massoutage

County annual report · FIPS 48131

2015 Duval County, TX Power Outage Report

In 2015, customers in Duval County, TX went without power for an average of 13.0 hours, a total of 60K customer-hours (Texas average 1.9 hours). That ranks 29th worst of 238 Texas counties and 199th of 2,484 nationally.

Summary data CSVJSON
Avg hrs / customer
13.0
4,633 customers
Customer-hours out
60K
Peak customers out
1,846
Outages ≥1,000 out
2
0 of 10,000+ · 204 total
Longest outage
5d 9h
began May 11, 2015
Rank in state
29th/238
199th of 2,484 US

Compared with TX, the US

Duval County, TX average hours without power per customer compared with state and national averages, 2015Duval County 13.0 hours, Texas average 1.9 hours, US average 2.9 hoursDuval CountyDuval County13.0hTexas averageTexas average1.9hUS averageUS average2.9h
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Average hours without power per customer in 2015.

Month by month

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Duval County, TX customer-hours without power by month, 2015Jan 3,853, Feb 395, Mar 661, Apr 13K, May 38K, Jun 710, Jul 3,433, Aug 144, Sep 22, Oct 0, Nov 0, Dec 0010k20k30k40k3,853Jan395Feb661Mar13KApr38KMay710Jun3,433Jul144Aug22Sep0Oct0Nov0Dec
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Customer-hours; May 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, 2015

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1May 28, 2015 19:15May 31, 2015 00:152d 5h1,8461,241
2May 11, 2015 16:45May 17, 2015 02:305d 9h1,77835K
3July 24, 2015 12:00July 24, 2015 15:153h 15m6181,085
4May 21, 2015 15:00May 23, 2015 03:301d 12h6081,219
5January 9, 2015 06:30January 9, 2015 11:305h5972,876
6April 13, 2015 03:15April 17, 2015 16:304d 13h57512K
7January 11, 2015 07:30January 11, 2015 09:452h 15m362638
8January 11, 2015 10:30January 11, 2015 22:4512h 15m362200
9July 8, 2015 14:15July 8, 2015 23:008h 45m2431,147
10July 31, 2015 21:45August 1, 2015 02:004h 15m180362

Outage episodes by size in 2015: 11 reached 100+ customers, 2 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 2015, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
AEP Texas Central Company20154.3 hrs2.022.9 hrs1.68
Medina Electric Coop, Inc20156.0 hrs2.756.0 hrs2.75
Nueces Electric Cooperative20157.7 hrs2.663.3 hrs1.37

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 2015; 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, 2015, 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/2015/texas/duval-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON