County annual report · FIPS 06037
2018 Los Angeles County, CA Power Outage Report
In 2018, customers in Los Angeles County, CA went without power for an average of 4.1 hours, a total of 15.6M customer-hours (California average 3.7 hours). That ranks 19th worst of 57 California counties and 1225th of 2,798 nationally.
Compared with CA, the US and 2017
Coverage line is EAGLE-I's share of California customers tracked each year.
Biggest outages in Los Angeles County, 2018
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | September 21, 2018 14:00 | November 10, 2018 11:45 | 49d 21h | 109,409 | 3.7M |
| 2 | January 7, 2018 12:30 | January 19, 2018 09:30 | 11d 21h | 36,761 | 495K |
| 3 | June 22, 2018 14:15 | July 18, 2018 23:15 | 26d 9h | 35,109 | 2.2M |
| 4 | November 10, 2018 15:00 | November 18, 2018 05:45 | 7d 14h | 31,543 | 815K |
| 5 | September 15, 2018 04:00 | September 21, 2018 08:00 | 6d 4h | 30,209 | 450K |
| 6 | May 31, 2018 10:45 | June 22, 2018 06:45 | 21d 20h | 26,618 | 726K |
| 7 | July 26, 2018 18:00 | July 28, 2018 09:15 | 1d 15h | 21,152 | 109K |
| 8 | May 25, 2018 14:30 | May 31, 2018 09:45 | 5d 19h | 19,092 | 175K |
| 9 | December 3, 2018 14:45 | December 22, 2018 11:00 | 18d 20h | 18,779 | 887K |
| 10 | August 18, 2018 13:15 | September 14, 2018 21:45 | 27d 8h | 18,492 | 879K |
Outage episodes by size in 2018: 41 reached 100+ customers, 36 reached 1,000+ customers, 17 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 Los Angeles County reported on EIA Form 861 for 2018, 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 |
|---|---|---|---|---|---|
| Southern California Edison Co | 2018 | 2.3 hrs | 0.87 | 71 min | 0.72 |
| Los Angeles Department of Water & Power | 2018 | 2.4 hrs | 0.76 | 1.8 hrs | 0.73 |
| City of Pasadena - (CA) | 2018 | 20 min | 0.17 | 20 min | 0.17 |
| City of Vernon | 2013 | 42 min | 0.77 | 37 min | 0.46 |
| City of Azusa | - | - | - | - | - |
| City of Burbank Water and Power | - | - | - | - | - |
| City of Glendale - (CA) | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 91% of California's customers in 2018; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 3,762,600 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. Los Angeles County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Los Angeles County, CA annual power outage report, 2018, 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/2018/california/los-angeles-county