massoutage

County annual report · FIPS 48143

2021 Erath County, TX Power Outage Report

In 2021, customers in Erath County, TX went without power for an average of 16.0 hours, a total of 389K customer-hours (Texas average 21.0 hours). That ranks 162nd worst of 252 Texas counties and 534th of 2,974 nationally.

Summary data CSVJSON
Avg hrs / customer
16.0
24,280 customers
Customer-hours out
389K
Peak customers out
8,609
Outages ≥1,000 out
4
0 of 10,000+ · 917 total
Longest outage
4d 8h
began February 14, 2021
Rank in state
162nd/252
534th of 2,974 US

Compared with TX, the US and 2020

Erath County, TX average hours without power per customer compared with state and national averages, 2021Erath County 16.0 hours, Texas average 21.0 hours, US average 8.9 hours, Erath County, 2020 3.0 hoursErath CountyErath County16.0hTexas averageTexas average21.0hUS averageUS average8.9hErath County, 2020Erath County, 20203.0h
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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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Erath County, TX customer-hours without power by month, 2021Jan 21K, Feb 332K, Mar 4,460, Apr 3,194, May 5,141, Jun 5,156, Jul 2,491, Aug 1,917, Sep 1,574, Oct 8,623, Nov 2,064, Dec 1,5850100k200k300k400k21KJan332KFeb4,460Mar3,194Apr5,141May5,156Jun2,491Jul1,917Aug1,574Sep8,623Oct2,064Nov1,585Dec
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Customer-hours; February was the worst month.

Erath County year over year

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Erath County, TX: average hours without power per customer by year2015: 1.4h; 2016: no data; 2017: 0.1h; 2018: 22.3h, coverage 90%; 2019: 4.3h, coverage 93%; 2020: 3.0h, coverage 63%; 2021: 16.0h, coverage 94%; 2022: 2.7h, coverage 93%; 2023: 3.6h; 2024: 2.2h; 2025: 4.6h01020300%50%100%1.4h2015n/a20160.1h201722.3h20184.3h20193.0h202016.0h20212.7h20223.6h20232.2h20244.6h2025
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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 Texas customers tracked each year.

Biggest outages in Erath 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
1February 14, 2021 22:30February 19, 2021 07:154d 8h8,609330K
2June 14, 2021 16:15June 14, 2021 19:453h 30m2,8941,452
3January 10, 2021 13:15January 12, 2021 04:001d 14h1,56715K
4January 1, 2021 03:15January 2, 2021 00:4521h 30m1,2344,653
5June 17, 2021 07:00June 17, 2021 08:001h929466
6March 16, 2021 18:45March 17, 2021 06:3011h 45m9131,394
7April 28, 2021 22:15April 29, 2021 21:4523h 30m8712,319
8July 21, 2021 21:30July 22, 2021 01:454h 15m865646
9July 29, 2021 16:30July 29, 2021 19:453h 15m864239
10October 9, 2021 13:15October 9, 2021 20:307h 15m7442,989

Outage episodes by size in 2021: 49 reached 100+ customers, 4 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 Erath 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
Oncor Electric Delivery Company LLC20173.4 hrs1.692.4 hrs1.49
United Electric Coop Service Inc - (TX)202113.5 hrs-3.1 hrs2.07
Texas-New Mexico Power Co-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 94% of Texas's customers in 2021; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 24,280 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. Erath County has data for 2015, 2017–2025.

Cite this report

MassOutage (massoutage.com), Erath County, TX 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/texas/erath-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON