Power outages in Atlantic, IA

Live outages for Atlantic and the surrounding area, updated every 10 minutes. Atlantic has 6,676 residents.

Right now

No live outage data for Atlantic yet.

Outage map

Outage locations not published
AtlanticCass CountyMidAmerican Energy publishes totals only, not outage locations.
iSome utilities publish only how many customers are out, not where. Their outages are in the counts but can't be drawn on the map.

Outage history in Cass County, which includes Atlantic

2014–2025 record

Cass County averaged 11.7 significant outages a year in 2023–2025, about typical for Iowa counties.

In the 12 months to December 2025, there were 12. Half were over within 3.5 hours; the longest lasted 16 hours, starting March 5, 2025.

The largest on record began December 15, 2021, with 1,135 customers out at once.

Outages are most common in May.

11.7significant outages a year (2023–2025)
iAt least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.
1.5 hourstypical (median) length
iHalf of significant outages here ended sooner than this, and half lasted longer.
1.6 dayslongest on record (May 2024)
1,135most customers out at once
Largest events (start)Peak outLasted
iHow long this area stayed at or above the significant-outage line, not how long any one home was without power.
Customer-hours
iCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours.
December 15, 20211,1358 hours4,882
September 17, 20191,0936 hours1,744
March 19, 20251,05815 minutes265
April 1, 20231,05715 minutes264
January 9, 20249933.5 hours3,440

Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).

iFrom EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.

If your power is out

Report it to your utility

Food safety

  • 0–4 hKeep the fridge closed. It keeps food cold for about 4 hours.
  • 4 h+Throw out meat, dairy and leftovers that have been above 40°F for more than 2 hours.
  • 24 hA half-full freezer holds about 24 hours if kept closed.
  • 48 hA full freezer holds about 48 hours.

Generators, heat and cold

  • Run generators outside only, at least 20 feet from windows and doors. Never in a garage.
  • Use a battery-powered carbon monoxide alarm.
  • Never heat your home with a gas stove or oven.