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Power Outages in Dallas County, IA

As of September 3, 2026 21:44 UTC, about 3 customers are without power in Dallas County, IA across 1 reported incident. In 2025, the average customer here lost power for about 2.4 hours.

Dallas County, IA is served by 2 tracked utilities.

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Dallas County, IA
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This county 0out
Scattered outages

3 customers without power

0.0% of Dallas County · across 1 reported incident.

Live data as of

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🔔 Alerts for Dallas County, IA:
◢ ACTIVE WEATHER ALERTS · NWS
  • Heat AdvisoryMODERATE
Recent NWS alert activity · Dallas County

Dallas County has been under 95 National Weather Service alerts recently — most recently a Heat Advisory on September 3, 2026.

  • Heat Advisory ×34
  • Extreme Heat Warning ×13
  • Extreme Heat Watch ×11
  • Dense Fog Advisory ×9
  • Flood Watch ×9
  • Severe Thunderstorm Watch ×8

Latest Dallas County, IA outage updates

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

  1. RESOLVED

    Power restored after 2h 45m

  2. RESTORATION ETA

    Restoration now estimated September 1, 2026

  3. RESTORATION ETA

    Restoration now estimated September 1, 2026

  4. RESTORATION ETA

    Restoration now estimated September 1, 2026

  5. OUTAGE BEGAN

    Outage began — 970 customers out (1.7% of the county)

  6. RESOLVED

    Power restored after 33m

  7. OUTAGE BEGAN

    Outage began — 501 customers out (0.9% of the county)

  8. RESOLVED

    Power restored after 48m

OUTAGE TREND
Dallas County, IA
3
AS OF LAST UPDATE · PEAK 3
Updated September 3, 2026
5 PM11 PM5 AM11 AM5 PM

Hardest-hit cities in Dallas 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 Dallas Countyisn't available yet.

Historical reliability

In 2025, the average customer in Dallas County went about 2.4 hours without power. Peak simultaneous outage on record reached 19,149 customers.

A decade of outages (20152025)
avg hrs without power / customer
0.6h20151.0h20160.7h20170.7h20180.8h201912.5h20201.0h20211.2h20220.7h20231.2h20242.4h2025

Worst year here was 2020 (peak 19,149 customers out) · decade average 2.1 hrs without power per customer/yr.

YearOutage eventsPeak customers outAvg hrs/customer
20153657,0660.6
20165863,8311.0
20175464,5680.7
20186184,2060.7
20196372,4240.8
202057119,14912.5
20215724,7041.0
20225846,5231.2
20236323,3880.7
20246534,7101.2
20256736,0372.4

What causes outages here

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

Weather / storm
95.2%
Vehicle / accident
2%
Planned / maintenance
1.6%
Trees / vegetation
0.8%
Equipment failure
0.4%

A reported cause is available for 75.8% of outage-time over 2 months of live data. Shares above are of the portion with a known cause.

Worst recorded outages
STARTEDPEAK OUTDURATION
August 10, 202019,14911d 4h
August 17, 20157,06610h 15m
July 23, 20226,52311h 45m
September 23, 20256,0371h
March 5, 20255,9111d 15h
See the biggest power outages in US history →
Natural hazards & outage risk
MODERATE

Relatively Moderate ice storms exposure · 2.1 hrs/yr of outages over the last decade.

TornadoRelatively Moderate
Ice stormRelatively Moderate
Strong windRelatively Moderate
All hazard rankings →

Power outages in Dallas County: FAQ

How often does Dallas County, IA lose power?
Based on EAGLE-I records, Dallas County, IA logged 673 distinct outage events in 2025, averaging about 2.4 hours without power per customer over the year.
What was the worst power outage in Dallas County, IA?
The largest tracked outage peaked at 19,149 customers without power, beginning August 10, 2020 and lasting about 11d 4h.
Is there a power outage in Dallas County, IA right now?
Yes — about 3 customers are currently without power across 1 reported incident(s).
Which utilities serve Dallas County, IA?
Tracked electric providers include Alliant Energy (Interstate Power & Light), MIDAMERICAN ENERGY CO.
ZIP codes in Dallas County

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

50003, 50038, 50039, 50063, 50066, 50069, 50146, 50167, 50220, 50233, 50263, 50266, 50323

Electric providers serving this county

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

ProviderOfficial SAIDI (EIA)LiveReport outage
Alliant Energy (Interstate Power & Light)ODIN ✓
MIDAMERICAN ENERGY COODIN ✓

Machine-readable data: /api/v1/counties/19049 and /api/v1/counties/19049/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Iowa customers). Live data as of .