PowerOutageHistory
FReliability Grade

Liberty CountyPower Outage History

20152025 · Florida

Bottom 20% least reliable nationally — frequent and/or long outages.

How grades are calculated

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Reliability Rank
Higher percentile = more reliable
Nationwide5th pct
In Florida11th pct
Total events
678
Avg duration
5.0 hrs
Longest outage
348 hrs
Customers served
5,831
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Oct 10, 2018182 hrs3,308 (57%)Unnamed event
Apr 27, 20236 hrs3,204 (55%)Tornado
Apr 18, 2023<1 hr3,182 (55%)Thunderstorm Wind
Sep 2, 2020<1 hr3,085 (53%)Unnamed event
Apr 28, 202316 hrs3,071 (53%)Tornado

Over the 11 years from 2015 to 2025, Liberty County recorded 678 distinct power outage events, averaging 5.0 hours per event.

The single worst outage on record in Liberty County started October 10, 2018, lasting 182 hours and leaving up to 3,308 customers without power (57% of the county) at its peak.

August has historically been the worst month for outages in Liberty County, with 86 events recorded during that month across the dataset.

Based on this history, Liberty County earns a Reliability Grade of F, placing it in the 5th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Liberty County's outage profile

See more picks in our Best Dual-Fuel Portable Generators for Power Outages roundup.

Outage-prep kit

See our outage-prep guides or the Florida storm prep checklist.

Similar counties in Florida

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

CountyGradeNational percentile
Pinellas CountyF5th
Lafayette CountyF5th
Taylor CountyF5th
Suwannee CountyF6th
Charlotte CountyF4th

Most reliable counties in Florida

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

CountyGradeNational percentile
Okaloosa CountyB76th
Walton CountyB73rd
Osceola CountyC58th

Least reliable counties in Florida

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

CountyGradeNational percentile
Hamilton CountyF1st
Highlands CountyF3rd
Jefferson CountyF3rd

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 Liberty County?

Between 2015 and 2025, Liberty County recorded 678 outage events, averaging 5.0 hours each.

What is Liberty County's reliability grade?

Liberty County has a Reliability Grade of F, in the 5th national percentile.

What was the worst power outage in Liberty County?

The worst outage on record started October 10, 2018, lasting 182 hours and affecting up to 3,308 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: 2025. See methodology.