massoutage

County annual report · FIPS 48407

2021 San Jacinto County, TX Power Outage Report

In 2021, customers in San Jacinto County, TX went without power for an average of 62.3 hours, a total of 334K customer-hours (Texas average 21.0 hours). That ranks 49th worst of 252 Texas counties and 134th of 2,974 nationally.

Summary data CSVJSON
Avg hrs / customer
62.3
5,355 customers
Customer-hours out
334K
Peak customers out
7,887
Outages ≥1,000 out
23
0 of 10,000+ · 846 total
Longest outage
2d 19h
began September 24, 2021
Rank in state
49th/252
134th of 2,974 US

Compared with TX, the US and 2020

San Jacinto County, TX average hours without power per customer compared with state and national averages, 2021San Jacinto County 62.3 hours, Texas average 21.0 hours, US average 8.9 hours, San Jacinto County, 2020 53.5 hoursSan Jacinto CountySan Jacinto County62.3hTexas averageTexas average21.0hUS averageUS average8.9hSan Jacinto County, 2020San Jacinto County, …53.5h
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Average hours without power per customer in 2021; last bar is this county in 2020.

Month by month

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San Jacinto County, TX customer-hours without power by month, 2021Jan 6,132, Feb 191K, Mar 5,944, Apr 6,197, May 26K, Jun 8,221, Jul 28K, Aug 12K, Sep 4,592, Oct 28K, Nov 2,857, Dec 14K050k100k150k200k6,132Jan191KFeb5,944Mar6,197Apr26KMay8,221Jun28KJul12KAug4,592Sep28KOct2,857Nov14KDec
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Customer-hours; February was the worst month.

San Jacinto County year over year

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San Jacinto County, TX: average hours without power per customer by year2015: 18.5h; 2016: 35.6h; 2017: 52.3h; 2018: 22.0h, coverage 90%; 2019: 23.9h, coverage 93%; 2020: 53.5h, coverage 63%; 2021: 62.3h, coverage 94%; 2022: 29.2h, coverage 93%; 2023: 35.1h; 2024: 435.6h; 2025: 25.1h02004006000%50%100%18.5h201535.6h201652.3h201722.0h201823.9h201953.5h202062.3h202129.2h202235.1h2023435.6h202425.1h2025
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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 San Jacinto County, 2021

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

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#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1February 15, 2021 01:00February 16, 2021 11:451d 10h7,887107K
2February 16, 2021 12:30February 19, 2021 03:002d 14h7,16680K
3October 28, 2021 00:30October 30, 2021 00:452d5,09812K
4May 19, 2021 03:45May 20, 2021 03:0023h 15m4,74420K
5October 1, 2021 23:45October 2, 2021 01:151h 30m4,0332,375
6July 13, 2021 14:30July 14, 2021 03:1512h 45m4,0291,474
7July 28, 2021 00:30July 29, 2021 02:451d 2h3,2956,966
8August 5, 2021 10:00August 5, 2021 13:153h 15m2,5815,806
9July 21, 2021 23:15July 22, 2021 16:1517h2,0326,594
10October 27, 2021 13:00October 27, 2021 22:009h1,9592,774

Outage episodes by size in 2021: 89 reached 100+ customers, 23 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 San Jacinto County reported on EIA Form 861 for 2021, or their most recent earlier filing. Utility-wide figures, not county-specific.

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UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Entergy Texas Inc.202116.7 hrs3.314.7 hrs2.02
Sam Houston Electric Coop Inc202111.3 hrs-4.3 hrs-

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 94% of Texas's customers in 2021; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 5,355 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. San Jacinto County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), San Jacinto County, TX annual power outage report, 2021, 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/2021/texas/san-jacinto-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON