PowerOutageHistory
Reliability Grade
C
Average
2016-2025
North Carolina

Clay CountyPower Outage History

20162025 · North Carolina
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What this grade means

Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.

Takeaway
Typical outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide56th pct
In North Carolina#24 of 94
See full North Carolina rankings →
Total events
773
Recorded 2016–2025
Avg duration
2.1 hrs
Per outage event
Longest outage
56 hrs
Single worst event on record
Customers served
13,494
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Aug 7, 202315 hrs5,464 (40%)Thunderstorm Wind
May 27, 202419 hrs5,315 (39%)Hail
Jun 5, 2025<1 hr4,140 (31%)Unnamed event
Oct 27, 2025<1 hr4,140 (31%)Unnamed event
Jan 5, 20251 hrs4,107 (30%)Unnamed event

Was There an Outage on a Specific Date?

Pick a date to see whether a power outage was recorded for Clay County, North Carolina that day.

Over the 10 years from 2016 to 2025, Clay County recorded 773 distinct power outage events, averaging 2.1 hours per event.

The single worst outage on record in Clay County started August 7, 2023 (Thunderstorm Wind), lasting 15 hours and leaving up to 5,464 customers without power (40% of the county) at its peak.

July has historically been the worst month for outages in Clay County, with 114 events recorded during that month across the dataset.

Based on this history, Clay County earns a Reliability Grade of C, placing it in the 56th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in North Carolina

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

CountyGradeNational percentile
Davie CountyC56th
McDowell CountyC56th
Randolph CountyC56th
Buncombe CountyC56th
Alleghany CountyC57th

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 Clay County?

Between 2016 and 2025, Clay County recorded 773 outage events, averaging 2.1 hours each.

What is Clay County's reliability grade?

Clay County has a Reliability Grade of C, in the 56th national percentile.

What was the worst power outage in Clay County?

The worst outage on record started August 7, 2023 (Thunderstorm Wind), lasting 15 hours and affecting up to 5,464 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.