Allegheny County, Pennsylvania Power Outages, 2015 to 2023

Allegheny County, Pennsylvania had 22 major outages from 2015 to 2023

Below middle outage time among US counties

Residents here averaged 0.49 times the US outage time per person and 0.67 times the Pennsylvania rate. It ranks 50 of 65 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

2.4major outages per year

8 of 9years with a major outage

105 hrslongest major outage

Feb, Aughardest months

February and August made up 31% of this county's outage time. The largest outage on record began Feb 24, 2019, reached 58,700 customers, and left at least 200 customers out for 105.2 hours.

Outage time per resident, rated Pennsylvania counties

MostLeast

Outage impact by year

Customer-hours without power. 1,000 customers out for 2 hours is 2,000 customer-hours.

2015'152016'162017'172018'182019'192020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	564,139	366	1
2016	543,975	297	0
2017	1,029,360	247	3
2018	1,945,406	479	2
2019	3,057,092	406	1
2020	1,759,678	359	5
2021	1,868,658	353	3
2022	956,126	254	3
2023	1,618,871	405	4

When outages hit

Share of this county's customer-hours by month.

10%

15%

20%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Feb 24, 2019	105.2	58,700	1,876,202
Nov 15, 2018	82.2	29,490	622,709
Apr 8, 2020	59.8	29,006	465,625
Aug 12, 2021	47.8	31,137	359,578
Aug 27, 2020	63.0	31,345	350,670

Hours measure how long at least 200 customers in the county were out. Most customers get power back sooner.

Size your backup battery

Start with what you would keep running. Wattages are typical averages, so check your own appliances.

Phones, Wi-Fi, lights, about 60 WRefrigerator, about 60 WChest freezer, about 40 WGas furnace fan, about 160 W

Hours to cover: 24

1,700 Whof battery capacity, allowing for about 15% conversion loss

If anyone relies on medical equipment, plan that with their provider. Run portable fuel generators outdoors only, at least 20 feet from doors, windows and vents. See the outage checklist.

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How to read this

A major outage lasted at least 8 hours and reached customers equal to at least 1% of county residents.
Records cover outages of at least 200 customers in a county. They do not show what happened on your street.
Utilities that do not report can make a county look better than it is. Data ends in 2023. Read the full method.