Power outages in Herrin, IL
Live outages for Herrin and the surrounding area, updated every 10 minutes. Herrin has 12,268 residents.
Right now
Normal: scattered outages
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Normal: fewer than 0.1% of customers out. Elevated: 0.1% or more. Major outage: 1% or more.2customers without power in Williamson County
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A customer is one electric account, usually one home or business, not one person. Utilities count outages this way.Outage map
HerrinWilliamson CountyAmeren Illinois publishes totals only, not outage locations.
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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 Williamson County, which includes Herrin
2014–2025 recordWilliamson 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)
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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
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Half 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 out | LastediHow long this area stayed at or above the significant-outage line, not how long any one home was without power. | Customer-hoursiCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours. |
|---|---|---|---|
| January 5, 2025 | 10,894 | 4.1 days | 392,867 |
| May 27, 2024 | 8,670 | 36 hours | 68,753 |
| March 24, 2019 | 7,719 | 2 hours | 12,273 |
| June 29, 2018 | 7,504 | 1.8 days | 127,055 |
| July 10, 2021 | 6,630 | 5.5 hours | 14,842 |
Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).i
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 Illinois: 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.