massoutage

2021 Pennsylvania Power Outage Report

In 2021, the average Pennsylvania customer went without power for about 4.1 hours, the 27th worst of 51 states (US average 8.4 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
4.1
vs prior year
▼ 36%
vs 2020
Customer-hours out
25.4M
Peak customers out
122,450
across the state at once
EAGLE-I coverage
98%
of PA customers
Counties reporting
67

Pennsylvania year over year

Pennsylvania: average hours without power per customer by year2015: 3.2h; 2016: 2.5h; 2017: 3.2h; 2018: 8.3h, coverage 95%; 2019: 4.7h, coverage 96%; 2020: 6.5h, coverage 98%; 2021: 4.1h, coverage 98%; 2022: 3.7h, coverage 98%; 2023: 4.9h; 2024: 7.0h; 2025: 9.8h02.557.5100%50%100%3.2h20152.5h20163.2h20178.3h20184.7h20196.5h20204.1h20213.7h20224.9h20237.0h20249.8h2025
Use the arrow keys to read values.
Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Month by month, 2021

Customer-hours without power across Pennsylvania; July was the worst.

CSVJSON
Pennsylvania customer-hours without power by month, 2021Jan 723K, Feb 553K, Mar 2.1M, Apr 978K, May 1.6M, Jun 2.5M, Jul 5.0M, Aug 3.0M, Sep 4.9M, Oct 1.4M, Nov 832K, Dec 1.7M02M4M6M723KJan553KFeb2.1MMar978KApr1.6MMay2.5MJun5.0MJul3.0MAug4.9MSep1.4MOct832KNov1.7MDec
Use the arrow keys to read values.

All 67 Pennsylvania counties, 2021

Ranked by average hours without power per customer. Each county links to its annual report.

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Sullivan County36.0119K3,2903,272186
2Forest County33.9117K3,4472,043321
3Wyoming County22.3277K12,4224,187383
4Susquehanna County18.9340K18,03111,852488
5Wayne County14.3368K25,7647,652754
6Cameron County13.133K2,5191,004111
7Columbia County12.9452K35,1257,295649
8Montgomery County12.82.9M224,08049,121288
9Pike County10.8210K19,4148,379656
10Indiana County10.4380K36,45211,189741
11Perry County10.3217K21,1283,710592
12Bradford County9.3292K31,4864,725522
13Crawford County8.4327K38,9526,792665
14Clearfield County8.4324K38,76211,601574
15Venango County8.3217K26,0754,607607
16Elk County7.7130K16,9814,733229
17Juniata County7.786K11,1622,065333
18Adams County7.6259K34,10214,581642
19Bucks County7.41.1M152,76714,566343
20Greene County7.3136K18,5441,641397
21Clarion County7.3125K17,1782,410494
22Cambria County7.3484K66,66611,072731
23Schuylkill County7.0521K74,36214,378760
24Jefferson County6.9138K20,0706,833449
25Monroe County6.6565K85,90014,383869
26Potter County6.460K9,3521,622175
27Armstrong County6.0190K31,3343,904597
28Bedford County6.0163K26,9993,503386
29Warren County6.0135K22,4136,573521
30Tioga County6.0133K22,3873,750399
31McKean County5.7136K23,9462,808449
32Carbon County5.5178K32,2063,449591
33Washington County5.2585K113,19613,027656
34Blair County5.1354K69,5989,232634
35Mifflin County5.0132K26,4577,545503
36Fulton County4.935K7,2672,554200
37York County4.8937K195,19127,662648
38Montour County4.757K12,1812,338264
39Berks County4.61.0M219,08713,875642
40Lycoming County4.4277K62,8844,964708
41Clinton County4.386K20,0551,823416
42Butler County4.2379K91,1735,692761
43Somerset County4.1139K34,0254,140616
44Mercer County3.9188K48,4026,522691
45Erie County3.7610K164,70020,444766
46Chester County3.5941K267,25711,807371
47Lebanon County3.4237K69,52525,280709
48Northumberland County3.3151K46,2615,296661
49Lawrence County3.2115K36,06214,055600
50Fayette County3.1201K66,0123,678684
51Westmoreland County3.0574K188,4089,474734
52Allegheny County3.02.0M667,16631,137713
53Cumberland County2.9412K142,5767,598944
54Centre County2.8269K96,4284,693669
55Huntingdon County2.757K20,8892,140356
56Luzerne County2.7440K164,5046,885868
57Snyder County2.655K21,3594,810385
58Franklin County2.5194K76,8067,987733
59Northampton County2.5405K161,8488,176772
60Lancaster County2.3361K156,8926,8111,026
61Lackawanna County2.3274K119,9799,230966
62Beaver County2.1162K77,6183,989615
63Dauphin County2.0356K176,75713,499872
64Lehigh County1.9405K212,00811,6631,004
65Delaware County1.8495K277,1307,145455
66Philadelphia County1.61.3M802,81227,93614
67Union County1.338K28,7013,505262

Biggest Pennsylvania outages of 2021

Up to 25 county outage episodes with the most customers out at once.

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Montgomery County, PAJuly 17, 2021 12:00August 1, 2021 01:0014d 13h49,121835K
2Montgomery County, PASeptember 1, 2021 02:00September 26, 2021 01:4524d 23h44,2331.3M
3Allegheny County, PAAugust 10, 2021 11:15August 17, 2021 02:306d 15h31,137392K
4Philadelphia County, PAJanuary 24, 2021 23:45August 8, 2021 19:30195d 19h27,936834K
5York County, PAJanuary 12, 2021 14:45January 13, 2021 02:3011h 45m27,66234K
6Allegheny County, PAJuly 4, 2021 20:30July 10, 2021 20:306d27,219286K
7Lebanon County, PAMay 26, 2021 11:30May 28, 2021 04:151d 16h25,28060K
8Allegheny County, PAJune 13, 2021 21:45June 18, 2021 05:304d 7h25,092312K
9Erie County, PAMay 20, 2021 23:00May 22, 2021 04:451d 5h20,44448K
10Erie County, PAJune 14, 2021 11:30June 14, 2021 16:455h 15m16,49431K
11Adams County, PAJune 21, 2021 14:30June 23, 2021 23:152d 8h14,581141K
12Bucks County, PASeptember 1, 2021 05:30September 7, 2021 05:456d14,566269K
13Erie County, PAAugust 4, 2021 12:00August 4, 2021 21:309h 30m14,56212K
14Monroe County, PAJuly 6, 2021 21:00July 11, 2021 02:004d 5h14,383156K
15Schuylkill County, PAFebruary 6, 2021 14:15February 6, 2021 23:459h 30m14,3785,021
16Lawrence County, PAAugust 22, 2021 11:00August 22, 2021 16:005h14,0558,594
17Berks County, PAJune 11, 2021 20:30June 17, 2021 08:005d 11h13,87531K
18Schuylkill County, PASeptember 14, 2021 00:30September 16, 2021 22:152d 21h13,723206K
19Dauphin County, PAAugust 10, 2021 13:15August 13, 2021 08:452d 19h13,49945K
20York County, PAJune 20, 2021 18:30June 24, 2021 04:453d 10h13,08374K
21Washington County, PAAugust 9, 2021 20:30August 15, 2021 17:305d 21h13,027166K
22Susquehanna County, PAMarch 17, 2021 11:45March 17, 2021 15:454h11,85227K
23Chester County, PASeptember 1, 2021 10:45September 19, 2021 15:3018d 4h11,807261K
24Berks County, PASeptember 1, 2021 08:30September 7, 2021 06:305d 22h11,705249K
25Lehigh County, PASeptember 1, 2021 09:00September 5, 2021 17:004d 8h11,66387K
EAGLE-I tracked about 98% of Pennsylvania's electricity customers in 2021; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Other states in 2021:LAMIWVORTXMSKYNC

Part of the 2021 US Power Outage Report.

Data from DOE EAGLE-I, every source we read.