Dickinson County power outages

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

Dickinson County, Iowa had 2 major outages from 2015 to 2023

Lower outage time among US counties

Residents here averaged 0.32 times the US outage time per person and 0.37 times the Iowa rate. It ranks 54 of 97 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

0.2major outages per year
2 of 9years with a major outage
12 hrslongest major outage
Apr, Junhardest months

April and June made up 41% of this county's outage time. The largest outage on record began Mar 9, 2019, reached 9,861 customers, and left at least 200 customers out for 2.0 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
20K
30K
40K
2015'152016'162017'172018'182019'192020'202021'212022'222023'23
Show yearly numbers
YearCustomer-hoursReported outagesMajor outages
20154,06870
201620,648191
20179,092100
201812,43150
201934,132111
20202,992120
20215,225110
202226,726150
202311,663120

When outages hit

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

0%
10%
20%
30%
40%
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start dateHoursPeak customersCustomer-hours
Mar 9, 20192.09,86118,858
Jun 14, 201610.03,77012,745
Apr 23, 20222.08,53011,865
Apr 11, 201912.51,3727,010
Apr 14, 20181.54,2756,187

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.