Lyon CountyPower Outage History
What this grade means
Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jan 1, 2023 | 82 hrs | 11,835 (41%) | Heavy Snow |
| Aug 25, 2025 | 14 hrs | 8,199 (29%) | Flash Flood |
| Aug 10, 2023 | 2 hrs | 6,886 (24%) | Unnamed event |
| Dec 7, 2017 | 2 hrs | 5,443 (19%) | Unnamed event |
| Apr 11, 2024 | 3 hrs | 5,380 (19%) | High Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Lyon County, Nevada that day.
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).
Similar counties in Nevada
Counties with the closest reliability grade and national percentile to Lyon County.
| County | Grade | National percentile |
|---|---|---|
| Elko County | C | 56th |
| Washoe County | C | 54th |
| Eureka County | B | 64th |
| Churchill County | B | 71st |
| Carson City County | B | 71st |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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.