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2021 Ohio Power Outage Report

In 2021, the average Ohio customer went without power for about 4.2 hours — the 26th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
4.2
Peak customers out
68,713
Rank (worst state)
26th
Counties affected
20

Ohio outages over the decade

Average hours without power per customer, 2021 highlighted.

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

Hardest-hit Ohio counties in 2021

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

1Cuyahoga County68,7132Franklin County39,7963Summit County24,0694Ottawa County23,3515Fairfield County21,8436Lucas County21,3127Hamilton County20,5788Athens County17,6139Lawrence County17,25710Lorain County16,21911Warren County15,89512Clermont County15,70813Mahoning County14,17214Ashtabula County14,15415Erie County12,73216Stark County12,67217Marion County12,09718Lake County11,12219Licking County10,09220Clark County9,468

Biggest Ohio outages of 2021

CountyBeganPeak customers out
Cuyahoga CountyJuly 11, 202168,713
Franklin CountyJuly 21, 202139,796
Cuyahoga CountyDecember 25, 202124,812
Summit CountyMarch 25, 202124,069
Ottawa CountyDecember 14, 202123,351
Fairfield CountyJuly 15, 202121,843
Cuyahoga CountyMay 19, 202121,837
Lucas CountySeptember 14, 202121,312
Hamilton CountyOctober 19, 202120,578
Cuyahoga CountyDecember 11, 202119,168
Ohio by year:20252024202320222020201920182017
Other states in 2021:LAMIWVTXORMS

Part of the 2021 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.