massoutage

2020 Oklahoma Power Outage Report

In 2020, the average Oklahoma customer went without power for about 27.7 hours — the 3rd worst of any US state that year, 3.9× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
27.7
Peak customers out
193,316
Rank (worst state)
3rd
Counties affected
20

Oklahoma outages over the decade

Average hours without power per customer, 2020 highlighted.

5.1h20154.1h20163.2h20172.7h20185.0h201927.7h20203.2h20213.5h202214.1h20234.8h20244.9h2025

Hardest-hit Oklahoma counties in 2020

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

1Oklahoma County193,3162Canadian County38,1733Tulsa County34,0754Cleveland County33,7455Payne County23,1646Grady County17,8337Custer County15,2458Pottawatomie County15,2429Caddo County14,27610Logan County12,59111Lincoln County11,59312Le Flore County9,36313Garfield County8,76014Sequoyah County8,52015Okmulgee County8,15916Wagoner County7,31917Comanche County5,82918Woodward County5,62919Beckham County5,62220Muskogee County5,607

Biggest Oklahoma outages of 2020

CountyBeganPeak customers out
Oklahoma CountyOctober 26, 2020193,316
Canadian CountyOctober 26, 202038,173
Tulsa CountyJuly 11, 202034,075
Cleveland CountyOctober 26, 202033,745
Cleveland CountyJuly 12, 202026,619
Tulsa CountyJune 13, 202024,639
Oklahoma CountyJuly 12, 202023,866
Payne CountyOctober 26, 202023,164
Oklahoma CountyNovember 14, 202021,182
Grady CountyOctober 24, 202017,833
Oklahoma by year:20252024202320222021201920182017
Other states in 2020:LAMEIAALNCMS

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.