massoutage

County annual report · FIPS 48445

2023 Terry County, TX Power Outage Report

In 2023, customers in Terry County, TX went without power for an average of 7.7 hours, a total of 33K customer-hours (Texas average 8.1 hours). That ranks 130th worst of 252 Texas counties and 1060th of 2,977 nationally.

Summary data CSVJSON
Avg hrs / customer
7.7
4,311 customers
Customer-hours out
33K
Peak customers out
1,605
Outages ≥1,000 out
1
0 of 10,000+ · 411 total
Longest outage
13d 15h
began May 25, 2023
Rank in state
130th/252
1060th of 2,977 US

Compared with TX, the US and 2022

Terry County, TX average hours without power per customer compared with state and national averages, 2023Terry County 7.7 hours, Texas average 8.1 hours, US average 7.1 hours, Terry County, 2022 3.8 hoursTerry CountyTerry County7.7hTexas averageTexas average8.1hUS averageUS average7.1hTerry County, 2022Terry County, 20223.8h
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Average hours without power per customer in 2023; last bar is this county in 2022.

Month by month

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Terry County, TX customer-hours without power by month, 2023Jan 432, Feb 3,676, Mar 1,460, Apr 443, May 4,677, Jun 3,573, Jul 4,448, Aug 6,717, Sep 1,151, Oct 3,378, Nov 1,471, Dec 1,58402k4k6k8k432Jan3,676Feb1,460Mar443Apr4,677May3,573Jun4,448Jul6,717Aug1,151Sep3,378Oct1,471Nov1,584Dec
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Customer-hours; August was the worst month.

Terry County year over year

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Terry County, TX: average hours without power per customer by year2015: 0.1h; 2016: 0.3h; 2017: 0.3h; 2018: 1.3h, coverage 90%; 2019: 4.6h, coverage 93%; 2020: 22.5h, coverage 63%; 2021: 4.7h, coverage 94%; 2022: 3.8h, coverage 93%; 2023: 7.7h; 2024: 6.0h; 2025: 6.8h01020300%50%100%0.1h20150.3h20160.3h20171.3h20184.6h201922.5h20204.7h20213.8h20227.7h20236.0h20246.8h2025
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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 Terry County, 2023

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1December 29, 2023 12:15December 29, 2023 14:452h 30m1,6051,371
2June 30, 2023 19:00July 3, 2023 19:303d7921,368
3February 26, 2023 22:45March 1, 2023 00:302d 1h5443,251
4December 20, 2023 15:30December 20, 2023 15:4515m456114
5August 8, 2023 02:30August 8, 2023 22:4520h 15m3341,713
6October 3, 2023 01:45October 3, 2023 09:007h 15m3211,134
7August 22, 2023 20:45August 22, 2023 21:0015m29474
8August 9, 2023 13:45August 9, 2023 21:307h 45m263153
9November 8, 2023 20:45November 8, 2023 23:302h 45m262348
10October 3, 2023 12:30October 3, 2023 21:158h 45m260324

Outage episodes by size in 2023: 34 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 Terry County reported on EIA Form 861 for 2023, 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
Southwestern Public Service Co20233.9 hrs1.271.9 hrs0.99
Lyntegar Electric Coop, Inc20234.3 hrs-4.3 hrs-
City of Brownfield - (TX)-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about n/a of Texas's customers in 2023; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 4,311 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. Terry County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Terry County, TX annual power outage report, 2023, 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/2023/texas/terry-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON