PowerOutageHistory
C

Lyon County Power Outage History

20152025 · Nevada

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

Total events
506
Avg duration
2.0 hrs
Longest outage
82 hrs
National percentile
58th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jan 1, 202382 hrs11,835 (41%)Heavy Snow
Aug 25, 202514 hrs8,199 (29%)Flash Flood
Aug 10, 20232 hrs6,886 (24%)Unnamed event
Dec 7, 20172 hrs5,443 (19%)Unnamed event
Apr 11, 20243 hrs5,380 (19%)High Wind

Over the 11 years from 2015 to 2025, Lyon County recorded 506 distinct power outage events, averaging 2.0 hours per event.

The single worst outage on record in Lyon County started January 1, 2023 (Heavy Snow), lasting 82 hours and leaving up to 11,835 customers without power (41% of the county) at its peak.

July has historically been the worst month for outages in Lyon County, with 68 events recorded during that month across the dataset.

Based on this history, Lyon County earns a Reliability Grade of C, placing it in the 58th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Lyon County's outage profile

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

Outage-prep kit

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Similar counties in Nevada

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

CountyGradeNational percentile
Elko CountyC56th
Washoe CountyC54th
Eureka CountyB64th
Churchill CountyB71st
Carson City CountyB71st

FAQ

How often does power go out in Lyon County?

Between 2015 and 2025, Lyon County recorded 506 outage events, averaging 2.0 hours each.

What is Lyon County's reliability grade?

Lyon County has a Reliability Grade of C, in the 58th national percentile.

What was the worst power outage in Lyon County?

The worst outage on record started January 1, 2023 (Heavy Snow), lasting 82 hours and affecting up to 11,835 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.