massoutage

County annual report · FIPS 48179

2020 Gray County, TX Power Outage Report

In 2020, customers in Gray County, TX went without power for an average of 47.6 hours, a total of 338K customer-hours (Texas average 5.3 hours). That ranks 25th worst of 254 Texas counties and 174th of 3,019 nationally.

Summary data CSVJSON
Avg hrs / customer
47.6
7,103 customers
Customer-hours out
338K
Peak customers out
10,717
Outages ≥1,000 out
3
1 of 10,000+ · 435 total
Longest outage
12d 23h
began October 28, 2020
Rank in state
25th/254
174th of 3,019 US

Compared with TX, the US and 2019

Gray County, TX average hours without power per customer compared with state and national averages, 2020Gray County 47.6 hours, Texas average 5.3 hours, US average 8.7 hours, Gray County, 2019 3.6 hoursGray CountyGray County47.6hTexas averageTexas average5.3hUS averageUS average8.7hGray County, 2019Gray County, 20193.6h
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Average hours without power per customer in 2020; last bar is this county in 2019.

Month by month

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Gray County, TX customer-hours without power by month, 2020Jan 90, Feb 318, Mar 133, Apr 211, May 600, Jun 2,118, Jul 822, Aug 1,335, Sep 123, Oct 267K, Nov 65K, Dec 6110100k200k300k90Jan318Feb133Mar211Apr600May2,118Jun822Jul1,335Aug123Sep267KOct65KNov611Dec
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Customer-hours; October was the worst month.

Gray County year over year

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Gray County, TX: average hours without power per customer by year2015: 4.8h; 2016: 1.3h; 2017: 5.8h; 2018: 4.0h, coverage 90%; 2019: 3.6h, coverage 93%; 2020: 47.6h, coverage 63%; 2021: 3.9h, coverage 94%; 2022: 1.8h, coverage 93%; 2023: 2.9h; 2024: 5.5h; 2025: 12.8h02040600%50%100%4.8h20151.3h20165.8h20174.0h20183.6h201947.6h20203.9h20211.8h20222.9h20235.5h202412.8h2025
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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 Gray County, 2020

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1October 28, 2020 03:15November 10, 2020 02:3012d 23h10,717329K
2June 10, 2020 08:00June 10, 2020 09:001h3,9861,369
3October 23, 2020 07:15October 23, 2020 08:451h 30m1,0351,035
4October 21, 2020 16:15October 21, 2020 21:305h 15m225450
5November 13, 2020 19:00November 13, 2020 22:303h 30m224238
6June 23, 2020 08:15June 23, 2020 09:0045m221115
7December 13, 2020 02:45December 13, 2020 04:001h 15m220275
8June 20, 2020 12:00June 20, 2020 13:001h218218
9February 18, 2020 18:15February 18, 2020 20:152h152271
10July 16, 2020 13:30July 16, 2020 19:005h 30m136322

Outage episodes by size in 2020: 13 reached 100+ customers, 3 reached 1,000+ customers, 1 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 Gray County reported on EIA Form 861 for 2020, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Southwestern Public Service Co20205.5 hrs1.251.7 hrs0.92
Southwestern Electric Power Co202026.5 hrs2.794.6 hrs1.94
Greenbelt Electric Coop, Inc-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 63% of Texas's customers in 2020; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 7,103 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. Gray County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Gray County, TX annual power outage report, 2020, 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/2020/texas/gray-county

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