massoutage

County annual report · FIPS 05087

2021 Madison County, AR Power Outage Report

In 2021, customers in Madison County, AR went without power for an average of 3.2 hours, a total of 43K customer-hours (Arkansas average 5.4 hours). That ranks 60th worst of 75 Arkansas counties and 1774th of 2,974 nationally.

Summary data CSVJSON
Avg hrs / customer
3.2
13,452 customers
Customer-hours out
43K
Peak customers out
6,753
Outages ≥1,000 out
9
0 of 10,000+ · 442 total
Longest outage
1d 17h
began May 4, 2021
Rank in state
60th/75
1774th of 2,974 US

Compared with AR, the US and 2020

Madison County, AR average hours without power per customer compared with state and national averages, 2021Madison County 3.2 hours, Arkansas average 5.4 hours, US average 8.9 hours, Madison County, 2020 1.5 hoursMadison CountyMadison County3.2hArkansas averageArkansas average5.4hUS averageUS average8.9hMadison County, 2020Madison County, 20201.5h
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Average hours without power per customer in 2021; last bar is this county in 2020.

Month by month

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Madison County, AR customer-hours without power by month, 2021Jan 1,899, Feb 2,734, Mar 551, Apr 7,539, May 4,630, Jun 2,976, Jul 2,418, Aug 8,202, Sep 2,128, Oct 854, Nov 5,429, Dec 3,72902.5k5k7.5k10k1,899Jan2,734Feb551Mar7,539Apr4,630May2,976Jun2,418Jul8,202Aug2,128Sep854Oct5,429Nov3,729Dec
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Customer-hours; August was the worst month.

Madison County year over year

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Madison County, AR: average hours without power per customer by year2015: no data; 2016: no data; 2017: 0.4h; 2018: 4.3h, coverage 78%; 2019: 1.9h, coverage 83%; 2020: 1.5h, coverage 86%; 2021: 3.2h, coverage 86%; 2022: 1.5h, coverage 86%; 2023: 14.7h; 2024: 19.5h; 2025: 10.6h051015200%50%100%n/a2015n/a20160.4h20174.3h20181.9h20191.5h20203.2h20211.5h202214.7h202319.5h202410.6h2025
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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 Arkansas customers tracked each year.

Biggest outages in Madison County, 2021

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
1April 29, 2021 10:15April 29, 2021 17:457h 30m6,7535,176
2November 24, 2021 16:00November 24, 2021 16:4545m5,4803,694
3August 13, 2021 23:30August 14, 2021 03:153h 45m5,4315,370
4November 9, 2021 17:30November 9, 2021 18:1545m2,6741,337
5June 17, 2021 15:30June 17, 2021 16:301h2,2611,115
6December 18, 2021 00:00December 18, 2021 03:453h 45m1,6852,512
7August 4, 2021 22:15August 4, 2021 23:451h 30m1,6632,493
8July 3, 2021 00:45July 3, 2021 04:454h1,6431,484
9December 12, 2021 21:30December 12, 2021 22:0030m1,627407
10September 6, 2021 15:15September 6, 2021 17:152h5291,058

Outage episodes by size in 2021: 29 reached 100+ customers, 9 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 Madison County reported on EIA Form 861 for 2021, or their most recent earlier filing. Utility-wide figures, not county-specific.

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UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Arkansas Valley Elec Coop Corp20216.0 hrs2.062.8 hrs1.88
Carroll Electric Coop Corp - (AR)20212.7 hrs2.102.1 hrs1.50
Ozarks Electric Coop Corp - (AR)202186 min1.0649 min0.80

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 86% of Arkansas's customers in 2021; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 13,452 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. Madison County has data for 2017–2025.

Cite this report

MassOutage (massoutage.com), Madison County, AR annual power outage report, 2021, 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/2021/arkansas/madison-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON