PowerOutageHistory
C

Stone County Power Outage History

20142025 · Mississippi

Average — typical outage frequency and duration nationally. How grades are calculated

Total events
750
Avg duration
1.6 hrs
Longest outage
120 hrs
National percentile
42nd

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Oct 28, 2020120 hrs8,600 (63%)Hurricane Zeta
Apr 5, 20252 hrs6,749 (49%)Unnamed event
Mar 11, 20194 hrs5,598 (41%)Unnamed event
Nov 1, 20191 hrs5,535 (40%)Unnamed event
Mar 8, 20251 hrs3,968 (29%)Unnamed event

Over the 12 years from 2014 to 2025, Stone County recorded 750 distinct power outage events, averaging 1.6 hours per event.

The single worst outage on record in Stone County started October 28, 2020 (Hurricane Zeta), lasting 120 hours and leaving up to 8,600 customers without power (63% of the county) at its peak.

July has historically been the worst month for outages in Stone County, with 92 events recorded during that month across the dataset.

Based on this history, Stone County earns a Reliability Grade of C, placing it in the 42nd percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Stone County's outage profile

See more picks in our Best Dual-Fuel Portable Generators for Power Outages roundup.

Outage-prep kit

See our outage-prep guides.

Similar counties in Mississippi

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

CountyGradeNational percentile
Pearl River CountyC43rd
Rankin CountyC41st
Wayne CountyC43rd
Marion CountyD40th
Lauderdale CountyC45th

FAQ

How often does power go out in Stone County?

Between 2014 and 2025, Stone County recorded 750 outage events, averaging 1.6 hours each.

What is Stone County's reliability grade?

Stone County has a Reliability Grade of C, in the 42nd national percentile.

What was the worst power outage in Stone County?

The worst outage on record started October 28, 2020 (Hurricane Zeta), lasting 120 hours and affecting up to 8,600 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.