Ottawa CountyPower Outage History
What this grade means
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 9, 2016 | 2 hrs | 8,796 (45%) | Unnamed event |
| Aug 17, 2024 | 46 hrs | 5,100 (26%) | Thunderstorm Wind |
| May 31, 2018 | <1 hr | 4,544 (23%) | Unnamed event |
| May 12, 2017 | <1 hr | 3,008 (15%) | Flood |
| Oct 31, 2024 | 15 hrs | 2,684 (14%) | Drought |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Ottawa County, Oklahoma that day.
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).
Similar counties in Oklahoma
Counties with the closest reliability grade and national percentile to Ottawa County.
| County | Grade | National percentile |
|---|---|---|
| McClain County | B | 61st |
| Rogers County | B | 62nd |
| Beckham County | C | 60th |
| Carter County | B | 63rd |
| Alfalfa County | C | 59th |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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.