Tulare 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 |
|---|---|---|---|
| Oct 25, 2021 | 1 hrs | 75,292 (40%) | Drought |
| Jan 8, 2020 | 8 hrs | 24,731 (13%) | Unnamed event |
| Mar 17, 2023 | 4 hrs | 21,167 (11%) | Heavy Snow |
| Dec 12, 2016 | <1 hr | 16,902 (9%) | Unnamed event |
| Jun 29, 2021 | <1 hr | 16,806 (9%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Tulare County, California that day.
Over the 12 years from 2014 to 2025, Tulare County recorded 3,059 distinct power outage events, averaging 3.4 hours per event.
The single worst outage on record in Tulare County started October 25, 2021 (Drought), lasting 1 hours and leaving up to 75,292 customers without power (40% of the county) at its peak.
May has historically been the worst month for outages in Tulare County, with 311 events recorded during that month across the dataset.
Based on this history, Tulare County earns a Reliability Grade of C, placing it in the 56th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in California
Counties with the closest reliability grade and national percentile to Tulare County.
| County | Grade | National percentile |
|---|---|---|
| Santa Clara County | C | 56th |
| Contra Costa County | C | 59th |
| Sacramento County | C | 59th |
| Kern County | B | 60th |
| San Diego County | B | 61st |
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 Tulare County?
Between 2014 and 2025, Tulare County recorded 3,059 outage events, averaging 3.4 hours each.
What is Tulare County's reliability grade?
Tulare County has a Reliability Grade of C, in the 56th national percentile.
What was the worst power outage in Tulare County?
The worst outage on record started October 25, 2021 (Drought), lasting 1 hours and affecting up to 75,292 customers.