McPherson County power outages

South Dakota outage history from 2017 to 2023, with the largest outages and a backup battery estimate.

This county is not rated. Its numbers may not reflect what residents experienced.

McPherson County, South Dakota had 3 major outages from 2017 to 2023

Not rated

We show this record but do not rank it because the history is short, the population is very small, or customer counts look too high for the population. Treat these numbers with caution. Data confidence: Low, with 7 years of records.

0.4major outages per year
1 of 7years with a major outage
86 hrslongest major outage
Oct, Febhardest months

October and February made up 83% of this county's outage time. The largest outage on record began Oct 24, 2021, reached 256 customers, and left at least 200 customers out for 86.0 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.

0
20K
40K
60K
80K
2017'172018'182019'192020'202021'212022'222023'23
Show yearly numbers
YearCustomer-hoursReported outagesMajor outages
201748620
2018000
20197210
20203,891110
202143,863143
20222,72860
20231,21250

When outages hit

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

0%
20%
40%
60%
80%
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start dateHoursPeak customersCustomer-hours
Oct 24, 202186.025621,644
Oct 21, 202153.226013,194
Oct 21, 202116.02604,061
Feb 4, 20214.06082,417
Jul 18, 20201.5632946

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.

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.

Look up another county

Other South Dakota counties

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.