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Power Outages in Cass County, IA

Is there a power outage in Cass County, IA right now? None reported. As of October 19, 2026 21:55 UTC, no outages are reported by Interstate Power and Light Co, Farmers Electric Coop, Inc - (IA), Nishnabotna Valley R E C, Southwest Iowa Rural Elec Coop, Guthrie County Rural E C A and MidAmerican Energy Co in Cass County, IA. There is no live feed for Alliant Energy (Interstate Power & Light), Atlantic Municipal Utilities (IA), City of Anita - (IA), WAPA-- Western Area Power Administration and Waverly Municipal Elec Utility.

Cass County, IA is served by 11 tracked utilities. In 2025, the average customer here lost power for about 1.4 hours.

Cite this data
URL
https://massoutage.com/iowa/cass-county
As of
October 19, 2026 21:55 UTC
Publisher
MassOutage

MassOutage, "Power Outages in Cass County, IA", live data as of October 19, 2026 21:55 UTC. https://massoutage.com/iowa/cass-county

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Cass County, IA
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No outages reported

No active outages are reported by Interstate Power and Light Co, Farmers Electric Coop, Inc - (IA), Nishnabotna Valley R E C, Southwest Iowa Rural Elec Coop, Guthrie County Rural E C A and MidAmerican Energy Co in Cass County.

No live feed for Alliant Energy (Interstate Power & Light), Atlantic Municipal Utilities (IA), City of Anita - (IA), WAPA-- Western Area Power Administration and Waverly Municipal Elec Utility: outages in theirservice area won't show here.

Report an outage in Cass County, IA

Report it to your electric utility; MassOutage can't take reports. For a downed line, stay at least 35 feet away and call 911.

No outage contact on file for MidAmerican Energy Co, WAPA-- Western Area Power Administration, Interstate Power and Light Co, Alliant Energy (Interstate Power & Light), Southwest Iowa Rural Elec Coop, Waverly Municipal Elec Utility and 5 more; check your electric bill or the utility's website.

Not sure which utility serves you? →

Live status by utility · Cass County

20%of this county's ~9,715 customers are served by utilities with a county-level live feed.

Blind spots

We can't see outages for: Alliant Energy (Interstate Power & Light), Atlantic Municipal Utilities (IA), City of Anita - (IA), WAPA-- Western Area Power Administration, Waverly Municipal Elec Utility. Their customers are not in any number on this page; check their own outage maps.

UtilityFeedOutServed% outSmall outagesIncidentsUtility ETRAs of
Interstate Power and Light CoLive · county09340.0%---
Farmers Electric Coop, Inc - (IA)Live · county05900.0%---
Nishnabotna Valley R E CLive · county01990.0%---
Southwest Iowa Rural Elec CoopLive · county01750.0%---
Guthrie County Rural E C ALive · county0---0-
MidAmerican Energy CoLive · county0---0-
Alliant Energy (Interstate Power & Light)No live feedcan't see------
Atlantic Municipal Utilities (IA)No live feedcan't see------
City of Anita - (IA)No live feedcan't see------
WAPA-- Western Area Power AdministrationNo live feedcan't see------
Waverly Municipal Elec UtilityNo live feedcan't see------

Interstate Power and Light Co, Farmers Electric Coop, Inc - (IA), Nishnabotna Valley R E C, Southwest Iowa Rural Elec Coop, Guthrie County Rural E C A and MidAmerican Energy Co 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 Cass 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
220
Oxygen service
92
Dialysis (facility)
≤11
Home health / hospice
66
By ZIP code (7)
ZIPPower-dependentVentilatorsO2 concentratorsHome dialysis
50022132≤11940
5153525≤11190
50020180140
51544≤110≤110
50853≤110≤110
50843≤110≤110
50274≤110≤110

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

🔔 Alerts for Cass County, IA

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

◢ ACTIVE WEATHER ALERTS · NWS

No active NWS alerts for Cass County right now.

Recent NWS alert activity · Cass County

Cass County has been under 38 National Weather Service alerts recently, most recently a Freeze Warning on October 17, 2026.

  • Flood Watch ×18
  • Severe Thunderstorm Warning ×5
  • Dense Fog Advisory ×4
  • Special Weather Statement ×4
  • Freeze Warning ×2
  • Flash Flood Warning ×2

Latest Cass County, IA outage updates

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

  1. RESOLVED

    Power restored after 1h 50m

  2. OUTAGE BEGAN

    Outage began: 133 customers out (1.3% of the county)

Outage trend · Cass County, IA
0customers out
Data as of Oct 19, 2026 21:50 UTC
Cass County, IA: customers without power, last 24 hoursPeak 0 customers out; latest 0 as of Oct 19, 2026 21:50 UTC. Each point is the highest reading in its interval.00.30.50.816 PMOct 196 AM12 PM
Use the arrow keys to read values.
Times in EDT. Shaded stretches had no reading.

Hardest-hit cities in Cass 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 Cass County went about 1.4 hours without power. Peak simultaneous outage on record reached 1,135 customers.

Official state benchmark (EIA 2025)Source: US EIA

The US EIA reports Iowa utilities averaged 3.1 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 1.4 hrs.

A decade of outages (2015–2025)
avg hrs without power / customer
Cass County average outage hours per customer by year2015–2025: 2015 0.3h, 2016 0.7h, 2017 1.2h, 2018 0.6h, 2019 2.0h, 2020 0.7h, 2021 1.6h, 2022 0.6h, 2023 1.2h, 2024 2.6h, 2025 1.4h. Highlighted: 2024.01230.3h20150.7h20161.2h20170.6h20182.0h20190.7h20201.6h20210.6h20221.2h20232.6h20241.4h2025
Use the arrow keys to read values.

Worst year here was 2024 (peak 993 customers out) · decade average 1.2 hrs without power per customer/yr.

YearOutage eventsPeak customers outAvg hrs/customer
2015571740.3
2016689730.7
20171019661.2
20181118560.6
20191331,0932.0
20201518090.7
20211451,1351.6
20221709710.6
20232131,0571.2
20242599932.6
20252299661.4

Cost of power in Cass County

ENERGY & AI DEMAND →

Estimated residential electricity price for Cass 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.

11.8¢/kWh
estimated residential average
▲ 16% since 2015
vs Iowa avg 16.0¢
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. What that adds up to each month, by state and utility: average electric bill.

What causes outages here

Share of outage-time by reported cause, from live ODIN utility reports. Why does my power keep going out? →

Outage causes by share of outage-timeWeather / storm 100%Weather / stormWeather / storm100%
Use the arrow keys to read values.
A reported cause is available for 0.4% of outage-time over 2 months of live data. Shares are of the portion with a known cause; bars are scaled to the largest cause.
Worst recorded outages
STARTEDPEAK OUTDURATION
December 15, 20211,1352d 4h
September 17, 20191,09310h 15m
April 1, 20231,05730m
January 9, 20249937h
July 19, 201697323h 30m
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

FEMA rates this county’s social vulnerability relatively high: outages hit harder where communities are less able to respond and recover.

All hazard rankings →

Power outages in Cass County: FAQ

How often does Cass County, IA lose power?
Based on EAGLE-I records, Cass County, IA logged 229 distinct outage events in 2025, averaging about 1.4 hours without power per customer over the year.
What was the worst power outage in Cass County, IA?
The largest tracked outage peaked at 1,135 customers without power, beginning December 15, 2021 and lasting about 2d 4h.
Is there a power outage in Cass County, IA right now?
None reported. As of October 19, 2026 21:55 UTC, no outages are reported by Interstate Power and Light Co, Farmers Electric Coop, Inc - (IA), Nishnabotna Valley R E C, Southwest Iowa Rural Elec Coop, Guthrie County Rural E C A and MidAmerican Energy Co in Cass County, IA. There is no live feed for Alliant Energy (Interstate Power & Light), Atlantic Municipal Utilities (IA), City of Anita - (IA), WAPA-- Western Area Power Administration and Waverly Municipal Elec Utility.
Which utilities serve Cass County, IA?
Tracked electric providers include Alliant Energy (Interstate Power & Light), Farmers Electric Coop, Inc - (IA), Interstate Power and Light Co, MidAmerican Energy Co, Nishnabotna Valley R E C, Southwest Iowa Rural Elec Coop.
ZIP codes in Cass County

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

50020, 50022, 50274, 50843, 50853, 51535, 51544, 51552

Electric providers serving this county

From EIA-861 service territory, with official reliability where reported. Territory is filed by county, so these are the utilities with lines anywhere in Cass County, not the one at a given address. All electric companies in Iowa →

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 Iowa customers). Machine-readable data: /api/v1/counties/19029 and /api/v1/counties/19029/history.