massoutage

County annual report · FIPS 21133

2021 Letcher County, KY Power Outage Report

In 2021, customers in Letcher County, KY went without power for an average of 12.3 hours, a total of 136K customer-hours (Kentucky average 10.4 hours). That ranks 42nd worst of 119 Kentucky counties and 670th of 2,974 nationally.

Summary data CSVJSON
Avg hrs / customer
12.3
11,069 customers
Customer-hours out
136K
Peak customers out
1,609
Outages ≥1,000 out
5
0 of 10,000+ · 533 total
Longest outage
8d 7h
began March 31, 2021
Rank in state
42nd/119
670th of 2,974 US

Compared with KY, the US and 2020

Letcher County, KY average hours without power per customer compared with state and national averages, 2021Letcher County 12.3 hours, Kentucky average 10.4 hours, US average 8.9 hours, Letcher County, 2020 60.6 hoursLetcher CountyLetcher County12.3hKentucky averageKentucky average10.4hUS averageUS average8.9hLetcher County, 2020Letcher County, 202060.6h
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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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Letcher County, KY customer-hours without power by month, 2021Jan 2,829, Feb 27K, Mar 19K, Apr 13K, May 6,082, Jun 5,789, Jul 12K, Aug 22K, Sep 5,721, Oct 6,754, Nov 2,958, Dec 12K010k20k30k2,829Jan27KFeb19KMar13KApr6,082May5,789Jun12KJul22KAug5,721Sep6,754Oct2,958Nov12KDec
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Customer-hours; February was the worst month.

Letcher County year over year

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Letcher County, KY: average hours without power per customer by year2015: 12.0h; 2016: 6.7h; 2017: 8.8h; 2018: 16.0h, coverage 78%; 2019: 10.0h, coverage 92%; 2020: 60.6h, coverage 92%; 2021: 12.3h, coverage 92%; 2022: 63.7h, coverage 94%; 2023: 14.7h; 2024: 25.5h; 2025: 20.0h0204060800%50%100%12.0h20156.7h20168.8h201716.0h201810.0h201960.6h202012.3h202163.7h202214.7h202325.5h202420.0h2025
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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 Kentucky customers tracked each year.

Biggest outages in Letcher County, 2021

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1February 7, 2021 09:15February 8, 2021 03:3018h 15m1,6096,451
2February 12, 2021 02:30February 13, 2021 00:4522h 15m1,5465,207
3March 1, 2021 00:15March 3, 2021 20:302d 20h1,47411K
4April 10, 2021 18:30April 11, 2021 13:1518h 45m1,4206,030
5June 10, 2021 13:15June 11, 2021 02:1513h1,0311,952
6October 28, 2021 12:15October 29, 2021 09:4521h 30m9061,778
7July 26, 2021 19:00July 27, 2021 21:001d 2h8953,779
8August 15, 2021 21:00August 16, 2021 21:151d8904,749
9September 3, 2021 13:30September 3, 2021 21:007h 30m810920
10March 28, 2021 09:15March 29, 2021 19:151d 10h6415,656

Outage episodes by size in 2021: 60 reached 100+ customers, 5 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 Letcher 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
Kentucky Power Co202147.4 hrs2.656.8 hrs1.86
Cumberland Valley Electric, Inc.202116.2 hrs3.744.6 hrs2.41

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 92% of Kentucky's customers in 2021; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 11,069 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. Letcher County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Letcher County, KY 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/kentucky/letcher-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON