County annual report · FIPS 06085
2024 Santa Clara County, CA Power Outage Report
In 2024, customers in Santa Clara County, CA went without power for an average of 7.8 hours, a total of 6.6M customer-hours (California average 6.1 hours). That ranks 36th worst of 57 California counties and 1150th of 2,990 nationally.
Compared with CA, the US and 2023
Coverage line is EAGLE-I's share of California customers tracked each year.
Biggest outages in Santa Clara County, 2024
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | January 21, 2024 08:00 | March 11, 2024 02:30 | 49d 18h | 145,840 | 3.7M |
| 2 | September 23, 2024 02:00 | October 15, 2024 12:00 | 22d 10h | 18,320 | 287K |
| 3 | December 8, 2024 15:15 | December 25, 2024 11:30 | 16d 20h | 16,863 | 352K |
| 4 | June 25, 2024 14:15 | July 16, 2024 10:00 | 20d 19h | 14,688 | 280K |
| 5 | March 13, 2024 15:15 | April 1, 2024 10:15 | 18d 19h | 8,665 | 177K |
| 6 | September 7, 2024 16:15 | September 15, 2024 14:00 | 7d 21h | 7,811 | 78K |
| 7 | October 21, 2024 13:15 | November 4, 2024 04:30 | 13d 15h | 6,999 | 145K |
| 8 | August 19, 2024 08:00 | August 22, 2024 10:15 | 3d 2h | 6,921 | 51K |
| 9 | July 29, 2024 13:45 | August 2, 2024 11:00 | 3d 21h | 6,805 | 51K |
| 10 | May 28, 2024 14:00 | June 25, 2024 13:15 | 27d 23h | 6,721 | 228K |
Outage episodes by size in 2024: 52 reached 100+ customers, 42 reached 1,000+ customers, 4 reached 10,000+ customers.
Utility reliability filed with the EIA
SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Santa Clara County reported on EIA Form 861 for 2024, or their most recent earlier filing. Utility-wide figures, not county-specific.
| Utility | EIA year | SAIDI | SAIFI | SAIDI excl. major events | SAIFI excl. major events |
|---|---|---|---|---|---|
| Pacific Gas & Electric Co. | 2024 | 8.5 hrs | 2.15 | 4.6 hrs | 1.82 |
| City of Palo Alto - (CA) | 2024 | 2.2 hrs | 0.88 | - | - |
| City of Santa Clara - (CA) | 2024 | 3.5 hrs | 0.91 | 2.7 hrs | 0.85 |
| WAPA-- Western Area Power Administration | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about n/a of California's customers in 2024; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 844,715 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
- An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
- Years loaded: 2015–2025. Santa Clara County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Santa Clara County, CA annual power outage report, 2024, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2024/california/santa-clara-county