PowerOutageHistory
B

Kings County Power Outage History

20142025 · California

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

Total events
717
Avg duration
2.0 hrs
Longest outage
28 hrs
National percentile
78th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Sep 18, 20210 hrs22,092 (35%)Unnamed event
Apr 25, 20166 hrs19,643 (31%)Unnamed event
Nov 30, 20235 hrs10,978 (17%)Frost/Freeze
Sep 10, 20228 hrs10,460 (17%)Hurricane Kay
Jan 6, 20252 hrs9,958 (16%)Dense Fog

Over the 12 years from 2014 to 2025, Kings County recorded 717 distinct power outage events, averaging 2.0 hours per event.

The single worst outage on record in Kings County started September 18, 2021, lasting 0 hours and leaving up to 22,092 customers without power (35% of the county) at its peak.

December has historically been the worst month for outages in Kings County, with 71 events recorded during that month across the dataset.

Based on this history, Kings County earns a Reliability Grade of B, placing it in the 78th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Kings 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.

Similar counties in California

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

CountyGradeNational percentile
San Benito CountyB80th
Modoc CountyB75th
Imperial CountyB75th
San Francisco CountyB73rd
Fresno CountyB71st

FAQ

How often does power go out in Kings County?

Between 2014 and 2025, Kings County recorded 717 outage events, averaging 2.0 hours each.

What is Kings County's reliability grade?

Kings County has a Reliability Grade of B, in the 78th national percentile.

What was the worst power outage in Kings County?

The worst outage on record started September 18, 2021, lasting 0 hours and affecting up to 22,092 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.