massoutage

County annual report · FIPS 42129

2023 Westmoreland County, PA Power Outage Report

In 2023, customers in Westmoreland County, PA went without power for an average of 5.7 hours, a total of 1.1M customer-hours (Pennsylvania average 4.9 hours). That ranks 31st worst of 67 Pennsylvania counties and 1344th of 2,977 nationally.

Summary data CSVJSON
Avg hrs / customer
5.7
188,408 customers
Customer-hours out
1.1M
Peak customers out
16,234
Outages ≥1,000 out
43
2 of 10,000+ · 757 total
Longest outage
6d 1h
began October 26, 2023
Rank in state
31st/67
1344th of 2,977 US

Compared with PA, the US and 2022

Westmoreland County, PA average hours without power per customer compared with state and national averages, 2023Westmoreland County 5.7 hours, Pennsylvania average 4.9 hours, US average 7.1 hours, Westmoreland County, 2022 5.6 hoursWestmoreland CountyWestmoreland County5.7hPennsylvania averagePennsylvania average4.9hUS averageUS average7.1hWestmoreland County, 2022Westmoreland County,…5.6h
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Average hours without power per customer in 2023; last bar is this county in 2022.

Month by month

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Westmoreland County, PA customer-hours without power by month, 2023Jan 34K, Feb 19K, Mar 491K, Apr 173K, May 18K, Jun 33K, Jul 109K, Aug 71K, Sep 19K, Oct 58K, Nov 21K, Dec 21K0200k400k600k34KJan19KFeb491KMar173KApr18KMay33KJun109KJul71KAug19KSep58KOct21KNov21KDec
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Customer-hours; March was the worst month.

Westmoreland County year over year

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Westmoreland County, PA: average hours without power per customer by year2015: 3.0h; 2016: 2.7h; 2017: 3.7h; 2018: 3.6h, coverage 95%; 2019: 7.3h, coverage 96%; 2020: 3.7h, coverage 98%; 2021: 3.0h, coverage 98%; 2022: 5.6h, coverage 98%; 2023: 5.7h; 2024: 5.4h; 2025: 14.7h0510150%50%100%3.0h20152.7h20163.7h20173.6h20187.3h20193.7h20203.0h20215.6h20225.7h20235.4h202414.7h2025
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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 Pennsylvania customers tracked each year.

Biggest outages in Westmoreland County, 2023

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1April 1, 2023 06:30April 5, 2023 07:304d 1h16,234147K
2March 3, 2023 17:30March 9, 2023 09:455d 16h15,331394K
3March 25, 2023 07:15March 28, 2023 16:153d 9h7,21472K
4August 25, 2023 05:15August 27, 2023 19:302d 14h6,15244K
5July 21, 2023 02:45July 22, 2023 17:151d 14h6,13234K
6October 21, 2023 20:45October 22, 2023 15:3018h 45m5,84411K
7October 26, 2023 16:30November 1, 2023 17:306d 1h3,80821K
8January 18, 2023 01:15January 18, 2023 07:005h 45m3,3304,382
9July 1, 2023 12:15July 4, 2023 01:452d 13h2,95917K
10July 13, 2023 23:15July 16, 2023 18:152d 19h2,73323K

Outage episodes by size in 2023: 205 reached 100+ customers, 43 reached 1,000+ customers, 2 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 Westmoreland County reported on EIA Form 861 for 2023, or their most recent earlier filing. Utility-wide figures, not county-specific.

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UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Pennsylvania Electric Co20238.2 hrs2.053.8 hrs1.61
West Penn Power Company20237.0 hrs1.412.7 hrs1.03
FirstEnergy Pennsylvania Electric Co-----
REA Energy Coop Inc-----
Somerset Rural Elec Coop, Inc-----
Duquesne Light Co-----

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 Pennsylvania's customers in 2023; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 188,408 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. Westmoreland County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Westmoreland County, PA annual power outage report, 2023, 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/2023/pennsylvania/westmoreland-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON