PowerOutageHistory
Reliability Grade
D
Worse than average
2015-2025
Kentucky

Powell CountyPower Outage History

20152025 · Kentucky
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What this grade means

Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.

Takeaway
Higher-than-average outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide25th pct
In Kentucky#87 of 120
See full Kentucky rankings →
Total events
580
Recorded 2015–2025
Avg duration
3.1 hrs
Per outage event
Longest outage
92 hrs
Single worst event on record
Customers served
8,244
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Sep 27, 202434 hrs5,632 (68%)Hurricane Helene
Nov 27, 20234 hrs5,544 (67%)Unnamed event
Mar 13, 2023<1 hr4,654 (56%)Unnamed event
Jun 7, 2017<1 hr3,193 (39%)Unnamed event
Aug 2, 20241 hrs2,924 (35%)Thunderstorm Wind

Was There an Outage on a Specific Date?

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

Over the 11 years from 2015 to 2025, Powell County recorded 580 distinct power outage events, averaging 3.1 hours per event.

The single worst outage on record in Powell County started September 27, 2024 (Hurricane Helene), lasting 34 hours and leaving up to 5,632 customers without power (68% of the county) at its peak.

June has historically been the worst month for outages in Powell County, with 75 events recorded during that month across the dataset.

Based on this history, Powell County earns a Reliability Grade of D, placing it in the 25th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Kentucky

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

CountyGradeNational percentile
Hickman CountyD24th
Metcalfe CountyD24th
Rowan CountyD25th
Fleming CountyD26th
Bath CountyD23rd

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 Powell County?

Between 2015 and 2025, Powell County recorded 580 outage events, averaging 3.1 hours each.

What is Powell County's reliability grade?

Powell County has a Reliability Grade of D, in the 25th national percentile.

What was the worst power outage in Powell County?

The worst outage on record started September 27, 2024 (Hurricane Helene), lasting 34 hours and affecting up to 5,632 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.