Power Outages in Warren County, IL
Is there a power outage in Warren County, IL right now? None reported. As of October 19, 2026 17:30 UTC, no outages are reported by Ameren Illinois Company in Warren County, IL. There is no live feed for Ameren and McDonough Power Coop.
Warren County, IL is served by 3 tracked utilities. In 2025, the average customer here lost power for about 3.5 hours.
Cite this data
- URL
- https://massoutage.com/illinois/warren-county
- As of
- October 19, 2026 17:30 UTC
- Publisher
- MassOutage
MassOutage, "Power Outages in Warren County, IL", live data as of October 19, 2026 17:30 UTC. https://massoutage.com/illinois/warren-county
No active outages are reported by Ameren Illinois Company in Warren County.
No live feed for Ameren and McDonough Power Coop: outages in theirservice area won't show here.
Report an outage in Warren County, IL
Report it to your electric utility; MassOutage can't take reports. For a downed line, stay at least 35 feet away and call 911.
No outage contact on file for Ameren Illinois Company, Ameren and McDonough Power Coop; check your electric bill or the utility's website.
90%of this county's ~8,506 customers are served by utilities with a county-level live feed.
We can't see outages for: Ameren, McDonough Power Coop. Their customers are not in any number on this page; check their own outage maps.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Ameren Illinois Company | Live · county | 0 | 7,697 | 0.0% | - | 0 | - | |
| Ameren | No live feed | can't see | - | - | - | - | - | - |
| McDonough Power Coop | No live feed | can't see | - | - | - | - | - | - |
Ameren Illinois Company reportsevery town in the county on each poll, so 0 out is a real all-clear. ETRs are the utility's own estimates.
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Warren Countywho rely on electricity-dependent medical equipment (ventilators, oxygen concentrators, home dialysis, powered wheelchairs, and more). HHS reports counts of 1–10 as “≤11”. Medicare only, so the full at-risk population is larger.
By ZIP code (8)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 61462 | 147 | ≤11 | 122 | ≤11 |
| 61473 | 32 | ≤11 | 24 | ≤11 |
| 61447 | 13 | ≤11 | ≤11 | 0 |
| 61478 | ≤11 | 0 | ≤11 | 0 |
| 61453 | ≤11 | 0 | ≤11 | 0 |
| 61435 | ≤11 | 0 | ≤11 | 0 |
| 61423 | ≤11 | 0 | ≤11 | 0 |
| 61417 | ≤11 | 0 | ≤11 | 0 |
Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.
Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for Warren County or any town and utility in it.
No active NWS alerts for Warren County right now.
Warren County has been under 5 National Weather Service alerts recently, most recently a Frost Advisory on October 17, 2026.
- Frost Advisory ×3
- Flood Watch ×1
- Special Weather Statement ×1
Latest Warren County, IL outage updates
A running log of how this outage has changed, updated automatically as utilities report in.
- RESOLVED
Power restored after 6h
- RESTORATION ETA
Restoration now estimated September 20, 2026
- IMPROVING
Improving: down to 86 customers out
- IMPROVING
Improving: down to 641 customers out
- GREW
Outage grew to 1,516 customers out (18% of the county)
- OUTAGE BEGAN
Outage began: 190 customers out (2.3% of the county)
Hardest-hit cities in Warren County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Warren County went about 3.5 hours without power. Peak simultaneous outage on record reached 6,801 customers.
The US EIA reports Illinois utilities averaged 2.4 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 3.5 hrs.
Worst year here was 2015 (peak 6,801 customers out) · decade average 6.0 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 213 | 6,801 | 15.7 |
| 2016 | 265 | 3,580 | 6.5 |
| 2017 | 156 | 878 | 0.9 |
| 2018 | 428 | 1,206 | 2.3 |
| 2019 | 494 | 2,374 | 8.7 |
| 2020 | 225 | 1,107 | 3.2 |
| 2021 | 232 | 2,711 | 5.0 |
| 2022 | 218 | 1,106 | 1.6 |
| 2023 | 279 | 5,611 | 12.7 |
| 2024 | 272 | 1,507 | 6.1 |
| 2025 | 314 | 1,890 | 3.5 |
Cost of power in Warren County
ENERGY & AI DEMAND →Estimated residential electricity price for Warren County, customer-weighted across the utilities serving it (US EIA, 2025). Retail prices aren't published at the county level; this is a derived estimate.
- Ameren Illinois Company16.7¢587,659 cust
Weighted by each utility's residential customer count (utilities report customers at the state level; a per-county share isn't published). Rising retail prices track a national demand surge; see energy & the data-center boom. What that adds up to each month, by state and utility: average electric bill.
Relatively Low ice storms exposure · 6.0 hrs/yr of outages over the last decade.
Power outages in Warren County: FAQ
- How often does Warren County, IL lose power?
- Based on EAGLE-I records, Warren County, IL logged 314 distinct outage events in 2025, averaging about 3.5 hours without power per customer over the year.
- What was the worst power outage in Warren County, IL?
- The largest tracked outage peaked at 6,801 customers without power, beginning October 22, 2015 and lasting about 3h 15m.
- Is there a power outage in Warren County, IL right now?
- None reported. As of October 19, 2026 17:30 UTC, no outages are reported by Ameren Illinois Company in Warren County, IL. There is no live feed for Ameren and McDonough Power Coop.
- Which utilities serve Warren County, IL?
- Tracked electric providers include Ameren, Ameren Illinois Company.
Outages are tracked at the county level; these ZIP codes fall within Warren County.
61417, 61423, 61435, 61447, 61453, 61462, 61473, 61478
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported. Territory is filed by county, so these are the utilities with lines anywhere in Warren County, not the one at a given address. All electric companies in Illinois →
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Ameren Illinois Company | 4.8 hrs | Live · county | - |
| Ameren | - | No live feed | - |
| McDonough Power Coop | - | No live feed | - |
Data from DOE/ORNL ODIN, DOE EAGLE-I, EIA Form 861 (utility reliability), EIA electricity retail prices and FEMA National Risk Index, every source we read. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Illinois customers). Machine-readable data: /api/v1/counties/17187 and /api/v1/counties/17187/history.