Power Outages in Clark County, IL
Ameren Illinois Company publishes only a system-wide total, not county figures. There is no live feed for Ameren, City of Casey - (IL), City of Marshall - (IL), Coles-Moultrie Electric Coop, Enerstar Power Corp and Norris Electric Coop. In 2025, the average customer here lost power for about 5.2 hours.
Clark County, IL is served by 7 tracked utilities.
Cite this data
- URL
- https://massoutage.com/illinois/clark-county
- As of
- Not available
- Publisher
- MassOutage
MassOutage, "Power Outages in Clark County, IL". https://massoutage.com/illinois/clark-county
Ameren Illinois Company publishes no county-level figures.
No live feed for Ameren, City of Casey - (IL), City of Marshall - (IL), Coles-Moultrie Electric Coop, Enerstar Power Corp and Norris Electric Coop: outages in theirservice area won't show here.
0.0%of this county's ~5,963 customers are served by utilities with a county-level live feed.
We can't see outages for: Ameren, City of Casey - (IL), City of Marshall - (IL), Coles-Moultrie Electric Coop, Enerstar Power Corp, Norris Electric Coop. Their customers are not in any number on this page; check their own outage maps.
System-wide total only, no county split: Ameren Illinois Company.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Ameren Illinois Company | Live · total only | not by county | - | - | - | - | - | - |
| Ameren | No live feed | can't see | - | - | - | - | - | - |
| City of Casey - (IL) | No live feed | can't see | - | - | - | - | - | - |
| City of Marshall - (IL) | No live feed | can't see | - | - | - | - | - | - |
| Coles-Moultrie Electric Coop | No live feed | can't see | - | - | - | - | - | - |
| Enerstar Power Corp | No live feed | can't see | - | - | - | - | - | - |
| Norris Electric Coop | No live feed | can't see | - | - | - | - | - | - |
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Clark 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 (7)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 62441 | 101 | ≤11 | 77 | ≤11 |
| 62420 | 70 | ≤11 | 55 | ≤11 |
| 62442 | 40 | 0 | 33 | ≤11 |
| 62474 | 16 | 0 | ≤11 | ≤11 |
| 62477 | 14 | ≤11 | ≤11 | 0 |
| 62478 | ≤11 | 0 | ≤11 | 0 |
| 62423 | ≤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 Clark County or any town and utility in it.
- Frost AdvisoryMINOR
Clark County has been under 1 National Weather Service alert recently, most recently a Frost Advisory on October 18, 2026.
- Frost Advisory ×1
Hardest-hit cities in Clark County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Clark County went about 5.2 hours without power. Peak simultaneous outage on record reached 4,592 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 5.2 hrs.
Worst year here was 2023 (peak 4,592 customers out) · decade average 4.8 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 76 | 687 | 0.4 |
| 2016 | 61 | 687 | 1.0 |
| 2017 | 70 | 685 | 1.1 |
| 2018 | 122 | 368 | 0.7 |
| 2019 | 214 | 802 | 1.1 |
| 2020 | 307 | 2,376 | 4.6 |
| 2021 | 314 | 1,498 | 4.1 |
| 2022 | 337 | 1,788 | 4.7 |
| 2023 | 305 | 4,592 | 22.2 |
| 2024 | 312 | 1,415 | 7.9 |
| 2025 | 299 | 2,658 | 5.2 |
Cost of power in Clark County
ENERGY & AI DEMAND →Estimated residential electricity price for Clark 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
- Norris Electric Coop15.1¢18,163 cust
- Coles-Moultrie Electric Coop17.6¢8,505 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.
Relatively Low ice storms exposure · 4.8 hrs/yr of outages over the last decade.
FEMA rates this county’s social vulnerability relatively moderate: outages hit harder where communities are less able to respond and recover.
All hazard rankings →Power outages in Clark County: FAQ
- How often does Clark County, IL lose power?
- Based on EAGLE-I records, Clark County, IL logged 299 distinct outage events in 2025, averaging about 5.2 hours without power per customer over the year.
- What was the worst power outage in Clark County, IL?
- The largest tracked outage peaked at 4,592 customers without power, beginning June 29, 2023 and lasting about 4d 22h.
- Is there a power outage in Clark County, IL right now?
- No major outage is currently reported for Clark County, IL. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Clark County, IL?
- Tracked electric providers include Ameren, Ameren Illinois Company.
Outages are tracked at the county level; these ZIP codes fall within Clark County.
62420, 62423, 62441, 62442, 62474, 62477, 62478
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Ameren Illinois Company | 4.8 hrs | Live · total only | - |
| Ameren | - | No live feed | - |
| Norris Electric Coop | - | No live feed | - |
| Coles-Moultrie Electric Coop | - | No live feed | - |
| Enerstar Power Corp | - | No live feed | - |
| City of Marshall - (IL) | - | No live feed | - |
| City of Casey - (IL) | - | 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/17023 and /api/v1/counties/17023/history.