Yakima County power outages

Washington outage history from 2017 to 2023, with the largest outages and a backup battery estimate.

Yakima County, Washington had 8 major outages from 2017 to 2023

Lower outage time among US counties

Residents here averaged 0.31 times the US outage time per person and 0.38 times the Washington rate. It ranks 22 of 34 in the state, where 1 has the most. Data confidence: High, with 7 years of records.

1.1major outages per year
5 of 7years with a major outage
58 hrslongest major outage
May, Aughardest months

May and August made up 48% of this county's outage time. The largest outage on record began May 31, 2020, reached 13,560 customers, and left at least 200 customers out for 57.8 hours.

Outage time per resident, rated Washington counties
MostLeast

Outage impact by year

Customer-hours without power. 1,000 customers out for 2 hours is 2,000 customer-hours.

0
200K
400K
600K
800K
2017'172018'182019'192020'202021'212022'222023'23
Show yearly numbers
YearCustomer-hoursReported outagesMajor outages
2017121,205371
2018225,470762
2019101,138670
2020430,993972
2021201,324782
2022163,936951
2023120,973870

When outages hit

Share of this county's customer-hours by month.

0%
10%
20%
30%
40%
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start dateHoursPeak customersCustomer-hours
May 31, 202057.813,560250,775
Aug 24, 201818.53,86858,790
May 9, 20219.86,17953,080
Oct 21, 201727.08,65639,099
Sep 7, 202032.82,69936,664

Hours measure how long at least 200 customers in the county were out. Most customers get power back sooner.

Size your backup battery

Start with what you would keep running. Wattages are typical averages, so check your own appliances.

1,700 Whof battery capacity, allowing for about 15% conversion loss

If anyone relies on medical equipment, plan that with their provider. Run portable fuel generators outdoors only, at least 20 feet from doors, windows and vents. See the outage checklist.

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How to read this

  • A major outage lasted at least 8 hours and reached customers equal to at least 1% of county residents.
  • Records cover outages of at least 200 customers in a county. They do not show what happened on your street.
  • Utilities that do not report can make a county look better than it is. Data ends in 2023. Read the full method.