Washington County, Oregon Power Outages, 2015 to 2023

Washington County, Oregon had 15 major outages from 2015 to 2023

Below middle outage time among US counties

Residents here averaged 0.51 times the US outage time per person and 0.46 times the Oregon rate. It ranks 23 of 32 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

1.7major outages per year

7 of 9years with a major outage

132 hrslongest major outage

Apr, Febhardest months

April and February made up 35% of this county's outage time. The largest outage on record began Apr 7, 2017, reached 69,448 customers, and left at least 200 customers out for 74.2 hours.

Outage time per resident, rated Oregon counties

MostLeast

Outage impact by year

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

0.5M

1.5M

2015'152016'162017'172018'182019'192020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	388,757	136	1
2016	463,924	122	2
2017	1,543,592	164	3
2018	258,276	132	0
2019	456,311	126	1
2020	586,503	103	1
2021	1,610,786	143	3
2022	1,367,075	171	4
2023	242,614	111	0

When outages hit

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

10%

15%

20%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Apr 7, 2017	74.2	69,448	1,000,828
Feb 13, 2021	132.5	29,747	829,140
Dec 27, 2022	90.8	40,396	531,362
Sep 8, 2020	43.0	18,956	312,785
Sep 9, 2022	52.2	9,802	268,993

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.

Phones, Wi-Fi, lights, about 60 WRefrigerator, about 60 WChest freezer, about 40 WGas furnace fan, about 160 W

Hours to cover: 24

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.