Washington County, Wisconsin Power Outages, 2015 to 2023

Washington County, Wisconsin had 23 major outages from 2015 to 2023

Below middle outage time among US counties

Residents here averaged 0.49 times the US outage time per person and 0.89 times the Wisconsin rate. It ranks 31 of 70 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

2.6major outages per year

9 of 9years with a major outage

43 hrslongest major outage

Aug, Junhardest months

August and June made up 37% of this county's outage time. The largest outage on record began Nov 5, 2022, reached 10,619 customers, and left at least 200 customers out for 39.2 hours.

Outage time per resident, rated Wisconsin counties

MostLeast

Outage impact by year

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

100K

200K

300K

400K

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	56,398	23	1
2016	92,117	37	2
2017	168,382	33	2
2018	147,419	33	2
2019	117,484	45	2
2020	128,007	62	2
2021	268,252	60	4
2022	326,800	55	6
2023	192,184	46	2

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
Nov 5, 2022	39.2	10,619	111,365
Jun 13, 2017	42.0	7,305	93,685
Jul 29, 2023	41.5	10,109	90,978
Jul 24, 2022	28.0	3,220	52,144
Aug 28, 2018	24.2	3,265	50,902

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.