massoutage

County annual report · FIPS 19041

2023 Clay County, IA Power Outage Report

In 2023, customers in Clay County, IA went without power for an average of 0.4 hours, a total of 4,823 customer-hours (Iowa average 2.0 hours). That ranks 96th worst of 99 Iowa counties and 2849th of 2,977 nationally.

Summary data CSVJSON
Avg hrs / customer
0.4
13,668 customers
Customer-hours out
4,823
Peak customers out
433
Outages ≥1,000 out
0
0 of 10,000+ · 152 total
Longest outage
2d 13h
began February 25, 2023
Rank in state
96th/99
2849th of 2,977 US

Compared with IA, the US and 2022

Clay County, IA average hours without power per customer compared with state and national averages, 2023Clay County 0.4 hours, Iowa average 2.0 hours, US average 7.1 hours, Clay County, 2022 0.7 hoursClay CountyClay County0.4hIowa averageIowa average2.0hUS averageUS average7.1hClay County, 2022Clay County, 20220.7h
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Average hours without power per customer in 2023; last bar is this county in 2022.

Month by month

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Clay County, IA customer-hours without power by month, 2023Jan 191, Feb 74, Mar 78, Apr 407, May 182, Jun 173, Jul 218, Aug 2,354, Sep 74, Oct 245, Nov 582, Dec 24601k2k3k191Jan74Feb78Mar407Apr182May173Jun218Jul2,354Aug74Sep245Oct582Nov246Dec
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Customer-hours; August was the worst month.

Clay County year over year

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Clay County, IA: average hours without power per customer by year2015: 0.3h; 2016: 0.3h; 2017: 0.2h; 2018: 0.9h, coverage 89%; 2019: 0.5h, coverage 89%; 2020: 0.3h, coverage 91%; 2021: 0.3h, coverage 91%; 2022: 0.7h, coverage 91%; 2023: 0.4h; 2024: 0.4h; 2025: 0.5h00.30.50.810%50%100%0.3h20150.3h20160.2h20170.9h20180.5h20190.3h20200.3h20210.7h20220.4h20230.4h20240.5h2025
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Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Coverage line is EAGLE-I's share of Iowa customers tracked each year.

Biggest outages in Clay County, 2023

The 10 outage episodes with the most customers out at once. Times are UTC.

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#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1August 31, 2023 04:30August 31, 2023 09:305h4332,139
2April 11, 2023 21:15April 12, 2023 13:1516h350190
3January 3, 2023 19:15January 3, 2023 20:0045m189142
4November 14, 2023 18:15November 14, 2023 19:301h 15m146171
5January 3, 2023 10:45January 3, 2023 11:3045m12842
6April 5, 2023 12:45April 5, 2023 14:452h7830
7November 16, 2023 14:45November 16, 2023 21:306h 45m5198
8October 3, 2023 17:15October 3, 2023 19:452h 30m4693
9April 19, 2023 08:00April 19, 2023 11:303h 30m44101
10August 8, 2023 21:15August 8, 2023 22:0045m4121

Outage episodes by size in 2023: 5 reached 100+ customers, 0 reached 1,000+ customers, 0 reached 10,000+ customers.

Utility reliability filed with the EIA

SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Clay County reported on EIA Form 861 for 2023, or their most recent earlier filing. Utility-wide figures, not county-specific.

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About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about n/a of Iowa's customers in 2023; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 13,668 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
  • An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
  • Years loaded: 2015–2025. Clay County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Clay County, IA annual power outage report, 2023, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2023/iowa/clay-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON