Power outages in Williamson County, IL

Live outage counts for Marion, Herrin and Carterville and the rest of Williamson County, updated every 10 minutes from Ameren Illinois.

Right now

Normal: scattered outages
iNormal: fewer than 0.1% of customers out. Elevated: 0.1% or more. Major outage: 1% or more.
2customers without power
iA customer is one electric account, usually one home or business, not one person. Utilities count outages this way.
<0.01% of 26,664 customersUpdated 7 min ago
iWe 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 Illinois2 / 26,664
Southeastern IL Elec Coop, Incno live feed
iThis 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
iFrom 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.
Egyptian Electric Coop Assnno live feed
iThis 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
iFrom 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.
Southern Illinois Elec Coopno live feed
iThis 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
iFrom 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

Outage locations not published
County outlineAmeren Illinois 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.

Outages by ZIP code

2 of 12 ZIP codes have outages
ZIPAreaOutCustomers
iA customer is one electric account, usually one home or business, not one person. Utilities count outages this way.
% out
iCustomers without power divided by all the customers the utility serves in this area.
62918Carterville / Crainville14,8950.02%
62948Herrin / Energy16,2720.02%
62841Freeman Spur0650.00%
62902Carbondale04730.00%
62915Cambria02610.00%
62921Colp01880.00%
62922Creal Springs04780.00%
62933Energy / Herrin07010.00%
62949Hurst03740.00%
62951Johnston City02,0670.00%
62959Marion / Crab Orchard010,7190.00%
62974Pittsburg02630.00%

Outage history in Williamson County

2014–2025 record

Williamson County averaged 21.7 significant outages a year in 2023–2025, about typical for Illinois counties.

In the 12 months to December 2025, there were 36. Half were over within 1 hour; the longest lasted 4.1 days, starting January 5, 2025.

The largest on record began January 5, 2025, with 10,894 customers out at once.

21.7significant 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.
4.1 dayslongest on record (January 2025)
10,894most 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.
January 5, 202510,8944.1 days392,867
May 27, 20248,67036 hours68,753
March 24, 20197,7192 hours12,273
June 29, 20187,5041.8 days127,055
July 10, 20216,6305.5 hours14,842

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.

Cities in Williamson County

Nearby counties

Utilities