massoutage

2018 Washington Power Outage Report

In 2018, the average Washington customer went without power for about 2.1 hours — the 36th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
2.1
Peak customers out
46,213
Rank (worst state)
36th
Counties affected
20

Washington outages over the decade

Average hours without power per customer, 2018 highlighted.

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

Hardest-hit Washington counties in 2018

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

1King County46,2132Kitsap County32,5363Pierce County29,4964Island County17,8915Thurston County17,8526Yakima County14,8527Skagit County13,2188Walla Walla County9,1259Whatcom County8,40510Spokane County6,60611Clark County6,14612Stevens County5,40213Kittitas County2,80314Asotin County2,58815San Juan County2,30116Columbia County2,04117Ferry County1,64218Whitman County1,45219Garfield County1,15120Cowlitz County541

Biggest Washington outages of 2018

CountyBeganPeak customers out
King CountyDecember 3, 201846,213
Kitsap CountyFebruary 17, 201832,536
Pierce CountyDecember 20, 201829,496
King CountyFebruary 5, 201827,026
Kitsap CountyDecember 15, 201823,425
King CountyAugust 6, 201819,533
Island CountyAugust 11, 201817,891
Thurston CountyDecember 12, 201817,852
Pierce CountySeptember 17, 201816,795
Yakima CountyMarch 9, 201814,852
Washington by year:20252024202320222021202020192017
Other states in 2018:NCVAWVMARIVT

Part of the 2018 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.