Power outages in St. Louis city, MO

Live outage counts for St. Louis and the rest of St. Louis city, updated every 10 minutes from Ameren Missouri.

Right now

Normal: scattered outages

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

7customers without power

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

<0.01% of 175,033 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 Missouri7 / 175,033

City of Kirkwood - (MO)no live feed

This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.

Also serves this county, per federal utility records

From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.

. Check its own outage map.

Outage map

County outlineAmeren 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.

Outages by ZIP code

2 of 19 ZIP codes have outages

ZIP	Area	Out	Customers i A customer is one electric account, usually one home or business, not one person. Utilities count outages this way.	% out i Customers without power divided by all the customers the utility serves in this area.
63107	St. Louis	4	4,439	0.09%
63120	St. Louis	2	3,324	0.06%
63101	St. Louis	0	1,431	0.00%
63102	St. Louis	0	4,519	0.00%
63103	St. Louis	0	4,622	0.00%
63104	St. Louis	0	12,819	0.00%
63106	St. Louis	0	4,618	0.00%
63108	St. Louis	0	14,561	0.00%
63109	St. Louis	0	16,142	0.00%
63110	St. Louis	0	14,002	0.00%
63111	St. Louis	0	10,534	0.00%
63112	St. Louis	0	10,858	0.00%
63113	St. Louis	0	4,933	0.00%
63115	St. Louis	0	7,256	0.00%
63116	St. Louis	0	22,485	0.00%

Outage history in St. Louis city

2014–2025 record

St. Louis city averaged 63 significant outages a year in 2023–2025, more than most Missouri counties.

In the 12 months to December 2025, there were 28. Half were over within 1 hour; the longest lasted 8.1 days, starting May 16, 2025.

The largest on record began June 30, 2023, with 83,685 customers out at once.

63significant 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.

1.5 hourstypical (median) length

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

8.1 dayslongest on record (May 2025)

83,685most 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 30, 2023	83,685	6 days	4,306,323
August 12, 2021	69,559	2.3 days	1,155,633
July 29, 2023	62,328	2.3 days	993,054
August 10, 2020	44,212	2.1 days	689,742
July 10, 2021	40,765	2.9 days	1,238,335

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.