massoutage

2017 California Power Outage Report

In 2017, the average California customer went without power for about 2.2 hours — the 35th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
2.2
Peak customers out
106,947
Rank (worst state)
35th
Counties affected
20

California outages over the decade

Average hours without power per customer, 2017 highlighted.

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

Hardest-hit California counties in 2017

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

1Ventura County106,9472Sacramento County76,1803Santa Barbara County56,6504San Diego County47,4195Los Angeles County44,3276San Bernardino County29,2697Orange County23,3778Siskiyou County20,2139Tulare County16,11510Riverside County15,79511Kern County9,85712Del Norte County9,78413El Dorado County4,93714Inyo County4,64515Kings County3,86816Fresno County2,70717Mono County2,66518Placer County1,41519Alpine County47320Modoc County349

Biggest California outages of 2017

CountyBeganPeak customers out
Ventura CountyDecember 4, 2017106,947
Sacramento CountyJanuary 18, 201776,180
Sacramento CountyFebruary 17, 201765,760
Santa Barbara CountyDecember 4, 201756,650
San Diego CountyJuly 25, 201747,419
Los Angeles CountyJuly 7, 201744,327
Los Angeles CountyFebruary 12, 201742,706
Sacramento CountyMay 2, 201740,648
Sacramento CountyJune 26, 201739,753
San Diego CountyJanuary 19, 201739,029
California by year:20252024202320222021202020192018
Other states in 2017:FLMEWVNHGARI

Part of the 2017 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.