massoutage

2021 Oklahoma Power Outage Report

In 2021, the average Oklahoma customer went without power for about 3.2 hours — the 32nd worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
3.2
Peak customers out
74,442
Rank (worst state)
32nd
Counties affected
20

Oklahoma outages over the decade

Average hours without power per customer, 2021 highlighted.

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

Hardest-hit Oklahoma counties in 2021

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

1Oklahoma County74,4422Tulsa County32,5063Cleveland County23,8084Grady County10,2045Pottawatomie County8,1516Comanche County7,4157Payne County7,1738Canadian County7,0489Logan County6,43810McCurtain County6,28711Custer County5,68412Muskogee County5,59813Mayes County5,46914Le Flore County5,40615Carter County5,34816Delaware County5,07317Caddo County4,95818Beckham County4,63319Creek County4,52120McIntosh County4,473

Biggest Oklahoma outages of 2021

CountyBeganPeak customers out
Oklahoma CountyFebruary 14, 202174,442
Tulsa CountyFebruary 13, 202132,506
Cleveland CountyFebruary 16, 202123,808
Oklahoma CountyOctober 15, 202119,664
Oklahoma CountyJanuary 1, 202119,466
Oklahoma CountyAugust 7, 202119,362
Oklahoma CountyJune 3, 202112,330
Tulsa CountyFebruary 10, 202110,276
Grady CountyOctober 8, 202110,204
Oklahoma CountyOctober 22, 20219,455
Oklahoma 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.