massoutage

2025 California Power Outage Report

In 2025, the average California customer went without power for about 7.6 hours — the 9th worst of any US state that year, 1.4× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
7.6
Peak customers out
1,717,886
Rank (worst state)
9th
Counties affected
20

California outages over the decade

Average hours without power per customer, 2025 highlighted.

3.1h20152.5h20162.2h20173.7h20189.6h20196.3h20206.6h20214.9h20227.9h20236.1h20247.6h2025

Hardest-hit California counties in 2025

By peak customers out during the year's worst event.

1Los Angeles County1,717,8862San Bernardino County1,383,5563Ventura County1,077,6934Orange County253,4495San Francisco County131,8986Riverside County105,5577Kern County79,3278San Joaquin County61,2189Santa Clara County40,07010San Mateo County36,84011Santa Cruz County26,82212Sacramento County25,26813El Dorado County23,13614Monterey County22,73915Sonoma County21,74116Nevada County21,26317Placer County20,49318San Diego County20,33819Siskiyou County19,35920Merced County17,949

Biggest California outages of 2025

CountyBeganPeak customers out
Los Angeles CountyJanuary 8, 20251,717,886
San Bernardino CountyJanuary 8, 20251,383,556
Ventura CountyJanuary 8, 20251,077,693
Los Angeles CountyJanuary 6, 2025331,150
Orange CountyJanuary 8, 2025253,449
San Bernardino CountyJanuary 8, 2025241,888
Los Angeles CountyNovember 1, 2025167,769
San Francisco CountyDecember 20, 2025131,898
San Francisco CountyMay 19, 2025123,469
Riverside CountyJanuary 8, 2025105,557
California by year:20242023202220212020201920182017
Other states in 2025:WVMIAKPANCMO

Part of the 2025 US Power Outage Report. Source: DOE/ORNL EAGLE-I. “Avg hours per customer” is a SAIDI-like measure (outage customer-minutes ÷ tracked customers); coverage varies by year.