Carter CountyPower Outage History
What this grade means
(How grades are calculated)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.
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Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Apr 28, 2024 | 67 hrs | 16,751 (42%) | Hail |
| Jun 18, 2023 | 68 hrs | 9,687 (24%) | Thunderstorm Wind |
| Feb 16, 2021 | 3 hrs | 5,348 (13%) | Winter Storm Uri |
| Jun 23, 2018 | 3 hrs | 3,595 (9%) | Unnamed event |
| Apr 13, 2022 | <1 hr | 3,408 (9%) | Drought |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Carter County, Oklahoma that day.
Over the 12 years from 2014 to 2025, Carter County recorded 469 distinct power outage events, averaging 3.3 hours per event.
The single worst outage on record in Carter County started April 28, 2024 (Hail), lasting 67 hours and leaving up to 16,751 customers without power (42% of the county) at its peak.
May has historically been the worst month for outages in Carter County, with 60 events recorded during that month across the dataset.
Based on this history, Carter County earns a Reliability Grade of B, placing it in the 63rd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Oklahoma
Counties with the closest reliability grade and national percentile to Carter County.
| County | Grade | National percentile |
|---|---|---|
| Rogers County | B | 62nd |
| Woodward County | B | 64th |
| Ottawa County | B | 61st |
| McClain County | B | 61st |
| Cimarron County | B | 66th |
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 Carter County?
Between 2014 and 2025, Carter County recorded 469 outage events, averaging 3.3 hours each.
What is Carter County's reliability grade?
Carter County has a Reliability Grade of B, in the 63rd national percentile.
What was the worst power outage in Carter County?
The worst outage on record started April 28, 2024 (Hail), lasting 67 hours and affecting up to 16,751 customers.