massoutage

2021 Washington Power Outage Report

In 2021, the average Washington customer went without power for about 8.7 hours, the 9th worst of 51 states (US average 8.4 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
8.7
vs prior year
▲ 107%
vs 2020
Customer-hours out
30.1M
Peak customers out
563,788
across the state at once
EAGLE-I coverage
87%
of WA customers
Counties reporting
33

Washington year over year

Washington: average hours without power per customer by year2015: 9.1h; 2016: 3.2h; 2017: 3.3h; 2018: 2.1h, coverage 71%; 2019: 2.0h, coverage 86%; 2020: 4.2h, coverage 87%; 2021: 8.7h, coverage 87%; 2022: 6.6h, coverage 87%; 2023: 2.6h; 2024: 12.1h; 2025: 7.0h0510150%50%100%9.1h20153.2h20163.3h20172.1h20182.0h20194.2h20208.7h20216.6h20222.6h202312.1h20247.0h2025
Use the arrow keys to read values.
Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Month by month, 2021

Customer-hours without power across Washington; January was the worst.

CSVJSON
Washington customer-hours without power by month, 2021Jan 13.3M, Feb 1.2M, Mar 470K, Apr 571K, May 560K, Jun 1.1M, Jul 457K, Aug 748K, Sep 2.4M, Oct 3.1M, Nov 4.4M, Dec 1.9M05M10M15M13.3MJan1.2MFeb470KMar571KApr560KMay1.1MJun457KJul748KAug2.4MSep3.1MOct4.4MNov1.9MDec
Use the arrow keys to read values.

All 33 Washington counties, 2021

Ranked by average hours without power per customer. Each county links to its annual report.

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Island County32.72.8M87,19648,278546
2San Juan County24.0373K15,56914,431255
3Skagit County22.81.4M62,21621,175556
4Whatcom County21.71.2M56,74717,651632
5Pierce County18.33.5M190,282107,403524
6Ferry County14.081K5,8071,689236
7Stevens County13.4410K30,67110,771621
8Jefferson County12.4338K27,32211,002214
9Thurston County10.71.5M141,01739,455578
10Spokane County10.72.3M217,35148,590649
11Kitsap County10.61.3M126,24227,910580
12Clallam County10.0437K43,72617,351313
13Mason County9.9372K37,52923,192757
14King County9.69.3M963,744215,58656
15Kittitas County9.6201K21,0554,228310
16Lewis County7.3396K53,9196,132400
17Lincoln County5.736K6,307497421
18Garfield County4.84,68896834096
19Snohomish County4.73.0M638,02984,976814
20Douglas County3.047K15,7542,682367
21Columbia County2.95,7591,9601,04379
22Yakima County2.2262K120,50110,327783
23Walla Walla County1.957K30,0507,290489
24Whitman County1.990K47,4092,109426
25Clark County1.8388K210,59528,581730
26Asotin County1.836K20,7971,963189
27Adams County1.422K14,9102,054263
28Benton County1.4112K80,3514,072574
29Pend Oreille County0.21,9649,34625540
30Franklin County0.14,52932,73454479
31Cowlitz County0.16,80850,75156622
32Grant County0.13,53550,66760881
33Chelan County0.023650,4561051

Biggest Washington outages of 2021

Up to 25 county outage episodes with the most customers out at once.

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1King County, WAJanuary 11, 2021 15:15January 24, 2021 15:1513d215,5864.0M
2King County, WAOctober 21, 2021 05:16November 17, 2021 15:1527d 9h110,2432.5M
3Pierce County, WAJanuary 7, 2021 16:15January 19, 2021 17:0012d107,4031.5M
4Snohomish County, WAJanuary 13, 2021 06:30January 18, 2021 04:004d 21h84,9761.7M
5Pierce County, WASeptember 17, 2021 15:30September 22, 2021 13:304d 22h55,715428K
6Spokane County, WAJanuary 13, 2021 07:00January 20, 2021 04:456d 21h48,5901.7M
7Island County, WAJanuary 13, 2021 05:30January 18, 2021 00:004d 18h48,2781.1M
8King County, WASeptember 7, 2021 19:30October 3, 2021 04:3025d 9h40,660709K
9Island County, WANovember 15, 2021 10:45November 20, 2021 09:304d 22h39,5061.1M
10Thurston County, WAJanuary 12, 2021 10:00January 17, 2021 16:155d 6h39,455682K
11Pierce County, WAOctober 24, 2021 14:00October 27, 2021 23:453d 9h34,842321K
12Snohomish County, WAOctober 24, 2021 10:15October 27, 2021 18:453d 8h32,199232K
13Pierce County, WANovember 8, 2021 17:00November 10, 2021 06:151d 13h31,15965K
14Clark County, WAFebruary 13, 2021 06:00February 14, 2021 05:0023h28,58134K
15Kitsap County, WAJanuary 13, 2021 04:15January 16, 2021 04:002d 23h27,910381K
16Thurston County, WASeptember 27, 2021 05:15September 29, 2021 04:451d 23h24,95821K
17Snohomish County, WANovember 14, 2021 01:45November 18, 2021 12:454d 11h24,583284K
18Thurston County, WANovember 15, 2021 14:45November 18, 2021 07:302d 16h23,248234K
19Mason County, WAJanuary 13, 2021 04:15January 14, 2021 23:301d 19h23,192139K
20Island County, WASeptember 17, 2021 16:15September 20, 2021 06:452d 14h22,186197K
21Clark County, WAJune 26, 2021 21:45June 27, 2021 09:3011h 45m21,99712K
22Spokane County, WAApril 22, 2021 11:30April 23, 2021 06:1518h 45m21,67983K
23Skagit County, WAJanuary 13, 2021 05:30January 18, 2021 05:154d 23h21,175637K
24Island County, WADecember 8, 2021 03:30December 9, 2021 18:151d 14h20,769193K
25Pierce County, WANovember 14, 2021 17:00November 18, 2021 11:303d 18h20,287166K
EAGLE-I tracked about 87% of Washington's electricity customers in 2021; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Washington by year:2025202420232022202020192018201720162015
Other states in 2021:LAMIWVORTXMSKYNC

Part of the 2021 US Power Outage Report.

Data from DOE EAGLE-I, every source we read.