PowerOutageHistory
B

Iredell County Power Outage History

20142025 · North Carolina

Better than average — fewer or shorter outages than most counties. How grades are calculated

Total events
1,049
Avg duration
2.7 hrs
Longest outage
133 hrs
National percentile
61st

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Oct 29, 202081 hrs33,405 (27%)Tropical Storm Zeta
Aug 7, 202313 hrs23,376 (19%)Tornado
Sep 27, 2024133 hrs16,509 (13%)Unnamed event
Oct 11, 201852 hrs12,951 (10%)Tropical Storm
Sep 17, 20249 hrs11,449 (9%)Unnamed event

Over the 12 years from 2014 to 2025, Iredell County recorded 1,049 distinct power outage events, averaging 2.7 hours per event.

The single worst outage on record in Iredell County started October 29, 2020 (Tropical Storm Zeta), lasting 81 hours and leaving up to 33,405 customers without power (27% of the county) at its peak.

July has historically been the worst month for outages in Iredell County, with 138 events recorded during that month across the dataset.

Based on this history, Iredell County earns a Reliability Grade of B, placing it in the 61st percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Iredell County's outage profile

See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.

Outage-prep kit

See our outage-prep guides or the North Carolina storm prep checklist.

Similar counties in North Carolina

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

CountyGradeNational percentile
Cabarrus CountyB62nd
Stanly CountyC60th
Franklin CountyB64th
Davidson CountyC57th
Cumberland CountyC57th

FAQ

How often does power go out in Iredell County?

Between 2014 and 2025, Iredell County recorded 1,049 outage events, averaging 2.7 hours each.

What is Iredell County's reliability grade?

Iredell County has a Reliability Grade of B, in the 61st national percentile.

What was the worst power outage in Iredell County?

The worst outage on record started October 29, 2020 (Tropical Storm Zeta), lasting 81 hours and affecting up to 33,405 customers.

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.