PowerOutageHistory
B

Ottawa County Power Outage History

20142025 · Oklahoma

Better than average — fewer or shorter outages than most counties. How grades are calculated

Total events
558
Avg duration
1.9 hrs
Longest outage
96 hrs
National percentile
61st

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Mar 9, 20162 hrs8,796 (45%)Unnamed event
Aug 17, 202446 hrs5,100 (26%)Thunderstorm Wind
May 31, 20180 hrs4,544 (23%)Unnamed event
May 12, 20170 hrs3,008 (15%)Flood
Oct 31, 202415 hrs2,684 (14%)Drought

Over the 12 years from 2014 to 2025, Ottawa County recorded 558 distinct power outage events, averaging 1.9 hours per event.

The single worst outage on record in Ottawa County started March 9, 2016, lasting 2 hours and leaving up to 8,796 customers without power (45% of the county) at its peak.

June has historically been the worst month for outages in Ottawa County, with 86 events recorded during that month across the dataset.

Based on this history, Ottawa County earns a Reliability Grade of B, placing it in the 61st percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Ottawa County's outage profile

See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.

Outage-prep kit

See our outage-prep guides.

Similar counties in Oklahoma

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

CountyGradeNational percentile
McClain CountyB61st
Rogers CountyB62nd
Beckham CountyC60th
Carter CountyB63rd
Alfalfa CountyC59th

FAQ

How often does power go out in Ottawa County?

Between 2014 and 2025, Ottawa County recorded 558 outage events, averaging 1.9 hours each.

What is Ottawa County's reliability grade?

Ottawa County has a Reliability Grade of B, in the 61st national percentile.

What was the worst power outage in Ottawa County?

The worst outage on record started March 9, 2016, lasting 2 hours and affecting up to 8,796 customers.

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.