massoutage

County annual report · FIPS 17005

2021 Bond County, IL Power Outage Report

In 2021, customers in Bond County, IL went without power for an average of 2.9 hours, a total of 17K customer-hours (Illinois average 2.3 hours). That ranks 47th worst of 102 Illinois counties and 1857th of 2,974 nationally.

Summary data CSVJSON
Avg hrs / customer
2.9
5,736 customers
Customer-hours out
17K
Peak customers out
3,369
Outages ≥1,000 out
1
0 of 10,000+ · 337 total
Longest outage
22h 15m
began August 26, 2021
Rank in state
47th/102
1857th of 2,974 US

Compared with IL, the US and 2020

Bond County, IL average hours without power per customer compared with state and national averages, 2021Bond County 2.9 hours, Illinois average 2.3 hours, US average 8.9 hours, Bond County, 2020 2.7 hoursBond CountyBond County2.9hIllinois averageIllinois average2.3hUS averageUS average8.9hBond County, 2020Bond County, 20202.7h
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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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Bond County, IL customer-hours without power by month, 2021Jan 194, Feb 1,097, Mar 963, Apr 950, May 238, Jun 1,759, Jul 4,872, Aug 1,815, Sep 3,110, Oct 597, Nov 371, Dec 94902k4k6k194Jan1,097Feb963Mar950Apr238May1,759Jun4,872Jul1,815Aug3,110Sep597Oct371Nov949Dec
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Customer-hours; July was the worst month.

Bond County year over year

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Bond County, IL: average hours without power per customer by year2015: 2.1h; 2016: 2.8h; 2017: 0.6h; 2018: 3.7h, coverage 92%; 2019: 3.9h, coverage 99%; 2020: 2.7h, coverage 94%; 2021: 2.9h, coverage 98%; 2022: 9.9h, coverage 98%; 2023: 12.5h; 2024: 8.0h; 2025: 4.0h0510150%50%100%2.1h20152.8h20160.6h20173.7h20183.9h20192.7h20202.9h20219.9h202212.5h20238.0h20244.0h2025
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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 Illinois customers tracked each year.

Biggest outages in Bond County, 2021

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1July 15, 2021 20:15July 16, 2021 05:008h 45m3,3694,244
2September 10, 2021 06:00September 10, 2021 08:452h 45m7121,958
3June 29, 2021 21:30June 30, 2021 00:152h 45m604724
4April 5, 2021 18:45April 5, 2021 20:151h 30m468469
5March 11, 2021 14:45March 11, 2021 15:0015m406102
6June 13, 2021 16:45June 13, 2021 20:454h294662
7December 11, 2021 03:15December 11, 2021 21:1518h222672
8February 7, 2021 04:00February 7, 2021 06:452h 45m185453
9September 13, 2021 18:00September 13, 2021 23:155h 15m184740
10April 1, 2021 21:30April 1, 2021 22:1545m156117

Outage episodes by size in 2021: 14 reached 100+ customers, 1 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 Bond County reported on EIA Form 861 for 2021, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Ameren Illinois Company20213.2 hrs1.112.0 hrs0.88
Southwestern Electric Coop Inc - (IL)20213.9 hrs2.533.8 hrs2.48
M J M Electric Cooperative Inc-----
City of Highland-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 98% of Illinois's customers in 2021; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 5,736 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. Bond County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Bond County, IL 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/illinois/bond-county

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