI outage updates

A running log of how this outage has changed, updated automatically as utilities report in.

  1. RESOLVED

    Power restored after 8d 3h

  2. OUTAGE BEGAN

    Outage began: 1,865 customers out (3.0% of the county)

  3. RESOLVED

    Power restored after 9m

  4. OUTAGE BEGAN

    Outage began: 1,363 customers out (2.2% of the county)

  5. RESOLVED

    Power restored after 2h 30m

  6. OUTAGE BEGAN

    Outage began: 1,035 customers out (1.7% of the county)

  7. RESOLVED

    Power restored after 55m

  8. OUTAGE BEGAN

    Outage began: 510 customers out (1.5% of the county)

Outage trend · Washington County, WI
0customers out · peak 46
Data as of Oct 15, 2026 00:30 UTC
Washington County, WI: customers without power, last 24 hoursPeak 46 customers out; latest 0 as of Oct 15, 2026 00:30 UTC. Each point is the highest reading in its interval.0204060Oct 146 AM12 PM6 PM
Use the arrow keys to read values.
Times in EDT. Shaded stretches had no reading.

Hardest-hit cities in Washington 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 Washington County went about 7.2 hours without power. Peak simultaneous outage on record reached 15,902 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 7.2 hrs.

A decade of outages (2015–2025)
avg hrs without power / customer
Washington County average outage hours per customer by year2015–2025: 2015 2.0h, 2016 3.2h, 2017 5.6h, 2018 4.9h, 2019 4.2h, 2020 4.4h, 2021 9.5h, 2022 10.3h, 2023 6.5h, 2024 8.4h, 2025 7.2h. Highlighted: 2022.0510152.0h20153.2h20165.6h20174.9h20184.2h20194.4h20209.5h202110.3h20226.5h20238.4h20247.2h2025
Use the arrow keys to read values.

Worst year here was 2022 (peak 10,619 customers out) · decade average 6.0 hrs without power per customer/yr.

YearOutage eventsPeak customers outAvg hrs/customer
20152563,8132.0
20164597,5753.2
201743415,9025.6
20183928,5054.9
20195008,3044.2
20205164,8024.4
202152310,3269.5
202251310,61910.3
202354210,1096.5
20245886,0858.4
20255705,8217.2

Cost of power in Washington County

ENERGY & AI DEMAND →

Estimated residential electricity price for Washington 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.

20.5¢/kWh
estimated residential average
▲ 32% 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
February 17, 201715,9021h 15m
November 5, 202210,6192d 13h
August 10, 202110,32620h
July 29, 202310,1093d 7h
August 6, 20218,8552h 30m
See the biggest power outages in US history →
Natural hazards & outage risk
ELEVATED

Relatively Moderate high winds exposure · 6.0 hrs/yr of outages over the last decade.

TornadoRelatively Moderate
Strong windRelatively Moderate
All hazard rankings →

Power outages in Washington County: FAQ

How often does Washington County, WI lose power?
Based on EAGLE-I records, Washington County, WI logged 570 distinct outage events in 2025, averaging about 7.2 hours without power per customer over the year.
What was the worst power outage in Washington County, WI?
The largest tracked outage peaked at 15,902 customers without power, beginning February 17, 2017 and lasting about 1h 15m.
Is there a power outage in Washington County, WI right now?
No major outage is currently reported for Washington County, WI. Live coverage depends on whether local utilities report to ODIN.
Which utilities serve Washington County, WI?
Tracked electric providers include Wisconsin Electric Power Co.
Nearby counties
Dodge CountyFond du Lac CountyMilwaukee CountyOzaukee County
ZIP codes in Washington County

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

53002, 53017, 53022, 53027, 53033, 53037, 53040, 53076, 53086, 53090, 53095

Electric providers serving this county

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

ProviderOfficial SAIDI (EIA)LiveReport outage
Wisconsin Electric Power Co3.1 hrsLive · total only-
Hartford Electric-No live feed-
Slinger Utilities-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/55131 and /api/v1/counties/55131/history.