massoutage

2015 Pennsylvania Power Outage Report

In 2015, the average Pennsylvania customer went without power for about 3.2 hours — the 10th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
3.2
Peak customers out
107,229
Rank (worst state)
10th
Counties affected
20

Pennsylvania outages over the decade

Average hours without power per customer, 2015 highlighted.

3.2h20152.5h20163.2h20178.3h20184.7h20196.5h20204.1h20213.7h20224.9h20237.0h20249.8h2025

Hardest-hit Pennsylvania counties in 2015

By peak customers out during the year's worst event.

1Delaware County107,2292Chester County75,7183Philadelphia County43,6294Columbia County21,2745Washington County17,1306Berks County16,4917Schuylkill County15,6768Montgomery County14,9399Allegheny County13,38510Lancaster County12,71611Erie County12,67312Butler County12,52913Monroe County12,27614Warren County12,23615Bucks County10,71416Westmoreland County9,46917Lehigh County9,41118Northampton County9,28019Lackawanna County8,31020York County7,942

Biggest Pennsylvania outages of 2015

CountyBeganPeak customers out
Delaware CountyJune 23, 2015107,229
Chester CountyJune 23, 201575,718
Philadelphia CountyJune 22, 201543,629
Columbia CountyOctober 28, 201521,274
Philadelphia CountySeptember 14, 201518,759
Philadelphia CountyJune 17, 201518,585
Washington CountyApril 9, 201517,130
Berks CountyJune 12, 201516,491
Schuylkill CountyOctober 28, 201515,676
Montgomery CountyJune 23, 201514,939
Pennsylvania by year:20252024202320222021202020192018
Other states in 2015:WVWANCMIRILA

Part of the 2015 US Power Outage Report. Source: DOE/ORNL EAGLE-I. “Avg hours per customer” is a SAIDI-like measure (outage customer-minutes ÷ tracked customers); coverage varies by year.