Calhoun County, IL Power Outages
Utilities serving Calhoun County, Illinois don't yet share live outage data with DOE's ODIN feed. Check your electric company's outage map (listed below) for real-time status.
Calhoun County on the Illinois outage map
- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Calhoun County power outage history
Every significant outage recorded in Calhoun County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 103 significant power outages in Calhoun County, meaning events that left at least 1% of customers in the dark. The largest (Dec 23, 2015) came when severe thunderstorms left 1,391 customers (74.6% of the county) without power.
From 2018 to 2025, the average customer here lost about 6 hr 5 min of power per year, more than the Illinois average of 2 hr 57 min. That ranks 26th of 102 Illinois counties for outage time, where 1st has the most.
June is the riskiest month: it accounted for 25% of all customer outage time from 2018 to 2025. On 89 days in that period, at least 5% of customers were out at the same time. Outage time in Calhoun County has risen recently: about 7 hr 8 min per customer per year in 2022–2025, versus 5 hr 1 min in 2018–2021.
The most recent significant outage on record (Dec 29, 2025) affected 250 customers (13.4%) amid a winter storm.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Dec 23, 2015 | 1,391(74.6%) | 1 | Severe thunderstorms |
| 2 | Dec 26, 2016 | 1,373(73.6%) | 1 | Flooding |
| 3 | Jun 2, 2019 | 1,121(60.1%) | 1 | Severe thunderstorms |
| 4 | May 16–17, 2025 | 1,114(59.7%) | 2 | Severe thunderstorms |
| 5 | Nov 21, 2015 | 1,076(57.7%) | 1 | Winter storm |
Hours without power per customer, by year
When outages happen
Source: DOE/ORNL EAGLE-I recorded electricity outages, 2014–2025 (CC BY 4.0), with likely causes from the NOAA NCEI Storm Events Database. EAGLE-I coverage was partial before 2018, so averages use 2018–2025. Peak counts are the highest number of customers out at one time.
Who provides electricity in Calhoun County?
Electric companies with service territory in Calhoun County (EIA-861, 2025)
| Utility | Type | Customers (IL) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Ameren Illinois | Investor Owned | 1,251,245 | Not reporting | |
| Illinois Rural Electric Coop | Cooperative | 10,313 | Not reporting |
Customer counts are each utility's statewide total in Illinois. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No Calhoun County outage headlines in the past week.
Calhoun County power outage FAQ
Is the power out in Calhoun County right now?
No outages are currently reported for Calhoun County by participating utilities. Live coverage is limited here, so If your power is out, report it to your electric company.
Which electric company serves Calhoun County?
According to EIA-861 service territory data, Ameren Illinois Company, Illinois Rural Electric Coop provide electric service in Calhoun County, Illinois.
What was the worst power outage in Calhoun County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Dec 23, 2015. It peaked at 1,391 customers without power (74.6% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Calhoun County?
EAGLE-I has recorded 103 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 6 hr 5 min of power per year, and on 89 days at least 5% of customers were out at once.
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "Calhoun County, IL Power Outages." Accessed November 2, 2026. https://poweroutagetracker.com/outages/illinois/calhoun-county