massoutage

County annual report · FIPS 29165

2021 Platte County, MO Power Outage Report

In 2021, customers in Platte County, MO went without power for an average of 7.8 hours, a total of 303K customer-hours (Missouri average 4.5 hours). That ranks 28th worst of 115 Missouri counties and 960th of 2,974 nationally.

Summary data CSVJSON
Avg hrs / customer
7.8
38,960 customers
Customer-hours out
303K
Peak customers out
9,242
Outages ≥1,000 out
15
0 of 10,000+ · 689 total
Longest outage
3d 8h
began December 15, 2021
Rank in state
28th/115
960th of 2,974 US

Compared with MO, the US and 2020

Platte County, MO average hours without power per customer compared with state and national averages, 2021Platte County 7.8 hours, Missouri average 4.5 hours, US average 8.9 hours, Platte County, 2020 2.6 hoursPlatte CountyPlatte County7.8hMissouri averageMissouri average4.5hUS averageUS average8.9hPlatte County, 2020Platte County, 20202.6h
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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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Platte County, MO customer-hours without power by month, 2021Jan 5,162, Feb 35K, Mar 1,554, Apr 3,643, May 14K, Jun 21K, Jul 35K, Aug 69K, Sep 6,902, Oct 7,344, Nov 1,948, Dec 103K050k100k150k5,162Jan35KFeb1,554Mar3,643Apr14KMay21KJun35KJul69KAug6,902Sep7,344Oct1,948Nov103KDec
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Customer-hours; December was the worst month.

Platte County year over year

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Platte County, MO: average hours without power per customer by year2015: 3.8h; 2016: 2.7h; 2017: 3.6h; 2018: 4.0h, coverage 80%; 2019: 3.4h, coverage 95%; 2020: 2.6h, coverage 95%; 2021: 7.8h, coverage 95%; 2022: 4.1h, coverage 95%; 2023: 5.6h; 2024: 4.7h; 2025: 3.0h024680%50%100%3.8h20152.7h20163.6h20174.0h20183.4h20192.6h20207.8h20214.1h20225.6h20234.7h20243.0h2025
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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 Missouri customers tracked each year.

Biggest outages in Platte 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
1August 10, 2021 13:45August 12, 2021 02:451d 13h9,24247K
2February 16, 2021 13:30February 17, 2021 02:0012h 30m6,36231K
3December 15, 2021 14:00December 18, 2021 22:003d 8h5,76798K
4July 10, 2021 07:45July 11, 2021 20:451d 13h5,59925K
5May 9, 2021 10:15May 10, 2021 01:4515h 30m3,1479,272
6June 30, 2021 06:45June 30, 2021 19:4513h2,3625,138
7June 25, 2021 02:30June 27, 2021 19:152d 16h2,30311K
8February 12, 2021 22:45February 13, 2021 12:1513h 30m2,0343,727
9July 8, 2021 19:45July 9, 2021 01:456h1,7312,702
10July 12, 2021 00:00July 13, 2021 03:001d 3h1,3842,446

Outage episodes by size in 2021: 63 reached 100+ customers, 15 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 Platte 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
Evergy Metro20214.0 hrs1.571.6 hrs0.94
Evergy Kansas Central, Inc20215.8 hrs1.681.7 hrs1.02
Evergy Missouri West20215.2 hrs1.862.3 hrs1.22
Platte-Clay Electric Coop, Inc20212.8 hrs1.3544 min0.87
United Electric Coop, Inc - (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 ÷ 38,960 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. Platte County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Platte 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/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2021/missouri/platte-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON