Clark County, Washington Power Outages, 2017 to 2023

Clark County, Washington had 10 major outages from 2017 to 2023

Lower outage time among US counties

Residents here averaged 0.20 times the US outage time per person and 0.25 times the Washington rate. It ranks 25 of 34 in the state, where 1 has the most. Data confidence: High, with 7 years of records.

1.4major outages per year

5 of 7years with a major outage

46 hrslongest major outage

Dec, Sephardest months

December and September made up 37% of this county's outage time. The largest outage on record began Dec 27, 2022, reached 31,966 customers, and left at least 200 customers out for 34.8 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.

200K

400K

600K

800K

2017'172018'182019'192020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2017	101,764	51	1
2018	81,113	70	0
2019	149,865	71	0
2020	265,343	57	1
2021	343,303	112	4
2022	558,431	92	2
2023	288,214	84	2

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
Dec 27, 2022	34.8	31,966	247,558
Sep 8, 2020	45.5	15,789	193,777
Apr 11, 2022	35.5	16,233	139,353
Feb 15, 2021	36.5	7,338	97,828
Jan 4, 2023	32.8	6,411	77,126

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.