PowerOutageHistory
Reliability Grade
C
Average
2014-2025
Oklahoma

Garfield CountyPower Outage History

20142025 · Oklahoma
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What this grade means

Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.

Takeaway
Typical outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide54th pct
In Oklahoma#25 of 77
See full Oklahoma rankings →
Total events
400
Recorded 2014–2025
Avg duration
2.9 hrs
Per outage event
Longest outage
117 hrs
Single worst event on record
Customers served
36,837
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jun 21, 20193 hrs9,410 (26%)Unnamed event
Jun 21, 2019<1 hr9,399 (26%)Unnamed event
Oct 28, 2020117 hrs8,760 (24%)Ice Storm
Oct 27, 202016 hrs7,205 (20%)Ice Storm
May 22, 202034 hrs5,747 (16%)Thunderstorm Wind

Was There an Outage on a Specific Date?

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

Over the 12 years from 2014 to 2025, Garfield County recorded 400 distinct power outage events, averaging 2.9 hours per event.

The single worst outage on record in Garfield County started June 21, 2019, lasting 3 hours and leaving up to 9,410 customers without power (26% of the county) at its peak.

June has historically been the worst month for outages in Garfield County, with 64 events recorded during that month across the dataset.

Based on this history, Garfield County earns a Reliability Grade of C, placing it in the 54th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Oklahoma

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

CountyGradeNational percentile
Nowata CountyC53rd
Okfuskee CountyC53rd
Coal CountyC54th
Choctaw CountyC51st
Major CountyC51st

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 Garfield County?

Between 2014 and 2025, Garfield County recorded 400 outage events, averaging 2.9 hours each.

What is Garfield County's reliability grade?

Garfield County has a Reliability Grade of C, in the 54th national percentile.

What was the worst power outage in Garfield County?

The worst outage on record started June 21, 2019, lasting 3 hours and affecting up to 9,410 customers.

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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.