massoutage

2019 California Power Outage Report

In 2019, the average California customer went without power for about 9.6 hours — the 5th worst of any US state that year, 1.7× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
9.6
Peak customers out
135,474
Rank (worst state)
5th
Counties affected
20

California outages over the decade

Average hours without power per customer, 2019 highlighted.

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

Hardest-hit California counties in 2019

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

1Sacramento County135,4742Marin County122,8753Los Angeles County108,1114Sonoma County105,8235Alameda County88,6086Orange County83,3827Humboldt County70,8468Contra Costa County70,2679El Dorado County66,49310Santa Cruz County57,05211San Mateo County56,55512Nevada County53,33013Solano County50,37414Placer County47,14315Napa County46,27916Mendocino County41,59917Lake County39,57318Shasta County38,02119Tuolumne County37,53320San Bernardino County36,385

Biggest California outages of 2019

CountyBeganPeak customers out
Sacramento CountyJanuary 6, 2019135,474
Marin CountyOctober 27, 2019122,875
Los Angeles CountyJuly 8, 2019108,111
Sonoma CountyOctober 27, 2019105,823
Sonoma CountyOctober 23, 201996,254
Alameda CountyOctober 27, 201988,608
Sonoma CountyOctober 29, 201988,563
Sonoma CountyOctober 29, 201986,382
Orange CountyOctober 4, 201983,382
Marin CountyOctober 29, 201978,974
California by year:20252024202320222021202020182017
Other states in 2019:WVNCMILAVTVA

Part of the 2019 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.