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Power Outages in Jefferson County, MO

Is there a power outage in Jefferson County, MO right now? Yes. As of October 19, 2026 14:56 UTC, about 14 customers are without power in Jefferson County, MO across 5 reported incidents. Citizens Electric Corporation - (MO) publishes only a system-wide total, not county figures. There is no live feed for Ameren, so outages in their service area aren't counted.

Jefferson County, MO is served by 5 tracked utilities. In 2025, the average customer here lost power for about 15.4 hours.

Cite this data
URL
https://massoutage.com/missouri/jefferson-county
As of
October 19, 2026 14:56 UTC
Publisher
MassOutage

MassOutage, "Power Outages in Jefferson County, MO", live data as of October 19, 2026 14:56 UTC. https://massoutage.com/missouri/jefferson-county

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Jefferson County, MO
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This county Loading live outagesout
Scattered outages

14 customers without power

0.0% of Jefferson County · across 5 reported incidents.

Utility ETR: October 19, 2026 18:30 UTC (utility's estimate)

Not counted: no live feed for Ameren.

Live data as of

Report an outage in Jefferson County, MO

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 Union Electric Co - (MO), Crawford Electric Coop, Inc, Citizens Electric Corporation - (MO) and Ameren; check your electric bill or the utility's website.

Not sure which utility serves you? →

Live status by utility · Jefferson County

100%of this county's ~106,437 customers are served by utilities with a county-level live feed.

Blind spots

We can't see outages for: Ameren. Their customers are not in any number on this page; check their own outage maps.

System-wide total only, no county split: Citizens Electric Corporation - (MO).

UtilityFeedOutServed% outSmall outagesIncidentsUtility ETRAs of
Union Electric Co - (MO)Live · county14108,1880.0%-5October 19, 2026 18:30 UTC
Webster Electric CoopLive · county010.0%---
Citizens Electric Corporation - (MO)Live · total onlynot by county------
Crawford Electric Coop, IncLive · county0---0-
AmerenNo live feedcan't see------

Union Electric Co - (MO), Webster Electric Coop and Crawford Electric Coop, Inc 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, 2026

Medicare beneficiaries in Jefferson 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.

Power-dependent
2,307
Oxygen service
543
Dialysis (facility)
190
Home health / hospice
323
By ZIP code (14)
ZIPPower-dependentVentilatorsO2 concentratorsHome dialysis
6302835316282≤11
63026343≤1123812
63010337≤11264≤11
6302028617235≤11
63052221≤11168≤11
63049170≤11136≤11
63050164≤111260
63051153≤111270
63070122≤11100≤11
63016103≤1182≤11
6301296≤1174≤11
6302346≤11410
6304841≤1130≤11
6301941≤11350

Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.

🔔 Alerts for Jefferson County, MO

Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for Jefferson County or any town and utility in it.

◢ ACTIVE WEATHER ALERTS · NWS

No active NWS alerts for Jefferson County right now.

Recent NWS alert activity · Jefferson County

Jefferson County has been under 13 National Weather Service alerts recently, most recently a Frost Advisory on October 18, 2026.

  • Heat Advisory ×10
  • Air Quality Alert ×1
  • Frost Advisory ×1
  • Severe Thunderstorm Warning ×1

Latest Jefferson County, MO outage updates

A running log of how this outage has changed, updated automatically as utilities report in.

  1. RESOLVED

    Power restored after 12h 30m

  2. GREW

    Outage grew to 1,075 customers out (1.0% of the county)

  3. IMPROVING

    Improving: down to 444 customers out

  4. GREW

    Outage grew to 1,333 customers out (1.2% of the county)

  5. IMPROVING

    Improving: down to 567 customers out

  6. IMPROVING

    Improving: down to 1,141 customers out

  7. GREW

    Outage grew to 2,039 customers out (1.9% of the county)

  8. IMPROVING

    Improving: down to 1,120 customers out

Outage trend · Jefferson County, MO
18customers out
Data as of Oct 19, 2026 14:50 UTC
Jefferson County, MO: customers without power, last 24 hoursPeak 18 customers out; latest 18 as of Oct 19, 2026 14:50 UTC. Each point is the highest reading in its interval.0510152012 PM6 PMOct 196 AM
Use the arrow keys to read values.
Times in EDT. Shaded stretches had no reading.

Hardest-hit cities in Jefferson County

Where this event is concentrated across the county's towns and townships.

Per-city live breakdown needs data

Live outage counts are tracked at the county level; a city-by-city split within Jefferson Countyisn't available yet.

Historical reliability

In 2025, the average customer in Jefferson County went about 15.4 hours without power. Peak simultaneous outage on record reached 29,155 customers.

Official state benchmark (EIA 2025)Source: US EIA

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 15.4 hrs.

A decade of outages (2015–2025)
avg hrs without power / customer
Jefferson County average outage hours per customer by year2015–2025: 2015 1.7h, 2016 5.6h, 2017 0.9h, 2018 0.0h, 2019 0.2h, 2020 3.7h, 2021 2.7h, 2022 2.2h, 2023 7.0h, 2024 3.2h, 2025 15.4h. Highlighted: 2025.051015201.7h20155.6h20160.9h20170.0h20180.2h20193.7h20202.7h20212.2h20227.0h20233.2h202415.4h2025
Use the arrow keys to read values.

Worst year here was 2025 (peak 29,155 customers out) · decade average 3.9 hrs without power per customer/yr.

YearOutage eventsPeak customers outAvg hrs/customer
20155835,4291.7
201678519,5295.6
20173676,8080.9
2018101150.0
20191413,0610.2
202089218,9133.7
202187711,1382.7
20228904,4302.2
202391212,7847.0
20249357,4533.2
202580329,15515.4

Cost of power in Jefferson County

ENERGY & AI DEMAND →

Estimated residential electricity price for Jefferson 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.

13.3¢/kWh
estimated residential average
▲ 17% since 2015
vs Missouri avg 16.1¢
vs US avg 20.0¢
BY UTILITY · RESIDENTIAL ¢/kWh

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.

Worst recorded outages
STARTEDPEAK OUTDURATION
March 14, 202529,1555d 16h
July 13, 201619,5299d 7h
August 10, 202018,9133d
May 16, 202512,9316d 14h
April 15, 202312,7842d 11h
See the biggest power outages in US history →
Natural hazards & outage risk
HIGH

Very High high winds exposure · 3.9 hrs/yr of outages over the last decade.

Strong windVery High
TornadoRelatively High
Ice stormRelatively Moderate
FloodingRelatively Moderate
Heat waveRelatively Moderate
EarthquakeRelatively Moderate
All hazard rankings →

Power outages in Jefferson County: FAQ

How often does Jefferson County, MO lose power?
Based on EAGLE-I records, Jefferson County, MO logged 803 distinct outage events in 2025, averaging about 15.4 hours without power per customer over the year.
What was the worst power outage in Jefferson County, MO?
The largest tracked outage peaked at 29,155 customers without power, beginning March 14, 2025 and lasting about 5d 16h.
Is there a power outage in Jefferson County, MO right now?
Yes. As of October 19, 2026 14:56 UTC, about 14 customers are without power in Jefferson County, MO across 5 reported incidents. Citizens Electric Corporation - (MO) publishes only a system-wide total, not county figures. There is no live feed for Ameren, so outages in their service area aren't counted.
Which utilities serve Jefferson County, MO?
Tracked electric providers include Ameren, Union Electric Co - (MO).
ZIP codes in Jefferson County

Outages are tracked at the county level; these ZIP codes fall within Jefferson County.

63010, 63012, 63016, 63019, 63020, 63023, 63026, 63028, 63047, 63048, 63049, 63050, 63051, 63052, 63053, 63070

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 Jefferson County, not the one at a given address. All electric companies in Missouri →

ProviderOfficial SAIDI (EIA)LiveReport outage
Union Electric Co - (MO)9.9 hrsLive · county-
Crawford Electric Coop, Inc6.0 hrsLive · county-
Citizens Electric Corporation - (MO)28.1 hrsLive · total only-
Ameren-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 Missouri customers). Machine-readable data: /api/v1/counties/29099 and /api/v1/counties/29099/history. Live data as of .