Union County, TN Power Outages
As of Nov 3, 12:45 AM EST, no power outages were reported in Union County, Tennessee by Knoxville Utilities Board.
Union County on the Tennessee outage map
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- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Union County power outage history
Every significant outage recorded in Union County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 317 significant power outages in Union County, meaning events that left at least 1% of customers in the dark. The largest (Mar 13, 2020) left 8,591 customers (90.7% of the county) without power. NOAA recorded no major storm in the area at the time.
From 2018 to 2025, the average customer here lost about 9 hr 28 min of power per year, more than the Tennessee average of 5 hr 20 min. That ranks 12th of 88 Tennessee counties for outage time, where 1st has the most.
On 167 days in that period, at least 5% of customers were out at the same time. Outage time in Union County has held roughly steady recently: about 8 hr 36 min per customer per year in 2022–2025, versus 10 hr 20 min in 2018–2021.
The most recent significant outage on record (Dec 19, 2025) affected 1,452 customers (15.3%) amid severe thunderstorms.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Mar 13, 2020 | 8,591(90.7%) | 1 | No major storm reported |
| 2 | May 12–14, 2019 | 8,582(90.6%) | 3 | Flooding |
| 3 | Jul 21, 2018 | 8,546(90.2%) | 1 | Severe thunderstorms |
| 4 | Jul 31, 2016 | 7,509(79.3%) | 1 | No major storm reported |
| 5 | Dec 29, 2015 | 7,503(79.2%) | 1 | High winds |
Hours without power per customer, by year
When outages happen
Source: DOE/ORNL EAGLE-I recorded electricity outages, 2014–2025 (CC BY 4.0), with likely causes from the NOAA NCEI Storm Events Database. EAGLE-I coverage was partial before 2018, so averages use 2018–2025. Peak counts are the highest number of customers out at one time.
Who provides electricity in Union County?
Electric companies with service territory in Union County (EIA-861, 2025)
| Utility | Type | Customers (TN) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Knoxville Utilities Board (KUB) | Municipal | 225,030 | Reporting | |
| City of Clinton - (TN) | Municipal | 31,429 | Not reporting | |
| Powell Valley Electric Coop | Cooperative | 26,771 | Not reporting | |
| City of LaFollette | Municipal | 23,563 | Not reporting |
Customer counts are each utility's statewide total in Tennessee. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No Union County outage headlines in the past week.
Nearby counties
Union County power outage FAQ
Is the power out in Union County right now?
No outages are currently reported for Union County by participating utilities. If your power is out, report it to your electric company.
Which electric company serves Union County?
According to EIA-861 service territory data, Knoxville Utilities Board, City of Clinton - (TN), Powell Valley Electric Coop, City of LaFollette provide electric service in Union County, Tennessee.
What was the worst power outage in Union County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Mar 13, 2020. It peaked at 8,591 customers without power (90.7% of the county). NOAA storm reports for that period point to no major storm reported.
How often does the power go out in Union County?
EAGLE-I has recorded 317 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 9 hr 28 min of power per year, and on 167 days at least 5% of customers were out at once.
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "Union County, TN Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/tennessee/union-county