Benton County power outages

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

Benton County, Iowa had 4 major outages from 2015 to 2023

Higher outage time among US counties

Residents here averaged 2.29 times the US outage time per person and 2.69 times the Iowa rate. It ranks 6 of 97 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

0.4major outages per year
2 of 9years with a major outage
212 hrslongest major outage
Aug, Marhardest months

August and March made up 94% of this county's outage time. The largest outage on record began Aug 10, 2020, reached 10,178 customers, and left at least 200 customers out for 211.5 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
0.5M
1M
1.5M
2M
2015'152016'162017'172018'182019'192020'202021'212022'222023'23
Show yearly numbers
YearCustomer-hoursReported outagesMajor outages
201517,546190
201621,472251
20177,259110
20182,64630
20198,534130
20201,217,228143
202110,634140
20226,530170
202310,902160

When outages hit

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

0%
25%
50%
75%
100%
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start dateHoursPeak customersCustomer-hours
Aug 10, 2020211.510,1781,167,936
Aug 19, 202082.21,21033,422
Mar 29, 202016.04366,824
Mar 19, 20152.22,5325,091
Sep 6, 20203.81,1443,336

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.