PowerOutageHistory
Reliability Grade
A
Top tier
2018-2025
Oklahoma

Kay CountyPower Outage History

20182025 · Oklahoma
Share

What this grade means

Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.

Takeaway
Low outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide95th pct
In Oklahoma#2 of 77
See full Oklahoma rankings →
Total events
110
Recorded 2018–2025
Avg duration
2.7 hrs
Per outage event
Longest outage
43 hrs
Single worst event on record
Customers served
37,106
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jun 18, 202514 hrs1,846 (5%)Thunderstorm Wind
Jun 5, 20244 hrs1,750 (5%)Unnamed event
Oct 12, 20243 hrs1,741 (5%)Unnamed event
Jun 18, 20233 hrs1,734 (5%)Drought
Jul 29, 20205 hrs1,678 (5%)Unnamed event

Was There an Outage on a Specific Date?

Pick a date to see whether a power outage was recorded for Kay County, Oklahoma that day.

Over the 8 years from 2018 to 2025, Kay County recorded 110 distinct power outage events, averaging 2.7 hours per event.

The single worst outage on record in Kay County started June 18, 2025 (Thunderstorm Wind), lasting 14 hours and leaving up to 1,846 customers without power (5% of the county) at its peak.

May has historically been the worst month for outages in Kay County, with 16 events recorded during that month across the dataset.

Based on this history, Kay County earns a Reliability Grade of A, placing it in the 95th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Oklahoma

Counties with the closest reliability grade and national percentile to Kay County.

CountyGradeNational percentile
Texas CountyA96th
Greer CountyA89th
Adair CountyA89th
Cherokee CountyA83rd
Jackson CountyA82nd

Most reliable counties nationally

The top 3 counties nationally by reliability grade and percentile.

CountyStateGradeNational percentile
Clay CountySouth DakotaA100th
Clearwater CountyMinnesotaA99th
Limestone CountyAlabamaA99th

Least reliable counties nationally

The bottom 3 counties nationally by reliability grade and percentile.

FAQ

How often does power go out in Kay County?

Between 2018 and 2025, Kay County recorded 110 outage events, averaging 2.7 hours each.

What is Kay County's reliability grade?

Kay County has a Reliability Grade of A, in the 95th national percentile.

What was the worst power outage in Kay County?

The worst outage on record started June 18, 2025 (Thunderstorm Wind), lasting 14 hours and affecting up to 1,846 customers.

Share
Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.