Plymouth County power outages

Iowa outage history from 2015 to 2023, with the largest outages and a backup battery estimate.

Plymouth County, Iowa had 1 major outage from 2015 to 2023

Lower outage time among US counties

Residents here averaged 0.12 times the US outage time per person and 0.14 times the Iowa rate. It ranks 89 of 97 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

0.1major outages per year
1 of 9years with a major outage
21 hrslongest major outage
Jun, Dechardest months

June and December made up 54% of this county's outage time. The largest outage on record began Jun 18, 2016, reached 2,232 customers, and left at least 200 customers out for 20.8 hours.

Outage time per resident, rated Iowa counties
MostLeast

Outage impact by year

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

0
10K
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2015'152016'162017'172018'182019'192020'202021'212022'222023'23
Show yearly numbers
YearCustomer-hoursReported outagesMajor outages
20155110
201622,371121
20175,36470
20186,540110
20196,354120
20205,417130
20217,37160
202211,152180
20231,97940

When outages hit

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

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10%
20%
30%
40%
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start dateHoursPeak customersCustomer-hours
Jun 18, 201620.82,23216,733
Dec 15, 20216.51,3875,734
Jun 14, 20173.09192,584
Jan 25, 20224.25702,336
Dec 13, 20224.83511,630

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.

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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.