PowerOutageHistory
AReliability Grade

Jackson CountyPower Outage History

20152019 · Tennessee

Top 20% most reliable nationally — infrequent, short outages.

How grades are calculated

Jump to most/least reliable counties ↓

Share
Reliability Rank
Higher percentile = more reliable
Nationwide99th pct
In Tennessee94th pct
Total events
20
Avg duration
1.3 hrs
Longest outage
4 hrs
Customers served
5,552
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
May 28, 20172 hrs684 (12%)Thunderstorm Wind
Feb 15, 20181 hrs276 (5%)Flood
Sep 22, 20182 hrs273 (5%)Unnamed event
Apr 12, 2019<1 hr272 (5%)Unnamed event
Jun 13, 2018<1 hr153 (3%)Unnamed event

Over the 5 years from 2015 to 2019, Jackson County recorded 20 distinct power outage events, averaging 1.3 hours per event.

The single worst outage on record in Jackson County started May 28, 2017 (Thunderstorm Wind), lasting 2 hours and leaving up to 684 customers without power (12% of the county) at its peak.

May has historically been the worst month for outages in Jackson County, with 5 events recorded during that month across the dataset.

Based on this history, Jackson County earns a Reliability Grade of A, placing it in the 99th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Jackson County's outage profile

See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.

Outage-prep kit

See our outage-prep guides.

Similar counties in Tennessee

Counties with the closest reliability grade and national percentile to Jackson County.

CountyGradeNational percentile
Lincoln CountyA99th
Scott CountyA98th
Dickson CountyA99th
Hickman CountyA100th
Putnam CountyA98th

Most reliable counties in Tennessee

The top 3 counties in Tennessee by reliability grade and percentile.

CountyGradeNational percentile
Lincoln CountyA99th
Jackson CountyA99th
Scott CountyA98th

Least reliable counties in Tennessee

The bottom 3 counties in Tennessee by reliability grade and percentile.

CountyGradeNational percentile
Shelby CountyF8th
Sevier CountyD20th
Stewart CountyD21st

Most reliable counties nationally

The top 3 counties nationally by reliability grade and percentile.

CountyStateGradeNational percentile
Clay CountySouth DakotaA100th
Clearwater CountyMinnesotaA99th
Limestone CountyAlabamaA99th

Least reliable counties nationally

The bottom 3 counties nationally by reliability grade and percentile.

CountyStateGradeNational percentile
Clay CountyWest VirginiaF0th
Lincoln CountyWest VirginiaF0th
Cameron ParishLouisianaF0th

FAQ

How often does power go out in Jackson County?

Between 2015 and 2019, Jackson County recorded 20 outage events, averaging 1.3 hours each.

What is Jackson County's reliability grade?

Jackson County has a Reliability Grade of A, in the 99th national percentile.

What was the worst power outage in Jackson County?

The worst outage on record started May 28, 2017 (Thunderstorm Wind), lasting 2 hours and affecting up to 684 customers.

Share
Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2019. See methodology.