massoutage

2020 Washington Power Outage Report

In 2020, the average Washington customer went without power for about 4.2 hours — the 32nd worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
4.2
Peak customers out
52,571
Rank (worst state)
32nd
Counties affected
20

Washington outages over the decade

Average hours without power per customer, 2020 highlighted.

9.1h20153.2h20163.3h20172.1h20182.0h20194.2h20208.7h20216.6h20222.6h202312.1h20247.0h2025

Hardest-hit Washington counties in 2020

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

1Pierce County52,5712King County49,5353Island County48,3564Kitsap County26,8885Snohomish County23,2346Spokane County17,0967Clark County15,7898Whatcom County15,0799Yakima County13,56010Kittitas County8,93011Thurston County8,08012Mason County6,68113Stevens County6,47814Skagit County5,83915Benton County5,53016Lewis County5,20617San Juan County4,85818Walla Walla County4,59419Jefferson County4,42320Pend Oreille County2,932

Biggest Washington outages of 2020

CountyBeganPeak customers out
Pierce CountySeptember 7, 202052,571
King CountyOctober 6, 202049,535
Island CountyNovember 12, 202048,356
King CountySeptember 1, 202032,631
King CountyFebruary 10, 202030,875
Kitsap CountyOctober 11, 202026,888
Pierce CountyOctober 11, 202026,469
Island CountyJanuary 31, 202024,013
Snohomish CountyJanuary 31, 202023,234
Kitsap CountyJanuary 10, 202018,196
Washington by year:20252024202320222021201920182017
Other states in 2020:LAMEOKIAALNC

Part of the 2020 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.