PowerOutageHistory
Reliability Grade
D
Worse than average
2014-2025
North Carolina

Orange CountyPower Outage History

20142025 · North Carolina
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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
Nationwide38th pct
In North Carolina#52 of 94
See full North Carolina rankings →
Total events
1,398
Recorded 2014–2025
Avg duration
2.9 hrs
Per outage event
Longest outage
78 hrs
Single worst event on record
Customers served
91,951
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Oct 11, 201878 hrs29,013 (32%)Tropical Storm Michael
Jul 6, 202529 hrs23,235 (25%)Tropical Storm Chantal
Sep 30, 202259 hrs16,403 (18%)Hurricane Ian
Feb 26, 201540 hrs14,879 (16%)Winter Weather
Aug 15, 202321 hrs14,804 (16%)Thunderstorm Wind

Was There an Outage on a Specific Date?

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

Over the 12 years from 2014 to 2025, Orange County recorded 1,398 distinct power outage events, averaging 2.9 hours per event.

The single worst outage on record in Orange County started October 11, 2018 (Tropical Storm Michael), lasting 78 hours and leaving up to 29,013 customers without power (32% of the county) at its peak.

July has historically been the worst month for outages in Orange County, with 208 events recorded during that month across the dataset.

Based on this history, Orange County earns a Reliability Grade of D, placing it in the 38th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in North Carolina

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

CountyGradeNational percentile
Craven CountyD37th
Brunswick CountyD38th
Durham CountyD38th
Ashe CountyD36th
Caldwell CountyD39th

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 Orange County?

Between 2014 and 2025, Orange County recorded 1,398 outage events, averaging 2.9 hours each.

What is Orange County's reliability grade?

Orange County has a Reliability Grade of D, in the 38th national percentile.

What was the worst power outage in Orange County?

The worst outage on record started October 11, 2018 (Tropical Storm Michael), lasting 78 hours and affecting up to 29,013 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.