Story County, Iowa Power Outages, 2015 to 2023

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

Above middle outage time among US counties

Residents here averaged 0.98 times the US outage time per person and 1.15 times the Iowa rate. It ranks 15 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, Octhardest months

August and October made up 90% of this county's outage time. The largest outage on record began Aug 10, 2020, reached 35,836 customers, and left at least 200 customers out for 212.5 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.

0.5M

1.5M

2015'152016'162017'172018'182019'192020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	16,808	19	0
2016	5,789	10	0
2017	16,882	20	0
2018	18,862	12	0
2019	18,143	15	0
2020	1,959,794	29	3
2021	50,087	35	1
2022	65,780	22	0
2023	61,463	16	0

When outages hit

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

25%

50%

75%

100%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Aug 10, 2020	212.5	35,836	1,902,646
Oct 27, 2023	5.0	6,111	29,147
Jul 4, 2022	2.0	15,524	24,023
Apr 12, 2020	13.2	1,446	18,929
Aug 27, 2020	11.5	1,807	13,975

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.