Power outages in Cottleville, MO

Live outages for Cottleville and the surrounding area, updated every 10 minutes. Cottleville has 6,717 residents.

Right now

Normal: scattered outages

Normal: fewer than 0.1% of customers out. Elevated: 0.1% or more. Major outage: 1% or more.

9customers without power in St. Charles County

A customer is one electric account, usually one home or business, not one person. Utilities count outages this way.

<0.01% of 150,748 customersUpdated 7 min ago

We check every utility's outage data every 10 minutes. Each utility updates its own map on its own schedule, usually every 5 to 15 minutes.

Ameren Missouri doesn't publish a count for Cottleville itself; see its ZIP codes below.

Outage map

CottlevilleSt. Charles CountyAmeren Missouri publishes totals only, not outage locations.

Some 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 St. Charles County, which includes Cottleville

2014–2025 record

St. Charles County averaged 16.7 significant outages a year in 2023–2025, about typical for Missouri counties.

In the 12 months to December 2025, there were 19. Half were over within 45 minutes; the longest lasted 8 hours, starting June 18, 2025.

The largest on record began June 19, 2021, with 25,716 customers out at once.

Outages are most common in July.

16.7significant outages a year (2023–2025)

At 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 hourtypical (median) length

Half of significant outages here ended sooner than this, and half lasted longer.

35 hourslongest on record (June 2021)

25,716most customers out at once

Largest events (start)	Peak out	Lasted i How long this area stayed at or above the significant-outage line, not how long any one home was without power.	Customer-hours i Customers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours.
June 19, 2021	25,716	35 hours	208,151
July 29, 2023	24,562	29 hours	225,070
August 10, 2020	16,968	17 hours	113,638
April 26, 2016	12,665	5.5 hours	24,692
December 11, 2021	12,221	6.5 hours	41,165

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

From 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

Ameren Missouri: outage map and reporting
Stay at least 35 feet from downed power lines and report them right away.

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.

Cottleville is in

St. Charles County