County annual report · FIPS 06085
2019 Santa Clara County, CA Power Outage Report
In 2019, customers in Santa Clara County, CA went without power for an average of 4.0 hours, a total of 3.4M customer-hours (California average 9.6 hours). That ranks 41st worst of 57 California counties and 1330th of 2,945 nationally.
Compared with CA, the US and 2018
Coverage line is EAGLE-I's share of California customers tracked each year.
Biggest outages in Santa Clara County, 2019
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | October 10, 2019 05:30 | October 10, 2019 16:00 | 10h 30m | 36,001 | 296K |
| 2 | October 10, 2019 19:15 | October 10, 2019 19:30 | 15m | 31,696 | 7,924 |
| 3 | October 27, 2019 06:30 | October 29, 2019 08:00 | 2d 1h | 29,100 | 888K |
| 4 | October 10, 2019 20:15 | October 15, 2019 06:30 | 4d 10h | 28,706 | 109K |
| 5 | January 15, 2019 15:15 | January 17, 2019 10:00 | 1d 18h | 27,098 | 72K |
| 6 | October 24, 2019 14:00 | October 27, 2019 05:45 | 2d 15h | 26,688 | 53K |
| 7 | May 1, 2019 14:00 | May 7, 2019 09:45 | 5d 19h | 22,834 | 57K |
| 8 | February 16, 2019 01:45 | February 23, 2019 05:15 | 7d 3h | 22,021 | 73K |
| 9 | February 25, 2019 15:00 | March 22, 2019 14:45 | 24d 23h | 9,928 | 120K |
| 10 | August 21, 2019 14:45 | August 27, 2019 13:15 | 5d 22h | 9,517 | 38K |
Outage episodes by size in 2019: 123 reached 100+ customers, 74 reached 1,000+ customers, 8 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 2019, 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. | 2018 | 5.0 hrs | 1.18 | 2.1 hrs | 1.08 |
| City of Palo Alto - (CA) | 2018 | 78 min | 0.50 | - | - |
| City of Santa Clara - (CA) | 2013 | 51 min | 0.52 | - | - |
| 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 93% of California's customers in 2019; 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, 2019, 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/2019/california/santa-clara-county