Carson City County Power Outage History
2015–2025 · Nevada
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Nov 20, 2019 | 4 hrs | 14,038 (45%) | Unnamed event |
| Aug 31, 2016 | 4 hrs | 11,297 (36%) | Unnamed event |
| Jan 1, 2023 | 94 hrs | 9,209 (30%) | Heavy Snow |
| Dec 31, 2022 | 2 hrs | 6,214 (20%) | Heavy Snow |
| Jan 4, 2023 | 3 hrs | 5,068 (16%) | Heavy Snow |
Over the 11 years from 2015 to 2025, Carson City County recorded 339 distinct power outage events, averaging 2.7 hours per event.
The single worst outage on record in Carson City County started November 20, 2019, lasting 4 hours and leaving up to 14,038 customers without power (45% of the county) at its peak.
July has historically been the worst month for outages in Carson City County, with 56 events recorded during that month across the dataset.
Based on this history, Carson City County earns a Reliability Grade of B, placing it in the 71st percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Carson City County's outage profile
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Outage-prep kit
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Similar counties in Nevada
Counties with the closest reliability grade and national percentile to Carson City County.
| County | Grade | National percentile |
|---|---|---|
| Churchill County | B | 71st |
| Eureka County | B | 64th |
| Lyon County | C | 58th |
| Elko County | C | 56th |
| Washoe County | C | 54th |
FAQ
How often does power go out in Carson City County?
Between 2015 and 2025, Carson City County recorded 339 outage events, averaging 2.7 hours each.
What is Carson City County's reliability grade?
Carson City County has a Reliability Grade of B, in the 71st national percentile.
What was the worst power outage in Carson City County?
The worst outage on record started November 20, 2019, lasting 4 hours and affecting up to 14,038 customers.