massoutage

County annual report · FIPS 48131

2023 Duval County, TX Power Outage Report

In 2023, customers in Duval County, TX went without power for an average of 23.1 hours, a total of 107K customer-hours (Texas average 8.1 hours). That ranks 59th worst of 252 Texas counties and 330th of 2,977 nationally.

Summary data CSVJSON
Avg hrs / customer
23.1
4,633 customers
Customer-hours out
107K
Peak customers out
2,547
Outages ≥1,000 out
10
0 of 10,000+ · 680 total
Longest outage
3d 3h
began April 5, 2023
Rank in state
59th/252
330th of 2,977 US

Compared with TX, the US and 2022

Duval County, TX average hours without power per customer compared with state and national averages, 2023Duval County 23.1 hours, Texas average 8.1 hours, US average 7.1 hours, Duval County, 2022 16.0 hoursDuval CountyDuval County23.1hTexas averageTexas average8.1hUS averageUS average7.1hDuval County, 2022Duval County, 202216.0h
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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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Duval County, TX customer-hours without power by month, 2023Jan 7,413, Feb 5,652, Mar 7,003, Apr 21K, May 15K, Jun 6,829, Jul 5,854, Aug 10K, Sep 12K, Oct 2,821, Nov 3,542, Dec 10K010k20k30k7,413Jan5,652Feb7,003Mar21KApr15KMay6,829Jun5,854Jul10KAug12KSep2,821Oct3,542Nov10KDec
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Customer-hours; April was the worst month.

Duval County year over year

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Duval County, TX: average hours without power per customer by year2015: 13.0h; 2016: no data; 2017: 2.2h; 2018: 14.7h, coverage 90%; 2019: 13.9h, coverage 93%; 2020: 16.8h, coverage 63%; 2021: 103.7h, coverage 94%; 2022: 16.0h, coverage 93%; 2023: 23.1h; 2024: 15.6h; 2025: 16.2h0501001500%50%100%13.0h2015n/a20162.2h201714.7h201813.9h201916.8h2020103.7h202116.0h202223.1h202315.6h202416.2h2025
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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 Duval County, 2023

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1May 7, 2023 12:45May 7, 2023 16:003h 15m2,5474,375
2December 7, 2023 06:00December 7, 2023 09:453h 45m2,1398,001
3January 26, 2023 19:45January 26, 2023 22:453h2,1351,078
4April 15, 2023 14:15April 15, 2023 16:452h 30m2,1244,986
5September 15, 2023 23:15September 17, 2023 19:151d 20h1,4177,697
6August 16, 2023 20:30August 17, 2023 23:151d 2h1,2492,490
7November 4, 2023 16:30November 4, 2023 18:452h 15m1,2191,523
8September 29, 2023 11:45September 29, 2023 12:1530m1,048263
9May 13, 2023 04:45May 13, 2023 23:0018h 15m1,0462,683
10April 5, 2023 21:45April 9, 2023 00:453d 3h1,02410K

Outage episodes by size in 2023: 51 reached 100+ customers, 10 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 Duval 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
AEP Texas Central Company20236.8 hrs2.022.8 hrs1.53
Medina Electric Coop, Inc20234.5 hrs2.124.4 hrs2.06
Nueces Electric Cooperative20237.0 hrs3.412.7 hrs1.35

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 ÷ 4,633 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. Duval County has data for 2015, 2017–2025.

Cite this report

MassOutage (massoutage.com), Duval 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/duval-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON