San Juan County, Washington Power Outages, 2018 to 2023

San Juan County, Washington had 9 major outages from 2018 to 2023

Higher outage time among US counties

Residents here averaged 4.45 times the US outage time per person and 5.55 times the Washington rate. It ranks 1 of 34 in the state, where 1 has the most. Data confidence: Medium, with 6 years of records.

1.5major outages per year

4 of 6years with a major outage

46 hrslongest major outage

Sep, Janhardest months

September and January made up 56% of this county's outage time. The largest outage on record began Jan 13, 2021, reached 14,431 customers, and left at least 200 customers out for 19.2 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.

200K

400K

600K

800K

2018'182019'192020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2018	24,440	7	1
2019	27,170	13	0
2020	38,463	32	0
2021	350,070	45	1
2022	472,309	27	6
2023	306,903	19	1

When outages hit

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

10%

20%

30%

40%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Jan 13, 2021	19.2	14,431	261,943
Dec 23, 2022	17.8	14,728	150,681
Sep 26, 2023	7.8	14,753	112,390
Sep 16, 2022	6.5	14,552	92,130
Dec 24, 2022	8.8	14,732	91,166

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.