Power Outages in Warren County, MO
As of October 19, 2026 03:05 UTC, no outages are reported by Union Electric Co - (MO), Cuivre River Electric Coop Inc and Callaway Electric Cooperative in Warren County, MO. There is no live feed for Ameren. In 2025, the average customer here lost power for about 3.4 hours.
Warren County, MO is served by 4 tracked utilities.
Cite this data
- URL
- https://massoutage.com/missouri/warren-county
- As of
- October 19, 2026 03:05 UTC
- Publisher
- MassOutage
MassOutage, "Power Outages in Warren County, MO", live data as of October 19, 2026 03:05 UTC. https://massoutage.com/missouri/warren-county
No active outages are reported by Union Electric Co - (MO), Cuivre River Electric Coop Inc and Callaway Electric Cooperative in Warren County.
No live feed for Ameren: outages in itsservice area won't show here.
100%of this county's ~22,123 customers are served by utilities with a county-level live feed.
We can't see outages for: Ameren. 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 |
|---|---|---|---|---|---|---|---|---|
| Union Electric Co - (MO) | Live · county | 0 | 12,488 | 0.0% | - | 0 | - | |
| Cuivre River Electric Coop Inc | Live · county | 0 | 10,561 | 0.0% | - | - | - | |
| Callaway Electric Cooperative | Live · county | 0 | 5 | 0.0% | - | - | - | |
| Ameren | No live feed | can't see | - | - | - | - | - | - |
Union Electric Co - (MO), Cuivre River Electric Coop Inc and Callaway Electric Cooperative reportevery 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 (4)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 63383 | 199 | ≤11 | 150 | ≤11 |
| 63390 | 106 | ≤11 | 82 | ≤11 |
| 63357 | 38 | 0 | 34 | 0 |
| 63381 | ≤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 11 National Weather Service alerts recently, most recently a Frost Advisory on October 18, 2026.
- Heat Advisory ×10
- Frost Advisory ×1
Latest Warren County, MO outage updates
A running log of how this outage has changed, updated automatically as utilities report in.
- RESOLVED
Power restored after 30m
- OUTAGE BEGAN
Outage began: 515 customers out (2.2% of the county)
- RESOLVED
Power restored after 3h 49m
- OUTAGE BEGAN
Outage began: 272 customers out (1.2% of the county)
- RESOLVED
Power restored after 1h 6m
- IMPROVING
Improving: down to 482 customers out
- OUTAGE BEGAN
Outage began: 957 customers out (4.2% 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 3.4 hours without power. Peak simultaneous outage on record reached 9,825 customers.
The US EIA reports Missouri utilities averaged 6.3 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 3.4 hrs.
Worst year here was 2021 (peak 9,825 customers out) · decade average 6.5 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 438 | 1,557 | 2.6 |
| 2016 | 470 | 5,088 | 5.4 |
| 2017 | 387 | 1,591 | 4.9 |
| 2018 | 432 | 2,835 | 6.2 |
| 2019 | 423 | 2,477 | 6.4 |
| 2020 | 537 | 2,361 | 4.6 |
| 2021 | 538 | 9,825 | 18.8 |
| 2022 | 632 | 1,860 | 6.7 |
| 2023 | 632 | 2,863 | 7.2 |
| 2024 | 649 | 2,216 | 5.3 |
| 2025 | 622 | 5,799 | 3.4 |
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.
- Union Electric Co - (MO)13.3¢1,100,654 cust
- Cuivre River Electric Coop Inc11.4¢74,261 cust
- Callaway Electric Cooperative16.8¢12,767 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 Moderate ice storms exposure · 6.5 hrs/yr of outages over the last decade.
Power outages in Warren County: FAQ
- How often does Warren County, MO lose power?
- Based on EAGLE-I records, Warren County, MO logged 622 distinct outage events in 2025, averaging about 3.4 hours without power per customer over the year.
- What was the worst power outage in Warren County, MO?
- The largest tracked outage peaked at 9,825 customers without power, beginning July 10, 2021 and lasting about 4d 13h.
- Is there a power outage in Warren County, MO right now?
- No major outage is currently reported for Warren County, MO. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Warren County, MO?
- Tracked electric providers include Ameren, Cuivre River Electric Coop Inc, Union Electric Co - (MO).
Outages are tracked at the county level; these ZIP codes fall within Warren County.
63351, 63357, 63380, 63381, 63383, 63390
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Union Electric Co - (MO) | 9.9 hrs | Live · county | - |
| Cuivre River Electric Coop Inc | 2.3 hrs | Live · county | - |
| Ameren | - | No live feed | - |
| Callaway Electric Cooperative | - | Live · county | - |
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 Missouri customers). Machine-readable data: /api/v1/counties/29219 and /api/v1/counties/29219/history.