Power outages in Tamms, IL
Live outages for Tamms and the surrounding area, updated every 10 minutes. Tamms has 373 residents.
Right now
No outages reported
i
Normal: fewer than 0.1% of customers out. Elevated: 0.1% or more. Major outage: 1% or more.0customers without power in Alexander County
i
A customer is one electric account, usually one home or business, not one person. Utilities count outages this way.Outage map
TammsAlexander CountyAmeren Illinois publishes totals only, not outage locations.
i
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 Alexander County, which includes Tamms
2014–2025 recordAlexander County averaged 9 significant outages a year in 2023–2025, fewer than most Illinois counties.
In the 12 months to December 2025, there were 12. Half were over within 1.5 hours; the longest lasted 33 hours, starting January 5, 2025.
The largest on record began March 1, 2017, with 882 customers out at once.
Outages are most common in March.
9significant outages a year (2023–2025)
i
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.2 hourstypical (median) length
i
Half of significant outages here ended sooner than this, and half lasted longer.33 hourslongest on record (January 2025)
882most 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. |
|---|---|---|---|
| March 1, 2017 | 882 | 11 hours | 5,568 |
| June 29, 2018 | 837 | 12 hours | 5,214 |
| June 21, 2019 | 781 | 20 hours | 7,089 |
| February 10, 2023 | 747 | 15 minutes | 187 |
| March 13, 2025 | 737 | 1 hour | 597 |
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.