PowerOutageHistory
CReliability Grade

Oneida CountyPower Outage History

20172025 · Idaho

Average — typical outage frequency and duration nationally.

How grades are calculated

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Reliability Rank
Higher percentile = more reliable
Nationwide54th pct
In Idaho44th pct
Total events
348
Avg duration
2.6 hrs
Longest outage
21 hrs
Customers served
3,979
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Dec 2, 202515 hrs2,914 (73%)Unnamed event
Jun 15, 2021<1 hr2,677 (67%)Unnamed event
Apr 28, 2021<1 hr2,427 (61%)Unnamed event
Apr 28, 2021<1 hr2,426 (61%)Unnamed event
Apr 28, 20211 hrs2,426 (61%)Unnamed event

Over the 9 years from 2017 to 2025, Oneida County recorded 348 distinct power outage events, averaging 2.6 hours per event.

The single worst outage on record in Oneida County started December 2, 2025, lasting 15 hours and leaving up to 2,914 customers without power (73% of the county) at its peak.

May has historically been the worst month for outages in Oneida County, with 41 events recorded during that month across the dataset.

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

Sized for Oneida County's outage profile

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Outage-prep kit

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Similar counties in Idaho

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

CountyGradeNational percentile
Caribou CountyC54th
Kootenai CountyC53rd
Bingham CountyC56th
Fremont CountyC57th
Owyhee CountyC57th

Most reliable counties in Idaho

The top 3 counties in Idaho by reliability grade and percentile.

CountyGradeNational percentile
Minidoka CountyA95th
Camas CountyA92nd
Ada CountyA92nd

Least reliable counties in Idaho

The bottom 3 counties in Idaho by reliability grade and percentile.

CountyGradeNational percentile
Clearwater CountyF3rd
Bonner CountyF10th
Boise CountyF14th

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.

CountyStateGradeNational percentile
Clay CountyWest VirginiaF0th
Lincoln CountyWest VirginiaF0th
Cameron ParishLouisianaF0th

FAQ

How often does power go out in Oneida County?

Between 2017 and 2025, Oneida County recorded 348 outage events, averaging 2.6 hours each.

What is Oneida County's reliability grade?

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

What was the worst power outage in Oneida County?

The worst outage on record started December 2, 2025, lasting 15 hours and affecting up to 2,914 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.