massoutage

County annual report · FIPS 42101

2020 Philadelphia County, PA Power Outage Report

In 2020, customers in Philadelphia County, PA went without power for an average of 2.7 hours, a total of 2.2M customer-hours (Pennsylvania average 6.5 hours). That ranks 52nd worst of 67 Pennsylvania counties and 1986th of 3,019 nationally.

Summary data CSVJSON
Avg hrs / customer
2.7
802,812 customers
Customer-hours out
2.2M
Peak customers out
43,823
Outages ≥1,000 out
18
5 of 10,000+ · 38 total
Longest outage
83d 23h
began June 29, 2020
Rank in state
52nd/67
1986th of 3,019 US

Compared with PA, the US and 2019

Philadelphia County, PA average hours without power per customer compared with state and national averages, 2020Philadelphia County 2.7 hours, Pennsylvania average 6.5 hours, US average 8.7 hours, Philadelphia County, 2019 1.6 hoursPhiladelphia CountyPhiladelphia County2.7hPennsylvania averagePennsylvania average6.5hUS averageUS average8.7hPhiladelphia County, 2019Philadelphia County,…1.6h
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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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Philadelphia County, PA customer-hours without power by month, 2020Jan 60K, Feb 50K, Mar 67K, Apr 62K, May 35K, Jun 1.2M, Jul 133K, Aug 317K, Sep 55K, Oct 55K, Nov 69K, Dec 83K0500k1M1.5M60KJan50KFeb67KMar62KApr35KMay1.2MJun133KJul317KAug55KSep55KOct69KNov83KDec
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Customer-hours; June was the worst month.

Philadelphia County year over year

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Philadelphia County, PA: average hours without power per customer by year2015: 2.1h; 2016: 1.6h; 2017: 1.5h; 2018: 2.7h, coverage 95%; 2019: 1.6h, coverage 96%; 2020: 2.7h, coverage 98%; 2021: 1.6h, coverage 98%; 2022: 1.1h, coverage 98%; 2023: 1.1h; 2024: 1.9h; 2025: 2.3h01230%50%100%2.1h20151.6h20161.5h20172.7h20181.6h20192.7h20201.6h20211.1h20221.1h20231.9h20242.3h2025
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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 Philadelphia County, 2020

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1May 30, 2020 17:30June 13, 2020 01:0013d 7h43,8231.1M
2June 29, 2020 04:00September 21, 2020 03:0083d 23h32,597498K
3January 29, 2020 09:15March 1, 2020 11:1532d 2h18,56052K
4March 7, 2020 00:45April 6, 2020 07:1530d 6h14,41362K
5October 25, 2020 12:15November 25, 2020 08:3030d 20h11,56282K
6April 6, 2020 11:15April 12, 2020 15:306d 4h4,48916K
7October 11, 2020 12:15October 22, 2020 08:3010d 20h3,96322K
8April 12, 2020 16:30April 18, 2020 19:456d 3h2,55822K
9September 26, 2020 13:30October 11, 2020 01:3014d 12h2,25227K
10November 25, 2020 12:30December 31, 2020 00:1535d 11h2,17788K

Outage episodes by size in 2020: 27 reached 100+ customers, 18 reached 1,000+ customers, 5 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 Philadelphia 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
PECO Energy Co202010.5 hrs1.5276 min0.82
Philadelphia Authority for Industrial Development-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 98% of Pennsylvania's customers in 2020; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 802,812 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. Philadelphia County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Philadelphia County, PA 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/pennsylvania/philadelphia-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON