massoutage

County annual report · FIPS 48425

2023 Somervell County, TX Power Outage Report

In 2023, customers in Somervell County, TX went without power for an average of 1.8 hours, a total of 9,577 customer-hours (Texas average 8.1 hours). That ranks 233rd worst of 252 Texas counties and 2370th of 2,977 nationally.

Summary data CSVJSON
Avg hrs / customer
1.8
5,351 customers
Customer-hours out
9,577
Peak customers out
3,223
Outages ≥1,000 out
1
0 of 10,000+ · 260 total
Longest outage
17h
began September 7, 2023
Rank in state
233rd/252
2370th of 2,977 US

Compared with TX, the US and 2022

Somervell County, TX average hours without power per customer compared with state and national averages, 2023Somervell County 1.8 hours, Texas average 8.1 hours, US average 7.1 hours, Somervell County, 2022 8.5 hoursSomervell CountySomervell County1.8hTexas averageTexas average8.1hUS averageUS average7.1hSomervell County, 2022Somervell County, 20…8.5h
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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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Somervell County, TX customer-hours without power by month, 2023Jan 115, Feb 300, Mar 611, Apr 4,186, May 566, Jun 717, Jul 40, Aug 161, Sep 1,156, Oct 831, Nov 222, Dec 67402k4k6k115Jan300Feb611Mar4,186Apr566May717Jun40Jul161Aug1,156Sep831Oct222Nov674Dec
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Customer-hours; April was the worst month.

Somervell County year over year

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Somervell County, TX: average hours without power per customer by year2015: no data; 2016: no data; 2017: 0.1h; 2018: 1.5h, coverage 90%; 2019: 8.7h, coverage 93%; 2020: 5.3h, coverage 63%; 2021: 29.6h, coverage 94%; 2022: 8.5h, coverage 93%; 2023: 1.8h; 2024: 2.5h; 2025: 2.4h01020300%50%100%n/a2015n/a20160.1h20171.5h20188.7h20195.3h202029.6h20218.5h20221.8h20232.5h20242.4h2025
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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 Texas customers tracked each year.

Biggest outages in Somervell County, 2023

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1April 30, 2023 18:30April 30, 2023 22:003h 30m3,2233,620
2December 1, 2023 13:45December 1, 2023 15:151h 30m804311
3March 7, 2023 19:00March 7, 2023 20:001h764191
4April 27, 2023 18:30April 27, 2023 18:4515m764191
5October 11, 2023 14:45October 11, 2023 21:457h612533
6September 14, 2023 14:00September 14, 2023 23:009h594590
7April 23, 2023 10:15April 23, 2023 12:452h 30m589161
8June 10, 2023 23:45June 11, 2023 04:154h 30m396310
9February 5, 2023 04:00February 5, 2023 05:451h 45m12192
10December 24, 2023 13:45December 24, 2023 17:303h 45m112261

Outage episodes by size in 2023: 10 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 Somervell 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
United Electric Coop Service Inc - (TX)20233.1 hrs1.4986 min1.16
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 n/a of Texas's customers in 2023; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 5,351 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. Somervell County has data for 2017–2025.

Cite this report

MassOutage (massoutage.com), Somervell 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/somervell-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON