PowerOutageHistory
Reliability Grade
A
Top tier
2015-2019
Tennessee

Jackson CountyPower Outage History

20152019 · Tennessee
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What this grade means

(How grades are calculated)

Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.

Takeaway
Low outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide99th pct
In Tennessee#6 of 83
See full Tennessee rankings →
Total events
20
Recorded 2015–2019
Avg duration
1.3 hrs
Per outage event
Longest outage
4 hrs
Single worst event on record
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

Was There an Outage on a Specific Date?

Pick a date to see whether a power outage was recorded for Jackson County, Tennessee that day.

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).

Similar counties in Tennessee

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

CountyGradeNational percentile
Lincoln CountyA99th
Scott CountyA98th
Dickson CountyNot ranked
Hickman CountyNot ranked
Putnam CountyA98th

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.

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.

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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.