massoutage

County annual report · FIPS 48071

2015 Chambers County, TX Power Outage Report

In 2015, customers in Chambers County, TX went without power for an average of 2.3 hours, a total of 60K customer-hours (Texas average 1.9 hours). That ranks 148th worst of 238 Texas counties and 1137th of 2,484 nationally.

Summary data CSVJSON
Avg hrs / customer
2.3
26,381 customers
Customer-hours out
60K
Peak customers out
4,039
Outages ≥1,000 out
8
0 of 10,000+ · 510 total
Longest outage
23h 45m
began January 13, 2015
Rank in state
148th/238
1137th of 2,484 US

Compared with TX, the US

Chambers County, TX average hours without power per customer compared with state and national averages, 2015Chambers County 2.3 hours, Texas average 1.9 hours, US average 2.9 hoursChambers CountyChambers County2.3hTexas 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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Chambers County, TX customer-hours without power by month, 2015Jan 10K, Feb 1,168, Mar 2,873, Apr 4,033, May 2,734, Jun 1,435, Jul 4,323, Aug 12K, Sep 1,600, Oct 1,901, Nov 227, Dec 18K05k10k15k20k10KJan1,168Feb2,873Mar4,033Apr2,734May1,435Jun4,323Jul12KAug1,600Sep1,901Oct227Nov18KDec
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Customer-hours; December was the worst month.

Chambers County year over year

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Chambers County, TX: average hours without power per customer by year2015: 2.3h; 2016: 1.9h; 2017: 10.4h; 2018: 5.4h, coverage 90%; 2019: 10.6h, coverage 93%; 2020: 7.2h, coverage 63%; 2021: 65.7h, coverage 94%; 2022: 15.9h, coverage 93%; 2023: 30.6h; 2024: 191.9h; 2025: 3.8h0501001502000%50%100%2.3h20151.9h201610.4h20175.4h201810.6h20197.2h202065.7h202115.9h202230.6h2023191.9h20243.8h2025
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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 Chambers County, 2015

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1December 13, 2015 10:00December 14, 2015 01:4515h 45m4,03918K
2August 11, 2015 21:45August 12, 2015 19:0021h 15m1,5707,002
3October 25, 2015 19:15October 25, 2015 23:454h 30m1,445375
4September 30, 2015 19:30September 30, 2015 20:451h 15m1,227617
5September 26, 2015 13:00September 26, 2015 15:002h1,095281
6April 23, 2015 22:30April 23, 2015 22:4515m1,070268
7July 4, 2015 14:45July 4, 2015 22:307h 45m1,0693,044
8July 5, 2015 20:30July 5, 2015 21:301h1,055267
9October 25, 2015 16:30October 25, 2015 18:151h 45m978254
10January 28, 2015 14:30January 28, 2015 14:4515m896224

Outage episodes by size in 2015: 59 reached 100+ customers, 8 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 Chambers 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
Entergy Texas Inc.20155.5 hrs2.063.4 hrs1.69
CenterPoint Energy20154.3 hrs1.982.2 hrs1.33

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 ÷ 26,381 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. Chambers County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Chambers 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/chambers-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON