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Power Outages in Jefferson County, KY

As of October 19, 2026 03:05 UTC, no outages are reported by Louisville Gas & Electric Co, Salt River Electric Coop Corp and Shelby Energy Coop, Inc - (KY) in Jefferson County, KY. There is no live feed for Kentucky (statewide) and LG&E and KU. In 2025, the average customer here lost power for about 4.6 hours.

Jefferson County, KY is served by 5 tracked utilities.

Cite this data
URL
https://massoutage.com/kentucky/jefferson-county
As of
October 19, 2026 03:05 UTC
Publisher
MassOutage

MassOutage, "Power Outages in Jefferson County, KY", live data as of October 19, 2026 03:05 UTC. https://massoutage.com/kentucky/jefferson-county

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Jefferson County, KY
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No outages reported

No active outages are reported by Louisville Gas & Electric Co, Salt River Electric Coop Corp and Shelby Energy Coop, Inc - (KY) in Jefferson County.

No live feed for Kentucky (statewide) and LG&E and KU: outages in theirservice area won't show here.

Live status by utility · Jefferson County

100%of this county's ~409,698 customers are served by utilities with a county-level live feed.

Blind spots

We can't see outages for: Kentucky (statewide), LG&E and KU. Their customers are not in any number on this page; check their own outage maps.

UtilityFeedOutServed% outSmall outagesIncidentsUtility ETRAs of
Louisville Gas & Electric CoLive · county0415,4840.0%-0-
Salt River Electric Coop CorpLive · county0950.0%---
Shelby Energy Coop, Inc - (KY)Live · county0210.0%---
Kentucky (statewide)No live feedcan't see------
LG&E and KUNo live feedcan't see------

Louisville Gas & Electric Co, Salt River Electric Coop Corp and Shelby Energy Coop, Inc - (KY) 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
9,776
Oxygen service
2,634
Dialysis (facility)
983
Home health / hospice
1,343
By ZIP code (34)
ZIPPower-dependentVentilatorsO2 concentratorsHome dialysis
402165992143912
4027253227413≤11
4022949824383≤11
4029145321324≤11
4021443417332≤11
4029942416285≤11
4021941122315≤11
40258353≤11265≤11
40211315≤11213≤11
4022031312222≤11
40203301≤11185≤11
4021829917210≤11
4024129812215≤11
40245292≤11198≤11
4021227017210≤11
4020726914179≤11
40215254≤11188≤11
40223245≤11169≤11
40228195≤11136≤11
4021018812125≤11
40222181≤11128≤11
40213172≤11123≤11
40205169≤111020
40118158≤11118≤11
40206154≤111090
40243145≤111040
40242115≤1182≤11
4021787≤1167≤11
4020477≤11570
4020869≤11500
4002367≤1150≤11
4020247034≤11
40209≤110≤11≤11
40025≤110≤110

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

🔔 Alerts for Jefferson County, KY

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.

Get alerts for Jefferson CountySend updates to your dashboardRSS feed
◢ ACTIVE WEATHER ALERTS · NWS
  • Frost AdvisoryMINOR
Recent NWS alert activity · Jefferson County

Jefferson County has been under 26 National Weather Service alerts recently, most recently a Frost Advisory on October 19, 2026.

  • Special Weather Statement ×12
  • Heat Advisory ×6
  • Frost Advisory ×4
  • Dense Fog Advisory ×3
  • Flood Advisory ×1

Latest Jefferson County, KY outage updates

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

  1. RESOLVED

    Power restored after 2h 35m

  2. IMPROVING

    Improving: down to 790 customers out

  3. OUTAGE BEGAN

    Outage began: 1,349 customers out (0.3% of the county)

  4. RESOLVED

    Power restored after 20m

  5. OUTAGE BEGAN

    Outage began: 624 customers out (0.2% of the county)

  6. RESOLVED

    Power restored after 25m

  7. OUTAGE BEGAN

    Outage began: 3,642 customers out (0.9% of the county)

  8. RESOLVED

    Power restored after 20m

Outage trend · Jefferson County, KY
0customers out
Data as of Oct 19, 2026 03:00 UTC
Jefferson County, KY: customers without power, last 24 hoursPeak 0 customers out; latest 0 as of Oct 19, 2026 03:00 UTC. Each point is the highest reading in its interval.00.30.50.81Oct 186 AM12 PM6 PM
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.

  • Louisvilleno outage reported

Historical reliability

In 2025, the average customer in Jefferson County went about 4.6 hours without power. Peak simultaneous outage on record reached 141,810 customers.

Official state benchmark (EIA 2025)Source: US EIA

The US EIA reports Kentucky utilities averaged 6.6 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 4.6 hrs.

A decade of outages (2015–2025)
avg hrs without power / customer
Jefferson County average outage hours per customer by year2015–2025: 2015 1.8h, 2016 1.4h, 2017 1.4h, 2018 8.9h, 2019 2.3h, 2020 1.6h, 2021 1.7h, 2022 3.0h, 2023 18.0h, 2024 6.8h, 2025 4.6h. Highlighted: 2023.051015201.8h20151.4h20161.4h20178.9h20182.3h20191.6h20201.7h20213.0h202218.0h20236.8h20244.6h2025
Use the arrow keys to read values.

Worst year here was 2023 (peak 82,578 customers out) · decade average 4.7 hrs without power per customer/yr.

YearOutage eventsPeak customers outAvg hrs/customer
201586915,2331.8
201681713,0871.4
201786011,5271.4
201867079,4478.9
201963065,5872.3
202068927,1331.6
20216909,6731.7
202274520,8983.0
202372682,57818.0
202464754,2846.8
2025574141,8104.6

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.

12.4¢/kWh
estimated residential average
▲ 19% since 2015
vs Kentucky avg 13.8¢
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.

Worst recorded outages
STARTEDPEAK OUTDURATION
November 4, 2025141,81033d 23h
March 3, 202382,5787d 19h
November 15, 201879,4475d 1h
September 13, 201965,58718h 15m
May 26, 202454,2844d 19h
See the biggest power outages in US history →
Natural hazards & outage risk
HIGH

Very High tornadoes exposure · 4.7 hrs/yr of outages over the last decade.

TornadoVery High
Ice stormRelatively High
Strong windRelatively High
FloodingRelatively High
Heat waveRelatively High
EarthquakeRelatively Moderate

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 Jefferson County: FAQ

How often does Jefferson County, KY lose power?
Based on EAGLE-I records, Jefferson County, KY logged 574 distinct outage events in 2025, averaging about 4.6 hours without power per customer over the year.
What was the worst power outage in Jefferson County, KY?
The largest tracked outage peaked at 141,810 customers without power, beginning November 4, 2025 and lasting about 33d 23h.
Is there a power outage in Jefferson County, KY right now?
No major outage is currently reported for Jefferson County, KY. Live coverage depends on whether local utilities report to ODIN.
Which utilities serve Jefferson County, KY?
Tracked electric providers include Kentucky (statewide), LG&E and KU, Louisville Gas & Electric Co, Salt River Electric Coop Corp.
Nearby counties
Bullitt CountyClark CountyFloyd CountyHardin County
Cities & towns in Jefferson County

Louisville. Outage counts for these communities are reported at the Jefferson County level shown above.

ZIP codes in Jefferson County

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

40023, 40025, 40041, 40118, 40202, 40203, 40204, 40205, 40206, 40207, 40208, 40209, 40210, 40211, 40212, 40213, 40214, 40215, 40216, 40217, 40218, 40219, 40220, 40221, 40222, 40223, 40228, 40229, 40231, 40241, 40242, 40243, 40245, 40258, 40272, 40280, 40291, 40299

Electric providers serving this county

From EIA-861 service territory, with official reliability where reported.

ProviderOfficial SAIDI (EIA)LiveReport outage
Salt River Electric Coop Corp8.5 hrsLive · county-
Shelby Energy Coop, Inc - (KY)4.1 hrsLive · county-
Louisville Gas & Electric Co3.8 hrsLive · county-
Kentucky (statewide)-No live feed-
LG&E and KU-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 Kentucky customers). Machine-readable data: /api/v1/counties/21111 and /api/v1/counties/21111/history.