Power Outages in Mississippi County, MO
As of October 19, 2026 07:45 UTC, no outages are reported by Union Electric Co - (MO) and SEMO Electric Cooperative in Mississippi County, MO. There is no live feed for Ameren. In 2025, the average customer here lost power for about 2.2 hours.
Mississippi County, MO is served by 3 tracked utilities.
Cite this data
- URL
- https://massoutage.com/missouri/mississippi-county
- As of
- October 19, 2026 07:45 UTC
- Publisher
- MassOutage
MassOutage, "Power Outages in Mississippi County, MO", live data as of October 19, 2026 07:45 UTC. https://massoutage.com/missouri/mississippi-county
No active outages are reported by Union Electric Co - (MO) and SEMO Electric Cooperative in Mississippi County.
No live feed for Ameren: outages in itsservice area won't show here.
72%of this county's ~10,579 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 | 4,960 | 0.0% | - | 0 | - | |
| SEMO Electric Cooperative | Live · county | 0 | 2,666 | 0.0% | - | - | - | |
| Ameren | No live feed | can't see | - | - | - | - | - | - |
Union Electric Co - (MO) and SEMO 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 Mississippi 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 |
|---|---|---|---|---|
| 63845 | 128 | ≤11 | 116 | 0 |
| 63834 | 88 | ≤11 | 79 | ≤11 |
| 63823 | 28 | ≤11 | 24 | 0 |
| 63820 | ≤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 Mississippi County or any town and utility in it.
No active NWS alerts for Mississippi County right now.
Mississippi County has been under 18 National Weather Service alerts recently, most recently a Frost Advisory on October 18, 2026.
- Heat Advisory ×14
- Frost Advisory ×2
- Special Weather Statement ×2
Hardest-hit cities in Mississippi County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Mississippi County went about 2.2 hours without power. Peak simultaneous outage on record reached 4,773 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 2.2 hrs.
Worst year here was 2024 (peak 4,773 customers out) · decade average 4.8 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 154 | 2,362 | 2.3 |
| 2016 | 232 | 2,838 | 3.5 |
| 2017 | 110 | 4,670 | 12.5 |
| 2018 | 196 | 726 | 0.7 |
| 2019 | 211 | 2,975 | 8.3 |
| 2020 | 192 | 2,411 | 2.7 |
| 2021 | 167 | 712 | 1.6 |
| 2022 | 175 | 2,927 | 1.7 |
| 2023 | 182 | 1,524 | 2.0 |
| 2024 | 199 | 4,773 | 15.9 |
| 2025 | 270 | 2,557 | 2.2 |
Cost of power in Mississippi County
ENERGY & AI DEMAND →Estimated residential electricity price for Mississippi 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
- SEMO Electric Cooperative13.5¢10,798 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 High ice storms exposure · 4.8 hrs/yr of outages over the last decade.
FEMA rates this county’s social vulnerability relatively high: outages hit harder where communities are less able to respond and recover.
All hazard rankings →Power outages in Mississippi County: FAQ
- How often does Mississippi County, MO lose power?
- Based on EAGLE-I records, Mississippi County, MO logged 270 distinct outage events in 2025, averaging about 2.2 hours without power per customer over the year.
- What was the worst power outage in Mississippi County, MO?
- The largest tracked outage peaked at 4,773 customers without power, beginning April 2, 2024 and lasting about 1d 1h.
- Is there a power outage in Mississippi County, MO right now?
- No major outage is currently reported for Mississippi County, MO. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Mississippi County, MO?
- Tracked electric providers include Ameren, SEMO Electric Cooperative, Union Electric Co - (MO).
Outages are tracked at the county level; these ZIP codes fall within Mississippi County.
63820, 63823, 63834, 63845, 63882
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 | - |
| Ameren | - | No live feed | - |
| SEMO 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/29133 and /api/v1/counties/29133/history.