PowerOutageHistory
B

Carter County Power Outage History

20142025 · Oklahoma

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

Total events
469
Avg duration
3.3 hrs
Longest outage
68 hrs
National percentile
63rd

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Apr 28, 202467 hrs16,751 (42%)Hail
Jun 18, 202368 hrs9,687 (24%)Thunderstorm Wind
Feb 16, 20213 hrs5,348 (13%)Winter Storm Uri
Jun 23, 20183 hrs3,595 (9%)Unnamed event
Apr 13, 20220 hrs3,408 (9%)Drought

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).

Sized for Carter 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 Carter County.

CountyGradeNational percentile
Rogers CountyB62nd
Woodward CountyB64th
Ottawa CountyB61st
McClain CountyB61st
Cimarron CountyB66th

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.

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.