PowerOutageHistory
B

Union County Power Outage History

2019–2025 · Georgia

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

Total events
380
Avg duration
2.2 hrs
Longest outage
61 hrs
National percentile
66th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Mar 10, 20221 hrs16,904 (65%)Unnamed event
Mar 11, 20221 hrs13,594 (52%)Unnamed event
Oct 29, 202061 hrs9,435 (36%)Tropical Storm Zeta
Sep 26, 20251 hrs7,583 (29%)Unnamed event
Nov 28, 20241 hrs6,047 (23%)Unnamed event

Over the 7 years from 2019 to 2025, Union County recorded 380 distinct power outage events, averaging 2.2 hours per event.

The single worst outage on record in Union County started March 10, 2022, lasting 1 hours and leaving up to 16,904 customers without power (65% of the county) at its peak.

July has historically been the worst month for outages in Union County, with 45 events recorded during that month across the dataset.

Based on this history, Union County earns a Reliability Grade of B, placing it in the 66th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Union County's outage profile

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Similar counties in Georgia

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

CountyGradeNational percentile
Fannin CountyB67th
Hart CountyB68th
Muscogee CountyB68th
Rockdale CountyB69th
Elbert CountyB63rd

FAQ

How often does power go out in Union County?

Between 2019 and 2025, Union County recorded 380 outage events, averaging 2.2 hours each.

What is Union County's reliability grade?

Union County has a Reliability Grade of B, in the 66th national percentile.

What was the worst power outage in Union County?

The worst outage on record started March 10, 2022, lasting 1 hours and affecting up to 16,904 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.