Walworth County, South Dakota Power Outages, 2017 to 2023

Walworth County, South Dakota had no major outages from 2017 to 2023

Lower outage time among US counties

Residents here averaged 0.26 times the US outage time per person and 0.54 times the South Dakota rate. It ranks 25 of 32 in the state, where 1 has the most. Data confidence: High, with 7 years of records.

0.0major outages per year

0 of 7years with a major outage

Nonelongest major outage

Oct, Junhardest months

October and June made up 58% of this county's outage time. The largest outage on record began Oct 14, 2021, reached 2,454 customers, and left at least 200 customers out for 3.5 hours.

Outage time per resident, rated South Dakota counties

MostLeast

Outage impact by year

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

2,000

4,000

6,000

8,000

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

Show yearly numbers

Year	Customer-hours	Reported outages
2017	5,479	8
2018	2,312	6
2019	3,257	7
2020	432	2
2021	6,042	3
2022	4,334	6
2023	1,934	3

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
Oct 14, 2021	3.5	2,454	5,485
Jun 4, 2017	2.0	2,073	2,660
May 31, 2023	2.2	771	1,610
Oct 17, 2019	1.5	1,040	1,560
Sep 28, 2022	0.8	2,021	1,405

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.