massoutage

County annual report · FIPS 29171

2021 Putnam County, MO Power Outage Report

In 2021, customers in Putnam County, MO went without power for an average of 1.0 hours, a total of 1,220 customer-hours (Missouri average 4.5 hours). That ranks 106th worst of 115 Missouri counties and 2671st of 2,974 nationally.

Summary data CSVJSON
Avg hrs / customer
1.0
1,238 customers
Customer-hours out
1,220
Peak customers out
114
Outages ≥1,000 out
0
0 of 10,000+ · 37 total
Longest outage
5h
began March 25, 2021
Rank in state
106th/115
2671st of 2,974 US

Compared with MO, the US and 2020

Putnam County, MO average hours without power per customer compared with state and national averages, 2021Putnam County 1.0 hours, Missouri average 4.5 hours, US average 8.9 hours, Putnam County, 2020 0.7 hoursPutnam CountyPutnam County1.0hMissouri averageMissouri average4.5hUS averageUS average8.9hPutnam County, 2020Putnam County, 20200.7h
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Average hours without power per customer in 2021; last bar is this county in 2020.

Month by month

CSVJSON
Putnam County, MO customer-hours without power by month, 2021Jan 75, Feb 1, Mar 123, Apr 29, May 223, Jun 6, Jul 311, Aug 1, Sep 203, Oct 2, Nov 63, Dec 184010020030040075Jan1Feb123Mar29Apr223May6Jun311Jul1Aug203Sep2Oct63Nov184Dec
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Customer-hours; July was the worst month.

Putnam County year over year

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Putnam County, MO: average hours without power per customer by year2015: no data; 2016: no data; 2017: no data; 2018: no data; 2019: 0.5h, coverage 95%; 2020: 0.7h, coverage 95%; 2021: 1.0h, coverage 95%; 2022: 0.6h, coverage 95%; 2023: 0.5h; 2024: 1.9h; 2025: 4.4h02460%50%100%n/a2015n/a2016n/a2017n/a20180.5h20190.7h20201.0h20210.6h20220.5h20231.9h20244.4h2025
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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 Missouri customers tracked each year.

Biggest outages in Putnam 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 10, 2021 02:15July 10, 2021 04:152h114228
2December 18, 2021 02:00December 18, 2021 02:1515m10426
3May 6, 2021 13:30May 6, 2021 16:002h 30m87218
4December 16, 2021 05:00December 16, 2021 08:153h 15m69156
5September 21, 2021 04:45September 21, 2021 07:302h 45m57143
6March 29, 2021 21:00March 30, 2021 00:003h56113
7September 2, 2021 02:00September 2, 2021 03:001h3535
8July 9, 2021 13:45July 9, 2021 14:3045m3023
9November 30, 2021 15:15November 30, 2021 17:152h2958
10January 12, 2021 00:15January 12, 2021 02:001h 45m2842

Outage episodes by size in 2021: 2 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 Putnam 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
Grundy Electric Coop, Inc-----
Tri-County Electric Coop Assn (MO)-----
North Central MO Elec Coop Inc-----
City of Unionville - (MO)-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 95% of Missouri's customers in 2021; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 1,238 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. Putnam County has data for 2019–2025.

Cite this report

MassOutage (massoutage.com), Putnam County, MO 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/). https://massoutage.com/reports/2021/missouri/putnam-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON