massoutage

2020 Ohio Power Outage Report

In 2020, the average Ohio customer went without power for about 5.2 hours — the 27th worst of any US state that year, 1.0× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
5.2
Peak customers out
153,200
Rank (worst state)
27th
Counties affected
20

Ohio outages over the decade

Average hours without power per customer, 2020 highlighted.

2.5h20152.9h20164.1h20174.1h20185.2h20195.2h20204.2h20217.2h20226.8h20239.0h20244.0h2025

Hardest-hit Ohio counties in 2020

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

1Franklin County153,2002Cuyahoga County56,1503Hamilton County45,6944Summit County42,2225Delaware County34,1666Licking County31,3687Stark County31,0098Portage County26,0579Geauga County23,23110Erie County20,15111Jefferson County19,34112Tuscarawas County17,80813Lake County16,97914Mahoning County16,35315Allen County15,27416Clermont County14,93817Athens County14,91418Montgomery County14,72219Ottawa County14,54320Lucas County14,325

Biggest Ohio outages of 2020

CountyBeganPeak customers out
Franklin CountySeptember 15, 2020153,200
Franklin CountySeptember 9, 2020153,123
Cuyahoga CountyOctober 26, 202056,150
Cuyahoga CountyNovember 14, 202054,942
Cuyahoga CountyNovember 30, 202049,804
Hamilton CountyApril 8, 202045,694
Summit CountyNovember 15, 202042,222
Delaware CountySeptember 10, 202034,166
Delaware CountySeptember 15, 202034,126
Licking CountySeptember 15, 202031,368
Ohio by year:20252024202320222021201920182017
Other states in 2020:LAMEOKIAALNC

Part of the 2020 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.