massoutage

County annual report · FIPS 48329

2017 Midland County, TX Power Outage Report

In 2017, customers in Midland County, TX went without power for an average of 0.0 hours, a total of 6,796 customer-hours (Texas average 1.6 hours). That ranks 235th worst of 249 Texas counties and 2642nd of 2,786 nationally.

Summary data CSVJSON
Avg hrs / customer
0.0
164,550 customers
Customer-hours out
6,796
Peak customers out
480
Outages ≥1,000 out
0
0 of 10,000+ · 119 total
Longest outage
17h 30m
began December 7, 2017
Rank in state
235th/249
2642nd of 2,786 US

Compared with TX, the US and 2015

Midland County, TX average hours without power per customer compared with state and national averages, 2017Midland County 0.0 hours, Texas average 1.6 hours, US average 7.4 hours, Midland County, 2015 2.0 hoursMidland CountyMidland County0.0hTexas averageTexas average1.6hUS averageUS average7.4hMidland County, 2015Midland County, 20152.0h
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Average hours without power per customer in 2017; last bar is this county in 2015.

Month by month

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Midland County, TX customer-hours without power by month, 2017Jan 0, Feb 0, Mar 0, Apr 0, May 0, Jun 0, Jul 0, Aug 0, Sep 0, Oct 0, Nov 1,240, Dec 5,55602k4k6k0Jan0Feb0Mar0Apr0May0Jun0Jul0Aug0Sep0Oct1,240Nov5,556Dec
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Customer-hours; December was the worst month.

Midland County year over year

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Midland County, TX: average hours without power per customer by year2015: 2.0h; 2016: no data; 2017: 0.0h; 2018: 1.4h, coverage 90%; 2019: 1.7h, coverage 93%; 2020: 1.3h, coverage 63%; 2021: 13.5h, coverage 94%; 2022: 1.9h, coverage 93%; 2023: 1.9h; 2024: 2.5h; 2025: 1.8h0510150%50%100%2.0h2015n/a20160.0h20171.4h20181.7h20191.3h202013.5h20211.9h20221.9h20232.5h20241.8h2025
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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 Midland County, 2017

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1December 7, 2017 17:15December 8, 2017 10:4517h 30m4802,853
2December 6, 2017 22:30December 7, 2017 07:309h231541
3November 22, 2017 11:30November 22, 2017 18:307h230240
4November 21, 2017 21:15November 22, 2017 00:303h 15m130383
5December 27, 2017 02:00December 27, 2017 10:308h 30m120257
6December 27, 2017 12:15December 27, 2017 22:3010h 15m114193
7December 21, 2017 19:00December 21, 2017 21:002h8628
8December 21, 2017 04:00December 21, 2017 08:454h 45m83296
9December 11, 2017 19:00December 12, 2017 06:3011h 30m58141
10November 23, 2017 21:00November 24, 2017 04:307h 30m54333

Outage episodes by size in 2017: 6 reached 100+ customers, 0 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 Midland County reported on EIA Form 861 for 2017, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Oncor Electric Delivery Company LLC20173.4 hrs1.692.4 hrs1.49
Southwestern Public Service Co20173.9 hrs1.251.7 hrs1.05

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 2017; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 164,550 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. Midland County has data for 2015, 2017–2025.

Cite this report

MassOutage (massoutage.com), Midland County, TX annual power outage report, 2017, 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/2017/texas/midland-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON