Sacramento County Power Outage History
2014–2025 · California
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jan 8, 2023 | 8 hrs | 348,829 (53%) | Drought |
| Jan 8, 2023 | 137 hrs | 294,707 (45%) | Drought |
| Feb 4, 2024 | 104 hrs | 207,107 (32%) | Strong Wind |
| Jan 1, 2023 | 130 hrs | 175,559 (27%) | Drought |
| Jan 27, 2021 | 63 hrs | 156,263 (24%) | Drought |
Over the 12 years from 2014 to 2025, Sacramento County recorded 3,973 distinct power outage events, averaging 1.7 hours per event.
The single worst outage on record in Sacramento County started January 8, 2023 (Drought), lasting 8 hours and leaving up to 348,829 customers without power (53% of the county) at its peak.
June has historically been the worst month for outages in Sacramento County, with 430 events recorded during that month across the dataset.
Based on this history, Sacramento County earns a Reliability Grade of C, placing it in the 59th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Sacramento County's outage profile
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Similar counties in California
Counties with the closest reliability grade and national percentile to Sacramento County.
| County | Grade | National percentile |
|---|---|---|
| Contra Costa County | C | 59th |
| Kern County | B | 60th |
| San Diego County | B | 61st |
| Santa Clara County | C | 56th |
| Tulare County | C | 56th |
FAQ
How often does power go out in Sacramento County?
Between 2014 and 2025, Sacramento County recorded 3,973 outage events, averaging 1.7 hours each.
What is Sacramento County's reliability grade?
Sacramento County has a Reliability Grade of C, in the 59th national percentile.
What was the worst power outage in Sacramento County?
The worst outage on record started January 8, 2023 (Drought), lasting 8 hours and affecting up to 348,829 customers.