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2025 Pennsylvania Power Outage Report

In 2025, the average Pennsylvania customer went without power for about 9.8 hours — the 4th worst of any US state that year, 1.9× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
9.8
Peak customers out
270,977
Rank (worst state)
4th
Counties affected
20

Pennsylvania outages over the decade

Average hours without power per customer, 2025 highlighted.

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

Hardest-hit Pennsylvania counties in 2025

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

1Allegheny County270,9772Bucks County74,9883Delaware County74,8154Montgomery County70,5265Westmoreland County67,1246Chester County50,2687Washington County37,5488Centre County36,8509Indiana County31,21410Beaver County30,55111Cambria County30,09012Philadelphia County20,79813Armstrong County20,35214Clearfield County18,31715Berks County16,47616Fayette County16,43817Butler County15,74718Wayne County14,71619York County13,49120Lancaster County13,222

Biggest Pennsylvania outages of 2025

CountyBeganPeak customers out
Allegheny CountyApril 29, 2025270,977
Bucks CountyJune 11, 202574,988
Delaware CountyJune 17, 202574,815
Montgomery CountyJune 17, 202570,526
Westmoreland CountyApril 29, 202567,124
Chester CountyJune 15, 202550,268
Delaware CountyFebruary 9, 202549,986
Montgomery CountyJanuary 27, 202544,713
Washington CountyApril 29, 202537,548
Centre CountyApril 29, 202536,850
Pennsylvania by year:20242023202220212020201920182017
Other states in 2025:WVMIAKNCMOVA

Part of the 2025 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.